<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:0654ab4b-8ffe-4c2e-af12-ede2d3ab6c96,g:de5438db-e47c-4a20-8384-037382f1af6d-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.constellationenergy.com/role/CoverPage" xlink:type="simple" xlink:href="ceg-20211231.xsd#CoverPage"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_527e19c8-95dc-4079-8b98-fd89e2495543" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_d2d95120-c36c-47a7-b83f-553af22bb8c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_527e19c8-95dc-4079-8b98-fd89e2495543" xlink:to="loc_us-gaap_StatementTable_d2d95120-c36c-47a7-b83f-553af22bb8c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5d82b266-e949-4f9a-9f55-942c444706df" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_d2d95120-c36c-47a7-b83f-553af22bb8c7" xlink:to="loc_dei_LegalEntityAxis_5d82b266-e949-4f9a-9f55-942c444706df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_fa68189b-3fdc-4a71-86d9-b6fda79e5979" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_5d82b266-e949-4f9a-9f55-942c444706df" xlink:to="loc_dei_EntityDomain_fa68189b-3fdc-4a71-86d9-b6fda79e5979" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_6e5e21dd-a1dd-41b0-a941-9ce47530dda4" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fa68189b-3fdc-4a71-86d9-b6fda79e5979" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_6e5e21dd-a1dd-41b0-a941-9ce47530dda4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_d2d95120-c36c-47a7-b83f-553af22bb8c7" xlink:to="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_5c70d831-6238-477c-b51a-1b7abe57fa1f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_DocumentType_5c70d831-6238-477c-b51a-1b7abe57fa1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_297cbfa2-c6df-496f-b684-839fbc4b793c" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_AmendmentFlag_297cbfa2-c6df-496f-b684-839fbc4b793c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport_f370237b-02e5-4c5f-87c9-f10fb2b9a172" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentAnnualReport"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_DocumentAnnualReport_f370237b-02e5-4c5f-87c9-f10fb2b9a172" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_5cceb855-03cc-4aba-8a9c-9bff33140a70" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_DocumentPeriodEndDate_5cceb855-03cc-4aba-8a9c-9bff33140a70" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_1ca7c3d7-4ae5-4672-b044-79571f5704d9" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentTransitionReport"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_DocumentTransitionReport_1ca7c3d7-4ae5-4672-b044-79571f5704d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_ab8c85a1-8f09-4fb1-b515-ed3a31f4d73f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityFileNumber_ab8c85a1-8f09-4fb1-b515-ed3a31f4d73f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_d49c83ff-0c06-4b9c-9708-9ae91893dad3" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityRegistrantName_d49c83ff-0c06-4b9c-9708-9ae91893dad3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_19e7f9b7-f0ae-4025-af45-4b3e18592acc" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityTaxIdentificationNumber_19e7f9b7-f0ae-4025-af45-4b3e18592acc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_c1f90bab-0958-4879-8230-8aefb9a082f1" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityIncorporationStateCountryCode_c1f90bab-0958-4879-8230-8aefb9a082f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_2637a570-5cd1-4d43-bf65-2e28d12453fd" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityAddressAddressLine1_2637a570-5cd1-4d43-bf65-2e28d12453fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_11d3eb72-90e9-49d3-988f-c72c8c97b5ab" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityAddressCityOrTown_11d3eb72-90e9-49d3-988f-c72c8c97b5ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_0b9988c4-61e4-421a-97b5-afcaaaef3112" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityAddressStateOrProvince_0b9988c4-61e4-421a-97b5-afcaaaef3112" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_3aa3f874-92ae-4191-95a8-315e6f4e16cf" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityAddressPostalZipCode_3aa3f874-92ae-4191-95a8-315e6f4e16cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_18448589-3fa6-4eec-a5e1-2f0b735d0566" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_CityAreaCode_18448589-3fa6-4eec-a5e1-2f0b735d0566" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_f17cb610-238d-4958-87e8-032cddad664b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_LocalPhoneNumber_f17cb610-238d-4958-87e8-032cddad664b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_313a3bb9-d56c-41ea-9351-ec72aa465a4f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_Security12bTitle_313a3bb9-d56c-41ea-9351-ec72aa465a4f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_44e3d841-80e7-4e55-ad9b-f924af6ac7cf" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_TradingSymbol_44e3d841-80e7-4e55-ad9b-f924af6ac7cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_f577783b-058f-48e2-ac73-bbc18e792265" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_SecurityExchangeName_f577783b-058f-48e2-ac73-bbc18e792265" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_465f19fe-be7e-4d1b-9c9d-ae651efc4747" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityWellKnownSeasonedIssuer"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_465f19fe-be7e-4d1b-9c9d-ae651efc4747" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers_a98d117a-578d-4ada-9f98-018cf89565ab" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityVoluntaryFilers"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityVoluntaryFilers_a98d117a-578d-4ada-9f98-018cf89565ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_12035e29-3dd8-4927-a9ed-c8df8bb2bd2e" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCurrentReportingStatus"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityCurrentReportingStatus_12035e29-3dd8-4927-a9ed-c8df8bb2bd2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_e0dca19c-efe9-4c34-bd5b-21db5bf6d3e6" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityInteractiveDataCurrent_e0dca19c-efe9-4c34-bd5b-21db5bf6d3e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_d3fba48c-1153-4f7b-a849-be3544745306" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityFilerCategory"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityFilerCategory_d3fba48c-1153-4f7b-a849-be3544745306" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_fdb8b779-6435-4e2e-a05d-fbb0bce24f95" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntitySmallBusiness"/>
    <link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntitySmallBusiness_fdb8b779-6435-4e2e-a05d-fbb0bce24f95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_0e43ee3d-e49c-4341-a553-85d074384882" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityEmergingGrowthCompany_0e43ee3d-e49c-4341-a553-85d074384882" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag_53d191af-3679-4fec-8f89-137e4cfc721e" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_IcfrAuditorAttestationFlag"/>
    <link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_IcfrAuditorAttestationFlag_53d191af-3679-4fec-8f89-137e4cfc721e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_b8169069-b6de-4830-a91c-0d5c5e4bc713" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityShellCompany"/>
    <link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityShellCompany_b8169069-b6de-4830-a91c-0d5c5e4bc713" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityPublicFloat_2d48912c-d082-4e6a-93a7-8bc76e6917c1" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityPublicFloat"/>
    <link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityPublicFloat_2d48912c-d082-4e6a-93a7-8bc76e6917c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_568a5d60-aa4b-4172-a0fa-77921802f60b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_568a5d60-aa4b-4172-a0fa-77921802f60b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_df071781-fb91-4d2c-ba55-d74d2078f90d" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentFiscalYearFocus"/>
    <link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_DocumentFiscalYearFocus_df071781-fb91-4d2c-ba55-d74d2078f90d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_622c814b-19cb-4cbb-87b7-e94fbc149ec1" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:presentationArc order="31" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_DocumentFiscalPeriodFocus_622c814b-19cb-4cbb-87b7-e94fbc149ec1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_10ed04a2-14d5-469e-847d-7a4b5def01f4" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:presentationArc order="32" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_CurrentFiscalYearEndDate_10ed04a2-14d5-469e-847d-7a4b5def01f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_568aa5db-685f-4aa8-8e4b-678e7bbc2f9c" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="33" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_9c4e2396-58c6-4783-a978-5c64557cff2f" xlink:to="loc_dei_EntityCentralIndexKey_568aa5db-685f-4aa8-8e4b-678e7bbc2f9c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AuditInformation" xlink:type="simple" xlink:href="ceg-20211231.xsd#AuditInformation"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AuditInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLineItems_a1a03c85-fd17-462a-859c-05dbebe8b958" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditorLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorName_37ce29fa-6c31-40e9-adbc-8f0f5feb4aaa" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditorName"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_AuditorLineItems_a1a03c85-fd17-462a-859c-05dbebe8b958" xlink:to="loc_dei_AuditorName_37ce29fa-6c31-40e9-adbc-8f0f5feb4aaa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLocation_0f52f0a7-f939-4740-bb70-8b233fe2359f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditorLocation"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_AuditorLineItems_a1a03c85-fd17-462a-859c-05dbebe8b958" xlink:to="loc_dei_AuditorLocation_0f52f0a7-f939-4740-bb70-8b233fe2359f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorFirmId_4a2f7fb6-9417-4de6-90ea-9641bd6bd684" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditorFirmId"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_AuditorLineItems_a1a03c85-fd17-462a-859c-05dbebe8b958" xlink:to="loc_dei_AuditorFirmId_4a2f7fb6-9417-4de6-90ea-9641bd6bd684" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ConsolidatedStatementsofOperationsandComprehensiveIncome" xlink:type="simple" xlink:href="ceg-20211231.xsd#ConsolidatedStatementsofOperationsandComprehensiveIncome"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ConsolidatedStatementsofOperationsandComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract_46235d3a-6b30-4075-84ca-668113779859" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_e63b5a84-0087-43fb-b6ee-711398e200de" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_46235d3a-6b30-4075-84ca-668113779859" xlink:to="loc_us-gaap_StatementTable_e63b5a84-0087-43fb-b6ee-711398e200de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_347b3ada-62ab-46e3-bb72-8660e0f026d7" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_e63b5a84-0087-43fb-b6ee-711398e200de" xlink:to="loc_srt_ProductOrServiceAxis_347b3ada-62ab-46e3-bb72-8660e0f026d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_bed79e2d-4955-4154-8cd4-ab0292e9cb76" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_347b3ada-62ab-46e3-bb72-8660e0f026d7" xlink:to="loc_srt_ProductsAndServicesDomain_bed79e2d-4955-4154-8cd4-ab0292e9cb76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyCommoditiesAndServiceMember_8eee585f-f627-4019-8706-79a9dbcc0e47" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EnergyCommoditiesAndServiceMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_bed79e2d-4955-4154-8cd4-ab0292e9cb76" xlink:to="loc_us-gaap_EnergyCommoditiesAndServiceMember_8eee585f-f627-4019-8706-79a9dbcc0e47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_3ccc52c5-514e-4b2a-bb9c-02eeac094ac6" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_e63b5a84-0087-43fb-b6ee-711398e200de" xlink:to="loc_dei_LegalEntityAxis_3ccc52c5-514e-4b2a-bb9c-02eeac094ac6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_30165d19-8460-41ef-87de-36058c55baf3" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_3ccc52c5-514e-4b2a-bb9c-02eeac094ac6" xlink:to="loc_dei_EntityDomain_30165d19-8460-41ef-87de-36058c55baf3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_c4fb41ef-4587-4710-a8bc-4aa2dbbda289" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_30165d19-8460-41ef-87de-36058c55baf3" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_c4fb41ef-4587-4710-a8bc-4aa2dbbda289" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_e63b5a84-0087-43fb-b6ee-711398e200de" xlink:to="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_972047cc-5229-41ba-80e5-41c5aa92d427" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenuesAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_RevenuesAbstract_972047cc-5229-41ba-80e5-41c5aa92d427" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_b2ef8fbe-ef3f-474b-9bb1-76b90d452eb1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_972047cc-5229-41ba-80e5-41c5aa92d427" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_b2ef8fbe-ef3f-474b-9bb1-76b90d452eb1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_07edd7ef-4794-4f1b-bad8-82dc8064c17e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromRelatedParties"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_972047cc-5229-41ba-80e5-41c5aa92d427" xlink:to="loc_us-gaap_RevenueFromRelatedParties_07edd7ef-4794-4f1b-bad8-82dc8064c17e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_83a7de8f-98bc-416a-88a6-857bd8d09172" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_972047cc-5229-41ba-80e5-41c5aa92d427" xlink:to="loc_us-gaap_Revenues_83a7de8f-98bc-416a-88a6-857bd8d09172" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_4d7ab6bc-5d77-4c2f-a801-f6f97c74b4b8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_OperatingExpensesAbstract_4d7ab6bc-5d77-4c2f-a801-f6f97c74b4b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDirectMaterial_30e710bc-7d29-48f9-bce7-0c56c3f2180f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostDirectMaterial"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_4d7ab6bc-5d77-4c2f-a801-f6f97c74b4b8" xlink:to="loc_us-gaap_CostDirectMaterial_30e710bc-7d29-48f9-bce7-0c56c3f2180f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_4f711a7d-0665-48aa-ab73-fcfdca4d5c84" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_4d7ab6bc-5d77-4c2f-a801-f6f97c74b4b8" xlink:to="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_4f711a7d-0665-48aa-ab73-fcfdca4d5c84" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_1d6b7e6e-e011-4acb-b9d9-bf9c7ad25eb5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_4d7ab6bc-5d77-4c2f-a801-f6f97c74b4b8" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_1d6b7e6e-e011-4acb-b9d9-bf9c7ad25eb5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_fc59745a-4391-4542-93bb-c688c5c38504" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_4d7ab6bc-5d77-4c2f-a801-f6f97c74b4b8" xlink:to="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_fc59745a-4391-4542-93bb-c688c5c38504" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_0ff09b24-7614-4823-9f0b-a44cc8b4c23c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_4d7ab6bc-5d77-4c2f-a801-f6f97c74b4b8" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_0ff09b24-7614-4823-9f0b-a44cc8b4c23c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_3f2ea94a-1fa7-4a5f-aa92-d48295c6b861" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxesExcludingIncomeAndExciseTaxes"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_4d7ab6bc-5d77-4c2f-a801-f6f97c74b4b8" xlink:to="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_3f2ea94a-1fa7-4a5f-aa92-d48295c6b861" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_de5b3082-0bfb-430d-80a8-ef2f92cca999" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_4d7ab6bc-5d77-4c2f-a801-f6f97c74b4b8" xlink:to="loc_us-gaap_CostsAndExpenses_de5b3082-0bfb-430d-80a8-ef2f92cca999" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfOtherAssets_3375b0a6-dd31-43ab-b7c0-26534a40189f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnSaleOfOtherAssets"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_GainLossOnSaleOfOtherAssets_3375b0a6-dd31-43ab-b7c0-26534a40189f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_21a0c0b1-d981-45a7-b971-2cd0ce30c177" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_OperatingIncomeLoss_21a0c0b1-d981-45a7-b971-2cd0ce30c177" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_bd3bc422-a913-4422-a065-3be60c6ec554" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_bd3bc422-a913-4422-a065-3be60c6ec554" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_92a3261d-b7db-473c-b416-5d4ad2db4b49" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpense"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_bd3bc422-a913-4422-a065-3be60c6ec554" xlink:to="loc_us-gaap_InterestExpense_92a3261d-b7db-473c-b416-5d4ad2db4b49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseRelatedParty_ea8a7ccf-e443-40a7-955b-b263db769f8e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpenseRelatedParty"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_bd3bc422-a913-4422-a065-3be60c6ec554" xlink:to="loc_us-gaap_InterestExpenseRelatedParty_ea8a7ccf-e443-40a7-955b-b263db769f8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_4b3f931a-ce09-4b8c-9976-23fabd8ca832" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_bd3bc422-a913-4422-a065-3be60c6ec554" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_4b3f931a-ce09-4b8c-9976-23fabd8ca832" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_45e77305-80ee-4dd0-bba0-2e1217cdcaf0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_bd3bc422-a913-4422-a065-3be60c6ec554" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_45e77305-80ee-4dd0-bba0-2e1217cdcaf0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_9f894362-3ba3-4771-af28-4477b3d067db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_9f894362-3ba3-4771-af28-4477b3d067db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_b5ce9bfb-130f-44a9-98bd-32b0333440fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_b5ce9bfb-130f-44a9-98bd-32b0333440fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_a119279c-83cc-4b3c-9258-f9f092dfe750" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_a119279c-83cc-4b3c-9258-f9f092dfe750" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_039101f7-9a86-428e-980c-1081fa72266a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_ProfitLoss_039101f7-9a86-428e-980c-1081fa72266a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_a3766208-460a-401b-b555-5cfd31c643aa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_a3766208-460a-401b-b555-5cfd31c643aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_0b70737e-de47-4a16-95ad-73252855dbf8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_NetIncomeLoss_0b70737e-de47-4a16-95ad-73252855dbf8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_675bd955-27eb-4ca8-b62b-57f560c63414" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_675bd955-27eb-4ca8-b62b-57f560c63414" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_238eb5b5-1572-413c-8fbd-4bcfebaffa7b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_675bd955-27eb-4ca8-b62b-57f560c63414" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_238eb5b5-1572-413c-8fbd-4bcfebaffa7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OtherComprehensiveIncomeUnrealizedIncomeLossOnEquityInvestmentsArisingDuringPeriodNetOfTax_ae2e6b7e-e118-41f1-aa88-d204f66b91b2" xlink:href="ceg-20211231.xsd#ceg_OtherComprehensiveIncomeUnrealizedIncomeLossOnEquityInvestmentsArisingDuringPeriodNetOfTax"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_675bd955-27eb-4ca8-b62b-57f560c63414" xlink:to="loc_ceg_OtherComprehensiveIncomeUnrealizedIncomeLossOnEquityInvestmentsArisingDuringPeriodNetOfTax_ae2e6b7e-e118-41f1-aa88-d204f66b91b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_1bec0fd0-60fd-4d6d-ae38-d09ec0ffd8bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_675bd955-27eb-4ca8-b62b-57f560c63414" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_1bec0fd0-60fd-4d6d-ae38-d09ec0ffd8bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_989ab337-4d7b-46d2-9467-9b482722bdee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_675bd955-27eb-4ca8-b62b-57f560c63414" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_989ab337-4d7b-46d2-9467-9b482722bdee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_2aba5e00-41ad-4b11-b01c-8c051ca79498" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_2aba5e00-41ad-4b11-b01c-8c051ca79498" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_4e093d0f-c579-4e64-a3e0-8a7607394da5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_4e093d0f-c579-4e64-a3e0-8a7607394da5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_5d6d15f2-aeea-4aba-9df7-22390914b871" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_72a0cf71-01c4-46ac-8a82-c5fd5e10f1dc" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_5d6d15f2-aeea-4aba-9df7-22390914b871" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="ceg-20211231.xsd#ConsolidatedStatementsofCashFlows"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_a36dcf65-4e7d-4f9f-802e-beabf8910b5d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_f5519674-de97-49c4-9e48-39ce6128b684" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_a36dcf65-4e7d-4f9f-802e-beabf8910b5d" xlink:to="loc_us-gaap_StatementTable_f5519674-de97-49c4-9e48-39ce6128b684" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_3023387f-3964-4f98-9300-fb4779156fac" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_f5519674-de97-49c4-9e48-39ce6128b684" xlink:to="loc_dei_LegalEntityAxis_3023387f-3964-4f98-9300-fb4779156fac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ae782a22-3d6e-43a9-a5a5-d6a8b2394504" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_3023387f-3964-4f98-9300-fb4779156fac" xlink:to="loc_dei_EntityDomain_ae782a22-3d6e-43a9-a5a5-d6a8b2394504" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_dd70faa9-9cc8-4b8a-ad9d-2684810ad818" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ae782a22-3d6e-43a9-a5a5-d6a8b2394504" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_dd70faa9-9cc8-4b8a-ad9d-2684810ad818" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_f05ad9da-d209-4e4f-9265-1066c1b36771" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_f5519674-de97-49c4-9e48-39ce6128b684" xlink:to="loc_us-gaap_StatementLineItems_f05ad9da-d209-4e4f-9265-1066c1b36771" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_03d8e231-712a-413b-b7f7-ab69c3504212" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f05ad9da-d209-4e4f-9265-1066c1b36771" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_03d8e231-712a-413b-b7f7-ab69c3504212" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_b5d23ba0-8a7c-41e2-b56f-b07df98c8e80" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_03d8e231-712a-413b-b7f7-ab69c3504212" xlink:to="loc_us-gaap_ProfitLoss_b5d23ba0-8a7c-41e2-b56f-b07df98c8e80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_fcae3549-8c98-4b74-a833-db1e301d2e28" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_03d8e231-712a-413b-b7f7-ab69c3504212" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_fcae3549-8c98-4b74-a833-db1e301d2e28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_06acf8ec-953d-4bc6-abeb-5d21f0eb1b4a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_fcae3549-8c98-4b74-a833-db1e301d2e28" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_06acf8ec-953d-4bc6-abeb-5d21f0eb1b4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_104967ae-600f-432e-8075-7072cd962ae2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_fcae3549-8c98-4b74-a833-db1e301d2e28" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_104967ae-600f-432e-8075-7072cd962ae2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_46a77a82-6fe1-4d76-9da5-edce5394258a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_fcae3549-8c98-4b74-a833-db1e301d2e28" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_46a77a82-6fe1-4d76-9da5-edce5394258a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_c503a472-9f66-4a18-abff-db991e47c5bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_fcae3549-8c98-4b74-a833-db1e301d2e28" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_c503a472-9f66-4a18-abff-db991e47c5bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_b72b716a-d0df-4db5-97f1-213f272108c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_fcae3549-8c98-4b74-a833-db1e301d2e28" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_b72b716a-d0df-4db5-97f1-213f272108c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments_18d5d600-4358-4ae5-93f9-ed651a9735ab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnInvestments"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_fcae3549-8c98-4b74-a833-db1e301d2e28" xlink:to="loc_us-gaap_GainLossOnInvestments_18d5d600-4358-4ae5-93f9-ed651a9735ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_c793367b-8d84-4536-836c-6cac0c828765" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_fcae3549-8c98-4b74-a833-db1e301d2e28" xlink:to="loc_us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_c793367b-8d84-4536-836c-6cac0c828765" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_28f9d040-3ce7-406f-a65a-b7f300fa6f44" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_fcae3549-8c98-4b74-a833-db1e301d2e28" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_28f9d040-3ce7-406f-a65a-b7f300fa6f44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_750e797e-49ab-4b13-a2b9-411a6282533b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_03d8e231-712a-413b-b7f7-ab69c3504212" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_750e797e-49ab-4b13-a2b9-411a6282533b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_05666437-e763-49bf-9640-94a2249fb4dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_750e797e-49ab-4b13-a2b9-411a6282533b" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_05666437-e763-49bf-9640-94a2249fb4dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ChangeinReceivablesFromPayablesToAffiliatesNet_9ca6729a-1b90-46b4-a21f-04ddc3cc6086" xlink:href="ceg-20211231.xsd#ceg_ChangeinReceivablesFromPayablesToAffiliatesNet"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_750e797e-49ab-4b13-a2b9-411a6282533b" xlink:to="loc_ceg_ChangeinReceivablesFromPayablesToAffiliatesNet_9ca6729a-1b90-46b4-a21f-04ddc3cc6086" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_7b41b533-ce8e-4513-b477-64de47271d08" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_750e797e-49ab-4b13-a2b9-411a6282533b" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_7b41b533-ce8e-4513-b477-64de47271d08" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_c7940f68-1b8d-4ac3-8502-3a2a853288bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_750e797e-49ab-4b13-a2b9-411a6282533b" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_c7940f68-1b8d-4ac3-8502-3a2a853288bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ChangesInOptionPremiumsCollectedReceived_30be68a8-e26c-4150-8e78-313d21d941fb" xlink:href="ceg-20211231.xsd#ceg_ChangesInOptionPremiumsCollectedReceived"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_750e797e-49ab-4b13-a2b9-411a6282533b" xlink:to="loc_ceg_ChangesInOptionPremiumsCollectedReceived_30be68a8-e26c-4150-8e78-313d21d941fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseCashCollateralFromCounterparties_4f9e83cb-ae79-4f58-9319-e3bd68a1f43b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseCashCollateralFromCounterparties"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_750e797e-49ab-4b13-a2b9-411a6282533b" xlink:to="loc_us-gaap_IncreaseDecreaseCashCollateralFromCounterparties_4f9e83cb-ae79-4f58-9319-e3bd68a1f43b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_7e10c29e-b96d-4652-8553-5162d8ffd917" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_750e797e-49ab-4b13-a2b9-411a6282533b" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_7e10c29e-b96d-4652-8553-5162d8ffd917" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_2575d147-6c2f-4901-ae60-0b25d1931678" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributions"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_750e797e-49ab-4b13-a2b9-411a6282533b" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_2575d147-6c2f-4901-ae60-0b25d1931678" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_06905ded-b416-4333-80b1-a3f0493c32d5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_750e797e-49ab-4b13-a2b9-411a6282533b" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_06905ded-b416-4333-80b1-a3f0493c32d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a8f965a-da67-48cc-9553-71b70247c2b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_03d8e231-712a-413b-b7f7-ab69c3504212" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3a8f965a-da67-48cc-9553-71b70247c2b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_d7b708aa-7c89-43b1-865c-1888bd2057be" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f05ad9da-d209-4e4f-9265-1066c1b36771" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_d7b708aa-7c89-43b1-865c-1888bd2057be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_50898139-b3e5-401a-9681-bbfa417d9c05" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_d7b708aa-7c89-43b1-865c-1888bd2057be" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_50898139-b3e5-401a-9681-bbfa417d9c05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_682f62c9-b6eb-49bb-a3b2-ae5279a635fd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_d7b708aa-7c89-43b1-865c-1888bd2057be" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_682f62c9-b6eb-49bb-a3b2-ae5279a635fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireOtherInvestments_16fe8f7b-d35b-4674-9500-d8c2c891cc4f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireOtherInvestments"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_d7b708aa-7c89-43b1-865c-1888bd2057be" xlink:to="loc_us-gaap_PaymentsToAcquireOtherInvestments_16fe8f7b-d35b-4674-9500-d8c2c891cc4f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables_b1d22e2f-1db8-4a03-9aa8-125d1301667d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_d7b708aa-7c89-43b1-865c-1888bd2057be" xlink:to="loc_us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables_b1d22e2f-1db8-4a03-9aa8-125d1301667d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_51a5f04c-2646-448c-b345-18d23b99719d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyHeldForSale"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_d7b708aa-7c89-43b1-865c-1888bd2057be" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyHeldForSale_51a5f04c-2646-448c-b345-18d23b99719d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_fdb2c00a-445d-4dba-8eb1-e6dcbb53b18e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_d7b708aa-7c89-43b1-865c-1888bd2057be" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_fdb2c00a-445d-4dba-8eb1-e6dcbb53b18e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_1fc76178-021a-405b-984d-57bf03a54f94" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_d7b708aa-7c89-43b1-865c-1888bd2057be" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_1fc76178-021a-405b-984d-57bf03a54f94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_350f7e56-1fb5-4e80-a3a1-705b59c2b1e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_d7b708aa-7c89-43b1-865c-1888bd2057be" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_350f7e56-1fb5-4e80-a3a1-705b59c2b1e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f05ad9da-d209-4e4f-9265-1066c1b36771" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_e51e1492-8839-4447-b4bc-b4f7a527f7f4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_e51e1492-8839-4447-b4bc-b4f7a527f7f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths_dceecbc2-a57f-4b77-b4d2-c116d0636ea5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:to="loc_us-gaap_ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths_dceecbc2-a57f-4b77-b4d2-c116d0636ea5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_0f445249-5bac-49b9-a312-2a8ba546cafa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_0f445249-5bac-49b9-a312-2a8ba546cafa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_16492438-ec26-4297-ace1-c5a93a099052" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_16492438-ec26-4297-ace1-c5a93a099052" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RepaymentOfLongTermDebtToAffiliate_46f2d9b1-3bae-4ca4-baa1-1e904b26b724" xlink:href="ceg-20211231.xsd#ceg_RepaymentOfLongTermDebtToAffiliate"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:to="loc_ceg_RepaymentOfLongTermDebtToAffiliate_46f2d9b1-3bae-4ca4-baa1-1e904b26b724" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDueToAffiliatesCurrent_ff4f4fc1-ddba-4464-8173-5b746e3170fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInDueToAffiliatesCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:to="loc_us-gaap_IncreaseDecreaseInDueToAffiliatesCurrent_ff4f4fc1-ddba-4464-8173-5b746e3170fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_9907d981-e50c-465c-a8bf-3a236f571649" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:to="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_9907d981-e50c-465c-a8bf-3a236f571649" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDistributionsToAffiliates_2c240ad8-518c-4527-b016-43ccbd6d161a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfDistributionsToAffiliates"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:to="loc_us-gaap_PaymentsOfDistributionsToAffiliates_2c240ad8-518c-4527-b016-43ccbd6d161a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromContributionsFromAffiliates_5cb3b7ab-5db3-4a08-b6b0-8f97b4507da8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromContributionsFromAffiliates"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:to="loc_us-gaap_ProceedsFromContributionsFromAffiliates_5cb3b7ab-5db3-4a08-b6b0-8f97b4507da8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_67f90716-0fa4-40d5-b465-45b123ba3b55" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_67f90716-0fa4-40d5-b465-45b123ba3b55" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0c4987ca-f6bb-48d8-8877-2229c21d1bf6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_cc1cffa2-d8ed-49a5-8aeb-703da88b708d" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0c4987ca-f6bb-48d8-8877-2229c21d1bf6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_ffcd2ea9-8d36-417f-91ac-422b5f6b5b78" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f05ad9da-d209-4e4f-9265-1066c1b36771" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_ffcd2ea9-8d36-417f-91ac-422b5f6b5b78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9335bb61-c836-4a55-996d-16ab62321c4d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f05ad9da-d209-4e4f-9265-1066c1b36771" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9335bb61-c836-4a55-996d-16ab62321c4d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e225ae17-047e-4d4a-8294-b688b89b2d54" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f05ad9da-d209-4e4f-9265-1066c1b36771" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e225ae17-047e-4d4a-8294-b688b89b2d54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ChangeinCapitalExpendituresIncurredButNotYetPaid_cf1b1ec9-9711-4751-a100-ffbf5192c651" xlink:href="ceg-20211231.xsd#ceg_ChangeinCapitalExpendituresIncurredButNotYetPaid"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f05ad9da-d209-4e4f-9265-1066c1b36771" xlink:to="loc_ceg_ChangeinCapitalExpendituresIncurredButNotYetPaid_cf1b1ec9-9711-4751-a100-ffbf5192c651" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalDeferredPurchasePrice_b9a589e8-a664-4f73-ae3a-c62373c76b04" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SupplementalDeferredPurchasePrice"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f05ad9da-d209-4e4f-9265-1066c1b36771" xlink:to="loc_us-gaap_SupplementalDeferredPurchasePrice_b9a589e8-a664-4f73-ae3a-c62373c76b04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsIncurredAssetRetirementObligationIncurred_9bc318ad-d634-4331-9786-fcc46031a5c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostsIncurredAssetRetirementObligationIncurred"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_f05ad9da-d209-4e4f-9265-1066c1b36771" xlink:to="loc_us-gaap_CostsIncurredAssetRetirementObligationIncurred_9bc318ad-d634-4331-9786-fcc46031a5c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="ceg-20211231.xsd#ConsolidatedBalanceSheets"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_fd1166d4-d93c-48e0-90f1-47e7acf46126" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_f694c472-81be-4009-a8e2-0795e956df3f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_fd1166d4-d93c-48e0-90f1-47e7acf46126" xlink:to="loc_us-gaap_StatementTable_f694c472-81be-4009-a8e2-0795e956df3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_52565607-5638-48e4-9317-4098fd1d0b28" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_f694c472-81be-4009-a8e2-0795e956df3f" xlink:to="loc_dei_LegalEntityAxis_52565607-5638-48e4-9317-4098fd1d0b28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_c9781584-7b08-49f0-b0ef-6eced667d4e1" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_52565607-5638-48e4-9317-4098fd1d0b28" xlink:to="loc_dei_EntityDomain_c9781584-7b08-49f0-b0ef-6eced667d4e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_7b4c29c5-344a-409c-8868-8829e0bfc0a3" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c9781584-7b08-49f0-b0ef-6eced667d4e1" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_7b4c29c5-344a-409c-8868-8829e0bfc0a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_917b3453-5be3-4575-967d-5719f38904f3" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_f694c472-81be-4009-a8e2-0795e956df3f" xlink:to="loc_srt_ConsolidatedEntitiesAxis_917b3453-5be3-4575-967d-5719f38904f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_3f11e0d1-a0f3-467f-a20c-5a07c084eb8b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesAxis_917b3453-5be3-4575-967d-5719f38904f3" xlink:to="loc_srt_ConsolidatedEntitiesDomain_3f11e0d1-a0f3-467f-a20c-5a07c084eb8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_7fe0769a-b259-4f17-b112-74b54da3c5a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_3f11e0d1-a0f3-467f-a20c-5a07c084eb8b" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_7fe0769a-b259-4f17-b112-74b54da3c5a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PledgedStatusAxis_00d10174-3373-47f2-a612-01788122d075" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PledgedStatusAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_f694c472-81be-4009-a8e2-0795e956df3f" xlink:to="loc_us-gaap_PledgedStatusAxis_00d10174-3373-47f2-a612-01788122d075" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PledgedStatusDomain_2696d015-29d4-49f3-8da4-5e7fdd2bc48a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PledgedStatusDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PledgedStatusAxis_00d10174-3373-47f2-a612-01788122d075" xlink:to="loc_us-gaap_PledgedStatusDomain_2696d015-29d4-49f3-8da4-5e7fdd2bc48a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetPledgedAsCollateralMember_87b5a727-64af-4a5c-a50c-14ab6e1a5da0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetPledgedAsCollateralMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PledgedStatusDomain_2696d015-29d4-49f3-8da4-5e7fdd2bc48a" xlink:to="loc_us-gaap_AssetPledgedAsCollateralMember_87b5a727-64af-4a5c-a50c-14ab6e1a5da0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RecourseStatusAxis_55b86191-936f-4ee6-96fa-154df18c82f8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RecourseStatusAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_f694c472-81be-4009-a8e2-0795e956df3f" xlink:to="loc_us-gaap_RecourseStatusAxis_55b86191-936f-4ee6-96fa-154df18c82f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RecourseStatusDomain_858360b3-f465-4252-bc56-e595cffd2f14" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RecourseStatusDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RecourseStatusAxis_55b86191-936f-4ee6-96fa-154df18c82f8" xlink:to="loc_us-gaap_RecourseStatusDomain_858360b3-f465-4252-bc56-e595cffd2f14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonrecourseMember_3af7ec46-bc42-49a9-8a29-df784868b880" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonrecourseMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RecourseStatusDomain_858360b3-f465-4252-bc56-e595cffd2f14" xlink:to="loc_us-gaap_NonrecourseMember_3af7ec46-bc42-49a9-8a29-df784868b880" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_934e8a13-de09-4fed-8db0-81b87e126f79" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_f694c472-81be-4009-a8e2-0795e956df3f" xlink:to="loc_us-gaap_StatementLineItems_934e8a13-de09-4fed-8db0-81b87e126f79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_29781044-fccc-4b52-b037-b466613d2d18" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_934e8a13-de09-4fed-8db0-81b87e126f79" xlink:to="loc_us-gaap_AssetsAbstract_29781044-fccc-4b52-b037-b466613d2d18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_29781044-fccc-4b52-b037-b466613d2d18" xlink:to="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_45cc32ac-8056-452d-9643-9282b51109b2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_45cc32ac-8056-452d-9643-9282b51109b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_314c6111-6eb5-488a-835f-2235b4437c80" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_314c6111-6eb5-488a-835f-2235b4437c80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e6ddc0ed-6560-4d5b-8713-4c9d7777e2e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrentAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:to="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e6ddc0ed-6560-4d5b-8713-4c9d7777e2e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_c131b2f6-9f9e-4e7f-acbe-3c0a095dcee6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e6ddc0ed-6560-4d5b-8713-4c9d7777e2e4" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_c131b2f6-9f9e-4e7f-acbe-3c0a095dcee6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_248fb355-0933-4f9f-981e-d737c7082c2c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e6ddc0ed-6560-4d5b-8713-4c9d7777e2e4" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_248fb355-0933-4f9f-981e-d737c7082c2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_84666f5f-6eae-49d6-a53a-bec86840bc2d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e6ddc0ed-6560-4d5b-8713-4c9d7777e2e4" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_84666f5f-6eae-49d6-a53a-bec86840bc2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesGrossCurrent_a81ddd07-cfd2-4980-8134-7111586ace89" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherReceivablesGrossCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e6ddc0ed-6560-4d5b-8713-4c9d7777e2e4" xlink:to="loc_us-gaap_OtherReceivablesGrossCurrent_a81ddd07-cfd2-4980-8134-7111586ace89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_60bbbcab-9cec-45c9-b6bf-79a5c0727343" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e6ddc0ed-6560-4d5b-8713-4c9d7777e2e4" xlink:to="loc_us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_60bbbcab-9cec-45c9-b6bf-79a5c0727343" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_54954d50-19cd-4020-8ba8-bdfb39b6a702" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherReceivablesNetCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_e6ddc0ed-6560-4d5b-8713-4c9d7777e2e4" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_54954d50-19cd-4020-8ba8-bdfb39b6a702" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_e2ac8033-c166-4548-ab4c-1fa697ec37dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_e2ac8033-c166-4548-ab4c-1fa697ec37dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_2ed1ac4d-a858-4e2c-88ea-0e94981edb7e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableRelatedPartiesCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_2ed1ac4d-a858-4e2c-88ea-0e94981edb7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNetAbstract_2393ff2a-ce74-4d50-bc2f-02c8a1be02cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryNetAbstract"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:to="loc_us-gaap_InventoryNetAbstract_2393ff2a-ce74-4d50-bc2f-02c8a1be02cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_c8682966-0f14-44ca-a295-f576a1e44683" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EnergyRelatedInventoryNaturalGasInStorage"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryNetAbstract_2393ff2a-ce74-4d50-bc2f-02c8a1be02cf" xlink:to="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_c8682966-0f14-44ca-a295-f576a1e44683" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_7776a079-f2ef-4b4d-936c-b0590ad8ef00" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryNetAbstract_2393ff2a-ce74-4d50-bc2f-02c8a1be02cf" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_7776a079-f2ef-4b4d-936c-b0590ad8ef00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RenewableEnergyCreditsCurrent_a84fd091-8abb-4905-8ad4-a706851753fe" xlink:href="ceg-20211231.xsd#ceg_RenewableEnergyCreditsCurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:to="loc_ceg_RenewableEnergyCreditsCurrent_a84fd091-8abb-4905-8ad4-a706851753fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_416c8928-e048-4097-a51e-196d2a748a62" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_416c8928-e048-4097-a51e-196d2a748a62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_6e19f65e-34f9-4ef1-9697-94b2e01824bb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:to="loc_us-gaap_OtherAssetsCurrent_6e19f65e-34f9-4ef1-9697-94b2e01824bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_faf82d9b-c1b7-4d5e-b952-bced40dba525" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_a3f192bd-5009-4dcd-bfda-e37a761dc60f" xlink:to="loc_us-gaap_AssetsCurrent_faf82d9b-c1b7-4d5e-b952-bced40dba525" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_f09ac897-89d2-4f59-9c61-fb911c863e78" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_29781044-fccc-4b52-b037-b466613d2d18" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_f09ac897-89d2-4f59-9c61-fb911c863e78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_9c625c1c-b754-4167-90c6-87a1c439c818" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_29781044-fccc-4b52-b037-b466613d2d18" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_9c625c1c-b754-4167-90c6-87a1c439c818" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrentAbstract_a0bdc6b7-ba6b-4189-a0e5-71c3e025a20a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrentAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_29781044-fccc-4b52-b037-b466613d2d18" xlink:to="loc_us-gaap_OtherAssetsNoncurrentAbstract_a0bdc6b7-ba6b-4189-a0e5-71c3e025a20a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DecommissioningFundInvestments_b1d88f76-577e-42f7-9330-ff34f060016f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DecommissioningFundInvestments"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_a0bdc6b7-ba6b-4189-a0e5-71c3e025a20a" xlink:to="loc_us-gaap_DecommissioningFundInvestments_b1d88f76-577e-42f7-9330-ff34f060016f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_d840af26-72bc-40c3-8ba8-fe74748bcb07" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermInvestments"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_a0bdc6b7-ba6b-4189-a0e5-71c3e025a20a" xlink:to="loc_us-gaap_LongTermInvestments_d840af26-72bc-40c3-8ba8-fe74748bcb07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_915616e9-0243-49ad-8cff-36f1f287c381" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_a0bdc6b7-ba6b-4189-a0e5-71c3e025a20a" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_915616e9-0243-49ad-8cff-36f1f287c381" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_31293a56-2681-4db6-b491-2a372d47eee2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_a0bdc6b7-ba6b-4189-a0e5-71c3e025a20a" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_31293a56-2681-4db6-b491-2a372d47eee2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_32ad6e72-9641-4a8d-848e-8893fc94da38" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_a0bdc6b7-ba6b-4189-a0e5-71c3e025a20a" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_32ad6e72-9641-4a8d-848e-8893fc94da38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_0f7b0fb6-f920-4cae-9d44-9c3bd6b27e27" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_a0bdc6b7-ba6b-4189-a0e5-71c3e025a20a" xlink:to="loc_us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent_0f7b0fb6-f920-4cae-9d44-9c3bd6b27e27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_eab20d51-29a1-4433-9e63-1c330a9aa0f6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_a0bdc6b7-ba6b-4189-a0e5-71c3e025a20a" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_eab20d51-29a1-4433-9e63-1c330a9aa0f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCostsAndOtherAssets_2dded9ae-4bfa-4ac9-919b-3f6927a7cfd1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCostsAndOtherAssets"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_a0bdc6b7-ba6b-4189-a0e5-71c3e025a20a" xlink:to="loc_us-gaap_DeferredCostsAndOtherAssets_2dded9ae-4bfa-4ac9-919b-3f6927a7cfd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_e482bc9a-db40-443d-9f5e-9818ff5d81d5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_934e8a13-de09-4fed-8db0-81b87e126f79" xlink:to="loc_us-gaap_Assets_e482bc9a-db40-443d-9f5e-9818ff5d81d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b7acad7f-4ddf-4e26-b2a4-25d9800654dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_934e8a13-de09-4fed-8db0-81b87e126f79" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b7acad7f-4ddf-4e26-b2a4-25d9800654dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b7acad7f-4ddf-4e26-b2a4-25d9800654dd" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_609e3a00-2e2a-4589-ac94-b6aa93e69df6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermBorrowings"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:to="loc_us-gaap_ShortTermBorrowings_609e3a00-2e2a-4589-ac94-b6aa93e69df6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_430ae880-5ed2-4730-a735-12dc41631fc2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_430ae880-5ed2-4730-a735-12dc41631fc2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_80397265-6cde-4e1d-8a23-ad7e7ba608fa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:to="loc_us-gaap_AccountsPayableCurrent_80397265-6cde-4e1d-8a23-ad7e7ba608fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_44206daa-3335-4cab-a4e6-e5b9a2f45e6e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_44206daa-3335-4cab-a4e6-e5b9a2f45e6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_6e68585e-58ce-4c5a-af1f-6376cbfea84f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableRelatedPartiesCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_6e68585e-58ce-4c5a-af1f-6376cbfea84f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateCurrent_60b50bf5-a006-4b29-b3c1-0d35ee78f134" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueToAffiliateCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:to="loc_us-gaap_DueToAffiliateCurrent_60b50bf5-a006-4b29-b3c1-0d35ee78f134" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_4bc0f360-7b1d-4fc1-bf8e-ba492f47086c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_4bc0f360-7b1d-4fc1-bf8e-ba492f47086c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyMarketingAccountsPayable_7be21ddb-0bfb-4b18-a8a9-b79c130a8ea0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EnergyMarketingAccountsPayable"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:to="loc_us-gaap_EnergyMarketingAccountsPayable_7be21ddb-0bfb-4b18-a8a9-b79c130a8ea0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_d31ff570-acbf-499b-8688-844971fee6ea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_d31ff570-acbf-499b-8688-844971fee6ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_b55918bf-fcdb-4629-b106-a3e3c6591d22" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_b55918bf-fcdb-4629-b106-a3e3c6591d22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_79152525-d534-4c53-9f63-c05c5b94416c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_fce94058-a15f-473d-9379-f3506f74e7e2" xlink:to="loc_us-gaap_LiabilitiesCurrent_79152525-d534-4c53-9f63-c05c5b94416c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_7e5ec416-89d6-42a9-8da3-35f4e6652ccf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b7acad7f-4ddf-4e26-b2a4-25d9800654dd" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_7e5ec416-89d6-42a9-8da3-35f4e6652ccf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateNoncurrent_7c7ad4a4-cb1f-41e3-98e6-e920290f4f67" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueToAffiliateNoncurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b7acad7f-4ddf-4e26-b2a4-25d9800654dd" xlink:to="loc_us-gaap_DueToAffiliateNoncurrent_7c7ad4a4-cb1f-41e3-98e6-e920290f4f67" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_59279a0f-e7ad-40a5-aa76-e92f4f59ad29" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrentAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b7acad7f-4ddf-4e26-b2a4-25d9800654dd" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_59279a0f-e7ad-40a5-aa76-e92f4f59ad29" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_d676b637-7edf-4948-9699-87c0e753929e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_59279a0f-e7ad-40a5-aa76-e92f4f59ad29" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent_d676b637-7edf-4948-9699-87c0e753929e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_4a6f5991-290a-41ee-b48f-822168242f4a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_59279a0f-e7ad-40a5-aa76-e92f4f59ad29" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_4a6f5991-290a-41ee-b48f-822168242f4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_0d761da7-e5cf-4fcd-9999-833e91787cdd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_59279a0f-e7ad-40a5-aa76-e92f4f59ad29" xlink:to="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_0d761da7-e5cf-4fcd-9999-833e91787cdd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SpentNuclearFuelObligationNoncurrent_2b82e368-82f9-4caf-bb5e-0f1389abade0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SpentNuclearFuelObligationNoncurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_59279a0f-e7ad-40a5-aa76-e92f4f59ad29" xlink:to="loc_us-gaap_SpentNuclearFuelObligationNoncurrent_2b82e368-82f9-4caf-bb5e-0f1389abade0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesNoncurrent_55337228-1686-4780-a42f-cc13697e5645" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableRelatedPartiesNoncurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_59279a0f-e7ad-40a5-aa76-e92f4f59ad29" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesNoncurrent_55337228-1686-4780-a42f-cc13697e5645" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_078f4db0-3362-4bf7-a231-0fa225c0b990" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_59279a0f-e7ad-40a5-aa76-e92f4f59ad29" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_078f4db0-3362-4bf7-a231-0fa225c0b990" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_dcb3c217-8c18-4bce-8701-27b67c25b05c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_59279a0f-e7ad-40a5-aa76-e92f4f59ad29" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_dcb3c217-8c18-4bce-8701-27b67c25b05c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCreditsAndOtherLiabilities_f7fe0222-d8bf-4597-a4d5-2e480310417f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCreditsAndOtherLiabilities"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrentAbstract_59279a0f-e7ad-40a5-aa76-e92f4f59ad29" xlink:to="loc_us-gaap_DeferredCreditsAndOtherLiabilities_f7fe0222-d8bf-4597-a4d5-2e480310417f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_85c0932f-1d2b-4473-964a-fb52f324992f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b7acad7f-4ddf-4e26-b2a4-25d9800654dd" xlink:to="loc_us-gaap_Liabilities_85c0932f-1d2b-4473-964a-fb52f324992f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_ee86f825-2c5b-4f25-9e3c-cc5790e0af47" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b7acad7f-4ddf-4e26-b2a4-25d9800654dd" xlink:to="loc_us-gaap_CommitmentsAndContingencies_ee86f825-2c5b-4f25-9e3c-cc5790e0af47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_f9cba655-8e05-45c5-9c90-64f60bb9fa0b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_b7acad7f-4ddf-4e26-b2a4-25d9800654dd" xlink:to="loc_us-gaap_StockholdersEquityAbstract_f9cba655-8e05-45c5-9c90-64f60bb9fa0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquityAbstract_4352ed4a-74c7-4b57-93b7-e74b39aa302d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MembersEquityAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_f9cba655-8e05-45c5-9c90-64f60bb9fa0b" xlink:to="loc_us-gaap_MembersEquityAbstract_4352ed4a-74c7-4b57-93b7-e74b39aa302d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersCapital_b1a2283a-9c01-4c84-9e7b-472f91bb6a0b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MembersCapital"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MembersEquityAbstract_4352ed4a-74c7-4b57-93b7-e74b39aa302d" xlink:to="loc_us-gaap_MembersCapital_b1a2283a-9c01-4c84-9e7b-472f91bb6a0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_5ec08520-a4bd-410f-b915-0781fd00ae5a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MembersEquityAbstract_4352ed4a-74c7-4b57-93b7-e74b39aa302d" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_5ec08520-a4bd-410f-b915-0781fd00ae5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_c6f14a5a-75c8-487d-9bca-69b8cba3ec75" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MembersEquityAbstract_4352ed4a-74c7-4b57-93b7-e74b39aa302d" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_c6f14a5a-75c8-487d-9bca-69b8cba3ec75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquity_18eafe7c-2b60-4654-8f18-271afe9ff7ab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MembersEquity"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MembersEquityAbstract_4352ed4a-74c7-4b57-93b7-e74b39aa302d" xlink:to="loc_us-gaap_MembersEquity_18eafe7c-2b60-4654-8f18-271afe9ff7ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquityAttributableToNoncontrollingInterest_b55c567c-e96d-4aff-b746-6eba8e35d6d0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MembersEquityAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MembersEquityAbstract_4352ed4a-74c7-4b57-93b7-e74b39aa302d" xlink:to="loc_us-gaap_MembersEquityAttributableToNoncontrollingInterest_b55c567c-e96d-4aff-b746-6eba8e35d6d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_d51f5386-33ef-4f3d-932e-a4b766f81095" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MembersEquityAbstract_4352ed4a-74c7-4b57-93b7-e74b39aa302d" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_d51f5386-33ef-4f3d-932e-a4b766f81095" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_138f9ed0-e00f-4b35-b008-52ab56644147" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MembersEquityAbstract_4352ed4a-74c7-4b57-93b7-e74b39aa302d" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_138f9ed0-e00f-4b35-b008-52ab56644147" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ConsolidatedStatementofChangesinShareholdersEquity" xlink:type="simple" xlink:href="ceg-20211231.xsd#ConsolidatedStatementofChangesinShareholdersEquity"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ConsolidatedStatementofChangesinShareholdersEquity" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_b9d46a0f-96a4-4329-b9f6-1148369257a4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_b1c0465b-7ab0-4b3f-b1cc-dc41ea35d731" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_b9d46a0f-96a4-4329-b9f6-1148369257a4" xlink:to="loc_us-gaap_StatementTable_b1c0465b-7ab0-4b3f-b1cc-dc41ea35d731" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_d7d68ef1-d407-48e8-a203-3b96afd5ee47" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_b1c0465b-7ab0-4b3f-b1cc-dc41ea35d731" xlink:to="loc_dei_LegalEntityAxis_d7d68ef1-d407-48e8-a203-3b96afd5ee47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_9762b68b-7035-4188-b670-4da652616a5b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_d7d68ef1-d407-48e8-a203-3b96afd5ee47" xlink:to="loc_dei_EntityDomain_9762b68b-7035-4188-b670-4da652616a5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_7c280ff9-9d2f-46fe-8c00-33a81b090a19" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_9762b68b-7035-4188-b670-4da652616a5b" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_7c280ff9-9d2f-46fe-8c00-33a81b090a19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_b035a6a2-af6c-4ce2-9099-c2ee47171495" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_b1c0465b-7ab0-4b3f-b1cc-dc41ea35d731" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_b035a6a2-af6c-4ce2-9099-c2ee47171495" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_a2f84641-f7b4-4503-b171-bb9461d89f4c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_b035a6a2-af6c-4ce2-9099-c2ee47171495" xlink:to="loc_us-gaap_EquityComponentDomain_a2f84641-f7b4-4503-b171-bb9461d89f4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MembershipInterestMember_1ef25cbf-40dd-4d04-8f40-0711e050e2cb" xlink:href="ceg-20211231.xsd#ceg_MembershipInterestMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_a2f84641-f7b4-4503-b171-bb9461d89f4c" xlink:to="loc_ceg_MembershipInterestMember_1ef25cbf-40dd-4d04-8f40-0711e050e2cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_a60868c7-cbaf-4b59-9a31-32030b68414e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_a2f84641-f7b4-4503-b171-bb9461d89f4c" xlink:to="loc_us-gaap_RetainedEarningsMember_a60868c7-cbaf-4b59-9a31-32030b68414e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7512b0fb-d5af-49c5-a694-8961639eb02e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_a2f84641-f7b4-4503-b171-bb9461d89f4c" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7512b0fb-d5af-49c5-a694-8961639eb02e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_31395a1b-8385-4d1b-ba0f-993ea4605bc3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_a2f84641-f7b4-4503-b171-bb9461d89f4c" xlink:to="loc_us-gaap_NoncontrollingInterestMember_31395a1b-8385-4d1b-ba0f-993ea4605bc3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMember_29399705-5164-4cac-9593-2659c27c72f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_a2f84641-f7b4-4503-b171-bb9461d89f4c" xlink:to="loc_us-gaap_EquityMember_29399705-5164-4cac-9593-2659c27c72f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CengMember_fdd19aab-6652-489e-9579-d4711f55b542" xlink:href="ceg-20211231.xsd#ceg_CengMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_a2f84641-f7b4-4503-b171-bb9461d89f4c" xlink:to="loc_ceg_CengMember_fdd19aab-6652-489e-9579-d4711f55b542" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_c5f972bb-6ed1-4bfc-b262-b9a5514780cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_b1c0465b-7ab0-4b3f-b1cc-dc41ea35d731" xlink:to="loc_us-gaap_StatementLineItems_c5f972bb-6ed1-4bfc-b262-b9a5514780cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_c5f972bb-6ed1-4bfc-b262-b9a5514780cd" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_c1a2f136-9fe8-4d19-a581-54e6dcc88d6d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_c1a2f136-9fe8-4d19-a581-54e6dcc88d6d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_526106a9-c38e-4544-b25d-87a3f2d304b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_us-gaap_ProfitLoss_526106a9-c38e-4544-b25d-87a3f2d304b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest_2790aa39-3f53-4774-bc70-99521a1ccf17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest_2790aa39-3f53-4774-bc70-99521a1ccf17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestPeriodIncreaseDecrease_d4e882bc-c2bc-429d-a89b-5f4a9c60e27e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MinorityInterestPeriodIncreaseDecrease"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_us-gaap_MinorityInterestPeriodIncreaseDecrease_d4e882bc-c2bc-429d-a89b-5f4a9c60e27e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsDeclared_de1a58e5-9305-453c-af16-10d6c0706172" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsDeclared"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsDeclared_de1a58e5-9305-453c-af16-10d6c0706172" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_1250bc06-0dfe-4044-80d2-b89fc3e88471" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalOther"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_1250bc06-0dfe-4044-80d2-b89fc3e88471" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_0c98b132-424d-42f0-b882-1ed6f9248357" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_0c98b132-424d-42f0-b882-1ed6f9248357" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DistributionToMemberOfDeferredTaxesAssociatedWithNetRetirementBenefitObligation_ebd5e52a-087e-4746-9ca1-8018e61f4a7c" xlink:href="ceg-20211231.xsd#ceg_DistributionToMemberOfDeferredTaxesAssociatedWithNetRetirementBenefitObligation"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_ceg_DistributionToMemberOfDeferredTaxesAssociatedWithNetRetirementBenefitObligation_ebd5e52a-087e-4746-9ca1-8018e61f4a7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_cac4e1db-2d5e-4d8a-b4bf-3ef0e98aad59" xlink:href="ceg-20211231.xsd#ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_cac4e1db-2d5e-4d8a-b4bf-3ef0e98aad59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_5cf6d71c-6514-4b61-a0dc-f3a5d6a5eca1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToMinorityShareholders"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_5cf6d71c-6514-4b61-a0dc-f3a5d6a5eca1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_b68c5efc-eb89-4c23-bf63-5150cbe23765" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_b68c5efc-eb89-4c23-bf63-5150cbe23765" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_56574ec2-aadf-4597-a59e-d4bbab7ffcf6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_dc0583b6-d8fb-4238-b73d-569703ffe013" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLlcMembersEquityIncludingPortionAttributableToNoncontrollingInterest_56574ec2-aadf-4597-a59e-d4bbab7ffcf6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SignificantAccountingPolicies" xlink:type="simple" xlink:href="ceg-20211231.xsd#SignificantAccountingPolicies"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SignificantAccountingPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_7f2b57de-622f-4f57-93ae-4ead2d6b8eae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_2b8f892a-8cf8-4f0d-8ce8-7f86a46f96af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_7f2b57de-622f-4f57-93ae-4ead2d6b8eae" xlink:to="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_2b8f892a-8cf8-4f0d-8ce8-7f86a46f96af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="ceg-20211231.xsd#SignificantAccountingPoliciesPolicies"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SignificantAccountingPoliciesPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_336a4249-09e2-47c9-b97e-3d4acfc407b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_336a4249-09e2-47c9-b97e-3d4acfc407b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UseOfEstimates_62634253-937a-4c89-8ed6-0889059b4500" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UseOfEstimates"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_UseOfEstimates_62634253-937a-4c89-8ed6-0889059b4500" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_13852b8d-0651-4413-940e-9bcfa5d0191d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_RevenueRecognitionPolicyTextBlock_13852b8d-0651-4413-940e-9bcfa5d0191d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueTransactionPriceMeasurementTaxExclusionPolicyTextBlock_d3f441d0-1c52-48f1-a55a-61d38b3f3e8a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueTransactionPriceMeasurementTaxExclusionPolicyTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_RevenueTransactionPriceMeasurementTaxExclusionPolicyTextBlock_d3f441d0-1c52-48f1-a55a-61d38b3f3e8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeasesPolicyTextBlock_07e672b9-491d-439a-84bf-c13b07133785" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeasesPolicyTextBlock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_LesseeLeasesPolicyTextBlock_07e672b9-491d-439a-84bf-c13b07133785" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_facf4327-a86f-4319-975b-e56f088bfba1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_IncomeTaxPolicyTextBlock_facf4327-a86f-4319-975b-e56f088bfba1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_1863c3c8-4f49-4833-afdb-296fb1395bed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_1863c3c8-4f49-4833-afdb-296fb1395bed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts_eb2dfb51-94e4-4c53-94cf-82de35434678" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts_eb2dfb51-94e4-4c53-94cf-82de35434678" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationVariableInterestEntityPolicy_466e9c0d-b2f9-4164-9ab8-9f3582c48d5c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConsolidationVariableInterestEntityPolicy"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_ConsolidationVariableInterestEntityPolicy_466e9c0d-b2f9-4164-9ab8-9f3582c48d5c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryPolicyTextBlock_b08ee77a-bcd5-4223-a907-c588ae123b32" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryPolicyTextBlock"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_InventoryPolicyTextBlock_b08ee77a-bcd5-4223-a907-c588ae123b32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketableSecuritiesPolicy_47289045-28d0-4e77-b089-68390817cc0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MarketableSecuritiesPolicy"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_MarketableSecuritiesPolicy_47289045-28d0-4e77-b089-68390817cc0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_e17952b3-7e89-40dd-8055-6f6db46e7fc2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_e17952b3-7e89-40dd-8055-6f6db46e7fc2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizationAndAmortizationOfFuelCostsPolicy_0e6ec683-e978-4246-91dd-9e03bc945b83" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalizationAndAmortizationOfFuelCostsPolicy"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_CapitalizationAndAmortizationOfFuelCostsPolicy_0e6ec683-e978-4246-91dd-9e03bc945b83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortizationPolicyTextBlock_56d54658-157c-44ce-8714-aab161b1c677" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationDepletionAndAmortizationPolicyTextBlock"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortizationPolicyTextBlock_56d54658-157c-44ce-8714-aab161b1c677" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsAndEnvironmentalCostPolicyTextBlock_7d3c477c-89c1-4bbb-803b-5070e797e9f0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationsAndEnvironmentalCostPolicyTextBlock"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_AssetRetirementObligationsAndEnvironmentalCostPolicyTextBlock_7d3c477c-89c1-4bbb-803b-5070e797e9f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteesIndemnificationsAndWarrantiesPolicies_1435e5eb-5fad-42d9-8db6-60f7b6c8e218" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteesIndemnificationsAndWarrantiesPolicies"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_GuaranteesIndemnificationsAndWarrantiesPolicies_1435e5eb-5fad-42d9-8db6-60f7b6c8e218" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_dc6edd5d-26a5-49a1-84ae-bde803c2a0ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_dc6edd5d-26a5-49a1-84ae-bde803c2a0ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesPolicyTextBlock_4022d358-a442-40a9-9901-37eaa01caf37" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativesPolicyTextBlock"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_DerivativesPolicyTextBlock_4022d358-a442-40a9-9901-37eaa01caf37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationRelatedCostsPolicyTextBlock_a1291b50-71fa-4781-aaae-c8ab2d65ca92" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CompensationRelatedCostsPolicyTextBlock"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_eafe35be-edfa-49ee-96b6-e5345457481d" xlink:to="loc_us-gaap_CompensationRelatedCostsPolicyTextBlock_a1291b50-71fa-4781-aaae-c8ab2d65ca92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SignificantAccountingPoliciesNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SignificantAccountingPoliciesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_13ebc00f-15e6-468d-b799-8c24073e2ecd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationTable_8665c110-5e40-4aa7-adeb-ea4892715faa" xlink:href="ceg-20211231.xsd#ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_13ebc00f-15e6-468d-b799-8c24073e2ecd" xlink:to="loc_ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationTable_8665c110-5e40-4aa7-adeb-ea4892715faa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_8ff999fc-1836-4ac7-970b-a0a990f869e1" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationTable_8665c110-5e40-4aa7-adeb-ea4892715faa" xlink:to="loc_srt_RangeAxis_8ff999fc-1836-4ac7-970b-a0a990f869e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_45c83110-2003-41ad-b606-e0bbc310e02f" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_8ff999fc-1836-4ac7-970b-a0a990f869e1" xlink:to="loc_srt_RangeMember_45c83110-2003-41ad-b606-e0bbc310e02f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_4c7e20df-fa5e-45ce-9b9e-b9e6f7719c15" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_45c83110-2003-41ad-b606-e0bbc310e02f" xlink:to="loc_srt_MinimumMember_4c7e20df-fa5e-45ce-9b9e-b9e6f7719c15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_c664df7e-be7f-4e59-b527-ef27c2e0d978" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_45c83110-2003-41ad-b606-e0bbc310e02f" xlink:to="loc_srt_MaximumMember_c664df7e-be7f-4e59-b527-ef27c2e0d978" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_bc4bc13a-a939-4af8-906b-80406023fd4a" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationTable_8665c110-5e40-4aa7-adeb-ea4892715faa" xlink:to="loc_dei_LegalEntityAxis_bc4bc13a-a939-4af8-906b-80406023fd4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_5d96f1e5-40c5-4c5b-9639-7412b21242c8" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_bc4bc13a-a939-4af8-906b-80406023fd4a" xlink:to="loc_dei_EntityDomain_5d96f1e5-40c5-4c5b-9639-7412b21242c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_946eda6b-9a6c-4cd4-8a34-ad678fc29939" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5d96f1e5-40c5-4c5b-9639-7412b21242c8" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_946eda6b-9a6c-4cd4-8a34-ad678fc29939" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_003bb6c9-f638-4733-ba1c-b864a6ca9bce" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationTable_8665c110-5e40-4aa7-adeb-ea4892715faa" xlink:to="loc_srt_OwnershipAxis_003bb6c9-f638-4733-ba1c-b864a6ca9bce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_48b587d5-d218-4704-b683-6383bfc47d8e" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipAxis_003bb6c9-f638-4733-ba1c-b864a6ca9bce" xlink:to="loc_srt_OwnershipDomain_48b587d5-d218-4704-b683-6383bfc47d8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationConsolidatedEntitiesMember_bacc2e6c-2b13-46fa-ac93-482ff87d2fd4" xlink:href="ceg-20211231.xsd#ceg_ConstellationConsolidatedEntitiesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipDomain_48b587d5-d218-4704-b683-6383bfc47d8e" xlink:to="loc_ceg_ConstellationConsolidatedEntitiesMember_bacc2e6c-2b13-46fa-ac93-482ff87d2fd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationRenewablesMember_de9d99e5-fea0-4649-8859-4cf0b594fa7a" xlink:href="ceg-20211231.xsd#ceg_ConstellationRenewablesMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipDomain_48b587d5-d218-4704-b683-6383bfc47d8e" xlink:to="loc_ceg_ConstellationRenewablesMember_de9d99e5-fea0-4649-8859-4cf0b594fa7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationLineItems_8920d5e2-7121-4979-b6ed-062553f82823" xlink:href="ceg-20211231.xsd#ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationTable_8665c110-5e40-4aa7-adeb-ea4892715faa" xlink:to="loc_ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationLineItems_8920d5e2-7121-4979-b6ed-062553f82823" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions_47bcd66b-8729-4923-9b25-72dec40543b8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationLineItems_8920d5e2-7121-4979-b6ed-062553f82823" xlink:to="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions_47bcd66b-8729-4923-9b25-72dec40543b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_0c6826b8-fa31-4a99-be7f-2fb0a2eb4897" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationLineItems_8920d5e2-7121-4979-b6ed-062553f82823" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_0c6826b8-fa31-4a99-be7f-2fb0a2eb4897" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MinimumExpectationOfTaxPositionToBeRealized_454e907c-0fe1-44da-af02-fc299b3b3fa5" xlink:href="ceg-20211231.xsd#ceg_MinimumExpectationOfTaxPositionToBeRealized"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SignificantAccountingPoliciesAdditionalNarrativeInformationLineItems_8920d5e2-7121-4979-b6ed-062553f82823" xlink:to="loc_ceg_MinimumExpectationOfTaxPositionToBeRealized_454e907c-0fe1-44da-af02-fc299b3b3fa5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/MergersAcquisitionsandDispositions" xlink:type="simple" xlink:href="ceg-20211231.xsd#MergersAcquisitionsandDispositions"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/MergersAcquisitionsandDispositions" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MergersAcquisitionsAndDispositionsAbstract_5daa0de7-05c9-4bcc-858a-2af06dd08b85" xlink:href="ceg-20211231.xsd#ceg_MergersAcquisitionsAndDispositionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock_a4a71987-e9ab-48f2-853a-cf88fd5a2969" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MergersAcquisitionsAndDispositionsAbstract_5daa0de7-05c9-4bcc-858a-2af06dd08b85" xlink:to="loc_us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock_a4a71987-e9ab-48f2-853a-cf88fd5a2969" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/MergersAcquisitionsandDispositionsTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#MergersAcquisitionsandDispositionsTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/MergersAcquisitionsandDispositionsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MergersAcquisitionsAndDispositionsAbstract_7e46822c-536f-46d4-b725-f359d232d121" xlink:href="ceg-20211231.xsd#ceg_MergersAcquisitionsAndDispositionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleOfChangesInOwnershipInterestTableTextBlock_a6fe3ca5-ec81-4d5e-9482-e8a6c3b741b3" xlink:href="ceg-20211231.xsd#ceg_ScheduleOfChangesInOwnershipInterestTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MergersAcquisitionsAndDispositionsAbstract_7e46822c-536f-46d4-b725-f359d232d121" xlink:to="loc_ceg_ScheduleOfChangesInOwnershipInterestTableTextBlock_a6fe3ca5-ec81-4d5e-9482-e8a6c3b741b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/MergersAcquisitionsandDispositionsNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#MergersAcquisitionsandDispositionsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/MergersAcquisitionsandDispositionsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MergersAcquisitionsAndDispositionsAbstract_5cd8869e-1a75-47a7-b7a2-55c38d1c200d" xlink:href="ceg-20211231.xsd#ceg_MergersAcquisitionsAndDispositionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleOfBusinessAcquisitionsAndDispositionsTable_2db8ad59-0256-4f7c-86e2-19ad4c79d2bf" xlink:href="ceg-20211231.xsd#ceg_ScheduleOfBusinessAcquisitionsAndDispositionsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MergersAcquisitionsAndDispositionsAbstract_5cd8869e-1a75-47a7-b7a2-55c38d1c200d" xlink:to="loc_ceg_ScheduleOfBusinessAcquisitionsAndDispositionsTable_2db8ad59-0256-4f7c-86e2-19ad4c79d2bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearPlantAxis_9ba9557a-cefe-41a4-84d1-6bea081dc608" xlink:href="ceg-20211231.xsd#ceg_NuclearPlantAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfBusinessAcquisitionsAndDispositionsTable_2db8ad59-0256-4f7c-86e2-19ad4c79d2bf" xlink:to="loc_ceg_NuclearPlantAxis_9ba9557a-cefe-41a4-84d1-6bea081dc608" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearPlantDomain_b56ad04a-cf35-4415-9900-36aed6c0ed8d" xlink:href="ceg-20211231.xsd#ceg_NuclearPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_NuclearPlantAxis_9ba9557a-cefe-41a4-84d1-6bea081dc608" xlink:to="loc_ceg_NuclearPlantDomain_b56ad04a-cf35-4415-9900-36aed6c0ed8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NineMilePointMember_1c4f91ab-71f7-4319-a99e-a8a39274b04a" xlink:href="ceg-20211231.xsd#ceg_NineMilePointMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_NuclearPlantDomain_b56ad04a-cf35-4415-9900-36aed6c0ed8d" xlink:to="loc_ceg_NineMilePointMember_1c4f91ab-71f7-4319-a99e-a8a39274b04a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_7b72eca1-1e6a-4714-ac06-be7506cea36b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfBusinessAcquisitionsAndDispositionsTable_2db8ad59-0256-4f7c-86e2-19ad4c79d2bf" xlink:to="loc_dei_LegalEntityAxis_7b72eca1-1e6a-4714-ac06-be7506cea36b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7f661953-f898-415d-a3fa-de668acedde8" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_7b72eca1-1e6a-4714-ac06-be7506cea36b" xlink:to="loc_dei_EntityDomain_7f661953-f898-415d-a3fa-de668acedde8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_0850f883-0ab0-4f78-a5d5-6375f6a16f4d" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7f661953-f898-415d-a3fa-de668acedde8" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_0850f883-0ab0-4f78-a5d5-6375f6a16f4d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_a1a7705d-ef8d-4ed8-901a-4bf2bfe61fac" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfBusinessAcquisitionsAndDispositionsTable_2db8ad59-0256-4f7c-86e2-19ad4c79d2bf" xlink:to="loc_srt_ConsolidatedEntitiesAxis_a1a7705d-ef8d-4ed8-901a-4bf2bfe61fac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_0ef94ebc-b567-4b8e-81db-eb07477112d3" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesAxis_a1a7705d-ef8d-4ed8-901a-4bf2bfe61fac" xlink:to="loc_srt_ConsolidatedEntitiesDomain_0ef94ebc-b567-4b8e-81db-eb07477112d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CengMember_66d8f6b7-14b1-4a84-8a0f-ae7507396141" xlink:href="ceg-20211231.xsd#ceg_CengMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_0ef94ebc-b567-4b8e-81db-eb07477112d3" xlink:to="loc_ceg_CengMember_66d8f6b7-14b1-4a84-8a0f-ae7507396141" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_7fc7328a-20ad-42f3-af67-fc4ab868892f" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfBusinessAcquisitionsAndDispositionsTable_2db8ad59-0256-4f7c-86e2-19ad4c79d2bf" xlink:to="loc_srt_OwnershipAxis_7fc7328a-20ad-42f3-af67-fc4ab868892f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_142fddd1-3001-41b8-b543-3f3d6840ec05" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipAxis_7fc7328a-20ad-42f3-af67-fc4ab868892f" xlink:to="loc_srt_OwnershipDomain_142fddd1-3001-41b8-b543-3f3d6840ec05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CengMember_97e62d01-970e-4657-95df-4419d024f363" xlink:href="ceg-20211231.xsd#ceg_CengMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipDomain_142fddd1-3001-41b8-b543-3f3d6840ec05" xlink:to="loc_ceg_CengMember_97e62d01-970e-4657-95df-4419d024f363" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_751f9d6b-a97a-491a-93c6-7475b8642481" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfBusinessAcquisitionsAndDispositionsTable_2db8ad59-0256-4f7c-86e2-19ad4c79d2bf" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_751f9d6b-a97a-491a-93c6-7475b8642481" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_271ef53c-08c9-4469-9791-76395bfbc356" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_751f9d6b-a97a-491a-93c6-7475b8642481" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_271ef53c-08c9-4469-9791-76395bfbc356" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SolarBusinessMember_ed080ecb-03a7-4725-9f26-756dc20c04f9" xlink:href="ceg-20211231.xsd#ceg_SolarBusinessMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_271ef53c-08c9-4469-9791-76395bfbc356" xlink:to="loc_ceg_SolarBusinessMember_ed080ecb-03a7-4725-9f26-756dc20c04f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AlbanyGreenEnergyBiomassFacilityMember_fd8079a6-5753-481b-a3b1-021fc4b5e438" xlink:href="ceg-20211231.xsd#ceg_AlbanyGreenEnergyBiomassFacilityMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_271ef53c-08c9-4469-9791-76395bfbc356" xlink:to="loc_ceg_AlbanyGreenEnergyBiomassFacilityMember_fd8079a6-5753-481b-a3b1-021fc4b5e438" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MergersAcquisitionsAndDispositionsLineItems_eee9023b-f5d1-4d58-a3dd-8a42ebce3f05" xlink:href="ceg-20211231.xsd#ceg_MergersAcquisitionsAndDispositionsLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfBusinessAcquisitionsAndDispositionsTable_2db8ad59-0256-4f7c-86e2-19ad4c79d2bf" xlink:to="loc_ceg_MergersAcquisitionsAndDispositionsLineItems_eee9023b-f5d1-4d58-a3dd-8a42ebce3f05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_f7e9f2eb-ffc7-4e67-9b67-b5d07742b27b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MergersAcquisitionsAndDispositionsLineItems_eee9023b-f5d1-4d58-a3dd-8a42ebce3f05" xlink:to="loc_us-gaap_BusinessCombinationsAbstract_f7e9f2eb-ffc7-4e67-9b67-b5d07742b27b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_2c1e7618-96dd-4991-b296-46a4d21b2f61" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_f7e9f2eb-ffc7-4e67-9b67-b5d07742b27b" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_2c1e7618-96dd-4991-b296-46a4d21b2f61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfCapitalDistribution_e73a5b5f-9d54-4aa9-860e-05cf2f98f202" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfCapitalDistribution"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_f7e9f2eb-ffc7-4e67-9b67-b5d07742b27b" xlink:to="loc_us-gaap_PaymentsOfCapitalDistribution_e73a5b5f-9d54-4aa9-860e-05cf2f98f202" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueFromAffiliates_d65af61b-7c8a-46f2-b0f6-1139f6fc7434" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueFromAffiliates"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_f7e9f2eb-ffc7-4e67-9b67-b5d07742b27b" xlink:to="loc_us-gaap_DueFromAffiliates_d65af61b-7c8a-46f2-b0f6-1139f6fc7434" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CENGPreferredDistributionReturn_579322c7-e42c-4f99-8ea9-a409926f8608" xlink:href="ceg-20211231.xsd#ceg_CENGPreferredDistributionReturn"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_f7e9f2eb-ffc7-4e67-9b67-b5d07742b27b" xlink:to="loc_ceg_CENGPreferredDistributionReturn_579322c7-e42c-4f99-8ea9-a409926f8608" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_4470cb07-8197-4b82-9a2b-79711f5f0317" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_f7e9f2eb-ffc7-4e67-9b67-b5d07742b27b" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_4470cb07-8197-4b82-9a2b-79711f5f0317" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_99eda1cd-d971-4684-af46-41b1952a1f31" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_f7e9f2eb-ffc7-4e67-9b67-b5d07742b27b" xlink:to="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_99eda1cd-d971-4684-af46-41b1952a1f31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_92850270-85dc-4fe1-8019-33ce5097a509" xlink:href="ceg-20211231.xsd#ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_f7e9f2eb-ffc7-4e67-9b67-b5d07742b27b" xlink:to="loc_ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_92850270-85dc-4fe1-8019-33ce5097a509" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationDisposalDisclosuresAbstract_267605c9-69ce-47ef-9fe7-b557c38ab98e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationDisposalDisclosuresAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MergersAcquisitionsAndDispositionsLineItems_eee9023b-f5d1-4d58-a3dd-8a42ebce3f05" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationDisposalDisclosuresAbstract_267605c9-69ce-47ef-9fe7-b557c38ab98e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CapacityOfFacilityOfCompanyOwnedSolarDistributionGenerationFacilities_9995f1cc-b59e-4d0c-a871-633c38fe9bd5" xlink:href="ceg-20211231.xsd#ceg_CapacityOfFacilityOfCompanyOwnedSolarDistributionGenerationFacilities"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupNotDiscontinuedOperationDisposalDisclosuresAbstract_267605c9-69ce-47ef-9fe7-b557c38ab98e" xlink:to="loc_ceg_CapacityOfFacilityOfCompanyOwnedSolarDistributionGenerationFacilities_9995f1cc-b59e-4d0c-a871-633c38fe9bd5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_dfc643e2-8fed-4747-b04e-020790ce0f6a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupNotDiscontinuedOperationDisposalDisclosuresAbstract_267605c9-69ce-47ef-9fe7-b557c38ab98e" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_dfc643e2-8fed-4747-b04e-020790ce0f6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_50712178-a784-4975-9821-e078d8da17cc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupNotDiscontinuedOperationDisposalDisclosuresAbstract_267605c9-69ce-47ef-9fe7-b557c38ab98e" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_50712178-a784-4975-9821-e078d8da17cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_18f8b57e-213a-4b90-a12d-b66f65c8e7f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupNotDiscontinuedOperationDisposalDisclosuresAbstract_267605c9-69ce-47ef-9fe7-b557c38ab98e" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_18f8b57e-213a-4b90-a12d-b66f65c8e7f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_a7b372e3-99f2-4443-bf88-89bb83fae58d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupNotDiscontinuedOperationDisposalDisclosuresAbstract_267605c9-69ce-47ef-9fe7-b557c38ab98e" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_a7b372e3-99f2-4443-bf88-89bb83fae58d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_88cf83cd-ddb6-42df-919a-1475ee6c7982" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupNotDiscontinuedOperationDisposalDisclosuresAbstract_267605c9-69ce-47ef-9fe7-b557c38ab98e" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_88cf83cd-ddb6-42df-919a-1475ee6c7982" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/MergersAcquisitionsandDispositionsChangesinOwnershipEquityDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#MergersAcquisitionsandDispositionsChangesinOwnershipEquityDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/MergersAcquisitionsandDispositionsChangesinOwnershipEquityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MergersAcquisitionsAndDispositionsAbstract_e2019ce4-b4f4-4474-830b-5d19d670e6ab" xlink:href="ceg-20211231.xsd#ceg_MergersAcquisitionsAndDispositionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleOfChangesInOwnershipInterestTable_4048a098-dadd-4237-b4be-fbcfbc9ac9f3" xlink:href="ceg-20211231.xsd#ceg_ScheduleOfChangesInOwnershipInterestTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MergersAcquisitionsAndDispositionsAbstract_e2019ce4-b4f4-4474-830b-5d19d670e6ab" xlink:to="loc_ceg_ScheduleOfChangesInOwnershipInterestTable_4048a098-dadd-4237-b4be-fbcfbc9ac9f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_1d8f798d-7d3a-4c54-8a07-80f741c9cd58" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfChangesInOwnershipInterestTable_4048a098-dadd-4237-b4be-fbcfbc9ac9f3" xlink:to="loc_srt_ConsolidatedEntitiesAxis_1d8f798d-7d3a-4c54-8a07-80f741c9cd58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_db63ca40-0018-4067-aa04-56c30fc78bb7" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesAxis_1d8f798d-7d3a-4c54-8a07-80f741c9cd58" xlink:to="loc_srt_ConsolidatedEntitiesDomain_db63ca40-0018-4067-aa04-56c30fc78bb7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CengMember_7eff9160-9e72-4024-81e7-ab927a545bb9" xlink:href="ceg-20211231.xsd#ceg_CengMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_db63ca40-0018-4067-aa04-56c30fc78bb7" xlink:to="loc_ceg_CengMember_7eff9160-9e72-4024-81e7-ab927a545bb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_023f5681-abc6-4fc3-a987-d270284e95d3" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfChangesInOwnershipInterestTable_4048a098-dadd-4237-b4be-fbcfbc9ac9f3" xlink:to="loc_dei_LegalEntityAxis_023f5681-abc6-4fc3-a987-d270284e95d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_dfc6dc27-2742-420a-800c-5fc61054dca7" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_023f5681-abc6-4fc3-a987-d270284e95d3" xlink:to="loc_dei_EntityDomain_dfc6dc27-2742-420a-800c-5fc61054dca7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_747d3914-b0f8-43f1-93e3-12921dbf6027" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_dfc6dc27-2742-420a-800c-5fc61054dca7" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_747d3914-b0f8-43f1-93e3-12921dbf6027" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_49948858-cd25-4a68-a5bf-93ea710d4d18" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfChangesInOwnershipInterestTable_4048a098-dadd-4237-b4be-fbcfbc9ac9f3" xlink:to="loc_srt_OwnershipAxis_49948858-cd25-4a68-a5bf-93ea710d4d18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_01ebfc42-361d-4014-949c-82972bfdf8eb" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipAxis_49948858-cd25-4a68-a5bf-93ea710d4d18" xlink:to="loc_srt_OwnershipDomain_01ebfc42-361d-4014-949c-82972bfdf8eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CengMember_1762dc61-e624-4403-adc1-5d9767e38923" xlink:href="ceg-20211231.xsd#ceg_CengMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipDomain_01ebfc42-361d-4014-949c-82972bfdf8eb" xlink:to="loc_ceg_CengMember_1762dc61-e624-4403-adc1-5d9767e38923" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleOfChangesInOwnershipInterestLineItems_e193b426-05da-474d-8b28-110bd1090206" xlink:href="ceg-20211231.xsd#ceg_ScheduleOfChangesInOwnershipInterestLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfChangesInOwnershipInterestTable_4048a098-dadd-4237-b4be-fbcfbc9ac9f3" xlink:to="loc_ceg_ScheduleOfChangesInOwnershipInterestLineItems_e193b426-05da-474d-8b28-110bd1090206" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_bc4b3d77-2150-47ba-a5da-8fee6902293a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfChangesInOwnershipInterestLineItems_e193b426-05da-474d-8b28-110bd1090206" xlink:to="loc_us-gaap_NetIncomeLoss_bc4b3d77-2150-47ba-a5da-8fee6902293a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_b586608c-2e5b-493f-b250-13cb08290cb9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfChangesInOwnershipInterestLineItems_e193b426-05da-474d-8b28-110bd1090206" xlink:to="loc_us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_b586608c-2e5b-493f-b250-13cb08290cb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_cb4dcff3-0aa7-4c3d-a47c-fb545946717d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfChangesInOwnershipInterestLineItems_e193b426-05da-474d-8b28-110bd1090206" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_cb4dcff3-0aa7-4c3d-a47c-fb545946717d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_49fc9de9-987e-408a-bc14-ad7a9cab27cc" xlink:href="ceg-20211231.xsd#ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfChangesInOwnershipInterestLineItems_e193b426-05da-474d-8b28-110bd1090206" xlink:to="loc_ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_49fc9de9-987e-408a-bc14-ad7a9cab27cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ChangeFromNetIncomeLossAttributableToOwnershipInterestAndTransfersFromNoncontrollingInterest_7a456c2b-7818-4a68-b5e1-e676dcb1c2c2" xlink:href="ceg-20211231.xsd#ceg_ChangeFromNetIncomeLossAttributableToOwnershipInterestAndTransfersFromNoncontrollingInterest"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfChangesInOwnershipInterestLineItems_e193b426-05da-474d-8b28-110bd1090206" xlink:to="loc_ceg_ChangeFromNetIncomeLossAttributableToOwnershipInterestAndTransfersFromNoncontrollingInterest_7a456c2b-7818-4a68-b5e1-e676dcb1c2c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RegulatoryMatters" xlink:type="simple" xlink:href="ceg-20211231.xsd#RegulatoryMatters"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RegulatoryMatters" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationsAbstract_12cdca3b-8e0e-40e1-8091-1dbc54d03208" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatedOperationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesDisclosureTextBlock_9db0926e-df3f-4d91-9a05-30a0768224fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_12cdca3b-8e0e-40e1-8091-1dbc54d03208" xlink:to="loc_us-gaap_PublicUtilitiesDisclosureTextBlock_9db0926e-df3f-4d91-9a05-30a0768224fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RegulatoryMattersNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#RegulatoryMattersNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RegulatoryMattersNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationsAbstract_93980154-580b-4af9-92c0-994b63347dc3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatedOperationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationTable_0059bd8f-3ee6-4155-858d-866bd1379411" xlink:href="ceg-20211231.xsd#ceg_RegulatoryMattersAdditionalNarrativeInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatedOperationsAbstract_93980154-580b-4af9-92c0-994b63347dc3" xlink:to="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationTable_0059bd8f-3ee6-4155-858d-866bd1379411" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_0c3c3474-c688-47e4-a4ff-569428b911fc" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationTable_0059bd8f-3ee6-4155-858d-866bd1379411" xlink:to="loc_dei_LegalEntityAxis_0c3c3474-c688-47e4-a4ff-569428b911fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_1251bab8-c8ee-4008-a4a1-088abd4291a1" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_0c3c3474-c688-47e4-a4ff-569428b911fc" xlink:to="loc_dei_EntityDomain_1251bab8-c8ee-4008-a4a1-088abd4291a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_e806801c-7a49-4409-9ced-83021816cc0a" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1251bab8-c8ee-4008-a4a1-088abd4291a1" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_e806801c-7a49-4409-9ced-83021816cc0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_227c6bba-6a8b-49ba-942a-bac7459b55ea" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationTable_0059bd8f-3ee6-4155-858d-866bd1379411" xlink:to="loc_srt_RangeAxis_227c6bba-6a8b-49ba-942a-bac7459b55ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_82c40e34-2430-4d73-9997-e3510c42fa96" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_227c6bba-6a8b-49ba-942a-bac7459b55ea" xlink:to="loc_srt_RangeMember_82c40e34-2430-4d73-9997-e3510c42fa96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_1e3b4997-d781-43fb-b58a-cb112defada7" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_82c40e34-2430-4d73-9997-e3510c42fa96" xlink:to="loc_srt_MinimumMember_1e3b4997-d781-43fb-b58a-cb112defada7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_0062961b-a8fc-4f93-9c0d-1bb61a07eb5d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_82c40e34-2430-4d73-9997-e3510c42fa96" xlink:to="loc_srt_MaximumMember_0062961b-a8fc-4f93-9c0d-1bb61a07eb5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MarketParticipantAxis_52cf8aab-4e34-44f4-928f-718fbbca6457" xlink:href="ceg-20211231.xsd#ceg_MarketParticipantAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationTable_0059bd8f-3ee6-4155-858d-866bd1379411" xlink:to="loc_ceg_MarketParticipantAxis_52cf8aab-4e34-44f4-928f-718fbbca6457" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MarketParticipantDomain_c7587bcb-d912-4962-8315-4aa107f083a8" xlink:href="ceg-20211231.xsd#ceg_MarketParticipantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MarketParticipantAxis_52cf8aab-4e34-44f4-928f-718fbbca6457" xlink:to="loc_ceg_MarketParticipantDomain_c7587bcb-d912-4962-8315-4aa107f083a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ERCOTMember_d2def708-1853-4338-8002-7301a88fbcdd" xlink:href="ceg-20211231.xsd#ceg_ERCOTMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MarketParticipantDomain_c7587bcb-d912-4962-8315-4aa107f083a8" xlink:to="loc_ceg_ERCOTMember_d2def708-1853-4338-8002-7301a88fbcdd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityAxis_916b382c-6a90-4148-b117-f253d28948b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilityAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationTable_0059bd8f-3ee6-4155-858d-866bd1379411" xlink:to="loc_us-gaap_PublicUtilityAxis_916b382c-6a90-4148-b117-f253d28948b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilityPlantDomain_cd86e16e-d561-4268-82ad-3eccfad4cf31" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityAxis_916b382c-6a90-4148-b117-f253d28948b3" xlink:to="loc_us-gaap_UtilityPlantDomain_cd86e16e-d561-4268-82ad-3eccfad4cf31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_TexasBasedGeneratingAssetsMember_2d51bc1d-372b-4507-b63e-1c79f95c562a" xlink:href="ceg-20211231.xsd#ceg_TexasBasedGeneratingAssetsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_cd86e16e-d561-4268-82ad-3eccfad4cf31" xlink:to="loc_ceg_TexasBasedGeneratingAssetsMember_2d51bc1d-372b-4507-b63e-1c79f95c562a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_9562cb5a-a190-40ca-a584-512f93afeaff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationTable_0059bd8f-3ee6-4155-858d-866bd1379411" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_9562cb5a-a190-40ca-a584-512f93afeaff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_59bf270b-0a55-4bab-bf87-5eee3af8c46b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9562cb5a-a190-40ca-a584-512f93afeaff" xlink:to="loc_us-gaap_SegmentDomain_59bf270b-0a55-4bab-bf87-5eee3af8c46b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_9c88cd5d-4b3f-477a-8324-a061e78a6eb9" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_59bf270b-0a55-4bab-bf87-5eee3af8c46b" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_9c88cd5d-4b3f-477a-8324-a061e78a6eb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAgencyAxis_b854627d-9106-4a7a-9916-0d17db8f6dd7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryAgencyAxis"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationTable_0059bd8f-3ee6-4155-858d-866bd1379411" xlink:to="loc_us-gaap_RegulatoryAgencyAxis_b854627d-9106-4a7a-9916-0d17db8f6dd7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAgencyDomain_3c9ff455-c3e9-4a8a-a8c3-e7c9c243aa44" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryAgencyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAgencyAxis_b854627d-9106-4a7a-9916-0d17db8f6dd7" xlink:to="loc_us-gaap_RegulatoryAgencyDomain_3c9ff455-c3e9-4a8a-a8c3-e7c9c243aa44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PublicUtilityCommissionOfTexasMember_a4efe4c0-689d-4e4c-9507-c7e6bb44b03c" xlink:href="ceg-20211231.xsd#ceg_PublicUtilityCommissionOfTexasMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RegulatoryAgencyDomain_3c9ff455-c3e9-4a8a-a8c3-e7c9c243aa44" xlink:to="loc_ceg_PublicUtilityCommissionOfTexasMember_a4efe4c0-689d-4e4c-9507-c7e6bb44b03c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationLineItems_8b56684b-f89b-495d-a6eb-7141fc28ca9a" xlink:href="ceg-20211231.xsd#ceg_RegulatoryMattersAdditionalNarrativeInformationLineItems"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationTable_0059bd8f-3ee6-4155-858d-866bd1379411" xlink:to="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationLineItems_8b56684b-f89b-495d-a6eb-7141fc28ca9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_5c78f31b-d483-48a0-bc6e-36c4fe88eb51" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationLineItems_8b56684b-f89b-495d-a6eb-7141fc28ca9a" xlink:to="loc_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount_5c78f31b-d483-48a0-bc6e-36c4fe88eb51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_69eb5274-42d7-4292-bcca-a8c302a9f0a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationLineItems_8b56684b-f89b-495d-a6eb-7141fc28ca9a" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_69eb5274-42d7-4292-bcca-a8c302a9f0a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MarketPaymentShortfallInCollections_2a5215dd-8333-4405-8d8c-ddba25f52d47" xlink:href="ceg-20211231.xsd#ceg_MarketPaymentShortfallInCollections"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationLineItems_8b56684b-f89b-495d-a6eb-7141fc28ca9a" xlink:to="loc_ceg_MarketPaymentShortfallInCollections_2a5215dd-8333-4405-8d8c-ddba25f52d47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MarketWideLimitRecoveryOfDefault_2a37c360-a95d-4108-9e2f-25a8aa21a15c" xlink:href="ceg-20211231.xsd#ceg_MarketWideLimitRecoveryOfDefault"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationLineItems_8b56684b-f89b-495d-a6eb-7141fc28ca9a" xlink:to="loc_ceg_MarketWideLimitRecoveryOfDefault_2a37c360-a95d-4108-9e2f-25a8aa21a15c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SecuritizedFundsAllocation_07914d59-b0c7-4e1d-8ee1-67d1e9136eb4" xlink:href="ceg-20211231.xsd#ceg_SecuritizedFundsAllocation"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationLineItems_8b56684b-f89b-495d-a6eb-7141fc28ca9a" xlink:to="loc_ceg_SecuritizedFundsAllocation_07914d59-b0c7-4e1d-8ee1-67d1e9136eb4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SystemWideOfferCap_f6058293-44b7-4003-92f1-804be3402e4a" xlink:href="ceg-20211231.xsd#ceg_SystemWideOfferCap"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationLineItems_8b56684b-f89b-495d-a6eb-7141fc28ca9a" xlink:to="loc_ceg_SystemWideOfferCap_f6058293-44b7-4003-92f1-804be3402e4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_c50d87bf-ad04-4ca1-a1ab-a6559e38c6d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationLineItems_8b56684b-f89b-495d-a6eb-7141fc28ca9a" xlink:to="loc_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_c50d87bf-ad04-4ca1-a1ab-a6559e38c6d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligation_f8304fa9-38c3-4fbf-beb3-afc53ed74265" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PurchaseObligation"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RegulatoryMattersAdditionalNarrativeInformationLineItems_8b56684b-f89b-495d-a6eb-7141fc28ca9a" xlink:to="loc_us-gaap_PurchaseObligation_f8304fa9-38c3-4fbf-beb3-afc53ed74265" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RevenuefromContractswithCustomers" xlink:type="simple" xlink:href="ceg-20211231.xsd#RevenuefromContractswithCustomers"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RevenuefromContractswithCustomers" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RevenueFromContractsWithCustomersAbstract_b3b69b57-6535-404a-b13d-dbfe176a4d34" xlink:href="ceg-20211231.xsd#ceg_RevenueFromContractsWithCustomersAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_d9e8cd71-c1c5-47dd-98e9-f6fa9f02ac8f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RevenueFromContractsWithCustomersAbstract_b3b69b57-6535-404a-b13d-dbfe176a4d34" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_d9e8cd71-c1c5-47dd-98e9-f6fa9f02ac8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RevenuefromContractswithCustomersTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#RevenuefromContractswithCustomersTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RevenuefromContractswithCustomersTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RevenueFromContractsWithCustomersAbstract_bd992eb0-b3f7-4b18-b965-844b777c4d50" xlink:href="ceg-20211231.xsd#ceg_RevenueFromContractsWithCustomersAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ChangeInContractWithCustomerAssetAndLiabilityTable_bec2d1ba-14b7-4f89-9816-2db2c3999853" xlink:href="ceg-20211231.xsd#ceg_ChangeInContractWithCustomerAssetAndLiabilityTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RevenueFromContractsWithCustomersAbstract_bd992eb0-b3f7-4b18-b965-844b777c4d50" xlink:to="loc_ceg_ChangeInContractWithCustomerAssetAndLiabilityTable_bec2d1ba-14b7-4f89-9816-2db2c3999853" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ContractTypeAxis_41c8c0f2-57c9-4a78-8184-27ff7ed3cada" xlink:href="ceg-20211231.xsd#ceg_ContractTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ChangeInContractWithCustomerAssetAndLiabilityTable_bec2d1ba-14b7-4f89-9816-2db2c3999853" xlink:to="loc_ceg_ContractTypeAxis_41c8c0f2-57c9-4a78-8184-27ff7ed3cada" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ContractTypeDomain_8c34c38a-a5c0-4e0c-b69a-6683ab551be7" xlink:href="ceg-20211231.xsd#ceg_ContractTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ContractTypeAxis_41c8c0f2-57c9-4a78-8184-27ff7ed3cada" xlink:to="loc_ceg_ContractTypeDomain_8c34c38a-a5c0-4e0c-b69a-6683ab551be7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ContractAssetsMember_2161d978-68de-4ea8-a5fd-07696f57a146" xlink:href="ceg-20211231.xsd#ceg_ContractAssetsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ContractTypeDomain_8c34c38a-a5c0-4e0c-b69a-6683ab551be7" xlink:to="loc_ceg_ContractAssetsMember_2161d978-68de-4ea8-a5fd-07696f57a146" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ContractLiabilitiesMember_055c64f0-27c6-451a-9428-e5d95001008d" xlink:href="ceg-20211231.xsd#ceg_ContractLiabilitiesMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ContractTypeDomain_8c34c38a-a5c0-4e0c-b69a-6683ab551be7" xlink:to="loc_ceg_ContractLiabilitiesMember_055c64f0-27c6-451a-9428-e5d95001008d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ContractAssetLiabilitiesLineItems_487e6f9c-c118-4914-92f1-3d99dc9a60b3" xlink:href="ceg-20211231.xsd#ceg_ContractAssetLiabilitiesLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ChangeInContractWithCustomerAssetAndLiabilityTable_bec2d1ba-14b7-4f89-9816-2db2c3999853" xlink:to="loc_ceg_ContractAssetLiabilitiesLineItems_487e6f9c-c118-4914-92f1-3d99dc9a60b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_6e31a276-f414-4cc0-add6-91339c382f17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ContractAssetLiabilitiesLineItems_487e6f9c-c118-4914-92f1-3d99dc9a60b3" xlink:to="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_6e31a276-f414-4cc0-add6-91339c382f17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock_b781eb1c-d236-496e-8bcd-98fa8d983ae4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ContractAssetLiabilitiesLineItems_487e6f9c-c118-4914-92f1-3d99dc9a60b3" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock_b781eb1c-d236-496e-8bcd-98fa8d983ae4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ContractWithCustomerPriorYearContractRevenuesRecognizedInCurrentYearTableTextBlock_ded05d49-bd6a-4fa6-bee0-906aa2287f63" xlink:href="ceg-20211231.xsd#ceg_ContractWithCustomerPriorYearContractRevenuesRecognizedInCurrentYearTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ContractAssetLiabilitiesLineItems_487e6f9c-c118-4914-92f1-3d99dc9a60b3" xlink:to="loc_ceg_ContractWithCustomerPriorYearContractRevenuesRecognizedInCurrentYearTableTextBlock_ded05d49-bd6a-4fa6-bee0-906aa2287f63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RevenuefromContractswithCustomersContractAssetsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#RevenuefromContractswithCustomersContractAssetsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RevenuefromContractswithCustomersContractAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInContractWithCustomerLiabilityAbstract_e991870b-285d-4481-8dda-cf5d883d1520" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ChangeInContractWithCustomerLiabilityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_3a5e6f25-8252-4645-be45-62e84cf7bf87" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInContractWithCustomerLiabilityAbstract_e991870b-285d-4481-8dda-cf5d883d1520" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_3a5e6f25-8252-4645-be45-62e84cf7bf87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_66aeaa2a-f40a-46b5-9fd0-d3673030b50e" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_3a5e6f25-8252-4645-be45-62e84cf7bf87" xlink:to="loc_dei_LegalEntityAxis_66aeaa2a-f40a-46b5-9fd0-d3673030b50e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_01396364-8b18-4a4d-b06d-23b1f197d1e8" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_66aeaa2a-f40a-46b5-9fd0-d3673030b50e" xlink:to="loc_dei_EntityDomain_01396364-8b18-4a4d-b06d-23b1f197d1e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_191d02fc-e2c5-4195-936c-3e4e451c3f02" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_01396364-8b18-4a4d-b06d-23b1f197d1e8" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_191d02fc-e2c5-4195-936c-3e4e451c3f02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_c8f5634a-b585-4a7a-94d8-d1d904ae9bd1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_3a5e6f25-8252-4645-be45-62e84cf7bf87" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_c8f5634a-b585-4a7a-94d8-d1d904ae9bd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_8e023cd8-ac84-4d1a-8c43-ef575b4a68ae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_c8f5634a-b585-4a7a-94d8-d1d904ae9bd1" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_8e023cd8-ac84-4d1a-8c43-ef575b4a68ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetReclassifiedToReceivable_69ea2f16-bcc5-44f2-9acc-97c0f28bba95" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerAssetReclassifiedToReceivable"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_c8f5634a-b585-4a7a-94d8-d1d904ae9bd1" xlink:to="loc_us-gaap_ContractWithCustomerAssetReclassifiedToReceivable_69ea2f16-bcc5-44f2-9acc-97c0f28bba95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress_2d41a437-11d0-46fd-b932-4600df7ee322" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_c8f5634a-b585-4a7a-94d8-d1d904ae9bd1" xlink:to="loc_us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress_2d41a437-11d0-46fd-b932-4600df7ee322" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_3814524e-0e7b-4a44-8ad9-4a09d764c662" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_c8f5634a-b585-4a7a-94d8-d1d904ae9bd1" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_3814524e-0e7b-4a44-8ad9-4a09d764c662" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination_d8a3d38a-26c6-4326-beab-16574ea3af1b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_c8f5634a-b585-4a7a-94d8-d1d904ae9bd1" xlink:to="loc_us-gaap_ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination_d8a3d38a-26c6-4326-beab-16574ea3af1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RevenuefromContractswithCustomerContractLiabilitiesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#RevenuefromContractswithCustomerContractLiabilitiesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RevenuefromContractswithCustomerContractLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_4e32ae5d-9790-4cfb-a010-9be8219fe04f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_54d7b399-c350-4d75-ba90-a1f227523ce6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_4e32ae5d-9790-4cfb-a010-9be8219fe04f" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_54d7b399-c350-4d75-ba90-a1f227523ce6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_714b4680-d480-4b7a-945a-d3546728380f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_54d7b399-c350-4d75-ba90-a1f227523ce6" xlink:to="loc_dei_LegalEntityAxis_714b4680-d480-4b7a-945a-d3546728380f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_fc21e137-0d70-40b5-bb97-18fade8bd051" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_714b4680-d480-4b7a-945a-d3546728380f" xlink:to="loc_dei_EntityDomain_fc21e137-0d70-40b5-bb97-18fade8bd051" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_b6f8968e-8072-44fe-8279-c3625e04a81d" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fc21e137-0d70-40b5-bb97-18fade8bd051" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_b6f8968e-8072-44fe-8279-c3625e04a81d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_4d7fe786-c80f-4fb1-a09d-a99f42bda77f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_54d7b399-c350-4d75-ba90-a1f227523ce6" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_4d7fe786-c80f-4fb1-a09d-a99f42bda77f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_f848fc70-aaa1-4970-8882-6c607af5e9d0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4d7fe786-c80f-4fb1-a09d-a99f42bda77f" xlink:to="loc_us-gaap_ContractWithCustomerLiability_f848fc70-aaa1-4970-8882-6c607af5e9d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueModificationOfContract_30e1bbad-ebf4-4a88-b0a7-e5ad98162213" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueModificationOfContract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4d7fe786-c80f-4fb1-a09d-a99f42bda77f" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueModificationOfContract_30e1bbad-ebf4-4a88-b0a7-e5ad98162213" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_5ea0ba7a-d422-42f6-ab3b-e4b1079b0b44" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4d7fe786-c80f-4fb1-a09d-a99f42bda77f" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_5ea0ba7a-d422-42f6-ab3b-e4b1079b0b44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_f85f9e12-c271-4886-a6bb-1f64c9b8b977" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4d7fe786-c80f-4fb1-a09d-a99f42bda77f" xlink:to="loc_us-gaap_ContractWithCustomerLiability_f85f9e12-c271-4886-a6bb-1f64c9b8b977" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod_a2653e92-6f48-4af0-a613-42051ca76f2b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4d7fe786-c80f-4fb1-a09d-a99f42bda77f" xlink:to="loc_us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod_a2653e92-6f48-4af0-a613-42051ca76f2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination_ff686fec-91d7-4a99-b17c-9d7c69681493" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4d7fe786-c80f-4fb1-a09d-a99f42bda77f" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination_ff686fec-91d7-4a99-b17c-9d7c69681493" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RevenuefromContractswithCustomersPerformanceObligationsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#RevenuefromContractswithCustomersPerformanceObligationsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RevenuefromContractswithCustomersPerformanceObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_a2e37b8a-5564-4bca-8f94-19b4d0d05b94" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfImpairedLongLivedAssetsHeldAndUsedTable_737c172e-9f06-4e36-9a9c-1723b7f08e3e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfImpairedLongLivedAssetsHeldAndUsedTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_a2e37b8a-5564-4bca-8f94-19b4d0d05b94" xlink:to="loc_us-gaap_ScheduleOfImpairedLongLivedAssetsHeldAndUsedTable_737c172e-9f06-4e36-9a9c-1723b7f08e3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_b341b188-3867-486e-88de-e967a76af71c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfImpairedLongLivedAssetsHeldAndUsedTable_737c172e-9f06-4e36-9a9c-1723b7f08e3e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_b341b188-3867-486e-88de-e967a76af71c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_68ab1bb9-15fc-4c2f-9c2d-b07770d91777" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfImpairedLongLivedAssetsHeldAndUsedTable_737c172e-9f06-4e36-9a9c-1723b7f08e3e" xlink:to="loc_dei_LegalEntityAxis_68ab1bb9-15fc-4c2f-9c2d-b07770d91777" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_df465f5b-e7e4-40cb-9b61-177e7bdd90a5" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_68ab1bb9-15fc-4c2f-9c2d-b07770d91777" xlink:to="loc_dei_EntityDomain_df465f5b-e7e4-40cb-9b61-177e7bdd90a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_6aabe289-1c3d-41f5-a84a-8836bc3046c5" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_df465f5b-e7e4-40cb-9b61-177e7bdd90a5" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_6aabe289-1c3d-41f5-a84a-8836bc3046c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_c975e930-963c-4f61-9a0f-ce9e2e6c2e80" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfImpairedLongLivedAssetsHeldAndUsedTable_737c172e-9f06-4e36-9a9c-1723b7f08e3e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_c975e930-963c-4f61-9a0f-ce9e2e6c2e80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_553453cc-2190-4aca-9218-890ca492d1b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_c975e930-963c-4f61-9a0f-ce9e2e6c2e80" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_553453cc-2190-4aca-9218-890ca492d1b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_9da1e3d6-9f5c-472e-a68c-b10e55369b87" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_c975e930-963c-4f61-9a0f-ce9e2e6c2e80" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_9da1e3d6-9f5c-472e-a68c-b10e55369b87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RevenuefromContractswithCustomersPerformanceObligationsDetails_1" xlink:type="simple" xlink:href="ceg-20211231.xsd#RevenuefromContractswithCustomersPerformanceObligationsDetails_1"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RevenuefromContractswithCustomersPerformanceObligationsDetails_1" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SegmentInformation" xlink:type="simple" xlink:href="ceg-20211231.xsd#SegmentInformation"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SegmentInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_8e0cf501-c3e9-405f-8288-751ed62d326b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_d54d2d43-1a19-465c-b9e3-36bc0527a3bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_8e0cf501-c3e9-405f-8288-751ed62d326b" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_d54d2d43-1a19-465c-b9e3-36bc0527a3bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SegmentInformationTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#SegmentInformationTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SegmentInformationTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_d1fad1a4-6d96-422d-90bf-87ab474361d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock_5d274150-655a-4758-a75a-5a90cf61fa02" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_d1fad1a4-6d96-422d-90bf-87ab474361d1" xlink:to="loc_us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock_5d274150-655a-4758-a75a-5a90cf61fa02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SegmentInformationNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SegmentInformationNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SegmentInformationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_976bd376-5eb8-4b64-9035-80ffe7ec2f5c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b302c2a3-c63a-4e17-91e9-75c3fb15804f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_976bd376-5eb8-4b64-9035-80ffe7ec2f5c" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b302c2a3-c63a-4e17-91e9-75c3fb15804f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_aa3ee658-4b86-4cb8-8f97-af1ccab1603f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b302c2a3-c63a-4e17-91e9-75c3fb15804f" xlink:to="loc_dei_LegalEntityAxis_aa3ee658-4b86-4cb8-8f97-af1ccab1603f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ecc32837-da85-4e94-9970-a832927ff1e8" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_aa3ee658-4b86-4cb8-8f97-af1ccab1603f" xlink:to="loc_dei_EntityDomain_ecc32837-da85-4e94-9970-a832927ff1e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_4d7c1f07-f7e6-428d-bfe5-e479760fc74c" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ecc32837-da85-4e94-9970-a832927ff1e8" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_4d7c1f07-f7e6-428d-bfe5-e479760fc74c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_db4e7e83-b578-45a4-b116-6df1c6360256" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b302c2a3-c63a-4e17-91e9-75c3fb15804f" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_db4e7e83-b578-45a4-b116-6df1c6360256" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_21f2ecb1-7682-4eb9-8100-ef887834f235" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_db4e7e83-b578-45a4-b116-6df1c6360256" xlink:to="loc_us-gaap_NumberOfReportableSegments_21f2ecb1-7682-4eb9-8100-ef887834f235" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SegmentInformationGenerationTotalRevenuesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SegmentInformationGenerationTotalRevenuesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SegmentInformationGenerationTotalRevenuesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_e51aacbf-d616-4369-9422-0f2a4b47593c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_77f957d3-cd7d-4edd-aef5-2309c7933136" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_e51aacbf-d616-4369-9422-0f2a4b47593c" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_77f957d3-cd7d-4edd-aef5-2309c7933136" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_e8b6e750-3680-465f-bac7-39f43f4c8cad" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MajorCustomersAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_77f957d3-cd7d-4edd-aef5-2309c7933136" xlink:to="loc_srt_MajorCustomersAxis_e8b6e750-3680-465f-bac7-39f43f4c8cad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_1ee92d34-2b5a-460f-b093-65243d501de8" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_MajorCustomersAxis_e8b6e750-3680-465f-bac7-39f43f4c8cad" xlink:to="loc_srt_NameOfMajorCustomerDomain_1ee92d34-2b5a-460f-b093-65243d501de8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ContractswithCustomersMember_71b450e2-7bfd-45c2-9369-c534b04f57b8" xlink:href="ceg-20211231.xsd#ceg_ContractswithCustomersMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_1ee92d34-2b5a-460f-b093-65243d501de8" xlink:to="loc_ceg_ContractswithCustomersMember_71b450e2-7bfd-45c2-9369-c534b04f57b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OtherMember_86b97441-bfb5-4576-a94f-079fa0424526" xlink:href="ceg-20211231.xsd#ceg_OtherMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_1ee92d34-2b5a-460f-b093-65243d501de8" xlink:to="loc_ceg_OtherMember_86b97441-bfb5-4576-a94f-079fa0424526" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_61a21019-4a09-436d-8a20-290f5fa74393" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_77f957d3-cd7d-4edd-aef5-2309c7933136" xlink:to="loc_srt_ConsolidationItemsAxis_61a21019-4a09-436d-8a20-290f5fa74393" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_79e7e1f8-47e5-42ff-b826-cdf8c303fb4e" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_61a21019-4a09-436d-8a20-290f5fa74393" xlink:to="loc_srt_ConsolidationItemsDomain_79e7e1f8-47e5-42ff-b826-cdf8c303fb4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_a329f755-f15e-4246-8c87-614df289104d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_79e7e1f8-47e5-42ff-b826-cdf8c303fb4e" xlink:to="loc_us-gaap_OperatingSegmentsMember_a329f755-f15e-4246-8c87-614df289104d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_6d054f46-52ef-4f4f-a834-fd0023d260ea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_79e7e1f8-47e5-42ff-b826-cdf8c303fb4e" xlink:to="loc_us-gaap_IntersegmentEliminationMember_6d054f46-52ef-4f4f-a834-fd0023d260ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_d4257adf-b59d-4d6b-93ea-6d2dc7481b34" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_79e7e1f8-47e5-42ff-b826-cdf8c303fb4e" xlink:to="loc_us-gaap_CorporateNonSegmentMember_d4257adf-b59d-4d6b-93ea-6d2dc7481b34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_05b2e8d9-c5d0-4a75-aa00-04eda37ba328" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_77f957d3-cd7d-4edd-aef5-2309c7933136" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_05b2e8d9-c5d0-4a75-aa00-04eda37ba328" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_3417baec-df3b-4edf-8f08-124493bdfca8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_05b2e8d9-c5d0-4a75-aa00-04eda37ba328" xlink:to="loc_us-gaap_SegmentDomain_3417baec-df3b-4edf-8f08-124493bdfca8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationMidAtlanticMember_9c57c99d-5c96-49ed-9bc3-df67d035ea2e" xlink:href="ceg-20211231.xsd#ceg_ConstellationMidAtlanticMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3417baec-df3b-4edf-8f08-124493bdfca8" xlink:to="loc_ceg_ConstellationMidAtlanticMember_9c57c99d-5c96-49ed-9bc3-df67d035ea2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationMidwestMember_a72b1dc0-88f2-4137-9774-f12ee85a35e9" xlink:href="ceg-20211231.xsd#ceg_ConstellationMidwestMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3417baec-df3b-4edf-8f08-124493bdfca8" xlink:to="loc_ceg_ConstellationMidwestMember_a72b1dc0-88f2-4137-9774-f12ee85a35e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationNewYorkMember_bc57eade-f8aa-4f1c-8dbf-75333b017f3f" xlink:href="ceg-20211231.xsd#ceg_ConstellationNewYorkMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3417baec-df3b-4edf-8f08-124493bdfca8" xlink:to="loc_ceg_ConstellationNewYorkMember_bc57eade-f8aa-4f1c-8dbf-75333b017f3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationERCOTMember_aa7905a7-8140-462b-bc66-58d6edb8f50f" xlink:href="ceg-20211231.xsd#ceg_ConstellationERCOTMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3417baec-df3b-4edf-8f08-124493bdfca8" xlink:to="loc_ceg_ConstellationERCOTMember_aa7905a7-8140-462b-bc66-58d6edb8f50f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationOtherRegionsMember_05419f3f-e1cc-4c30-8e55-ada1d48d9f3a" xlink:href="ceg-20211231.xsd#ceg_ConstellationOtherRegionsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3417baec-df3b-4edf-8f08-124493bdfca8" xlink:to="loc_ceg_ConstellationOtherRegionsMember_05419f3f-e1cc-4c30-8e55-ada1d48d9f3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationReportableSegmentsTotalMember_0873f374-3ff1-4c1c-9f26-97a998203de9" xlink:href="ceg-20211231.xsd#ceg_ConstellationReportableSegmentsTotalMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3417baec-df3b-4edf-8f08-124493bdfca8" xlink:to="loc_ceg_ConstellationReportableSegmentsTotalMember_0873f374-3ff1-4c1c-9f26-97a998203de9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationNaturalGasMember_9872692a-d0b0-4826-82fa-ab5db45e28b2" xlink:href="ceg-20211231.xsd#ceg_ConstellationNaturalGasMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3417baec-df3b-4edf-8f08-124493bdfca8" xlink:to="loc_ceg_ConstellationNaturalGasMember_9872692a-d0b0-4826-82fa-ab5db45e28b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationAllOtherSegmentsMember_a724b931-f26b-4645-abec-3f12d82c4486" xlink:href="ceg-20211231.xsd#ceg_ConstellationAllOtherSegmentsMember"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3417baec-df3b-4edf-8f08-124493bdfca8" xlink:to="loc_ceg_ConstellationAllOtherSegmentsMember_a724b931-f26b-4645-abec-3f12d82c4486" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationTotalConsolidatedGroupMember_17fdce49-8233-4084-a9fa-8baf7a85f019" xlink:href="ceg-20211231.xsd#ceg_ConstellationTotalConsolidatedGroupMember"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3417baec-df3b-4edf-8f08-124493bdfca8" xlink:to="loc_ceg_ConstellationTotalConsolidatedGroupMember_17fdce49-8233-4084-a9fa-8baf7a85f019" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_ad5f43da-b3b7-4dd7-9b91-4992809415f9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_77f957d3-cd7d-4edd-aef5-2309c7933136" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_ad5f43da-b3b7-4dd7-9b91-4992809415f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_e2fb16fc-20ac-4ac4-897a-326caeedd6c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_ad5f43da-b3b7-4dd7-9b91-4992809415f9" xlink:to="loc_us-gaap_Revenues_e2fb16fc-20ac-4ac4-897a-326caeedd6c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_e502b443-8044-47b2-b9c7-b7b26607320e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromRelatedParties"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_ad5f43da-b3b7-4dd7-9b91-4992809415f9" xlink:to="loc_us-gaap_RevenueFromRelatedParties_e502b443-8044-47b2-b9c7-b7b26607320e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnSecurities_583808b1-146c-448b-83ac-1ab28c13330f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnSecurities"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_ad5f43da-b3b7-4dd7-9b91-4992809415f9" xlink:to="loc_us-gaap_UnrealizedGainLossOnSecurities_583808b1-146c-448b-83ac-1ab28c13330f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SegmentInformationGenerationTotalRevenuesNetofPurchasedPowerandFuelExpenseDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SegmentInformationGenerationTotalRevenuesNetofPurchasedPowerandFuelExpenseDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SegmentInformationGenerationTotalRevenuesNetofPurchasedPowerandFuelExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_cab59c7b-f368-4673-8289-aa5228d7313d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f25a5157-51ff-4073-8591-021d6907ee06" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_cab59c7b-f368-4673-8289-aa5228d7313d" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f25a5157-51ff-4073-8591-021d6907ee06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_0ad50817-2a68-464a-88a4-1077121c8b85" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f25a5157-51ff-4073-8591-021d6907ee06" xlink:to="loc_srt_ConsolidationItemsAxis_0ad50817-2a68-464a-88a4-1077121c8b85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_57e49698-8aab-4ff4-ab7c-d90fe3a69ecf" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_0ad50817-2a68-464a-88a4-1077121c8b85" xlink:to="loc_srt_ConsolidationItemsDomain_57e49698-8aab-4ff4-ab7c-d90fe3a69ecf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_6a7534b6-ac6b-46b6-9fcb-daba8794b00c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_57e49698-8aab-4ff4-ab7c-d90fe3a69ecf" xlink:to="loc_us-gaap_OperatingSegmentsMember_6a7534b6-ac6b-46b6-9fcb-daba8794b00c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_9d341061-2192-49f5-933f-1429c5d6ca46" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_57e49698-8aab-4ff4-ab7c-d90fe3a69ecf" xlink:to="loc_us-gaap_IntersegmentEliminationMember_9d341061-2192-49f5-933f-1429c5d6ca46" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_33d39bbd-f51f-4c56-b536-6f43d6da7b4f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f25a5157-51ff-4073-8591-021d6907ee06" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_33d39bbd-f51f-4c56-b536-6f43d6da7b4f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_c739d015-190f-4f67-a07b-f2ecacfa1885" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_33d39bbd-f51f-4c56-b536-6f43d6da7b4f" xlink:to="loc_us-gaap_SegmentDomain_c739d015-190f-4f67-a07b-f2ecacfa1885" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationMidAtlanticMember_51ea2cfb-12df-44ea-bebc-dd7afc6bfb4e" xlink:href="ceg-20211231.xsd#ceg_ConstellationMidAtlanticMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_c739d015-190f-4f67-a07b-f2ecacfa1885" xlink:to="loc_ceg_ConstellationMidAtlanticMember_51ea2cfb-12df-44ea-bebc-dd7afc6bfb4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationMidwestMember_c866cdfc-ea78-4cbf-b675-fef312d35a74" xlink:href="ceg-20211231.xsd#ceg_ConstellationMidwestMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_c739d015-190f-4f67-a07b-f2ecacfa1885" xlink:to="loc_ceg_ConstellationMidwestMember_c866cdfc-ea78-4cbf-b675-fef312d35a74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationNewYorkMember_4e0fd40c-3f00-46eb-9667-ffee3015587e" xlink:href="ceg-20211231.xsd#ceg_ConstellationNewYorkMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_c739d015-190f-4f67-a07b-f2ecacfa1885" xlink:to="loc_ceg_ConstellationNewYorkMember_4e0fd40c-3f00-46eb-9667-ffee3015587e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationERCOTMember_0d053aa7-4aae-48f9-9de4-a48df031f911" xlink:href="ceg-20211231.xsd#ceg_ConstellationERCOTMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_c739d015-190f-4f67-a07b-f2ecacfa1885" xlink:to="loc_ceg_ConstellationERCOTMember_0d053aa7-4aae-48f9-9de4-a48df031f911" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationOtherRegionsMember_098d6e09-cf04-4e8a-84a1-3e151f452c2d" xlink:href="ceg-20211231.xsd#ceg_ConstellationOtherRegionsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_c739d015-190f-4f67-a07b-f2ecacfa1885" xlink:to="loc_ceg_ConstellationOtherRegionsMember_098d6e09-cf04-4e8a-84a1-3e151f452c2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationReportableSegmentsTotalMember_e39b61a7-6073-4c54-a104-be42c92b7f9a" xlink:href="ceg-20211231.xsd#ceg_ConstellationReportableSegmentsTotalMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_c739d015-190f-4f67-a07b-f2ecacfa1885" xlink:to="loc_ceg_ConstellationReportableSegmentsTotalMember_e39b61a7-6073-4c54-a104-be42c92b7f9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationAllOtherSegmentsMember_7f97089e-390a-4634-a95a-82eba9510b50" xlink:href="ceg-20211231.xsd#ceg_ConstellationAllOtherSegmentsMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_c739d015-190f-4f67-a07b-f2ecacfa1885" xlink:to="loc_ceg_ConstellationAllOtherSegmentsMember_7f97089e-390a-4634-a95a-82eba9510b50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationTotalConsolidatedGroupMember_2f7f5357-0c6b-44d6-8600-c3ef614c7411" xlink:href="ceg-20211231.xsd#ceg_ConstellationTotalConsolidatedGroupMember"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_c739d015-190f-4f67-a07b-f2ecacfa1885" xlink:to="loc_ceg_ConstellationTotalConsolidatedGroupMember_2f7f5357-0c6b-44d6-8600-c3ef614c7411" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_9a3c4bf3-bf2a-439c-a0e4-7d409aae17c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f25a5157-51ff-4073-8591-021d6907ee06" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_9a3c4bf3-bf2a-439c-a0e4-7d409aae17c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RevenueNetOfPurchasePowerAndFuelFromExternalCustomers_a2a1976a-307f-46d6-b811-46811b58bef5" xlink:href="ceg-20211231.xsd#ceg_RevenueNetOfPurchasePowerAndFuelFromExternalCustomers"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_9a3c4bf3-bf2a-439c-a0e4-7d409aae17c5" xlink:to="loc_ceg_RevenueNetOfPurchasePowerAndFuelFromExternalCustomers_a2a1976a-307f-46d6-b811-46811b58bef5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IntersegmentRevenueNetOfPurchasePowerAndFuel_db5b5982-448f-4c1e-8f6f-fba257199b4e" xlink:href="ceg-20211231.xsd#ceg_IntersegmentRevenueNetOfPurchasePowerAndFuel"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_9a3c4bf3-bf2a-439c-a0e4-7d409aae17c5" xlink:to="loc_ceg_IntersegmentRevenueNetOfPurchasePowerAndFuel_db5b5982-448f-4c1e-8f6f-fba257199b4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RevenueNetofPurchasePowerAndFuel_9ad7e661-124f-4539-862c-afa476b674e4" xlink:href="ceg-20211231.xsd#ceg_RevenueNetofPurchasePowerAndFuel"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_9a3c4bf3-bf2a-439c-a0e4-7d409aae17c5" xlink:to="loc_ceg_RevenueNetofPurchasePowerAndFuel_9ad7e661-124f-4539-862c-afa476b674e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnSecurities_4cd836c2-4849-4216-a072-9ecb25ed9af1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnSecurities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_9a3c4bf3-bf2a-439c-a0e4-7d409aae17c5" xlink:to="loc_us-gaap_UnrealizedGainLossOnSecurities_4cd836c2-4849-4216-a072-9ecb25ed9af1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearFuelAmortization_9ee69ebf-5531-491b-8377-a3190d1872b2" xlink:href="ceg-20211231.xsd#ceg_NuclearFuelAmortization"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_9a3c4bf3-bf2a-439c-a0e4-7d409aae17c5" xlink:to="loc_ceg_NuclearFuelAmortization_9ee69ebf-5531-491b-8377-a3190d1872b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AccountsReceivable" xlink:type="simple" xlink:href="ceg-20211231.xsd#AccountsReceivable"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AccountsReceivable" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditLossAbstract_97261ab6-8963-452a-b45a-fa7c1aa85926" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditLossAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_225869c0-33be-4bc1-ae61-99cd4876c823" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditLossAbstract_97261ab6-8963-452a-b45a-fa7c1aa85926" xlink:to="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_225869c0-33be-4bc1-ae61-99cd4876c823" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AccountsReceivableTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#AccountsReceivableTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AccountsReceivableTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesAbstract_5dbcbd80-76be-4a75-966e-24a1607494c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReceivablesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_4ca9ce81-89b7-4ae5-9844-e752507e76ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_5dbcbd80-76be-4a75-966e-24a1607494c7" xlink:to="loc_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_4ca9ce81-89b7-4ae5-9844-e752507e76ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PurchasesAndSalesOfAccountsReceivableTableTextBlock_2baeca2b-83ef-4ac3-af4a-80e71942186d" xlink:href="ceg-20211231.xsd#ceg_PurchasesAndSalesOfAccountsReceivableTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_5dbcbd80-76be-4a75-966e-24a1607494c7" xlink:to="loc_ceg_PurchasesAndSalesOfAccountsReceivableTableTextBlock_2baeca2b-83ef-4ac3-af4a-80e71942186d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AccountsReceivableNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#AccountsReceivableNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AccountsReceivableNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditLossAbstract_f70dd1cc-4049-4db9-80da-91fd6c636507" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditLossAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_71f253d9-b37b-4233-87db-3f3799fec167" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditLossAbstract_f70dd1cc-4049-4db9-80da-91fd6c636507" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_71f253d9-b37b-4233-87db-3f3799fec167" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_57999d3e-2158-43eb-b889-f918045257b3" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_71f253d9-b37b-4233-87db-3f3799fec167" xlink:to="loc_dei_LegalEntityAxis_57999d3e-2158-43eb-b889-f918045257b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_c1acd2bf-ffc5-4ad1-a80b-e9d70c8822a2" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_57999d3e-2158-43eb-b889-f918045257b3" xlink:to="loc_dei_EntityDomain_c1acd2bf-ffc5-4ad1-a80b-e9d70c8822a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_d36d7194-d5e7-486e-b6d9-f3ab9abef191" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c1acd2bf-ffc5-4ad1-a80b-e9d70c8822a2" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_d36d7194-d5e7-486e-b6d9-f3ab9abef191" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionTypeAxis_8ae1cd72-1194-42cb-a4af-e3cfb758819d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransactionTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_71f253d9-b37b-4233-87db-3f3799fec167" xlink:to="loc_us-gaap_TransactionTypeAxis_8ae1cd72-1194-42cb-a4af-e3cfb758819d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionDomain_7d773b4c-d41d-4a73-85c5-d33a30caacba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransactionDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransactionTypeAxis_8ae1cd72-1194-42cb-a4af-e3cfb758819d" xlink:to="loc_us-gaap_TransactionDomain_7d773b4c-d41d-4a73-85c5-d33a30caacba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SaleOfAccountsReceivableMember_abaec843-59d1-41eb-8c1f-65a47ce7e472" xlink:href="ceg-20211231.xsd#ceg_SaleOfAccountsReceivableMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransactionDomain_7d773b4c-d41d-4a73-85c5-d33a30caacba" xlink:to="loc_ceg_SaleOfAccountsReceivableMember_abaec843-59d1-41eb-8c1f-65a47ce7e472" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExpirationDateOfFacilityAxis_a808e7f6-55a3-4a6f-a405-72cf4f9ca1d3" xlink:href="ceg-20211231.xsd#ceg_ExpirationDateOfFacilityAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_71f253d9-b37b-4233-87db-3f3799fec167" xlink:to="loc_ceg_ExpirationDateOfFacilityAxis_a808e7f6-55a3-4a6f-a405-72cf4f9ca1d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExpirationDateOfFacilityDomain_5d77320a-800c-4ddd-9fda-c82336e5caea" xlink:href="ceg-20211231.xsd#ceg_ExpirationDateOfFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ExpirationDateOfFacilityAxis_a808e7f6-55a3-4a6f-a405-72cf4f9ca1d3" xlink:to="loc_ceg_ExpirationDateOfFacilityDomain_5d77320a-800c-4ddd-9fda-c82336e5caea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_March292024Member_c8b2e0f0-77c2-49f7-9f37-a46de95e4f56" xlink:href="ceg-20211231.xsd#ceg_March292024Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ExpirationDateOfFacilityDomain_5d77320a-800c-4ddd-9fda-c82336e5caea" xlink:to="loc_ceg_March292024Member_c8b2e0f0-77c2-49f7-9f37-a46de95e4f56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_April72021Member_b191b9a1-5c99-4331-8f4f-705a9f32fa0b" xlink:href="ceg-20211231.xsd#ceg_April72021Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ExpirationDateOfFacilityDomain_5d77320a-800c-4ddd-9fda-c82336e5caea" xlink:to="loc_ceg_April72021Member_b191b9a1-5c99-4331-8f4f-705a9f32fa0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2f2c001c-1983-444b-aa35-6520569756db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_71f253d9-b37b-4233-87db-3f3799fec167" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2f2c001c-1983-444b-aa35-6520569756db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnbilledContractsReceivable_a1e34e9e-77f1-43bd-b383-c717121c956d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnbilledContractsReceivable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2f2c001c-1983-444b-aa35-6520569756db" xlink:to="loc_us-gaap_UnbilledContractsReceivable_a1e34e9e-77f1-43bd-b383-c717121c956d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_de0684fc-d19b-422e-a4cc-d0cf0d6abc17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2f2c001c-1983-444b-aa35-6520569756db" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_de0684fc-d19b-422e-a4cc-d0cf0d6abc17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized_ad6464bf-89b8-4e01-9e17-a91fd29d27e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2f2c001c-1983-444b-aa35-6520569756db" xlink:to="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized_ad6464bf-89b8-4e01-9e17-a91fd29d27e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount_2a1c13c7-68aa-4101-8c4e-878c4f703395" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2f2c001c-1983-444b-aa35-6520569756db" xlink:to="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount_2a1c13c7-68aa-4101-8c4e-878c4f703395" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedInterestFairValueDisclosure_94f35d46-1a32-4add-bd0e-07cdb683a132" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedInterestFairValueDisclosure"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2f2c001c-1983-444b-aa35-6520569756db" xlink:to="loc_us-gaap_RetainedInterestFairValueDisclosure_94f35d46-1a32-4add-bd0e-07cdb683a132" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_TransferOfFinancialAssetsAccountedForAsSalesCashOutflowsReturnedForAssetsDerecognizedAmount_84eb5c32-ddbf-4371-851a-6e9c4dfe7426" xlink:href="ceg-20211231.xsd#ceg_TransferOfFinancialAssetsAccountedForAsSalesCashOutflowsReturnedForAssetsDerecognizedAmount"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_2f2c001c-1983-444b-aa35-6520569756db" xlink:to="loc_ceg_TransferOfFinancialAssetsAccountedForAsSalesCashOutflowsReturnedForAssetsDerecognizedAmount_84eb5c32-ddbf-4371-851a-6e9c4dfe7426" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AccountsReceivableAllowanceforCreditLossesRollforwardDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#AccountsReceivableAllowanceforCreditLossesRollforwardDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AccountsReceivableAllowanceforCreditLossesRollforwardDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_99a0d97f-d0a1-411e-80c0-6ca2365a0915" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_6b939a21-66f6-4688-bc55-87d8d2247fae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_99a0d97f-d0a1-411e-80c0-6ca2365a0915" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_6b939a21-66f6-4688-bc55-87d8d2247fae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_c987b4a5-bebe-4b4b-b3ef-bb60f815c5a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_6b939a21-66f6-4688-bc55-87d8d2247fae" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_c987b4a5-bebe-4b4b-b3ef-bb60f815c5a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_586fc477-1beb-4f70-8698-4100968a360a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_c987b4a5-bebe-4b4b-b3ef-bb60f815c5a5" xlink:to="loc_us-gaap_ReceivableTypeDomain_586fc477-1beb-4f70-8698-4100968a360a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeAccountsReceivableMember_c6240fc8-cfc6-4fa9-8385-48cb0fdfccea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeAccountsReceivableMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivableTypeDomain_586fc477-1beb-4f70-8698-4100968a360a" xlink:to="loc_us-gaap_TradeAccountsReceivableMember_c6240fc8-cfc6-4fa9-8385-48cb0fdfccea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_53f01c91-147a-4114-8b25-8b1728dd4b08" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_6b939a21-66f6-4688-bc55-87d8d2247fae" xlink:to="loc_dei_LegalEntityAxis_53f01c91-147a-4114-8b25-8b1728dd4b08" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_80f5bfdd-0c93-4e71-b1d3-7bee2607870d" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_53f01c91-147a-4114-8b25-8b1728dd4b08" xlink:to="loc_dei_EntityDomain_80f5bfdd-0c93-4e71-b1d3-7bee2607870d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_6bf7c944-a907-4d86-ac63-e4498e229500" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_80f5bfdd-0c93-4e71-b1d3-7bee2607870d" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_6bf7c944-a907-4d86-ac63-e4498e229500" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AccountsReceivableAllowanceForCreditLossLineItems_9d9f688e-d84b-45ba-a4a1-6735a3ff610f" xlink:href="ceg-20211231.xsd#ceg_AccountsReceivableAllowanceForCreditLossLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_6b939a21-66f6-4688-bc55-87d8d2247fae" xlink:to="loc_ceg_AccountsReceivableAllowanceForCreditLossLineItems_9d9f688e-d84b-45ba-a4a1-6735a3ff610f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_13aab724-f850-476c-8a3d-2787acb73bb6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AccountsReceivableAllowanceForCreditLossLineItems_9d9f688e-d84b-45ba-a4a1-6735a3ff610f" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_13aab724-f850-476c-8a3d-2787acb73bb6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_2654d1f9-67f2-4b17-94db-b08a4f62aa71" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AccountsReceivableAllowanceForCreditLossLineItems_9d9f688e-d84b-45ba-a4a1-6735a3ff610f" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_2654d1f9-67f2-4b17-94db-b08a4f62aa71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_a735ca80-bcc1-49a1-a6b1-b52fb16ce31a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AccountsReceivableAllowanceForCreditLossLineItems_9d9f688e-d84b-45ba-a4a1-6735a3ff610f" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_a735ca80-bcc1-49a1-a6b1-b52fb16ce31a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_c5d7afce-b6fd-4bec-8a17-e36736251515" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AccountsReceivableAllowanceForCreditLossLineItems_9d9f688e-d84b-45ba-a4a1-6735a3ff610f" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_c5d7afce-b6fd-4bec-8a17-e36736251515" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_4d66d25b-625a-4fac-8617-94cf94fb1dcf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AccountsReceivableAllowanceForCreditLossLineItems_9d9f688e-d84b-45ba-a4a1-6735a3ff610f" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_4d66d25b-625a-4fac-8617-94cf94fb1dcf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AccountsReceivablePurchasesandSalesofAccountsReceivableDetail" xlink:type="simple" xlink:href="ceg-20211231.xsd#AccountsReceivablePurchasesandSalesofAccountsReceivableDetail"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AccountsReceivablePurchasesandSalesofAccountsReceivableDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_f4de0121-687b-4817-b00c-1497512503ba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_61b92637-cbdb-4077-866f-210018937bff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract_f4de0121-687b-4817-b00c-1497512503ba" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_61b92637-cbdb-4077-866f-210018937bff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionTypeAxis_e5b72103-f73c-4ab3-9e3c-ab02995f707a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransactionTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_61b92637-cbdb-4077-866f-210018937bff" xlink:to="loc_us-gaap_TransactionTypeAxis_e5b72103-f73c-4ab3-9e3c-ab02995f707a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionDomain_8bc877f1-9f3f-41a2-9bb8-5a2f4473c4a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransactionDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransactionTypeAxis_e5b72103-f73c-4ab3-9e3c-ab02995f707a" xlink:to="loc_us-gaap_TransactionDomain_8bc877f1-9f3f-41a2-9bb8-5a2f4473c4a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SaleOfAccountsReceivableMember_134e2858-7cdf-48a4-bd81-f7476f5b8e19" xlink:href="ceg-20211231.xsd#ceg_SaleOfAccountsReceivableMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransactionDomain_8bc877f1-9f3f-41a2-9bb8-5a2f4473c4a0" xlink:to="loc_ceg_SaleOfAccountsReceivableMember_134e2858-7cdf-48a4-bd81-f7476f5b8e19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SaleOfAccountsReceivable_ThreeMonthsEndedQ12021Member_291f4f5f-f73a-43e0-bf2c-698d01b0bdbb" xlink:href="ceg-20211231.xsd#ceg_SaleOfAccountsReceivable_ThreeMonthsEndedQ12021Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransactionDomain_8bc877f1-9f3f-41a2-9bb8-5a2f4473c4a0" xlink:to="loc_ceg_SaleOfAccountsReceivable_ThreeMonthsEndedQ12021Member_291f4f5f-f73a-43e0-bf2c-698d01b0bdbb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_6bb84d43-0b01-430d-ba1d-9b2a77b382cf" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_61b92637-cbdb-4077-866f-210018937bff" xlink:to="loc_dei_LegalEntityAxis_6bb84d43-0b01-430d-ba1d-9b2a77b382cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ac84ba49-25e9-4ff8-89fa-31f241f269a7" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_6bb84d43-0b01-430d-ba1d-9b2a77b382cf" xlink:to="loc_dei_EntityDomain_ac84ba49-25e9-4ff8-89fa-31f241f269a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_bb16c671-8b5e-4f36-be33-6b5ddea72660" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ac84ba49-25e9-4ff8-89fa-31f241f269a7" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_bb16c671-8b5e-4f36-be33-6b5ddea72660" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_322b5942-c52a-438b-872e-6834340c30e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_61b92637-cbdb-4077-866f-210018937bff" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_322b5942-c52a-438b-872e-6834340c30e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_bcd6bd6a-4a14-4975-a1f8-eb1f0b1c3292" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_322b5942-c52a-438b-872e-6834340c30e4" xlink:to="loc_us-gaap_RelatedPartyDomain_bcd6bd6a-4a14-4975-a1f8-eb1f0b1c3292" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExelonUtilityRegistrantsAffiliatesMember_71cae01d-b426-4f81-bc7d-516046cce752" xlink:href="ceg-20211231.xsd#ceg_ExelonUtilityRegistrantsAffiliatesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_bcd6bd6a-4a14-4975-a1f8-eb1f0b1c3292" xlink:to="loc_ceg_ExelonUtilityRegistrantsAffiliatesMember_71cae01d-b426-4f81-bc7d-516046cce752" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_61b92637-cbdb-4077-866f-210018937bff" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized_c76fc55b-46fc-4dad-b114-4520693237fe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:to="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized_c76fc55b-46fc-4dad-b114-4520693237fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount_315e699a-fb5c-49ce-9895-b29836a741f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:to="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount_315e699a-fb5c-49ce-9895-b29836a741f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedInterestFairValueDisclosure_6cd1608f-e64b-4e2e-9baf-d5c2ea79ed81" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedInterestFairValueDisclosure"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:to="loc_us-gaap_RetainedInterestFairValueDisclosure_6cd1608f-e64b-4e2e-9baf-d5c2ea79ed81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleGainLossOnSale_0fed550d-7f95-4eeb-ab40-9b7ffa0492fc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleGainLossOnSale"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:to="loc_us-gaap_SecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleGainLossOnSale_0fed550d-7f95-4eeb-ab40-9b7ffa0492fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers_5c4ff973-1011-41f7-bbfd-ab4d9c825cf2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:to="loc_us-gaap_CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers_5c4ff973-1011-41f7-bbfd-ab4d9c825cf2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowsBetweenTransferorAndTransfereeBeneficialInterest_3fcf336d-9b5c-4b2f-9d51-6c408440644b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashFlowsBetweenTransferorAndTransfereeBeneficialInterest"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:to="loc_us-gaap_CashFlowsBetweenTransferorAndTransfereeBeneficialInterest_3fcf336d-9b5c-4b2f-9d51-6c408440644b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowsBetweenTransfereeAndTransferorProceedsFromCollectionsReinvestedInRevolvingPeriodTransfers_01b32320-42fd-4c4b-a993-5151c6f03e72" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashFlowsBetweenTransfereeAndTransferorProceedsFromCollectionsReinvestedInRevolvingPeriodTransfers"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:to="loc_us-gaap_CashFlowsBetweenTransfereeAndTransferorProceedsFromCollectionsReinvestedInRevolvingPeriodTransfers_01b32320-42fd-4c4b-a993-5151c6f03e72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_TransferOfFinancialAssetsAccountedForAsSaleAdditionalTransfers_b9e1f356-fff8-47b1-b09f-dcc621ef4afb" xlink:href="ceg-20211231.xsd#ceg_TransferOfFinancialAssetsAccountedForAsSaleAdditionalTransfers"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:to="loc_ceg_TransferOfFinancialAssetsAccountedForAsSaleAdditionalTransfers_b9e1f356-fff8-47b1-b09f-dcc621ef4afb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableSale_0af3ad56-1cb6-4c06-838e-dd07f1b26c13" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableSale"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:to="loc_us-gaap_AccountsReceivableSale_0af3ad56-1cb6-4c06-838e-dd07f1b26c13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AccountsReceivableRelatedPartiesSale_4f41319b-1a93-4013-8aac-c5c3cc0415f7" xlink:href="ceg-20211231.xsd#ceg_AccountsReceivableRelatedPartiesSale"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_0445d679-fabc-449b-a399-9bddd5c87f16" xlink:to="loc_ceg_AccountsReceivableRelatedPartiesSale_4f41319b-1a93-4013-8aac-c5c3cc0415f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/EarlyPlantRetirements" xlink:type="simple" xlink:href="ceg-20211231.xsd#EarlyPlantRetirements"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/EarlyPlantRetirements" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract_243d5e40-7ddb-4846-9c1e-868a26ffa2bc" xlink:href="ceg-20211231.xsd#ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ImplicationsOfPotentialEarlyRetirementDisclosureTextBlock_38107218-f657-4e3c-ae28-4773afeaca8e" xlink:href="ceg-20211231.xsd#ceg_ImplicationsOfPotentialEarlyRetirementDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract_243d5e40-7ddb-4846-9c1e-868a26ffa2bc" xlink:to="loc_ceg_ImplicationsOfPotentialEarlyRetirementDisclosureTextBlock_38107218-f657-4e3c-ae28-4773afeaca8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/EarlyPlantRetirementsTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#EarlyPlantRetirementsTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/EarlyPlantRetirementsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract_de1876a6-6887-4544-be98-eb75aa507bf3" xlink:href="ceg-20211231.xsd#ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_d43b600c-acc4-4e4f-9f28-067b8cbda850" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract_de1876a6-6887-4544-be98-eb75aa507bf3" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_d43b600c-acc4-4e4f-9f28-067b8cbda850" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/EarlyPlantRetirementsNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#EarlyPlantRetirementsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/EarlyPlantRetirementsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract_1dc05c58-3870-4832-87fb-50203f0d69cb" xlink:href="ceg-20211231.xsd#ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7253abb7-5160-4992-924d-fa6070cf8c3d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract_1dc05c58-3870-4832-87fb-50203f0d69cb" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7253abb7-5160-4992-924d-fa6070cf8c3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_601e8c5f-5cb5-48f1-b099-3e3b70fc6943" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7253abb7-5160-4992-924d-fa6070cf8c3d" xlink:to="loc_dei_LegalEntityAxis_601e8c5f-5cb5-48f1-b099-3e3b70fc6943" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ef803c1e-d3d7-4a46-9cc4-9bef32e718bd" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_601e8c5f-5cb5-48f1-b099-3e3b70fc6943" xlink:to="loc_dei_EntityDomain_ef803c1e-d3d7-4a46-9cc4-9bef32e718bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_7551d552-650f-413f-9b2f-5ec10ca56b7f" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ef803c1e-d3d7-4a46-9cc4-9bef32e718bd" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_7551d552-650f-413f-9b2f-5ec10ca56b7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityAxis_ab4140d3-24aa-4cfb-b567-5e6b86854d0e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7253abb7-5160-4992-924d-fa6070cf8c3d" xlink:to="loc_us-gaap_PublicUtilityAxis_ab4140d3-24aa-4cfb-b567-5e6b86854d0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilityPlantDomain_ec298321-c48d-4be7-b96d-c552209644f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityAxis_ab4140d3-24aa-4cfb-b567-5e6b86854d0e" xlink:to="loc_us-gaap_UtilityPlantDomain_ec298321-c48d-4be7-b96d-c552209644f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ByronDresdenMember_a8ceb630-07ac-4452-8a5d-8d9ab95f11f8" xlink:href="ceg-20211231.xsd#ceg_ByronDresdenMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_ec298321-c48d-4be7-b96d-c552209644f1" xlink:to="loc_ceg_ByronDresdenMember_a8ceb630-07ac-4452-8a5d-8d9ab95f11f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationNewEnglandMember_2bc2dc64-801e-4380-b1cf-ff7fc217cb53" xlink:href="ceg-20211231.xsd#ceg_ConstellationNewEnglandMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_ec298321-c48d-4be7-b96d-c552209644f1" xlink:to="loc_ceg_ConstellationNewEnglandMember_2bc2dc64-801e-4380-b1cf-ff7fc217cb53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_251060c6-5b2e-42f0-a6c4-75887a9d4437" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7253abb7-5160-4992-924d-fa6070cf8c3d" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_251060c6-5b2e-42f0-a6c4-75887a9d4437" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_2e7bf97c-cb9b-4876-9daf-e36310a06a22" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_251060c6-5b2e-42f0-a6c4-75887a9d4437" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_2e7bf97c-cb9b-4876-9daf-e36310a06a22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FacilityClosingMember_da6269b1-56da-4d48-9f89-d840b20499a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FacilityClosingMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_2e7bf97c-cb9b-4876-9daf-e36310a06a22" xlink:to="loc_us-gaap_FacilityClosingMember_da6269b1-56da-4d48-9f89-d840b20499a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_b1169b6e-93d6-4bd0-9eaa-c0c903383308" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7253abb7-5160-4992-924d-fa6070cf8c3d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentLineItems_b1169b6e-93d6-4bd0-9eaa-c0c903383308" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CarbonMitigationCredit_1d453ed9-09bc-49ec-b8c0-4c07a34e1654" xlink:href="ceg-20211231.xsd#ceg_CarbonMitigationCredit"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_b1169b6e-93d6-4bd0-9eaa-c0c903383308" xlink:to="loc_ceg_CarbonMitigationCredit_1d453ed9-09bc-49ec-b8c0-4c07a34e1654" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeveranceCosts1_9aa7847f-8e2a-4a9b-972b-451c92556cb0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeveranceCosts1"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_b1169b6e-93d6-4bd0-9eaa-c0c903383308" xlink:to="loc_us-gaap_SeveranceCosts1_9aa7847f-8e2a-4a9b-972b-451c92556cb0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationRevisionOfEstimate_f61d6672-7482-41dc-a7c4-8ab0ca954327" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationRevisionOfEstimate"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_b1169b6e-93d6-4bd0-9eaa-c0c903383308" xlink:to="loc_us-gaap_AssetRetirementObligationRevisionOfEstimate_f61d6672-7482-41dc-a7c4-8ab0ca954327" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_9d62f38f-aead-4d17-93f9-bc1a4514e0fe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingExpenses"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_b1169b6e-93d6-4bd0-9eaa-c0c903383308" xlink:to="loc_us-gaap_OperatingExpenses_9d62f38f-aead-4d17-93f9-bc1a4514e0fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_ab8a9c3c-c7cc-4a37-b1e9-c380c67656d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_b1169b6e-93d6-4bd0-9eaa-c0c903383308" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_ab8a9c3c-c7cc-4a37-b1e9-c380c67656d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/EarlyPlantRetirementsPretaxExpenseDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#EarlyPlantRetirementsPretaxExpenseDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/EarlyPlantRetirementsPretaxExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract_5cac7dc5-52ec-4569-bc68-135630bde47d" xlink:href="ceg-20211231.xsd#ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_a7eabcc1-5a78-4c71-9c80-499014df7ed6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ImplicationsofPotentialEarlyPlantRetirementsAbstract_5cac7dc5-52ec-4569-bc68-135630bde47d" xlink:to="loc_us-gaap_StatementTable_a7eabcc1-5a78-4c71-9c80-499014df7ed6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_3c31cc36-ff0e-4e0b-b75c-5541a8df8047" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_a7eabcc1-5a78-4c71-9c80-499014df7ed6" xlink:to="loc_dei_LegalEntityAxis_3c31cc36-ff0e-4e0b-b75c-5541a8df8047" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ca6b78d7-6517-4629-aa41-1fb82737fa38" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_3c31cc36-ff0e-4e0b-b75c-5541a8df8047" xlink:to="loc_dei_EntityDomain_ca6b78d7-6517-4629-aa41-1fb82737fa38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_0403b8c2-ef1d-498c-8f1a-5e032221e6ed" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ca6b78d7-6517-4629-aa41-1fb82737fa38" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_0403b8c2-ef1d-498c-8f1a-5e032221e6ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_62d66cba-7267-409c-9f09-13cee82a8e9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_a7eabcc1-5a78-4c71-9c80-499014df7ed6" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_62d66cba-7267-409c-9f09-13cee82a8e9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_0476a039-2ff8-4f90-b2e5-0ce8c3f8e9e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_62d66cba-7267-409c-9f09-13cee82a8e9f" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_0476a039-2ff8-4f90-b2e5-0ce8c3f8e9e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FacilityClosingMember_7c2bd33d-0d7e-4eaf-8cc2-61f58f34776b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FacilityClosingMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_0476a039-2ff8-4f90-b2e5-0ce8c3f8e9e6" xlink:to="loc_us-gaap_FacilityClosingMember_7c2bd33d-0d7e-4eaf-8cc2-61f58f34776b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityAxis_e3da93a9-144d-4558-8d50-5670c1e7e334" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilityAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_a7eabcc1-5a78-4c71-9c80-499014df7ed6" xlink:to="loc_us-gaap_PublicUtilityAxis_e3da93a9-144d-4558-8d50-5670c1e7e334" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilityPlantDomain_ae0906e1-96f3-48b6-b003-2dfc87ec339c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityAxis_e3da93a9-144d-4558-8d50-5670c1e7e334" xlink:to="loc_us-gaap_UtilityPlantDomain_ae0906e1-96f3-48b6-b003-2dfc87ec339c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ByronDresdenMember_07fb97e7-02bb-4176-a568-efa70b125fa6" xlink:href="ceg-20211231.xsd#ceg_ByronDresdenMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_ae0906e1-96f3-48b6-b003-2dfc87ec339c" xlink:to="loc_ceg_ByronDresdenMember_07fb97e7-02bb-4176-a568-efa70b125fa6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ThreeMileIslandMember_1b4348c7-c4a4-4cf6-bf3f-ad2310578184" xlink:href="ceg-20211231.xsd#ceg_ThreeMileIslandMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_ae0906e1-96f3-48b6-b003-2dfc87ec339c" xlink:to="loc_ceg_ThreeMileIslandMember_1b4348c7-c4a4-4cf6-bf3f-ad2310578184" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_30c9333b-32dd-43cf-a6ae-a074f47be90a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_a7eabcc1-5a78-4c71-9c80-499014df7ed6" xlink:to="loc_us-gaap_StatementLineItems_30c9333b-32dd-43cf-a6ae-a074f47be90a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveAcceleratedDepreciation_7ccf6aac-27b1-4b6a-8092-47d9de0b7bfd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringReserveAcceleratedDepreciation"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_30c9333b-32dd-43cf-a6ae-a074f47be90a" xlink:to="loc_us-gaap_RestructuringReserveAcceleratedDepreciation_7ccf6aac-27b1-4b6a-8092-47d9de0b7bfd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearFuelAmortization_ae60abaf-9c5e-4346-9e84-a1756cfff3e3" xlink:href="ceg-20211231.xsd#ceg_NuclearFuelAmortization"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_30c9333b-32dd-43cf-a6ae-a074f47be90a" xlink:to="loc_ceg_NuclearFuelAmortization_ae60abaf-9c5e-4346-9e84-a1756cfff3e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_f10c37cf-3ec6-4b0b-8ae2-33e34c69ddae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_30c9333b-32dd-43cf-a6ae-a074f47be90a" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_f10c37cf-3ec6-4b0b-8ae2-33e34c69ddae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationRevisionOfEstimate_6d0fde1e-da82-4110-86e9-b4fb5ebc737e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationRevisionOfEstimate"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_30c9333b-32dd-43cf-a6ae-a074f47be90a" xlink:to="loc_us-gaap_AssetRetirementObligationRevisionOfEstimate_6d0fde1e-da82-4110-86e9-b4fb5ebc737e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AssetRetirementObligationContractualOffset_690ebb29-1e22-4645-9f08-0c0d7f271dac" xlink:href="ceg-20211231.xsd#ceg_AssetRetirementObligationContractualOffset"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_30c9333b-32dd-43cf-a6ae-a074f47be90a" xlink:to="loc_ceg_AssetRetirementObligationContractualOffset_690ebb29-1e22-4645-9f08-0c0d7f271dac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostIncurredCost_c7e75b31-3d83-4c1a-8f46-cd211243ee52" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringAndRelatedCostIncurredCost"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_30c9333b-32dd-43cf-a6ae-a074f47be90a" xlink:to="loc_us-gaap_RestructuringAndRelatedCostIncurredCost_c7e75b31-3d83-4c1a-8f46-cd211243ee52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/PropertyPlantandEquipment" xlink:type="simple" xlink:href="ceg-20211231.xsd#PropertyPlantandEquipment"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/PropertyPlantandEquipment" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_a30ae595-14cb-454d-9320-00684899e4a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_47ccd488-b9e3-42c6-b579-a2d124645ab2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_a30ae595-14cb-454d-9320-00684899e4a3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_47ccd488-b9e3-42c6-b579-a2d124645ab2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/PropertyPlantandEquipmentTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#PropertyPlantandEquipmentTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/PropertyPlantandEquipmentTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_763308e2-27fe-4c19-81ab-c1958b985bcc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_89069850-1f02-49b5-abac-47e6a1f86cfc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_763308e2-27fe-4c19-81ab-c1958b985bcc" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_89069850-1f02-49b5-abac-47e6a1f86cfc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/PropertyPlantandEquipmentNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#PropertyPlantandEquipmentNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/PropertyPlantandEquipmentNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_fe5afb18-e958-4728-b180-72678d8da819" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_52c6f039-017c-43f0-a66d-20799af08f9a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_fe5afb18-e958-4728-b180-72678d8da819" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_52c6f039-017c-43f0-a66d-20799af08f9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_5b2cda89-7e26-4863-b707-044684b91cda" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_52c6f039-017c-43f0-a66d-20799af08f9a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_5b2cda89-7e26-4863-b707-044684b91cda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_b767ca75-ee93-4256-856b-abed115aaea8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_5b2cda89-7e26-4863-b707-044684b91cda" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_b767ca75-ee93-4256-856b-abed115aaea8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ElectricGenerationEquipmentMember_b7f89f95-2911-44cd-9025-e1887ab4a0d7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ElectricGenerationEquipmentMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_b767ca75-ee93-4256-856b-abed115aaea8" xlink:to="loc_us-gaap_ElectricGenerationEquipmentMember_b7f89f95-2911-44cd-9025-e1887ab4a0d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NuclearFuelMember_359d6706-ea6f-46e7-83f8-4d58ca5ff149" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NuclearFuelMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_b767ca75-ee93-4256-856b-abed115aaea8" xlink:to="loc_us-gaap_NuclearFuelMember_359d6706-ea6f-46e7-83f8-4d58ca5ff149" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_ae0d00af-310d-4cbf-818e-f9ca4a9f5207" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_b767ca75-ee93-4256-856b-abed115aaea8" xlink:to="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_ae0d00af-310d-4cbf-818e-f9ca4a9f5207" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_647b64d1-e531-49c5-9d89-d7901314e821" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_52c6f039-017c-43f0-a66d-20799af08f9a" xlink:to="loc_dei_LegalEntityAxis_647b64d1-e531-49c5-9d89-d7901314e821" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_48bdd7f0-cb1c-45f5-bec8-d8f1736795ed" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_647b64d1-e531-49c5-9d89-d7901314e821" xlink:to="loc_dei_EntityDomain_48bdd7f0-cb1c-45f5-bec8-d8f1736795ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_7a797e34-26cc-47cf-a1de-1bc62ae71737" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_48bdd7f0-cb1c-45f5-bec8-d8f1736795ed" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_7a797e34-26cc-47cf-a1de-1bc62ae71737" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_30dff72e-5423-47d0-b6ca-896c75d114ae" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_52c6f039-017c-43f0-a66d-20799af08f9a" xlink:to="loc_srt_RangeAxis_30dff72e-5423-47d0-b6ca-896c75d114ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_0719647b-2c85-42b5-8b23-f7a7797e911c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_30dff72e-5423-47d0-b6ca-896c75d114ae" xlink:to="loc_srt_RangeMember_0719647b-2c85-42b5-8b23-f7a7797e911c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_5f7b99ba-e4dd-4ccf-b1ff-9a0d8059a86c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_0719647b-2c85-42b5-8b23-f7a7797e911c" xlink:to="loc_srt_MinimumMember_5f7b99ba-e4dd-4ccf-b1ff-9a0d8059a86c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_93c82a42-75c3-4e2c-92fb-83c7b60513e6" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_0719647b-2c85-42b5-8b23-f7a7797e911c" xlink:to="loc_srt_MaximumMember_93c82a42-75c3-4e2c-92fb-83c7b60513e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_3461e349-d1e1-43d6-b96b-2925a4c08011" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_52c6f039-017c-43f0-a66d-20799af08f9a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentLineItems_3461e349-d1e1-43d6-b96b-2925a4c08011" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PropertyPlantAndEquipmentDepreciationAsPercentOfAverageServiceLifeRate_205808d9-b078-41c6-8760-71359cdc03d2" xlink:href="ceg-20211231.xsd#ceg_PropertyPlantAndEquipmentDepreciationAsPercentOfAverageServiceLifeRate"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_3461e349-d1e1-43d6-b96b-2925a4c08011" xlink:to="loc_ceg_PropertyPlantAndEquipmentDepreciationAsPercentOfAverageServiceLifeRate_205808d9-b078-41c6-8760-71359cdc03d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestCostsCapitalized_c4670ccf-bf60-4a14-a830-79b47392f38f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestCostsCapitalized"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_3461e349-d1e1-43d6-b96b-2925a4c08011" xlink:to="loc_us-gaap_InterestCostsCapitalized_c4670ccf-bf60-4a14-a830-79b47392f38f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_5b564eff-dcc4-4814-a591-c7fedd83f997" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_3461e349-d1e1-43d6-b96b-2925a4c08011" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_5b564eff-dcc4-4814-a591-c7fedd83f997" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/PropertyPlantandEquipmentSummaryofPropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#PropertyPlantandEquipmentSummaryofPropertyPlantandEquipmentDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/PropertyPlantandEquipmentSummaryofPropertyPlantandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_b2a3fd23-0a53-49d5-b59f-37849e6cd237" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_e171127c-b507-4d00-949a-2e85804dc855" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_b2a3fd23-0a53-49d5-b59f-37849e6cd237" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_e171127c-b507-4d00-949a-2e85804dc855" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_144accea-5f16-4526-a5c9-1c4692dd245c" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_e171127c-b507-4d00-949a-2e85804dc855" xlink:to="loc_dei_LegalEntityAxis_144accea-5f16-4526-a5c9-1c4692dd245c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7443c2f4-3171-4cd0-8240-58c4d150e2a0" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_144accea-5f16-4526-a5c9-1c4692dd245c" xlink:to="loc_dei_EntityDomain_7443c2f4-3171-4cd0-8240-58c4d150e2a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_b2805558-0ba7-4746-a12b-cf3579e7f790" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7443c2f4-3171-4cd0-8240-58c4d150e2a0" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_b2805558-0ba7-4746-a12b-cf3579e7f790" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_c698cf15-c86c-4ef5-8e99-c95d3ef2ddd8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_e171127c-b507-4d00-949a-2e85804dc855" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_c698cf15-c86c-4ef5-8e99-c95d3ef2ddd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e9c2730f-2228-4e1d-ad65-46a82efc7eb1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_c698cf15-c86c-4ef5-8e99-c95d3ef2ddd8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e9c2730f-2228-4e1d-ad65-46a82efc7eb1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ElectricGenerationEquipmentMember_2b7aa876-d60e-4d34-9cfa-66b19cba9378" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ElectricGenerationEquipmentMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e9c2730f-2228-4e1d-ad65-46a82efc7eb1" xlink:to="loc_us-gaap_ElectricGenerationEquipmentMember_2b7aa876-d60e-4d34-9cfa-66b19cba9378" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NuclearFuelMember_fbf714ca-8de4-4f0e-8215-5eb76e298986" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NuclearFuelMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e9c2730f-2228-4e1d-ad65-46a82efc7eb1" xlink:to="loc_us-gaap_NuclearFuelMember_fbf714ca-8de4-4f0e-8215-5eb76e298986" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_e8bbe74a-6523-4e22-8b55-5409b3b67f61" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e9c2730f-2228-4e1d-ad65-46a82efc7eb1" xlink:to="loc_us-gaap_ConstructionInProgressMember_e8bbe74a-6523-4e22-8b55-5409b3b67f61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_900cbfc6-c102-4084-b7dd-e43c79afb4bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e9c2730f-2228-4e1d-ad65-46a82efc7eb1" xlink:to="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_900cbfc6-c102-4084-b7dd-e43c79afb4bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fc496327-f733-4783-a1a4-da9a66c3d7a7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_e171127c-b507-4d00-949a-2e85804dc855" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fc496327-f733-4783-a1a4-da9a66c3d7a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_e21f3b70-5eed-40ad-8736-e8b513ba0e31" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fc496327-f733-4783-a1a4-da9a66c3d7a7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_e21f3b70-5eed-40ad-8736-e8b513ba0e31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_739be3ac-a1bd-41ec-a04a-276686a8d2ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fc496327-f733-4783-a1a4-da9a66c3d7a7" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_739be3ac-a1bd-41ec-a04a-276686a8d2ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_db4db84e-ece2-4d6e-b8ff-5510f7895715" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fc496327-f733-4783-a1a4-da9a66c3d7a7" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_db4db84e-ece2-4d6e-b8ff-5510f7895715" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearFuelFabricationAndInstallationStage_fe139803-9bc9-4edd-872a-f3cb103d665e" xlink:href="ceg-20211231.xsd#ceg_NuclearFuelFabricationAndInstallationStage"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fc496327-f733-4783-a1a4-da9a66c3d7a7" xlink:to="loc_ceg_NuclearFuelFabricationAndInstallationStage_fe139803-9bc9-4edd-872a-f3cb103d665e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/JointlyOwnedElectricUtilityPlant" xlink:type="simple" xlink:href="ceg-20211231.xsd#JointlyOwnedElectricUtilityPlant"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/JointlyOwnedElectricUtilityPlant" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_331b2dfe-e68f-4b60-8947-3da5d349afeb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_Scheduleofjointlyownedelectricutilityplanttextblock_957d0ca2-6b45-4fc9-9317-ecf7fab5cec4" xlink:href="ceg-20211231.xsd#ceg_Scheduleofjointlyownedelectricutilityplanttextblock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_331b2dfe-e68f-4b60-8947-3da5d349afeb" xlink:to="loc_ceg_Scheduleofjointlyownedelectricutilityplanttextblock_957d0ca2-6b45-4fc9-9317-ecf7fab5cec4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/JointlyOwnedElectricUtilityPlantTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#JointlyOwnedElectricUtilityPlantTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/JointlyOwnedElectricUtilityPlantTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_41ca9a71-813e-433a-ba87-808bfdf73f5f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfJointlyOwnedUtilityPlantsTextBlock_5ca71625-87c2-4c53-b682-d6645bfe686f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfJointlyOwnedUtilityPlantsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_41ca9a71-813e-433a-ba87-808bfdf73f5f" xlink:to="loc_us-gaap_ScheduleOfJointlyOwnedUtilityPlantsTextBlock_5ca71625-87c2-4c53-b682-d6645bfe686f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/JointlyOwnedElectricUtilityPlantOwnershipInterestsinJointlyOwnedElectricPlantsandTransmissionFacilitiesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#JointlyOwnedElectricUtilityPlantOwnershipInterestsinJointlyOwnedElectricPlantsandTransmissionFacilitiesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/JointlyOwnedElectricUtilityPlantOwnershipInterestsinJointlyOwnedElectricPlantsandTransmissionFacilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_2a8e0768-40b1-4ee4-9ea2-12369a749fde" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantInterestsTable_90164ef1-e789-42c4-b581-1489a2c8e513" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantInterestsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_2a8e0768-40b1-4ee4-9ea2-12369a749fde" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantInterestsTable_90164ef1-e789-42c4-b581-1489a2c8e513" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_1eedf425-331c-4ab2-b5be-ef2e9e22a9d6" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantInterestsTable_90164ef1-e789-42c4-b581-1489a2c8e513" xlink:to="loc_dei_LegalEntityAxis_1eedf425-331c-4ab2-b5be-ef2e9e22a9d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_5145b6e4-c0ae-4483-99a8-baf1a5d0794a" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_1eedf425-331c-4ab2-b5be-ef2e9e22a9d6" xlink:to="loc_dei_EntityDomain_5145b6e4-c0ae-4483-99a8-baf1a5d0794a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_e18b28dd-9574-46ba-b1f3-ab9d870f0028" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5145b6e4-c0ae-4483-99a8-baf1a5d0794a" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_e18b28dd-9574-46ba-b1f3-ab9d870f0028" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantAxis_7d1f6f30-79d2-4afb-b649-60d91fd30359" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantInterestsTable_90164ef1-e789-42c4-b581-1489a2c8e513" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantAxis_7d1f6f30-79d2-4afb-b649-60d91fd30359" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantDomain_e06ac063-5eec-4f35-ab7a-080867e1ead8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantAxis_7d1f6f30-79d2-4afb-b649-60d91fd30359" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantDomain_e06ac063-5eec-4f35-ab7a-080867e1ead8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JointlyOwnedNuclearPowerPlantMember_aec5ebc1-8bd2-4a55-8101-9dadb4deb969" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_JointlyOwnedNuclearPowerPlantMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantDomain_e06ac063-5eec-4f35-ab7a-080867e1ead8" xlink:to="loc_us-gaap_JointlyOwnedNuclearPowerPlantMember_aec5ebc1-8bd2-4a55-8101-9dadb4deb969" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityAxis_3918b242-cf1c-492c-8b43-16e91e57f269" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilityAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantInterestsTable_90164ef1-e789-42c4-b581-1489a2c8e513" xlink:to="loc_us-gaap_PublicUtilityAxis_3918b242-cf1c-492c-8b43-16e91e57f269" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilityPlantDomain_da10e002-0d38-4762-a7fe-17141c202858" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityAxis_3918b242-cf1c-492c-8b43-16e91e57f269" xlink:to="loc_us-gaap_UtilityPlantDomain_da10e002-0d38-4762-a7fe-17141c202858" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_QuadCitiesMember_6726637a-a829-4dcf-9ada-a11fd17d56c5" xlink:href="ceg-20211231.xsd#ceg_QuadCitiesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_da10e002-0d38-4762-a7fe-17141c202858" xlink:to="loc_ceg_QuadCitiesMember_6726637a-a829-4dcf-9ada-a11fd17d56c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PeachBottomMember_bce0f322-3d15-4a09-a5f8-869e7866feba" xlink:href="ceg-20211231.xsd#ceg_PeachBottomMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_da10e002-0d38-4762-a7fe-17141c202858" xlink:to="loc_ceg_PeachBottomMember_bce0f322-3d15-4a09-a5f8-869e7866feba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SalemMember_1d9e9e07-b49b-45ba-ae96-80cbe24a854c" xlink:href="ceg-20211231.xsd#ceg_SalemMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_da10e002-0d38-4762-a7fe-17141c202858" xlink:to="loc_ceg_SalemMember_1d9e9e07-b49b-45ba-ae96-80cbe24a854c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NineMilePointMember_8d9ba088-90d8-4d66-967c-ce6e8a63f59f" xlink:href="ceg-20211231.xsd#ceg_NineMilePointMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_da10e002-0d38-4762-a7fe-17141c202858" xlink:to="loc_ceg_NineMilePointMember_8d9ba088-90d8-4d66-967c-ce6e8a63f59f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems_35d1dc39-0a98-422e-82ae-d265156fba6b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantInterestsLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantInterestsTable_90164ef1-e789-42c4-b581-1489a2c8e513" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems_35d1dc39-0a98-422e-82ae-d265156fba6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmountAbstract_e860f93d-e81a-43f3-a3c4-a2bfc419fee3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmountAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems_35d1dc39-0a98-422e-82ae-d265156fba6b" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmountAbstract_e860f93d-e81a-43f3-a3c4-a2bfc419fee3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare_1766a109-5cfc-4f38-ad02-7d49075a771c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmountAbstract_e860f93d-e81a-43f3-a3c4-a2bfc419fee3" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare_1766a109-5cfc-4f38-ad02-7d49075a771c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService_96347cad-8021-4918-93b8-5752168b2fbe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmountAbstract_e860f93d-e81a-43f3-a3c4-a2bfc419fee3" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService_96347cad-8021-4918-93b8-5752168b2fbe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation_6736e615-14eb-4fa1-b36c-4901cd9a15e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmountAbstract_e860f93d-e81a-43f3-a3c4-a2bfc419fee3" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation_6736e615-14eb-4fa1-b36c-4901cd9a15e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress_30ae80cc-7a12-47ae-82a7-e41caf5f78ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmountAbstract_e860f93d-e81a-43f3-a3c4-a2bfc419fee3" xlink:to="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress_30ae80cc-7a12-47ae-82a7-e41caf5f78ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AssetRetirementObligations" xlink:type="simple" xlink:href="ceg-20211231.xsd#AssetRetirementObligations"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AssetRetirementObligations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationDisclosureAbstract_3620046c-d638-4fdd-8ec3-0d36f1c59342" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationDisclosureTextBlock_93f7eda8-61a0-48a1-bd35-9bc492f0352d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationDisclosureAbstract_3620046c-d638-4fdd-8ec3-0d36f1c59342" xlink:to="loc_us-gaap_AssetRetirementObligationDisclosureTextBlock_93f7eda8-61a0-48a1-bd35-9bc492f0352d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AssetRetirementObligationsTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#AssetRetirementObligationsTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AssetRetirementObligationsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationDisclosureAbstract_d74d90a3-06b5-4f78-a8aa-0592c8a75ca1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock_7c26302e-d102-444e-8ae4-d89e49136611" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationDisclosureAbstract_d74d90a3-06b5-4f78-a8aa-0592c8a75ca1" xlink:to="loc_us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock_7c26302e-d102-444e-8ae4-d89e49136611" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AssetRetirementObligationsNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#AssetRetirementObligationsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AssetRetirementObligationsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationDisclosureAbstract_f670b1a4-d144-442d-8778-1f70e6ea5d05" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AssetRetirementObligationsTable_8cd42170-cda2-4e9b-8d91-4a43268f0138" xlink:href="ceg-20211231.xsd#ceg_AssetRetirementObligationsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationDisclosureAbstract_f670b1a4-d144-442d-8778-1f70e6ea5d05" xlink:to="loc_ceg_AssetRetirementObligationsTable_8cd42170-cda2-4e9b-8d91-4a43268f0138" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_57422ef5-b317-4c58-bb2e-d42c835cb02e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsTable_8cd42170-cda2-4e9b-8d91-4a43268f0138" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_57422ef5-b317-4c58-bb2e-d42c835cb02e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_2e35a346-9c8c-4991-a98c-d78aa48a2999" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_57422ef5-b317-4c58-bb2e-d42c835cb02e" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_2e35a346-9c8c-4991-a98c-d78aa48a2999" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenseMember_a33060a1-5379-4325-b5e6-766bff65f13e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingExpenseMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2e35a346-9c8c-4991-a98c-d78aa48a2999" xlink:to="loc_us-gaap_OperatingExpenseMember_a33060a1-5379-4325-b5e6-766bff65f13e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_e734b557-f9e4-44b1-871d-b159742abb95" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByAssetClassAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsTable_8cd42170-cda2-4e9b-8d91-4a43268f0138" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_e734b557-f9e4-44b1-871d-b159742abb95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b95f8c5b-993b-4944-9324-0253a0c9c5a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_e734b557-f9e4-44b1-871d-b159742abb95" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b95f8c5b-993b-4944-9324-0253a0c9c5a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_3439ee4c-b2aa-4085-bfb3-81c2ddd46e5f" xlink:href="ceg-20211231.xsd#ceg_NuclearDecommissioningTrustFundInvestmentsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b95f8c5b-993b-4944-9324-0253a0c9c5a5" xlink:to="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_3439ee4c-b2aa-4085-bfb3-81c2ddd46e5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsTotalMember_bfe25ada-81bd-4d7e-97b1-dda342a50115" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsTotalMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b95f8c5b-993b-4944-9324-0253a0c9c5a5" xlink:to="loc_us-gaap_AssetsTotalMember_bfe25ada-81bd-4d7e-97b1-dda342a50115" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCurrentAssetsMember_2ef88edb-48bb-47cd-b34a-da00364a554e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCurrentAssetsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_b95f8c5b-993b-4944-9324-0253a0c9c5a5" xlink:to="loc_us-gaap_OtherCurrentAssetsMember_2ef88edb-48bb-47cd-b34a-da00364a554e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityAxis_8dfab781-5489-4a77-b8d2-daf4d21b0631" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilityAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsTable_8cd42170-cda2-4e9b-8d91-4a43268f0138" xlink:to="loc_us-gaap_PublicUtilityAxis_8dfab781-5489-4a77-b8d2-daf4d21b0631" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilityPlantDomain_9bda9995-e174-42c8-912e-fe5f4464eda4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityAxis_8dfab781-5489-4a77-b8d2-daf4d21b0631" xlink:to="loc_us-gaap_UtilityPlantDomain_9bda9995-e174-42c8-912e-fe5f4464eda4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearDecommissioningMember_47af3f27-9edb-4d83-bf2f-aba2a526b845" xlink:href="ceg-20211231.xsd#ceg_NuclearDecommissioningMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_9bda9995-e174-42c8-912e-fe5f4464eda4" xlink:to="loc_ceg_NuclearDecommissioningMember_47af3f27-9edb-4d83-bf2f-aba2a526b845" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NineMilePointMember_fc006e41-fde2-4b52-b1e6-8047a4fae014" xlink:href="ceg-20211231.xsd#ceg_NineMilePointMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_9bda9995-e174-42c8-912e-fe5f4464eda4" xlink:to="loc_ceg_NineMilePointMember_fc006e41-fde2-4b52-b1e6-8047a4fae014" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ZionStationMember_7c7c0ff2-1106-4965-9fd6-0f0910b179d2" xlink:href="ceg-20211231.xsd#ceg_ZionStationMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_9bda9995-e174-42c8-912e-fe5f4464eda4" xlink:to="loc_ceg_ZionStationMember_7c7c0ff2-1106-4965-9fd6-0f0910b179d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonnuclearDecommissioningAssetRetirementObligationMember_80189a55-7df7-4e9d-acbd-94388ba9d212" xlink:href="ceg-20211231.xsd#ceg_NonnuclearDecommissioningAssetRetirementObligationMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_9bda9995-e174-42c8-912e-fe5f4464eda4" xlink:to="loc_ceg_NonnuclearDecommissioningAssetRetirementObligationMember_80189a55-7df7-4e9d-acbd-94388ba9d212" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearDecommissioningByronMember_db218d38-befa-49c2-b754-cf8859d5949f" xlink:href="ceg-20211231.xsd#ceg_NuclearDecommissioningByronMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_9bda9995-e174-42c8-912e-fe5f4464eda4" xlink:to="loc_ceg_NuclearDecommissioningByronMember_db218d38-befa-49c2-b754-cf8859d5949f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_c59ecc7e-d927-4d11-9e47-54b7bba3e63f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsTable_8cd42170-cda2-4e9b-8d91-4a43268f0138" xlink:to="loc_dei_LegalEntityAxis_c59ecc7e-d927-4d11-9e47-54b7bba3e63f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_4bd717e6-31d3-4a0c-bebd-e7ed47006108" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_c59ecc7e-d927-4d11-9e47-54b7bba3e63f" xlink:to="loc_dei_EntityDomain_4bd717e6-31d3-4a0c-bebd-e7ed47006108" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_744caa54-5446-401c-b6b5-00c1e8d9bb4e" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4bd717e6-31d3-4a0c-bebd-e7ed47006108" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_744caa54-5446-401c-b6b5-00c1e8d9bb4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PecoEnergyCoMember_68162ba0-08da-4729-9cc1-0d91f1873e33" xlink:href="ceg-20211231.xsd#ceg_PecoEnergyCoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4bd717e6-31d3-4a0c-bebd-e7ed47006108" xlink:to="loc_ceg_PecoEnergyCoMember_68162ba0-08da-4729-9cc1-0d91f1873e33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_f6a2ff7c-df71-40ae-bf13-a28eeadcc9a0" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsTable_8cd42170-cda2-4e9b-8d91-4a43268f0138" xlink:to="loc_srt_RangeAxis_f6a2ff7c-df71-40ae-bf13-a28eeadcc9a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_34ea3259-c795-4d93-b6b6-526cd457b660" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_f6a2ff7c-df71-40ae-bf13-a28eeadcc9a0" xlink:to="loc_srt_RangeMember_34ea3259-c795-4d93-b6b6-526cd457b660" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_c9562e29-d970-4885-ba7e-dc22d82e314b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_34ea3259-c795-4d93-b6b6-526cd457b660" xlink:to="loc_srt_MinimumMember_c9562e29-d970-4885-ba7e-dc22d82e314b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_2e36ca9b-993a-48ca-b6db-5ba61753ed79" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_34ea3259-c795-4d93-b6b6-526cd457b660" xlink:to="loc_srt_MaximumMember_2e36ca9b-993a-48ca-b6db-5ba61753ed79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:href="ceg-20211231.xsd#ceg_AssetRetirementObligationsLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsTable_8cd42170-cda2-4e9b-8d91-4a43268f0138" xlink:to="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationPeriodIncreaseDecrease_7b8af2c4-db2c-4a52-b6e3-f02580cc856a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationPeriodIncreaseDecrease"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_us-gaap_AssetRetirementObligationPeriodIncreaseDecrease_7b8af2c4-db2c-4a52-b6e3-f02580cc856a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncreaseDecreaseInARODueToUpdatedCostEscalationRatesAndDiscountRates_105fd950-bbb3-47ee-89a8-c7ce267a6ab7" xlink:href="ceg-20211231.xsd#ceg_IncreaseDecreaseInARODueToUpdatedCostEscalationRatesAndDiscountRates"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_IncreaseDecreaseInARODueToUpdatedCostEscalationRatesAndDiscountRates_105fd950-bbb3-47ee-89a8-c7ce267a6ab7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncreaseDecreaseinARODuetoChangeinRetirementTimingProbabilities_1f1988e3-64a6-4561-b0d2-60f285929d85" xlink:href="ceg-20211231.xsd#ceg_IncreaseDecreaseinARODuetoChangeinRetirementTimingProbabilities"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_IncreaseDecreaseinARODuetoChangeinRetirementTimingProbabilities_1f1988e3-64a6-4561-b0d2-60f285929d85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncreaseDecreaseInARODueToReversalOfEarlyRetirement_41e38e49-b8cf-4591-9767-a6123e380cf9" xlink:href="ceg-20211231.xsd#ceg_IncreaseDecreaseInARODueToReversalOfEarlyRetirement"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_IncreaseDecreaseInARODueToReversalOfEarlyRetirement_41e38e49-b8cf-4591-9767-a6123e380cf9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncreaseDecreaseinAROforImpactsofRevisedDecommissioningCostEstimates_eaf271f0-3f04-49c1-a7da-0982875ed02e" xlink:href="ceg-20211231.xsd#ceg_IncreaseDecreaseinAROforImpactsofRevisedDecommissioningCostEstimates"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_IncreaseDecreaseinAROforImpactsofRevisedDecommissioningCostEstimates_eaf271f0-3f04-49c1-a7da-0982875ed02e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationRevisionOfEstimate_50b30ee0-c22c-4e37-ac5c-fc4887a8ed33" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationRevisionOfEstimate"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_us-gaap_AssetRetirementObligationRevisionOfEstimate_50b30ee0-c22c-4e37-ac5c-fc4887a8ed33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncreaseDecreaseinARODuetoEarlyRetirement_2923f71e-d9cf-40cd-a804-70464a4f7265" xlink:href="ceg-20211231.xsd#ceg_IncreaseDecreaseinARODuetoEarlyRetirement"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_IncreaseDecreaseinARODuetoEarlyRetirement_2923f71e-d9cf-40cd-a804-70464a4f7265" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncreaseDecreaseInARODueToChangeInDOESpentFuelAcceptanceDate_3546469b-18b9-48d9-bcf3-f50a54d8688a" xlink:href="ceg-20211231.xsd#ceg_IncreaseDecreaseInARODueToChangeInDOESpentFuelAcceptanceDate"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_IncreaseDecreaseInARODueToChangeInDOESpentFuelAcceptanceDate_3546469b-18b9-48d9-bcf3-f50a54d8688a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_f9b6bfae-26f0-4f44-8b17-d3156c34a5f2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_f9b6bfae-26f0-4f44-8b17-d3156c34a5f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_UncollectibleDecommissioningShortfall_4c0fb906-6465-4398-b0b3-c998a8c5ef6c" xlink:href="ceg-20211231.xsd#ceg_UncollectibleDecommissioningShortfall"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_UncollectibleDecommissioningShortfall_4c0fb906-6465-4398-b0b3-c998a8c5ef6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_UncollectibleDecommissioningShortfallPercentage_7dac5f58-1602-4578-bea6-dba06c0836ee" xlink:href="ceg-20211231.xsd#ceg_UncollectibleDecommissioningShortfallPercentage"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_UncollectibleDecommissioningShortfallPercentage_7dac5f58-1602-4578-bea6-dba06c0836ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DecommissioningFundInvestments_88384838-c5f5-41a8-9a7b-c097ef060717" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DecommissioningFundInvestments"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_us-gaap_DecommissioningFundInvestments_88384838-c5f5-41a8-9a7b-c097ef060717" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DecommissioningRelatedActivitiesNotContractuallyOffset_17643399-9b6d-4940-a078-7ae851727f63" xlink:href="ceg-20211231.xsd#ceg_DecommissioningRelatedActivitiesNotContractuallyOffset"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_DecommissioningRelatedActivitiesNotContractuallyOffset_17643399-9b6d-4940-a078-7ae851727f63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligation_4ba4d8d3-94d9-4d9b-b97d-5570a7b36685" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligation"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_us-gaap_AssetRetirementObligation_4ba4d8d3-94d9-4d9b-b97d-5570a7b36685" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AssumedReturnsonNDTFunds_2a67ddb7-078a-4d45-8888-55aafe7b5b27" xlink:href="ceg-20211231.xsd#ceg_AssumedReturnsonNDTFunds"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_AssumedReturnsonNDTFunds_2a67ddb7-078a-4d45-8888-55aafe7b5b27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NumberOfYearsUsedInPresentValueMeasurement_2b694d04-9a93-4d56-a0b5-6d9b4234d260" xlink:href="ceg-20211231.xsd#ceg_NumberOfYearsUsedInPresentValueMeasurement"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_NumberOfYearsUsedInPresentValueMeasurement_2b694d04-9a93-4d56-a0b5-6d9b4234d260" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AssetRetirementObligationAccretionRate_79953c2a-8adb-4f9d-a296-ed7c07a21937" xlink:href="ceg-20211231.xsd#ceg_AssetRetirementObligationAccretionRate"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_AssetRetirementObligationAccretionRate_79953c2a-8adb-4f9d-a296-ed7c07a21937" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AssumedReturnsOnNDTFundsPreTax_031b676c-956c-45de-87fb-6ed3968eae7c" xlink:href="ceg-20211231.xsd#ceg_AssumedReturnsOnNDTFundsPreTax"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_AssumedReturnsOnNDTFundsPreTax_031b676c-956c-45de-87fb-6ed3968eae7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ReturnonNuclearDecommissioningFundsHistorical_3d3ea6f1-38dc-4e3d-97e6-cb2a137ee88a" xlink:href="ceg-20211231.xsd#ceg_ReturnonNuclearDecommissioningFundsHistorical"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationsLineItems_bdb1cad8-ed74-4cc1-b19b-13747fee4d8b" xlink:to="loc_ceg_ReturnonNuclearDecommissioningFundsHistorical_3d3ea6f1-38dc-4e3d-97e6-cb2a137ee88a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AssetRetirementObligationsNuclearDecommissioningAssetRetirementObligationRollforwardDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#AssetRetirementObligationsNuclearDecommissioningAssetRetirementObligationRollforwardDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AssetRetirementObligationsNuclearDecommissioningAssetRetirementObligationRollforwardDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationDisclosureAbstract_8e4bdcca-9cfa-49d5-8a2a-65a96366f816" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AssetRetirementObligationRollForwardAnalysisTable_f682a140-986a-4ace-ac6a-cd616a165497" xlink:href="ceg-20211231.xsd#ceg_AssetRetirementObligationRollForwardAnalysisTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationDisclosureAbstract_8e4bdcca-9cfa-49d5-8a2a-65a96366f816" xlink:to="loc_ceg_AssetRetirementObligationRollForwardAnalysisTable_f682a140-986a-4ace-ac6a-cd616a165497" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityAxis_da152b56-7075-4a9f-8b0c-0af48148cbfa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationRollForwardAnalysisTable_f682a140-986a-4ace-ac6a-cd616a165497" xlink:to="loc_us-gaap_PublicUtilityAxis_da152b56-7075-4a9f-8b0c-0af48148cbfa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilityPlantDomain_d4fd8310-998a-4c85-a498-b0d713955e38" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityAxis_da152b56-7075-4a9f-8b0c-0af48148cbfa" xlink:to="loc_us-gaap_UtilityPlantDomain_d4fd8310-998a-4c85-a498-b0d713955e38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearDecommissioningMember_7b977b4b-c4e0-49aa-9c68-4e9c0d360d27" xlink:href="ceg-20211231.xsd#ceg_NuclearDecommissioningMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_d4fd8310-998a-4c85-a498-b0d713955e38" xlink:to="loc_ceg_NuclearDecommissioningMember_7b977b4b-c4e0-49aa-9c68-4e9c0d360d27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_6f267573-37e5-41c9-998b-3dad6a4088cd" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationRollForwardAnalysisTable_f682a140-986a-4ace-ac6a-cd616a165497" xlink:to="loc_dei_LegalEntityAxis_6f267573-37e5-41c9-998b-3dad6a4088cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_f025ebc5-8490-4433-b8ce-dc23000633b7" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_6f267573-37e5-41c9-998b-3dad6a4088cd" xlink:to="loc_dei_EntityDomain_f025ebc5-8490-4433-b8ce-dc23000633b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_ba7a5a85-f2a3-493a-87e4-8bc67ad933de" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f025ebc5-8490-4433-b8ce-dc23000633b7" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_ba7a5a85-f2a3-493a-87e4-8bc67ad933de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AssetRetirementObligationRollForwardAnalysisLineItems_d99058f5-3497-4ead-8e1f-e0b162b1776b" xlink:href="ceg-20211231.xsd#ceg_AssetRetirementObligationRollForwardAnalysisLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationRollForwardAnalysisTable_f682a140-986a-4ace-ac6a-cd616a165497" xlink:to="loc_ceg_AssetRetirementObligationRollForwardAnalysisLineItems_d99058f5-3497-4ead-8e1f-e0b162b1776b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_137dd954-f68e-43fa-be99-492398cfcbd2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationRollForwardAnalysisLineItems_d99058f5-3497-4ead-8e1f-e0b162b1776b" xlink:to="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_137dd954-f68e-43fa-be99-492398cfcbd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligation_bdb7b418-63ff-437b-8f6b-ed81f342060a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligation"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_137dd954-f68e-43fa-be99-492398cfcbd2" xlink:to="loc_us-gaap_AssetRetirementObligation_bdb7b418-63ff-437b-8f6b-ed81f342060a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationPeriodIncreaseDecrease_d36a29e4-4b1e-48f5-bfec-6fe119a2c555" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationPeriodIncreaseDecrease"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_137dd954-f68e-43fa-be99-492398cfcbd2" xlink:to="loc_us-gaap_AssetRetirementObligationPeriodIncreaseDecrease_d36a29e4-4b1e-48f5-bfec-6fe119a2c555" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationAccretionExpense_224cd549-856d-4533-b56c-7782ad1b35cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_137dd954-f68e-43fa-be99-492398cfcbd2" xlink:to="loc_us-gaap_AssetRetirementObligationAccretionExpense_224cd549-856d-4533-b56c-7782ad1b35cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationCashPaidToSettle_618af5af-fba6-4fc9-85b4-5222dd5dc604" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationCashPaidToSettle"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_137dd954-f68e-43fa-be99-492398cfcbd2" xlink:to="loc_us-gaap_AssetRetirementObligationCashPaidToSettle_618af5af-fba6-4fc9-85b4-5222dd5dc604" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligation_8b5b9db9-5906-4742-84e9-efb09176b5bb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligation"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_137dd954-f68e-43fa-be99-492398cfcbd2" xlink:to="loc_us-gaap_AssetRetirementObligation_8b5b9db9-5906-4742-84e9-efb09176b5bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationCurrent_b908e351-a649-4c14-8827-2082d0c914b7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationRollForwardAnalysisLineItems_d99058f5-3497-4ead-8e1f-e0b162b1776b" xlink:to="loc_us-gaap_AssetRetirementObligationCurrent_b908e351-a649-4c14-8827-2082d0c914b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AssetRetirementObligationsNonNuclearAssetRetirementObligationsRollforwardDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#AssetRetirementObligationsNonNuclearAssetRetirementObligationsRollforwardDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AssetRetirementObligationsNonNuclearAssetRetirementObligationsRollforwardDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationDisclosureAbstract_bdcf9261-5d71-4e86-9a3e-10335f80ce19" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AssetRetirementObligationRollForwardAnalysisTable_67e1b8a4-256b-42ac-87ac-ff41f218a971" xlink:href="ceg-20211231.xsd#ceg_AssetRetirementObligationRollForwardAnalysisTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationDisclosureAbstract_bdcf9261-5d71-4e86-9a3e-10335f80ce19" xlink:to="loc_ceg_AssetRetirementObligationRollForwardAnalysisTable_67e1b8a4-256b-42ac-87ac-ff41f218a971" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityAxis_c58e03ab-d99c-49bf-aea3-34bc2779fac0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationRollForwardAnalysisTable_67e1b8a4-256b-42ac-87ac-ff41f218a971" xlink:to="loc_us-gaap_PublicUtilityAxis_c58e03ab-d99c-49bf-aea3-34bc2779fac0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilityPlantDomain_cc270618-bb78-413e-af70-49d5364dc00f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityAxis_c58e03ab-d99c-49bf-aea3-34bc2779fac0" xlink:to="loc_us-gaap_UtilityPlantDomain_cc270618-bb78-413e-af70-49d5364dc00f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonnuclearDecommissioningAssetRetirementObligationMember_6d159826-130c-4043-b912-3b397e15057d" xlink:href="ceg-20211231.xsd#ceg_NonnuclearDecommissioningAssetRetirementObligationMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_cc270618-bb78-413e-af70-49d5364dc00f" xlink:to="loc_ceg_NonnuclearDecommissioningAssetRetirementObligationMember_6d159826-130c-4043-b912-3b397e15057d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_7eae920e-3085-43a6-8b65-2ec709f3e11f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationRollForwardAnalysisTable_67e1b8a4-256b-42ac-87ac-ff41f218a971" xlink:to="loc_dei_LegalEntityAxis_7eae920e-3085-43a6-8b65-2ec709f3e11f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_bcfe47c4-bf53-4542-9d49-32f61969ef4b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_7eae920e-3085-43a6-8b65-2ec709f3e11f" xlink:to="loc_dei_EntityDomain_bcfe47c4-bf53-4542-9d49-32f61969ef4b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_a6d99e25-fb4b-4d55-ad9e-d88bb382804a" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_bcfe47c4-bf53-4542-9d49-32f61969ef4b" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_a6d99e25-fb4b-4d55-ad9e-d88bb382804a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_b2ec18c7-2386-42b6-825c-b5fdfcfc1a9c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationRollForwardAnalysisTable_67e1b8a4-256b-42ac-87ac-ff41f218a971" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_b2ec18c7-2386-42b6-825c-b5fdfcfc1a9c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_2e32d874-1ad2-4790-b576-34cfd0e8456a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_b2ec18c7-2386-42b6-825c-b5fdfcfc1a9c" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_2e32d874-1ad2-4790-b576-34cfd0e8456a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_c36a6669-a8df-4d1f-b4c5-1db4b7283902" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2e32d874-1ad2-4790-b576-34cfd0e8456a" xlink:to="loc_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_c36a6669-a8df-4d1f-b4c5-1db4b7283902" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AssetRetirementObligationRollForwardAnalysisLineItems_089868aa-4f32-420e-8ef5-eb8e7953ab96" xlink:href="ceg-20211231.xsd#ceg_AssetRetirementObligationRollForwardAnalysisLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationRollForwardAnalysisTable_67e1b8a4-256b-42ac-87ac-ff41f218a971" xlink:to="loc_ceg_AssetRetirementObligationRollForwardAnalysisLineItems_089868aa-4f32-420e-8ef5-eb8e7953ab96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_88c3b635-a283-413f-93ff-2ae76ac2e2eb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_AssetRetirementObligationRollForwardAnalysisLineItems_089868aa-4f32-420e-8ef5-eb8e7953ab96" xlink:to="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_88c3b635-a283-413f-93ff-2ae76ac2e2eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligation_c9a8250f-c1a6-4f5b-989d-fc6f5edd4b0d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligation"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_88c3b635-a283-413f-93ff-2ae76ac2e2eb" xlink:to="loc_us-gaap_AssetRetirementObligation_c9a8250f-c1a6-4f5b-989d-fc6f5edd4b0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationRevisionOfEstimate_ebd8af1e-e003-4c75-98ac-e81579dea2f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationRevisionOfEstimate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_88c3b635-a283-413f-93ff-2ae76ac2e2eb" xlink:to="loc_us-gaap_AssetRetirementObligationRevisionOfEstimate_ebd8af1e-e003-4c75-98ac-e81579dea2f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationLiabilitiesIncurred_39a59280-45f4-4dd2-bf67-25bbaeac92c1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationLiabilitiesIncurred"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_88c3b635-a283-413f-93ff-2ae76ac2e2eb" xlink:to="loc_us-gaap_AssetRetirementObligationLiabilitiesIncurred_39a59280-45f4-4dd2-bf67-25bbaeac92c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationAccretionExpense_89b756b3-c2d8-477f-8659-bb63b5b2007e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_88c3b635-a283-413f-93ff-2ae76ac2e2eb" xlink:to="loc_us-gaap_AssetRetirementObligationAccretionExpense_89b756b3-c2d8-477f-8659-bb63b5b2007e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationLiabilitiesSettled_ced9cbcf-9c45-4312-96f4-735491f3fa10" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationLiabilitiesSettled"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_88c3b635-a283-413f-93ff-2ae76ac2e2eb" xlink:to="loc_us-gaap_AssetRetirementObligationLiabilitiesSettled_ced9cbcf-9c45-4312-96f4-735491f3fa10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationCashPaidToSettle_08dc0170-4576-4377-9643-380c6cb077b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationCashPaidToSettle"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_88c3b635-a283-413f-93ff-2ae76ac2e2eb" xlink:to="loc_us-gaap_AssetRetirementObligationCashPaidToSettle_08dc0170-4576-4377-9643-380c6cb077b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligation_b672c077-ad43-4098-aba7-1732f961b861" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligation"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward_88c3b635-a283-413f-93ff-2ae76ac2e2eb" xlink:to="loc_us-gaap_AssetRetirementObligation_b672c077-ad43-4098-aba7-1732f961b861" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/Leases" xlink:type="simple" xlink:href="ceg-20211231.xsd#Leases"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/Leases" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_c012361f-8fee-40b2-8f13-1b7b51d30468" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesOfLesseeDisclosureTextBlock_925a5b70-c52a-4f20-bfcc-d85001745782" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesOfLesseeDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_c012361f-8fee-40b2-8f13-1b7b51d30468" xlink:to="loc_us-gaap_LeasesOfLesseeDisclosureTextBlock_925a5b70-c52a-4f20-bfcc-d85001745782" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesOfLessorDisclosureTextBlock_271de28e-b239-406b-90e3-70bd80712fd3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesOfLessorDisclosureTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_c012361f-8fee-40b2-8f13-1b7b51d30468" xlink:to="loc_us-gaap_LeasesOfLessorDisclosureTextBlock_271de28e-b239-406b-90e3-70bd80712fd3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/LeasesTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#LeasesTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/LeasesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_fcb26096-db1f-4686-bc3c-19331b39b90a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCostTableTextBlock_f1a218b1-3ddf-43fa-aef9-4e2d445a2b26" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCostTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_fcb26096-db1f-4686-bc3c-19331b39b90a" xlink:to="loc_us-gaap_LeaseCostTableTextBlock_f1a218b1-3ddf-43fa-aef9-4e2d445a2b26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalBalanceSheetInformationRelatedtoLesseeRightofUseAssetsandLeaseLiabilitiesTableTextBlock_2f398413-c695-4297-953b-95c5cad185ab" xlink:href="ceg-20211231.xsd#ceg_SupplementalBalanceSheetInformationRelatedtoLesseeRightofUseAssetsandLeaseLiabilitiesTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_fcb26096-db1f-4686-bc3c-19331b39b90a" xlink:to="loc_ceg_SupplementalBalanceSheetInformationRelatedtoLesseeRightofUseAssetsandLeaseLiabilitiesTableTextBlock_2f398413-c695-4297-953b-95c5cad185ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_b4e5f967-2879-4917-acfc-34e5e40f48e7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_fcb26096-db1f-4686-bc3c-19331b39b90a" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_b4e5f967-2879-4917-acfc-34e5e40f48e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncomeTableTextBlock_4795fb03-bfc5-4858-94d4-53ccd4e291b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLeaseIncomeTableTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_fcb26096-db1f-4686-bc3c-19331b39b90a" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncomeTableTextBlock_4795fb03-bfc5-4858-94d4-53ccd4e291b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock_16a93382-6086-4c29-9c96-932b515c1cca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_fcb26096-db1f-4686-bc3c-19331b39b90a" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock_16a93382-6086-4c29-9c96-932b515c1cca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/LesseeNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#LesseeNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/LesseeNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_8c58569d-0da8-423f-bb18-68dd35071a76" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_0cbbd5a0-57c5-4d65-b6aa-bc21f515d7ee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_8c58569d-0da8-423f-bb18-68dd35071a76" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_0cbbd5a0-57c5-4d65-b6aa-bc21f515d7ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_e9cfbdf7-b263-4b9a-87ad-78e131888501" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_0cbbd5a0-57c5-4d65-b6aa-bc21f515d7ee" xlink:to="loc_dei_LegalEntityAxis_e9cfbdf7-b263-4b9a-87ad-78e131888501" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7e790934-592a-42fd-b754-7c01f328a9c6" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_e9cfbdf7-b263-4b9a-87ad-78e131888501" xlink:to="loc_dei_EntityDomain_7e790934-592a-42fd-b754-7c01f328a9c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_2ee553c2-1c2e-4657-834d-d0a5a8e6c820" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7e790934-592a-42fd-b754-7c01f328a9c6" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_2ee553c2-1c2e-4657-834d-d0a5a8e6c820" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_99894880-03af-4236-a0dd-4213801b36b7" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_0cbbd5a0-57c5-4d65-b6aa-bc21f515d7ee" xlink:to="loc_srt_RangeAxis_99894880-03af-4236-a0dd-4213801b36b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_11a5f236-8d9b-4615-a3ad-ae98694a92cb" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_99894880-03af-4236-a0dd-4213801b36b7" xlink:to="loc_srt_RangeMember_11a5f236-8d9b-4615-a3ad-ae98694a92cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_964a4879-6644-4320-90f8-719697c91c91" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_11a5f236-8d9b-4615-a3ad-ae98694a92cb" xlink:to="loc_srt_MinimumMember_964a4879-6644-4320-90f8-719697c91c91" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_746a3260-2aa6-4633-b162-188371edb8b6" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_11a5f236-8d9b-4615-a3ad-ae98694a92cb" xlink:to="loc_srt_MaximumMember_746a3260-2aa6-4633-b162-188371edb8b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_df35d567-bc8a-47e4-8646-c87eec4422f6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_0cbbd5a0-57c5-4d65-b6aa-bc21f515d7ee" xlink:to="loc_us-gaap_LesseeLeaseDescriptionLineItems_df35d567-bc8a-47e4-8646-c87eec4422f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_d7697de1-5743-4264-9dd3-b90e0a926085" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseRemainingLeaseTerm"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_df35d567-bc8a-47e4-8646-c87eec4422f6" xlink:to="loc_us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_d7697de1-5743-4264-9dd3-b90e0a926085" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseOptionToExtend_61e4a350-c929-41ee-9383-863d698e3446" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseOptionToExtend"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_df35d567-bc8a-47e4-8646-c87eec4422f6" xlink:to="loc_us-gaap_LesseeOperatingLeaseOptionToExtend_61e4a350-c929-41ee-9383-863d698e3446" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseOptionToTerminate_245b11f8-9f40-4007-aa34-f9d7480cee5f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseOptionToTerminate"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_df35d567-bc8a-47e4-8646-c87eec4422f6" xlink:to="loc_us-gaap_LesseeOperatingLeaseOptionToTerminate_245b11f8-9f40-4007-aa34-f9d7480cee5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_641f5862-117e-4f9e-b664-bdadac0d0dd8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_df35d567-bc8a-47e4-8646-c87eec4422f6" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_641f5862-117e-4f9e-b664-bdadac0d0dd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_576d6037-42e8-4f17-9351-56d706e2f5f4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_df35d567-bc8a-47e4-8646-c87eec4422f6" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_576d6037-42e8-4f17-9351-56d706e2f5f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasePayments_de5f6725-0d17-419f-a1be-98a13a7a48db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeasePayments"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_df35d567-bc8a-47e4-8646-c87eec4422f6" xlink:to="loc_us-gaap_OperatingLeasePayments_de5f6725-0d17-419f-a1be-98a13a7a48db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_2b029b2a-fbaa-43ed-a334-af78a38ac0c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_df35d567-bc8a-47e4-8646-c87eec4422f6" xlink:to="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_2b029b2a-fbaa-43ed-a334-af78a38ac0c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/LesseeComponentsofLeaseCostDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#LesseeComponentsofLeaseCostDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/LesseeComponentsofLeaseCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_d0b04f40-ad88-496c-ae30-228874f8d1ed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleofComponentsofLeaseCostTable_94687465-3aad-4650-962f-d6064afe8254" xlink:href="ceg-20211231.xsd#ceg_ScheduleofComponentsofLeaseCostTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_d0b04f40-ad88-496c-ae30-228874f8d1ed" xlink:to="loc_ceg_ScheduleofComponentsofLeaseCostTable_94687465-3aad-4650-962f-d6064afe8254" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_1e7de45d-b7a2-4b21-b2e7-26be1c25562f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofComponentsofLeaseCostTable_94687465-3aad-4650-962f-d6064afe8254" xlink:to="loc_dei_LegalEntityAxis_1e7de45d-b7a2-4b21-b2e7-26be1c25562f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_f12433bd-d4de-48e7-a499-12255e55a7c9" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_1e7de45d-b7a2-4b21-b2e7-26be1c25562f" xlink:to="loc_dei_EntityDomain_f12433bd-d4de-48e7-a499-12255e55a7c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_95ea9de5-7f3c-46a6-b87a-e56cea4b3aae" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f12433bd-d4de-48e7-a499-12255e55a7c9" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_95ea9de5-7f3c-46a6-b87a-e56cea4b3aae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleofComponentsofLeaseCostLineItems_327d04b2-89f7-486b-bf9b-04f2403c0946" xlink:href="ceg-20211231.xsd#ceg_ScheduleofComponentsofLeaseCostLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofComponentsofLeaseCostTable_94687465-3aad-4650-962f-d6064afe8254" xlink:to="loc_ceg_ScheduleofComponentsofLeaseCostLineItems_327d04b2-89f7-486b-bf9b-04f2403c0946" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_8a78c45e-8448-4bca-833a-e5ef644d234e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseCost"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofComponentsofLeaseCostLineItems_327d04b2-89f7-486b-bf9b-04f2403c0946" xlink:to="loc_us-gaap_OperatingLeaseCost_8a78c45e-8448-4bca-833a-e5ef644d234e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_2abd73e4-ab0d-410e-a1cd-00281bfd60ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableLeaseCost"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofComponentsofLeaseCostLineItems_327d04b2-89f7-486b-bf9b-04f2403c0946" xlink:to="loc_us-gaap_VariableLeaseCost_2abd73e4-ab0d-410e-a1cd-00281bfd60ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_b3d1f1fc-024d-47cb-bd0e-006d8323af4e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofComponentsofLeaseCostLineItems_327d04b2-89f7-486b-bf9b-04f2403c0946" xlink:to="loc_us-gaap_ShortTermLeaseCost_b3d1f1fc-024d-47cb-bd0e-006d8323af4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_995fb9ae-6b33-4b8b-bdfe-58e2e908c25e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCost"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofComponentsofLeaseCostLineItems_327d04b2-89f7-486b-bf9b-04f2403c0946" xlink:to="loc_us-gaap_LeaseCost_995fb9ae-6b33-4b8b-bdfe-58e2e908c25e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_865ae35c-c910-4b45-b899-098f8a510c7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubleaseIncome"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofComponentsofLeaseCostLineItems_327d04b2-89f7-486b-bf9b-04f2403c0946" xlink:to="loc_us-gaap_SubleaseIncome_865ae35c-c910-4b45-b899-098f8a510c7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/LesseeSupplementalBalanceSheetInformationDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#LesseeSupplementalBalanceSheetInformationDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/LesseeSupplementalBalanceSheetInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_132b90e9-f570-45fc-b007-88bd114cf6db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalBalanceSheetInformationTable_2e01d7f7-c073-4930-8a91-aa617eded651" xlink:href="ceg-20211231.xsd#ceg_SupplementalBalanceSheetInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_132b90e9-f570-45fc-b007-88bd114cf6db" xlink:to="loc_ceg_SupplementalBalanceSheetInformationTable_2e01d7f7-c073-4930-8a91-aa617eded651" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ac94d68a-8134-4e3f-90b0-28258e37c49a" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationTable_2e01d7f7-c073-4930-8a91-aa617eded651" xlink:to="loc_dei_LegalEntityAxis_ac94d68a-8134-4e3f-90b0-28258e37c49a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_c2a8a3eb-2984-4926-95fd-040d1e2db75d" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_ac94d68a-8134-4e3f-90b0-28258e37c49a" xlink:to="loc_dei_EntityDomain_c2a8a3eb-2984-4926-95fd-040d1e2db75d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_1740bc54-be0f-41fb-8858-a10272c83461" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c2a8a3eb-2984-4926-95fd-040d1e2db75d" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_1740bc54-be0f-41fb-8858-a10272c83461" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_112b34a7-f3ba-4c48-b291-9bfa15f5796b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationTable_2e01d7f7-c073-4930-8a91-aa617eded651" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_112b34a7-f3ba-4c48-b291-9bfa15f5796b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_dd74a147-06cc-4407-9ca9-c70966e379cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_112b34a7-f3ba-4c48-b291-9bfa15f5796b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_dd74a147-06cc-4407-9ca9-c70966e379cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_LongtermContractforPurchaseofElectricPowerMember_fb2daf15-ed6d-4624-907f-f7606bb226b7" xlink:href="ceg-20211231.xsd#ceg_LongtermContractforPurchaseofElectricPowerMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_dd74a147-06cc-4407-9ca9-c70966e379cd" xlink:to="loc_ceg_LongtermContractforPurchaseofElectricPowerMember_fb2daf15-ed6d-4624-907f-f7606bb226b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_e36e6b78-7356-4485-9ebe-d5049fca1f20" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationTable_2e01d7f7-c073-4930-8a91-aa617eded651" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_e36e6b78-7356-4485-9ebe-d5049fca1f20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_0ecbef99-a45f-4272-8483-efb56ebbf4e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_e36e6b78-7356-4485-9ebe-d5049fca1f20" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_0ecbef99-a45f-4272-8483-efb56ebbf4e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_4f2bf074-d820-4563-988a-3c52d8780aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncurrentAssetsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_0ecbef99-a45f-4272-8483-efb56ebbf4e8" xlink:to="loc_us-gaap_OtherNoncurrentAssetsMember_4f2bf074-d820-4563-988a-3c52d8780aa0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_8dbf7c05-4f33-4587-af8e-f6cc11a88c6a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncurrentAssetsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_0ecbef99-a45f-4272-8483-efb56ebbf4e8" xlink:to="loc_us-gaap_OtherNoncurrentAssetsMember_8dbf7c05-4f33-4587-af8e-f6cc11a88c6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCurrentLiabilitiesMember_36c3544e-8856-4355-b111-acf656ba087d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCurrentLiabilitiesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_0ecbef99-a45f-4272-8483-efb56ebbf4e8" xlink:to="loc_us-gaap_OtherCurrentLiabilitiesMember_36c3544e-8856-4355-b111-acf656ba087d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_e4f52deb-ddd2-42c6-89b8-f672943b93dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_0ecbef99-a45f-4272-8483-efb56ebbf4e8" xlink:to="loc_us-gaap_OtherNoncurrentLiabilitiesMember_e4f52deb-ddd2-42c6-89b8-f672943b93dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalBalanceSheetInformationLineItems_2b6558b9-7f05-4994-84bf-06893d45676a" xlink:href="ceg-20211231.xsd#ceg_SupplementalBalanceSheetInformationLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationTable_2e01d7f7-c073-4930-8a91-aa617eded651" xlink:to="loc_ceg_SupplementalBalanceSheetInformationLineItems_2b6558b9-7f05-4994-84bf-06893d45676a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_f9584dfd-a64b-43be-880b-e3d6a4d50233" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationLineItems_2b6558b9-7f05-4994-84bf-06893d45676a" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_f9584dfd-a64b-43be-880b-e3d6a4d50233" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_34b7cee2-1cbe-4be5-a75e-ae7bfb52c2f8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationLineItems_2b6558b9-7f05-4994-84bf-06893d45676a" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_34b7cee2-1cbe-4be5-a75e-ae7bfb52c2f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f34d29bc-10fa-45d1-b888-be865c9155eb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationLineItems_2b6558b9-7f05-4994-84bf-06893d45676a" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_f34d29bc-10fa-45d1-b888-be865c9155eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_6e8b221e-7c47-4aac-b3d9-d3848f04cedb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationLineItems_2b6558b9-7f05-4994-84bf-06893d45676a" xlink:to="loc_us-gaap_OperatingLeaseLiability_6e8b221e-7c47-4aac-b3d9-d3848f04cedb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/LesseeLesseeFutureMinimumOperatingLeaseMaturityPaymentsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#LesseeLesseeFutureMinimumOperatingLeaseMaturityPaymentsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/LesseeLesseeFutureMinimumOperatingLeaseMaturityPaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_4db35beb-e6cd-49a9-bd92-42f0bb107a78" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityTable_60862c7f-0792-406e-8cd4-e478bbdc4ab3" xlink:href="ceg-20211231.xsd#ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_4db35beb-e6cd-49a9-bd92-42f0bb107a78" xlink:to="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityTable_60862c7f-0792-406e-8cd4-e478bbdc4ab3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ccc6554e-6424-40f7-a76d-ae71aadc5346" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityTable_60862c7f-0792-406e-8cd4-e478bbdc4ab3" xlink:to="loc_dei_LegalEntityAxis_ccc6554e-6424-40f7-a76d-ae71aadc5346" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_994bf820-20b5-426e-aacb-b1402a38dd61" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_ccc6554e-6424-40f7-a76d-ae71aadc5346" xlink:to="loc_dei_EntityDomain_994bf820-20b5-426e-aacb-b1402a38dd61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_521d6baf-17f4-49d0-b7c8-495a8d53a29d" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_994bf820-20b5-426e-aacb-b1402a38dd61" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_521d6baf-17f4-49d0-b7c8-495a8d53a29d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems_e9fd620d-cd5f-40b5-83c7-df4495547e95" xlink:href="ceg-20211231.xsd#ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityTable_60862c7f-0792-406e-8cd4-e478bbdc4ab3" xlink:to="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems_e9fd620d-cd5f-40b5-83c7-df4495547e95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_76e6a586-8e6c-4d9a-8132-99956da3a378" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems_e9fd620d-cd5f-40b5-83c7-df4495547e95" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_76e6a586-8e6c-4d9a-8132-99956da3a378" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_7e94294c-936c-423c-8005-1723597e11a4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems_e9fd620d-cd5f-40b5-83c7-df4495547e95" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_7e94294c-936c-423c-8005-1723597e11a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_9924fbfe-c34c-4db1-8d22-c88789c73f6b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems_e9fd620d-cd5f-40b5-83c7-df4495547e95" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_9924fbfe-c34c-4db1-8d22-c88789c73f6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_1dbc9446-6f1a-4f20-9c1f-c3fc5acff8cc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems_e9fd620d-cd5f-40b5-83c7-df4495547e95" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_1dbc9446-6f1a-4f20-9c1f-c3fc5acff8cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_23eeddc2-1c9c-4836-b733-942dd471536c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems_e9fd620d-cd5f-40b5-83c7-df4495547e95" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_23eeddc2-1c9c-4836-b733-942dd471536c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_ff06a57a-330f-48e8-84c4-b60c5ed4c655" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems_e9fd620d-cd5f-40b5-83c7-df4495547e95" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_ff06a57a-330f-48e8-84c4-b60c5ed4c655" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4b4d715e-3544-4c92-982c-f2c835d4c1fa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems_e9fd620d-cd5f-40b5-83c7-df4495547e95" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4b4d715e-3544-4c92-982c-f2c835d4c1fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_ade12462-5942-4cc5-927d-cbdbea83ec5b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems_e9fd620d-cd5f-40b5-83c7-df4495547e95" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_ade12462-5942-4cc5-927d-cbdbea83ec5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_17eae33e-baea-40c5-a7c8-2cb658b0cdff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLesseeOperatingLeaseLiabilityMaturityLineItems_e9fd620d-cd5f-40b5-83c7-df4495547e95" xlink:to="loc_us-gaap_OperatingLeaseLiability_17eae33e-baea-40c5-a7c8-2cb658b0cdff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/LessorNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#LessorNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/LessorNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_ab8df6a8-73e7-4064-b0c0-64ab90a1a9a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorLeaseDescriptionTable_87923b31-850e-496d-b9a1-2e2d5ec94904" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorLeaseDescriptionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_ab8df6a8-73e7-4064-b0c0-64ab90a1a9a3" xlink:to="loc_us-gaap_LessorLeaseDescriptionTable_87923b31-850e-496d-b9a1-2e2d5ec94904" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_80e265e4-8de9-4be9-ae1a-2b3d9ac5166c" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LessorLeaseDescriptionTable_87923b31-850e-496d-b9a1-2e2d5ec94904" xlink:to="loc_dei_LegalEntityAxis_80e265e4-8de9-4be9-ae1a-2b3d9ac5166c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7ee93ede-d454-4539-abbb-dbcb7d464c69" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_80e265e4-8de9-4be9-ae1a-2b3d9ac5166c" xlink:to="loc_dei_EntityDomain_7ee93ede-d454-4539-abbb-dbcb7d464c69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_deeb82d5-85f1-48d4-a6d8-a72726a2d0d7" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7ee93ede-d454-4539-abbb-dbcb7d464c69" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_deeb82d5-85f1-48d4-a6d8-a72726a2d0d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_ee0055e8-e410-4b98-9e45-c6e2d7275eb2" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LessorLeaseDescriptionTable_87923b31-850e-496d-b9a1-2e2d5ec94904" xlink:to="loc_srt_RangeAxis_ee0055e8-e410-4b98-9e45-c6e2d7275eb2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_9e4a48c5-1fdc-49fa-9f1f-6da6234a4abb" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_ee0055e8-e410-4b98-9e45-c6e2d7275eb2" xlink:to="loc_srt_RangeMember_9e4a48c5-1fdc-49fa-9f1f-6da6234a4abb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_fb28452d-be2c-40a3-8956-deee43220beb" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_9e4a48c5-1fdc-49fa-9f1f-6da6234a4abb" xlink:to="loc_srt_MinimumMember_fb28452d-be2c-40a3-8956-deee43220beb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_dbcdd589-2d93-4cda-ac15-00a5b20ba051" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_9e4a48c5-1fdc-49fa-9f1f-6da6234a4abb" xlink:to="loc_srt_MaximumMember_dbcdd589-2d93-4cda-ac15-00a5b20ba051" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorLeaseDescriptionLineItems_a7e70144-c9ef-432e-8451-65045d8f0bb4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorLeaseDescriptionLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LessorLeaseDescriptionTable_87923b31-850e-496d-b9a1-2e2d5ec94904" xlink:to="loc_us-gaap_LessorLeaseDescriptionLineItems_a7e70144-c9ef-432e-8451-65045d8f0bb4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeaseTermOfContract_b6d7f200-ca5c-4b7f-b019-8bb0c4852d82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeaseTermOfContract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LessorLeaseDescriptionLineItems_a7e70144-c9ef-432e-8451-65045d8f0bb4" xlink:to="loc_us-gaap_LessorOperatingLeaseTermOfContract_b6d7f200-ca5c-4b7f-b019-8bb0c4852d82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeaseOptionToExtend_f58477e8-cc94-4e3a-88c1-c0a9a4c4bc14" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeaseOptionToExtend"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LessorLeaseDescriptionLineItems_a7e70144-c9ef-432e-8451-65045d8f0bb4" xlink:to="loc_us-gaap_LessorOperatingLeaseOptionToExtend_f58477e8-cc94-4e3a-88c1-c0a9a4c4bc14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeaseOptionToTerminate_2813aa9f-94f3-4ef4-b48c-b22ab2982c91" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeaseOptionToTerminate"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LessorLeaseDescriptionLineItems_a7e70144-c9ef-432e-8451-65045d8f0bb4" xlink:to="loc_us-gaap_LessorOperatingLeaseOptionToTerminate_2813aa9f-94f3-4ef4-b48c-b22ab2982c91" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/LessorComponentsofOperatingLeaseIncomeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#LessorComponentsofOperatingLeaseIncomeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/LessorComponentsofOperatingLeaseIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_09e0dfa6-db89-4487-8861-acf5610e4a2e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleofOperatingLeaseLeaseIncomeTable_fb820a71-6213-429e-bb77-566db83b2008" xlink:href="ceg-20211231.xsd#ceg_ScheduleofOperatingLeaseLeaseIncomeTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_09e0dfa6-db89-4487-8861-acf5610e4a2e" xlink:to="loc_ceg_ScheduleofOperatingLeaseLeaseIncomeTable_fb820a71-6213-429e-bb77-566db83b2008" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_1d269cb5-f08a-4e4d-924f-0c57cc1a9d96" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofOperatingLeaseLeaseIncomeTable_fb820a71-6213-429e-bb77-566db83b2008" xlink:to="loc_dei_LegalEntityAxis_1d269cb5-f08a-4e4d-924f-0c57cc1a9d96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_5a3c61d1-1d06-4b8f-9376-1f50a412cdad" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_1d269cb5-f08a-4e4d-924f-0c57cc1a9d96" xlink:to="loc_dei_EntityDomain_5a3c61d1-1d06-4b8f-9376-1f50a412cdad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_f3855f59-9ca5-4dc3-adc4-08ef217824aa" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5a3c61d1-1d06-4b8f-9376-1f50a412cdad" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_f3855f59-9ca5-4dc3-adc4-08ef217824aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleofOperatingLeaseLeaseIncomeLineItems_65532ce2-d262-44bf-8d55-eed14989e0ee" xlink:href="ceg-20211231.xsd#ceg_ScheduleofOperatingLeaseLeaseIncomeLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofOperatingLeaseLeaseIncomeTable_fb820a71-6213-429e-bb77-566db83b2008" xlink:to="loc_ceg_ScheduleofOperatingLeaseLeaseIncomeLineItems_65532ce2-d262-44bf-8d55-eed14989e0ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncomeLeasePayments_084ac208-55ad-449e-b2ac-f40348421a74" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLeaseIncomeLeasePayments"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofOperatingLeaseLeaseIncomeLineItems_65532ce2-d262-44bf-8d55-eed14989e0ee" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncomeLeasePayments_084ac208-55ad-449e-b2ac-f40348421a74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseVariableLeaseIncome_8b9ac00a-b5cb-4e68-9f90-6ab7245d4e4b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseVariableLeaseIncome"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofOperatingLeaseLeaseIncomeLineItems_65532ce2-d262-44bf-8d55-eed14989e0ee" xlink:to="loc_us-gaap_OperatingLeaseVariableLeaseIncome_8b9ac00a-b5cb-4e68-9f90-6ab7245d4e4b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/LessorOperatingLeasePaymentsFiscalYearMaturityDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#LessorOperatingLeasePaymentsFiscalYearMaturityDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/LessorOperatingLeasePaymentsFiscalYearMaturityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_dd3c79c5-3181-475a-9323-1002094526d7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityTable_16af47a5-55ae-4c80-b4b9-17d10381e210" xlink:href="ceg-20211231.xsd#ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_dd3c79c5-3181-475a-9323-1002094526d7" xlink:to="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityTable_16af47a5-55ae-4c80-b4b9-17d10381e210" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ff4b5838-5b55-4880-8c13-8b8c44809a0e" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityTable_16af47a5-55ae-4c80-b4b9-17d10381e210" xlink:to="loc_dei_LegalEntityAxis_ff4b5838-5b55-4880-8c13-8b8c44809a0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_896e9f0c-f766-45e1-b757-6717177e05af" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_ff4b5838-5b55-4880-8c13-8b8c44809a0e" xlink:to="loc_dei_EntityDomain_896e9f0c-f766-45e1-b757-6717177e05af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_9420b462-685d-4da6-82c0-fe5517dad5ae" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_896e9f0c-f766-45e1-b757-6717177e05af" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_9420b462-685d-4da6-82c0-fe5517dad5ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityLineItems_cd5a274a-6310-4b2b-abdf-38febb2ef0b8" xlink:href="ceg-20211231.xsd#ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityTable_16af47a5-55ae-4c80-b4b9-17d10381e210" xlink:to="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityLineItems_cd5a274a-6310-4b2b-abdf-38febb2ef0b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_ff146361-96fc-42c0-ad7b-35095ae2b9c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityLineItems_cd5a274a-6310-4b2b-abdf-38febb2ef0b8" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_ff146361-96fc-42c0-ad7b-35095ae2b9c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_ef90cdc8-0878-4237-ac25-021781aa9583" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityLineItems_cd5a274a-6310-4b2b-abdf-38febb2ef0b8" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_ef90cdc8-0878-4237-ac25-021781aa9583" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears_ba836317-6404-4279-b4f4-da52728a2826" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityLineItems_cd5a274a-6310-4b2b-abdf-38febb2ef0b8" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears_ba836317-6404-4279-b4f4-da52728a2826" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_8d66c801-b306-463a-8f00-b35d3934d67d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityLineItems_cd5a274a-6310-4b2b-abdf-38febb2ef0b8" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_8d66c801-b306-463a-8f00-b35d3934d67d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears_5cd60dcb-0bb8-4316-a9c2-0aa2192e312f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityLineItems_cd5a274a-6310-4b2b-abdf-38febb2ef0b8" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears_5cd60dcb-0bb8-4316-a9c2-0aa2192e312f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter_9deecc5e-9b1a-4ef4-9fb8-69da50e14462" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityLineItems_cd5a274a-6310-4b2b-abdf-38febb2ef0b8" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter_9deecc5e-9b1a-4ef4-9fb8-69da50e14462" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_e20a57a4-6719-4fa0-b979-2a9889736ff6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceived"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofLessorOperatingLeasePaymentstobeReceivedMaturityLineItems_cd5a274a-6310-4b2b-abdf-38febb2ef0b8" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_e20a57a4-6719-4fa0-b979-2a9889736ff6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AssetImpairments" xlink:type="simple" xlink:href="ceg-20211231.xsd#AssetImpairments"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AssetImpairments" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract_fcb5105a-c67b-42c6-8517-187133f89a0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentChargesTextBlock_9ff84367-cd95-4b2f-9379-0f068892e342" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetImpairmentChargesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract_fcb5105a-c67b-42c6-8517-187133f89a0a" xlink:to="loc_us-gaap_AssetImpairmentChargesTextBlock_9ff84367-cd95-4b2f-9379-0f068892e342" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AssetImpairmentsTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#AssetImpairmentsTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AssetImpairmentsTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/AssetImpairmentsNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#AssetImpairmentsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/AssetImpairmentsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract_b132c70b-4c89-49df-80e4-f3681c3084a1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7dfaeb7d-bf72-483e-ba7c-5ae84121fe2b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract_b132c70b-4c89-49df-80e4-f3681c3084a1" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7dfaeb7d-bf72-483e-ba7c-5ae84121fe2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_e311cbd5-6e30-4648-a21e-ea776a7ed952" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7dfaeb7d-bf72-483e-ba7c-5ae84121fe2b" xlink:to="loc_dei_LegalEntityAxis_e311cbd5-6e30-4648-a21e-ea776a7ed952" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_3c8763ea-f964-4a93-8ffe-feefd8ec8c0b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_e311cbd5-6e30-4648-a21e-ea776a7ed952" xlink:to="loc_dei_EntityDomain_3c8763ea-f964-4a93-8ffe-feefd8ec8c0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_31b67eb5-4a88-4e90-82be-e9c20fc45593" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3c8763ea-f964-4a93-8ffe-feefd8ec8c0b" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_31b67eb5-4a88-4e90-82be-e9c20fc45593" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityAxis_c4e29119-12c8-47a0-b479-188348bbcec5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7dfaeb7d-bf72-483e-ba7c-5ae84121fe2b" xlink:to="loc_us-gaap_PublicUtilityAxis_c4e29119-12c8-47a0-b479-188348bbcec5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilityPlantDomain_e54032bd-bcec-45ac-9557-5d9809e65bf4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityAxis_c4e29119-12c8-47a0-b479-188348bbcec5" xlink:to="loc_us-gaap_UtilityPlantDomain_e54032bd-bcec-45ac-9557-5d9809e65bf4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationNewEnglandMember_644df4e8-c049-4f3a-8320-f54cb4361eee" xlink:href="ceg-20211231.xsd#ceg_ConstellationNewEnglandMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_e54032bd-bcec-45ac-9557-5d9809e65bf4" xlink:to="loc_ceg_ConstellationNewEnglandMember_644df4e8-c049-4f3a-8320-f54cb4361eee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ContractedWindProjectMember_475e8789-7058-4ace-84d3-07199176d67a" xlink:href="ceg-20211231.xsd#ceg_ContractedWindProjectMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_e54032bd-bcec-45ac-9557-5d9809e65bf4" xlink:to="loc_ceg_ContractedWindProjectMember_475e8789-7058-4ace-84d3-07199176d67a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_InvestmentsAxis_e8006b4d-cc14-42e9-892d-1166da918ec3" xlink:href="ceg-20211231.xsd#ceg_InvestmentsAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7dfaeb7d-bf72-483e-ba7c-5ae84121fe2b" xlink:to="loc_ceg_InvestmentsAxis_e8006b4d-cc14-42e9-892d-1166da918ec3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_InvestmentsDomain_c09e3b1e-88a1-4584-9c7e-6ba75cd36499" xlink:href="ceg-20211231.xsd#ceg_InvestmentsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_InvestmentsAxis_e8006b4d-cc14-42e9-892d-1166da918ec3" xlink:to="loc_ceg_InvestmentsDomain_c09e3b1e-88a1-4584-9c7e-6ba75cd36499" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CertainDistributedEnergyCompaniesMember_743b97b2-ed53-44cb-a624-65874a56b85a" xlink:href="ceg-20211231.xsd#ceg_CertainDistributedEnergyCompaniesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_InvestmentsDomain_c09e3b1e-88a1-4584-9c7e-6ba75cd36499" xlink:to="loc_ceg_CertainDistributedEnergyCompaniesMember_743b97b2-ed53-44cb-a624-65874a56b85a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_552fa311-8f6e-46e8-9f64-76a69f4d6ada" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7dfaeb7d-bf72-483e-ba7c-5ae84121fe2b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentLineItems_552fa311-8f6e-46e8-9f64-76a69f4d6ada" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_d2a7461b-4825-4a0c-bd1a-621dbef0c5b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_552fa311-8f6e-46e8-9f64-76a69f4d6ada" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_d2a7461b-4825-4a0c-bd1a-621dbef0c5b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_1ba57854-39e9-4bf2-a9e8-1343b100a240" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_552fa311-8f6e-46e8-9f64-76a69f4d6ada" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_1ba57854-39e9-4bf2-a9e8-1343b100a240" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment_e9fab4ef-0573-484a-9609-2da6eb26fc0d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_552fa311-8f6e-46e8-9f64-76a69f4d6ada" xlink:to="loc_us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment_e9fab4ef-0573-484a-9609-2da6eb26fc0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_6c4e3584-35d3-4890-9aef-d2f2fb4fcb52" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_552fa311-8f6e-46e8-9f64-76a69f4d6ada" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_6c4e3584-35d3-4890-9aef-d2f2fb4fcb52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_0d290f4c-d1bd-42c4-a812-60049b5805c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_552fa311-8f6e-46e8-9f64-76a69f4d6ada" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_0d290f4c-d1bd-42c4-a812-60049b5805c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IntangibleAssets" xlink:type="simple" xlink:href="ceg-20211231.xsd#IntangibleAssets"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IntangibleAssets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_2e7787f0-c8a6-4ee7-8ebf-5596b93f1ee7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_1ab1ab8f-ea3a-4233-9217-75271b52babd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_2e7787f0-c8a6-4ee7-8ebf-5596b93f1ee7" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_1ab1ab8f-ea3a-4233-9217-75271b52babd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IntangibleAssetsTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#IntangibleAssetsTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IntangibleAssetsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_7f301870-8f97-458b-9f2b-df57f0d5b663" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5e2733e0-366c-4749-94c5-10368d9aaed8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_7f301870-8f97-458b-9f2b-df57f0d5b663" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5e2733e0-366c-4749-94c5-10368d9aaed8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_55ed6042-c720-4dd4-9ae5-9786c7b33c07" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5e2733e0-366c-4749-94c5-10368d9aaed8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_55ed6042-c720-4dd4-9ae5-9786c7b33c07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_45a04472-4f63-492d-bb9a-156abf3caa1d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_55ed6042-c720-4dd4-9ae5-9786c7b33c07" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_45a04472-4f63-492d-bb9a-156abf3caa1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock_f4f73acd-83be-4292-91cd-a2a8f57416d4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_55ed6042-c720-4dd4-9ae5-9786c7b33c07" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock_f4f73acd-83be-4292-91cd-a2a8f57416d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_d3032035-b027-46f3-be1f-5656e49310c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_55ed6042-c720-4dd4-9ae5-9786c7b33c07" xlink:to="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_d3032035-b027-46f3-be1f-5656e49310c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleofAlternativeorRenewableEnergyCreditsTableTextBlock_85e5bff5-8a58-4c8f-b050-4cd87da88b0a" xlink:href="ceg-20211231.xsd#ceg_ScheduleofAlternativeorRenewableEnergyCreditsTableTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_55ed6042-c720-4dd4-9ae5-9786c7b33c07" xlink:to="loc_ceg_ScheduleofAlternativeorRenewableEnergyCreditsTableTextBlock_85e5bff5-8a58-4c8f-b050-4cd87da88b0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IntangibleAssetsScheduleofOtherIntangibleAssetsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IntangibleAssetsScheduleofOtherIntangibleAssetsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IntangibleAssetsScheduleofOtherIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_bf83780a-a343-4708-80b0-f6d67181e11d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_81e5830f-2981-4779-934f-0b9c2052fdfc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_bf83780a-a343-4708-80b0-f6d67181e11d" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_81e5830f-2981-4779-934f-0b9c2052fdfc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_22456f79-0422-4fa3-a67b-6ba6a0c17c1d" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_81e5830f-2981-4779-934f-0b9c2052fdfc" xlink:to="loc_dei_LegalEntityAxis_22456f79-0422-4fa3-a67b-6ba6a0c17c1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_63c43c61-2af6-4d13-aeff-865c445d50f3" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_22456f79-0422-4fa3-a67b-6ba6a0c17c1d" xlink:to="loc_dei_EntityDomain_63c43c61-2af6-4d13-aeff-865c445d50f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_3d60fb5d-05cf-4031-9030-7c97da1c9ab9" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_63c43c61-2af6-4d13-aeff-865c445d50f3" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_3d60fb5d-05cf-4031-9030-7c97da1c9ab9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_d181f794-ad96-4b6e-bf35-fc4dd2f48100" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_81e5830f-2981-4779-934f-0b9c2052fdfc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_d181f794-ad96-4b6e-bf35-fc4dd2f48100" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69029cc2-986a-4d52-b1ee-0300fe5f043d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_d181f794-ad96-4b6e-bf35-fc4dd2f48100" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69029cc2-986a-4d52-b1ee-0300fe5f043d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_UnamortizedEnergyContractsMember_b214fc83-2228-460f-8b45-1a4e3940b092" xlink:href="ceg-20211231.xsd#ceg_UnamortizedEnergyContractsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69029cc2-986a-4d52-b1ee-0300fe5f043d" xlink:to="loc_ceg_UnamortizedEnergyContractsMember_b214fc83-2228-460f-8b45-1a4e3940b092" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_3e88164e-81cc-4ed0-b66a-77a1f2df56cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69029cc2-986a-4d52-b1ee-0300fe5f043d" xlink:to="loc_us-gaap_CustomerRelationshipsMember_3e88164e-81cc-4ed0-b66a-77a1f2df56cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_1b27fbff-7172-4aa3-96d5-269ac65a931b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeNamesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69029cc2-986a-4d52-b1ee-0300fe5f043d" xlink:to="loc_us-gaap_TradeNamesMember_1b27fbff-7172-4aa3-96d5-269ac65a931b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1566bf7-ab8b-4185-8be0-e9951adb1403" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_81e5830f-2981-4779-934f-0b9c2052fdfc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1566bf7-ab8b-4185-8be0-e9951adb1403" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_f9273727-b8e8-4429-89a9-71e40c4508ea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1566bf7-ab8b-4185-8be0-e9951adb1403" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_f9273727-b8e8-4429-89a9-71e40c4508ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_79d8c1a0-84a4-40b7-994f-8005a372c73c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1566bf7-ab8b-4185-8be0-e9951adb1403" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_79d8c1a0-84a4-40b7-994f-8005a372c73c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d0ca0555-8171-464d-8b1b-6291aefadadb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f1566bf7-ab8b-4185-8be0-e9951adb1403" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d0ca0555-8171-464d-8b1b-6291aefadadb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IntangibleAssetsSummaryofAmortizationExpenseDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IntangibleAssetsSummaryofAmortizationExpenseDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IntangibleAssetsSummaryofAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_e2f68f49-043b-45bf-97c2-d46d4fb0f9de" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_0b600c06-ced2-43af-87dd-6f75cacc348b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_e2f68f49-043b-45bf-97c2-d46d4fb0f9de" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_0b600c06-ced2-43af-87dd-6f75cacc348b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5866dea7-4139-470e-a0b2-0fb0d6660be4" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_0b600c06-ced2-43af-87dd-6f75cacc348b" xlink:to="loc_dei_LegalEntityAxis_5866dea7-4139-470e-a0b2-0fb0d6660be4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_4802cad1-a71b-4391-9ab9-33f4e9ea9b98" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_5866dea7-4139-470e-a0b2-0fb0d6660be4" xlink:to="loc_dei_EntityDomain_4802cad1-a71b-4391-9ab9-33f4e9ea9b98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_24cc1817-b936-4f16-8db3-58ca9a12d5f5" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4802cad1-a71b-4391-9ab9-33f4e9ea9b98" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_24cc1817-b936-4f16-8db3-58ca9a12d5f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_5b49daab-c942-4f1c-aca4-67a2d73d86f2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_0b600c06-ced2-43af-87dd-6f75cacc348b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_5b49daab-c942-4f1c-aca4-67a2d73d86f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_f17f79ed-67da-4ba0-be75-64feabb358b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_5b49daab-c942-4f1c-aca4-67a2d73d86f2" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_f17f79ed-67da-4ba0-be75-64feabb358b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IntangibleAssetsScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IntangibleAssetsScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IntangibleAssetsScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_1eb97ee7-595e-4fd0-93ca-5906d4cdbf13" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_b470ef22-a626-4279-9c04-ca7806ef4aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_1eb97ee7-595e-4fd0-93ca-5906d4cdbf13" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_b470ef22-a626-4279-9c04-ca7806ef4aa0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_86035c8b-9ee8-4a36-a466-374495335033" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_b470ef22-a626-4279-9c04-ca7806ef4aa0" xlink:to="loc_dei_LegalEntityAxis_86035c8b-9ee8-4a36-a466-374495335033" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_93174498-e3bd-4ef0-98ae-8ebdbfc7eb9f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_86035c8b-9ee8-4a36-a466-374495335033" xlink:to="loc_dei_EntityDomain_93174498-e3bd-4ef0-98ae-8ebdbfc7eb9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_5065b73c-b9ce-417a-acfe-75eff4ca6816" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_93174498-e3bd-4ef0-98ae-8ebdbfc7eb9f" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_5065b73c-b9ce-417a-acfe-75eff4ca6816" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f3f581bb-aef4-4114-bf00-70add861a46d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_b470ef22-a626-4279-9c04-ca7806ef4aa0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f3f581bb-aef4-4114-bf00-70add861a46d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_971f91aa-0b3b-4081-922b-17f94a928694" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f3f581bb-aef4-4114-bf00-70add861a46d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_971f91aa-0b3b-4081-922b-17f94a928694" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_c263baa9-5b85-464e-8ae7-58a57534e007" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f3f581bb-aef4-4114-bf00-70add861a46d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_c263baa9-5b85-464e-8ae7-58a57534e007" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_78304429-dc5a-4ead-a4b0-3d843670f3ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f3f581bb-aef4-4114-bf00-70add861a46d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_78304429-dc5a-4ead-a4b0-3d843670f3ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_bdec3cac-ef5f-4f9e-9112-d859319d9914" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f3f581bb-aef4-4114-bf00-70add861a46d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_bdec3cac-ef5f-4f9e-9112-d859319d9914" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_3399be42-b265-4317-9e12-94b41bb2ddac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_f3f581bb-aef4-4114-bf00-70add861a46d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_3399be42-b265-4317-9e12-94b41bb2ddac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IntangibleAssetsRenewableandAlternativeEnergyCreditsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IntangibleAssetsRenewableandAlternativeEnergyCreditsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IntangibleAssetsRenewableandAlternativeEnergyCreditsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8ab5f60c-ffe2-4f16-9d06-85a9b658cbde" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_caba7a7a-eaa3-443b-a8a2-e9f7e1cd34f0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8ab5f60c-ffe2-4f16-9d06-85a9b658cbde" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_caba7a7a-eaa3-443b-a8a2-e9f7e1cd34f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_799a043c-977b-4de6-8632-3c4af836595b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_caba7a7a-eaa3-443b-a8a2-e9f7e1cd34f0" xlink:to="loc_dei_LegalEntityAxis_799a043c-977b-4de6-8632-3c4af836595b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ac678f8f-b522-49d3-9c5e-b6fb3ace430a" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_799a043c-977b-4de6-8632-3c4af836595b" xlink:to="loc_dei_EntityDomain_ac678f8f-b522-49d3-9c5e-b6fb3ace430a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_aa693182-526a-444a-9ea2-a0fc7e7dddc9" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ac678f8f-b522-49d3-9c5e-b6fb3ace430a" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_aa693182-526a-444a-9ea2-a0fc7e7dddc9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_f6e36ef1-805c-4090-9b56-54fb97edd94d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_caba7a7a-eaa3-443b-a8a2-e9f7e1cd34f0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_f6e36ef1-805c-4090-9b56-54fb97edd94d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8af7c32e-083f-4ef0-87b3-3bdcfcd2e5b9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_f6e36ef1-805c-4090-9b56-54fb97edd94d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8af7c32e-083f-4ef0-87b3-3bdcfcd2e5b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RenewableenergycreditcurrentMember_1239afd1-cd8d-4c2b-9531-e990a7f3618a" xlink:href="ceg-20211231.xsd#ceg_RenewableenergycreditcurrentMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8af7c32e-083f-4ef0-87b3-3bdcfcd2e5b9" xlink:to="loc_ceg_RenewableenergycreditcurrentMember_1239afd1-cd8d-4c2b-9531-e990a7f3618a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RenewableenergycreditnoncurrentMember_759e478a-eb9e-4445-9411-b34cb5ab6826" xlink:href="ceg-20211231.xsd#ceg_RenewableenergycreditnoncurrentMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8af7c32e-083f-4ef0-87b3-3bdcfcd2e5b9" xlink:to="loc_ceg_RenewableenergycreditnoncurrentMember_759e478a-eb9e-4445-9411-b34cb5ab6826" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_da3e0a73-af59-417e-b897-581a9e2f46a2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_caba7a7a-eaa3-443b-a8a2-e9f7e1cd34f0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_da3e0a73-af59-417e-b897-581a9e2f46a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetResidualValue_8ce7169f-795e-41f1-8ae8-c499f605f663" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetResidualValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_da3e0a73-af59-417e-b897-581a9e2f46a2" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetResidualValue_8ce7169f-795e-41f1-8ae8-c499f605f663" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IncomeTaxes" xlink:type="simple" xlink:href="ceg-20211231.xsd#IncomeTaxes"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IncomeTaxes" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_a24af69e-69bf-4b25-a37d-1acb2dae06bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_a2c1d0f5-0337-4dda-9def-2d1fa2221ec4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_a24af69e-69bf-4b25-a37d-1acb2dae06bf" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_a2c1d0f5-0337-4dda-9def-2d1fa2221ec4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IncomeTaxesTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#IncomeTaxesTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IncomeTaxesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_de5d1e05-66f9-4bcf-a682-c1c860c6d961" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_00f6bae3-c301-41c2-a4ca-f97a1e27a1a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_de5d1e05-66f9-4bcf-a682-c1c860c6d961" xlink:to="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_00f6bae3-c301-41c2-a4ca-f97a1e27a1a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_ddb5bf5c-cfa4-4455-b2d1-40c6a62e2665" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_de5d1e05-66f9-4bcf-a682-c1c860c6d961" xlink:to="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_ddb5bf5c-cfa4-4455-b2d1-40c6a62e2665" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SummaryOfDeferredTaxLiabilityNotRecognizedTextBlock_1e8f8bf9-547b-444c-9af2-1573c95eadd6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SummaryOfDeferredTaxLiabilityNotRecognizedTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_de5d1e05-66f9-4bcf-a682-c1c860c6d961" xlink:to="loc_us-gaap_SummaryOfDeferredTaxLiabilityNotRecognizedTextBlock_1e8f8bf9-547b-444c-9af2-1573c95eadd6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_1a145534-b42a-4405-9ad3-40ade902f891" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_de5d1e05-66f9-4bcf-a682-c1c860c6d961" xlink:to="loc_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_1a145534-b42a-4405-9ad3-40ade902f891" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_022d4508-500a-410c-a45d-8554eab1ce4f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_de5d1e05-66f9-4bcf-a682-c1c860c6d961" xlink:to="loc_us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_022d4508-500a-410c-a45d-8554eab1ce4f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_9caf0170-e9be-4e24-a81c-4aa96b08d4f4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_de5d1e05-66f9-4bcf-a682-c1c860c6d961" xlink:to="loc_us-gaap_SummaryOfPositionsForWhichSignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTextBlock_9caf0170-e9be-4e24-a81c-4aa96b08d4f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AllocationofFederalTaxBenefitUnderTaxSharingAgreementTableTextBlockTableTextBlock_f9c85f23-7241-4798-86b9-b3cdd3db5da0" xlink:href="ceg-20211231.xsd#ceg_AllocationofFederalTaxBenefitUnderTaxSharingAgreementTableTextBlockTableTextBlock"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_de5d1e05-66f9-4bcf-a682-c1c860c6d961" xlink:to="loc_ceg_AllocationofFederalTaxBenefitUnderTaxSharingAgreementTableTextBlockTableTextBlock_f9c85f23-7241-4798-86b9-b3cdd3db5da0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IncomeTaxesNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IncomeTaxesNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_e290910f-dcb4-4405-86b6-206e53f94595" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncomeTaxesTable_de28299e-05be-44b5-98e9-2f8fb8300600" xlink:href="ceg-20211231.xsd#ceg_IncomeTaxesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_e290910f-dcb4-4405-86b6-206e53f94595" xlink:to="loc_ceg_IncomeTaxesTable_de28299e-05be-44b5-98e9-2f8fb8300600" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_95d7000b-1993-461f-a3bd-dc40ba67b995" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesTable_de28299e-05be-44b5-98e9-2f8fb8300600" xlink:to="loc_dei_LegalEntityAxis_95d7000b-1993-461f-a3bd-dc40ba67b995" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_6958c250-d0e3-4c18-a10a-f7ff7327cb34" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_95d7000b-1993-461f-a3bd-dc40ba67b995" xlink:to="loc_dei_EntityDomain_6958c250-d0e3-4c18-a10a-f7ff7327cb34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_69032cc6-c6e8-4461-92e2-0ea652c42246" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6958c250-d0e3-4c18-a10a-f7ff7327cb34" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_69032cc6-c6e8-4461-92e2-0ea652c42246" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_TaxAdjustmentAxis_30347097-29c0-406d-9bd2-9f5c3cb39101" xlink:href="ceg-20211231.xsd#ceg_TaxAdjustmentAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesTable_de28299e-05be-44b5-98e9-2f8fb8300600" xlink:to="loc_ceg_TaxAdjustmentAxis_30347097-29c0-406d-9bd2-9f5c3cb39101" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_TaxAdjustmentDomain_21a8b934-25d2-4939-98bf-4f8dcc37bb71" xlink:href="ceg-20211231.xsd#ceg_TaxAdjustmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_TaxAdjustmentAxis_30347097-29c0-406d-9bd2-9f5c3cb39101" xlink:to="loc_ceg_TaxAdjustmentDomain_21a8b934-25d2-4939-98bf-4f8dcc37bb71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CengMember_520b6371-8252-4952-9e70-d5ba385eecaf" xlink:href="ceg-20211231.xsd#ceg_CengMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_TaxAdjustmentDomain_21a8b934-25d2-4939-98bf-4f8dcc37bb71" xlink:to="loc_ceg_CengMember_520b6371-8252-4952-9e70-d5ba385eecaf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncomeTaxesLineItems_f3fa985e-9b41-4b19-b435-8386ab0067a0" xlink:href="ceg-20211231.xsd#ceg_IncomeTaxesLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesTable_de28299e-05be-44b5-98e9-2f8fb8300600" xlink:to="loc_ceg_IncomeTaxesLineItems_f3fa985e-9b41-4b19-b435-8386ab0067a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_5126000a-47b4-4552-a545-a0fd2cc1716c" xlink:href="ceg-20211231.xsd#ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesLineItems_f3fa985e-9b41-4b19-b435-8386ab0067a0" xlink:to="loc_ceg_DeferredTaxLiabilityAdjustmentNoncontrollingInterest_5126000a-47b4-4552-a545-a0fd2cc1716c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxCreditsAndAdjustments_45eda9c0-3b65-4ef4-9377-137ee522dd4e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxCreditsAndAdjustments"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesLineItems_f3fa985e-9b41-4b19-b435-8386ab0067a0" xlink:to="loc_us-gaap_IncomeTaxCreditsAndAdjustments_45eda9c0-3b65-4ef4-9377-137ee522dd4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefit_28160bbc-634a-4caf-ad81-0bb485c70c3b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefit"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesLineItems_f3fa985e-9b41-4b19-b435-8386ab0067a0" xlink:to="loc_us-gaap_CurrentFederalStateAndLocalTaxExpenseBenefit_28160bbc-634a-4caf-ad81-0bb485c70c3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IncomeTaxesComponentsofIncomeTaxExpenseBenefitfromContinuingOperationsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IncomeTaxesComponentsofIncomeTaxExpenseBenefitfromContinuingOperationsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IncomeTaxesComponentsofIncomeTaxExpenseBenefitfromContinuingOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_1534df83-2963-41c3-b20f-637a7b7bec1e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncomeTaxesTable_31d4663d-5ba7-48aa-b7d4-849fc7eee529" xlink:href="ceg-20211231.xsd#ceg_IncomeTaxesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_1534df83-2963-41c3-b20f-637a7b7bec1e" xlink:to="loc_ceg_IncomeTaxesTable_31d4663d-5ba7-48aa-b7d4-849fc7eee529" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_0a6828d6-b69b-4b38-a0ca-dfcaad647d60" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesTable_31d4663d-5ba7-48aa-b7d4-849fc7eee529" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_0a6828d6-b69b-4b38-a0ca-dfcaad647d60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_5ea19e64-661a-456e-85d4-c34c9038d656" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_0a6828d6-b69b-4b38-a0ca-dfcaad647d60" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_5ea19e64-661a-456e-85d4-c34c9038d656" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalRevenueServiceIRSMember_e17b1a29-6177-4901-8676-82afb3eae76d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_5ea19e64-661a-456e-85d4-c34c9038d656" xlink:to="loc_us-gaap_InternalRevenueServiceIRSMember_e17b1a29-6177-4901-8676-82afb3eae76d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_3e5434e6-5e41-464c-bcfd-33c8940e6e09" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_5ea19e64-661a-456e-85d4-c34c9038d656" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_3e5434e6-5e41-464c-bcfd-33c8940e6e09" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ac1063c4-5b1c-4cdc-9d93-4c870e7ba35d" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesTable_31d4663d-5ba7-48aa-b7d4-849fc7eee529" xlink:to="loc_dei_LegalEntityAxis_ac1063c4-5b1c-4cdc-9d93-4c870e7ba35d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_823199ef-9a6d-4519-b467-629a9f976739" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_ac1063c4-5b1c-4cdc-9d93-4c870e7ba35d" xlink:to="loc_dei_EntityDomain_823199ef-9a6d-4519-b467-629a9f976739" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_96d60298-56d2-4713-92cc-24d14fe5f183" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_823199ef-9a6d-4519-b467-629a9f976739" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_96d60298-56d2-4713-92cc-24d14fe5f183" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncomeTaxesLineItems_89edd709-4827-4367-89a6-00e5541bcc03" xlink:href="ceg-20211231.xsd#ceg_IncomeTaxesLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesTable_31d4663d-5ba7-48aa-b7d4-849fc7eee529" xlink:to="loc_ceg_IncomeTaxesLineItems_89edd709-4827-4367-89a6-00e5541bcc03" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_a1ee0f24-89b5-4b56-b9e2-08b7b08e2f96" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesLineItems_89edd709-4827-4367-89a6-00e5541bcc03" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_a1ee0f24-89b5-4b56-b9e2-08b7b08e2f96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_fde5a607-3ce1-4e1a-941a-843b0743d067" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesLineItems_89edd709-4827-4367-89a6-00e5541bcc03" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_fde5a607-3ce1-4e1a-941a-843b0743d067" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTaxCredit_f3ab6b5e-6204-4234-8821-b4835f9432f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentTaxCredit"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesLineItems_89edd709-4827-4367-89a6-00e5541bcc03" xlink:to="loc_us-gaap_InvestmentTaxCredit_f3ab6b5e-6204-4234-8821-b4835f9432f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_fb3d8d65-0892-4f9b-9e42-e0a17fc4cd10" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesLineItems_89edd709-4827-4367-89a6-00e5541bcc03" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_fb3d8d65-0892-4f9b-9e42-e0a17fc4cd10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IncomeTaxesReconciliationtoEffectiveTaxRateDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IncomeTaxesReconciliationtoEffectiveTaxRateDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IncomeTaxesReconciliationtoEffectiveTaxRateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_70a0ed19-f7e4-4daf-a9d3-2cc6e3c561fc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable_f99ade93-958c-41e6-9f9f-4abf15342783" xlink:href="ceg-20211231.xsd#ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_70a0ed19-f7e4-4daf-a9d3-2cc6e3c561fc" xlink:to="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable_f99ade93-958c-41e6-9f9f-4abf15342783" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_6f9912a3-2fde-406d-8209-d4a936e671cb" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable_f99ade93-958c-41e6-9f9f-4abf15342783" xlink:to="loc_dei_LegalEntityAxis_6f9912a3-2fde-406d-8209-d4a936e671cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_82ddbc9c-9acc-463d-b185-d24c3a745a4e" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_6f9912a3-2fde-406d-8209-d4a936e671cb" xlink:to="loc_dei_EntityDomain_82ddbc9c-9acc-463d-b185-d24c3a745a4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_3e2938c7-e2e5-400f-8e8d-678ca513fdab" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_82ddbc9c-9acc-463d-b185-d24c3a745a4e" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_3e2938c7-e2e5-400f-8e8d-678ca513fdab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_b88dca6b-625b-446e-a2ac-26e2b5c2c57d" xlink:href="ceg-20211231.xsd#ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateTable_f99ade93-958c-41e6-9f9f-4abf15342783" xlink:to="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_b88dca6b-625b-446e-a2ac-26e2b5c2c57d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_bde32330-bace-4296-b946-3e11763b0140" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_b88dca6b-625b-446e-a2ac-26e2b5c2c57d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_bde32330-bace-4296-b946-3e11763b0140" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_9f5ff8aa-4bb0-40ca-a431-eb054f086765" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_b88dca6b-625b-446e-a2ac-26e2b5c2c57d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_9f5ff8aa-4bb0-40ca-a431-eb054f086765" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EffectiveIncomeTaxRateReconciliationQualifiedDecommissioningInvestmentIncomePercent_32fbc3f1-8bc9-48b8-be45-56f965f0937c" xlink:href="ceg-20211231.xsd#ceg_EffectiveIncomeTaxRateReconciliationQualifiedDecommissioningInvestmentIncomePercent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_b88dca6b-625b-446e-a2ac-26e2b5c2c57d" xlink:to="loc_ceg_EffectiveIncomeTaxRateReconciliationQualifiedDecommissioningInvestmentIncomePercent_32fbc3f1-8bc9-48b8-be45-56f965f0937c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment_eeda48ee-e43d-45d6-a79f-e66b586bbe8f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_b88dca6b-625b-446e-a2ac-26e2b5c2c57d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment_eeda48ee-e43d-45d6-a79f-e66b586bbe8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_0357fcf7-0705-4ca0-9c8f-2a76944dfa95" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_b88dca6b-625b-446e-a2ac-26e2b5c2c57d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_0357fcf7-0705-4ca0-9c8f-2a76944dfa95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense_9dc4528f-6d0a-4499-afa5-1b2b38f93993" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_b88dca6b-625b-446e-a2ac-26e2b5c2c57d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense_9dc4528f-6d0a-4499-afa5-1b2b38f93993" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements_3dd92216-d89f-4382-a004-317001c12244" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_b88dca6b-625b-446e-a2ac-26e2b5c2c57d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements_3dd92216-d89f-4382-a004-317001c12244" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_123ad0a4-1d58-4831-8a82-6a1c2479428c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_b88dca6b-625b-446e-a2ac-26e2b5c2c57d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_123ad0a4-1d58-4831-8a82-6a1c2479428c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_c53882d6-e6ea-4e39-bd34-adea1dd19960" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateLineItems_b88dca6b-625b-446e-a2ac-26e2b5c2c57d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_c53882d6-e6ea-4e39-bd34-adea1dd19960" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IncomeTaxesTaxEffectsofTemporaryDifferencesandCarryforwardsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IncomeTaxesTaxEffectsofTemporaryDifferencesandCarryforwardsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IncomeTaxesTaxEffectsofTemporaryDifferencesandCarryforwardsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_f4aff73a-25b3-4a8a-b332-3a89ee409bb7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwardsTable_e72a3029-9fde-4d84-8ef2-77d66f0fae01" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_f4aff73a-25b3-4a8a-b332-3a89ee409bb7" xlink:to="loc_us-gaap_OperatingLossCarryforwardsTable_e72a3029-9fde-4d84-8ef2-77d66f0fae01" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_838dab00-e8b2-4a5f-8041-ba64bae3d5e0" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_e72a3029-9fde-4d84-8ef2-77d66f0fae01" xlink:to="loc_dei_LegalEntityAxis_838dab00-e8b2-4a5f-8041-ba64bae3d5e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_46f22264-8386-4c7e-b396-0987bddf2fd8" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_838dab00-e8b2-4a5f-8041-ba64bae3d5e0" xlink:to="loc_dei_EntityDomain_46f22264-8386-4c7e-b396-0987bddf2fd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_67985113-b1e9-42a3-8342-9ee8b9f4b608" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_46f22264-8386-4c7e-b396-0987bddf2fd8" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_67985113-b1e9-42a3-8342-9ee8b9f4b608" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_e72a3029-9fde-4d84-8ef2-77d66f0fae01" xlink:to="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_d85eac3f-8854-4925-8c8e-0bda6ac762eb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_d85eac3f-8854-4925-8c8e-0bda6ac762eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOtherFiniteLivedAssets_ff0bd887-28ec-4a31-9ec6-5c40de44a91a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOtherFiniteLivedAssets"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOtherFiniteLivedAssets_ff0bd887-28ec-4a31-9ec6-5c40de44a91a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesDerivatives_6dfdc6e6-57f7-4908-85c9-c5dee5eb28a2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesDerivatives"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesDerivatives_6dfdc6e6-57f7-4908-85c9-c5dee5eb28a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DeferredTaxLiabilitiesDeferredPensionAndOtherPostretirementBenefitObligation_2003888f-3652-4b79-8094-0c7ccab2c6ef" xlink:href="ceg-20211231.xsd#ceg_DeferredTaxLiabilitiesDeferredPensionAndOtherPostretirementBenefitObligation"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_ceg_DeferredTaxLiabilitiesDeferredPensionAndOtherPostretirementBenefitObligation_2003888f-3652-4b79-8094-0c7ccab2c6ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesInvestments_7f19099d-afc8-4f14-859d-1bf79bba0530" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesInvestments"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesInvestments_7f19099d-afc8-4f14-859d-1bf79bba0530" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts_6d3b80a3-1c33-4bc3-9d49-4d63459977bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts_6d3b80a3-1c33-4bc3-9d49-4d63459977bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration_041e729c-ecc6-4803-b31b-0802eaf61d9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration_041e729c-ecc6-4803-b31b-0802eaf61d9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness_4e48e327-5523-42f5-ab6e-60e4595667fa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness_4e48e327-5523-42f5-ab6e-60e4595667fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsEquityMethodInvestments_6ca5aa3d-2c44-442f-8e9d-732676c42ca9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsEquityMethodInvestments"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_DeferredTaxAssetsEquityMethodInvestments_6ca5aa3d-2c44-442f-8e9d-732676c42ca9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_91e6a072-f79b-42b2-a760-4c4cddb591b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_91e6a072-f79b-42b2-a760-4c4cddb591b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_0c9f55c4-36eb-4bf0-8ac1-3fbcd6a2cf72" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_0c9f55c4-36eb-4bf0-8ac1-3fbcd6a2cf72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDeferredInvestmentTaxCredit_b5ce9220-30a3-494f-a8c0-0cbff80896bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDeferredInvestmentTaxCredit"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_AccumulatedDeferredInvestmentTaxCredit_b5ce9220-30a3-494f-a8c0-0cbff80896bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DeferredIncomeTaxLiabilitiesAndAccumulatedDeferredInvestmentTaxCredit_dddb3633-ad2a-4689-9432-5a331f38e1a6" xlink:href="ceg-20211231.xsd#ceg_DeferredIncomeTaxLiabilitiesAndAccumulatedDeferredInvestmentTaxCredit"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_ceg_DeferredIncomeTaxLiabilitiesAndAccumulatedDeferredInvestmentTaxCredit_dddb3633-ad2a-4689-9432-5a331f38e1a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_321a3511-99b4-4a3c-87b3-539e0129b7af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_c20db0fc-185e-4d2e-8700-ad1f25cf76cc" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_321a3511-99b4-4a3c-87b3-539e0129b7af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IncomeTaxesScheduleofCarryforwardsandCorrespondingValuationAllowancesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IncomeTaxesScheduleofCarryforwardsandCorrespondingValuationAllowancesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IncomeTaxesScheduleofCarryforwardsandCorrespondingValuationAllowancesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_90354464-36fd-4507-81c1-226a2e616522" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwardsTable_024f4ed8-fa55-4b1c-84ca-01d05153ca88" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_90354464-36fd-4507-81c1-226a2e616522" xlink:to="loc_us-gaap_OperatingLossCarryforwardsTable_024f4ed8-fa55-4b1c-84ca-01d05153ca88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_7279a111-156e-4c67-968e-0ebc56fd7c73" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_024f4ed8-fa55-4b1c-84ca-01d05153ca88" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_7279a111-156e-4c67-968e-0ebc56fd7c73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_ac052893-fa04-4ab9-8278-28e31856b83e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_7279a111-156e-4c67-968e-0ebc56fd7c73" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_ac052893-fa04-4ab9-8278-28e31856b83e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalRevenueServiceIRSMember_4217834d-1afb-4e86-a813-b1ba8aaa66b7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_ac052893-fa04-4ab9-8278-28e31856b83e" xlink:to="loc_us-gaap_InternalRevenueServiceIRSMember_4217834d-1afb-4e86-a813-b1ba8aaa66b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_47013d1d-f230-49cc-b9a0-159e211ba97a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_ac052893-fa04-4ab9-8278-28e31856b83e" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_47013d1d-f230-49cc-b9a0-159e211ba97a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxCreditCarryforwardAxis_44b22880-ad1a-4c17-b50e-ff4a6ece719d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxCreditCarryforwardAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_024f4ed8-fa55-4b1c-84ca-01d05153ca88" xlink:to="loc_us-gaap_TaxCreditCarryforwardAxis_44b22880-ad1a-4c17-b50e-ff4a6ece719d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxCreditCarryforwardNameDomain_3de53ad1-080a-49fd-8424-95ce6fb0c5b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxCreditCarryforwardNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TaxCreditCarryforwardAxis_44b22880-ad1a-4c17-b50e-ff4a6ece719d" xlink:to="loc_us-gaap_TaxCreditCarryforwardNameDomain_3de53ad1-080a-49fd-8424-95ce6fb0c5b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralBusinessMember_85a68f2b-6c68-44c1-98c1-ec1d14b43fa9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GeneralBusinessMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TaxCreditCarryforwardNameDomain_3de53ad1-080a-49fd-8424-95ce6fb0c5b1" xlink:to="loc_us-gaap_GeneralBusinessMember_85a68f2b-6c68-44c1-98c1-ec1d14b43fa9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_d2d8b964-5df8-4d60-8b8e-1a810b5ad445" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_024f4ed8-fa55-4b1c-84ca-01d05153ca88" xlink:to="loc_dei_LegalEntityAxis_d2d8b964-5df8-4d60-8b8e-1a810b5ad445" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_fc48eb78-df3b-4bbd-bcd2-83d4245738bc" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_d2d8b964-5df8-4d60-8b8e-1a810b5ad445" xlink:to="loc_dei_EntityDomain_fc48eb78-df3b-4bbd-bcd2-83d4245738bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_4116401a-e90a-4a06-9a13-5dcc152b9e8c" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_fc48eb78-df3b-4bbd-bcd2-83d4245738bc" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_4116401a-e90a-4a06-9a13-5dcc152b9e8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwardsLineItems_5fece243-f879-47aa-bde0-0dadd41e71e7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_024f4ed8-fa55-4b1c-84ca-01d05153ca88" xlink:to="loc_us-gaap_OperatingLossCarryforwardsLineItems_5fece243-f879-47aa-bde0-0dadd41e71e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxCreditCarryforwardAmount_96caf6f4-9571-4104-83d5-5ad288ef544b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxCreditCarryforwardAmount"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_5fece243-f879-47aa-bde0-0dadd41e71e7" xlink:to="loc_us-gaap_TaxCreditCarryforwardAmount_96caf6f4-9571-4104-83d5-5ad288ef544b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwards_cc589f77-7cb8-48f3-9854-c4f75496a0e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwards"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_5fece243-f879-47aa-bde0-0dadd41e71e7" xlink:to="loc_us-gaap_OperatingLossCarryforwards_cc589f77-7cb8-48f3-9854-c4f75496a0e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_90eb6c8c-0e91-4922-8a24-a880a4567f7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_5fece243-f879-47aa-bde0-0dadd41e71e7" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_90eb6c8c-0e91-4922-8a24-a880a4567f7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwardsValuationAllowance_08ab43ff-43a3-48c2-81ae-7cb91869f0f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwardsValuationAllowance"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_5fece243-f879-47aa-bde0-0dadd41e71e7" xlink:to="loc_us-gaap_OperatingLossCarryforwardsValuationAllowance_08ab43ff-43a3-48c2-81ae-7cb91869f0f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwardsExpirationDate_f91d2904-2766-40fc-9a9f-d7581a601864" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwardsExpirationDate"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_5fece243-f879-47aa-bde0-0dadd41e71e7" xlink:to="loc_us-gaap_OperatingLossCarryforwardsExpirationDate_f91d2904-2766-40fc-9a9f-d7581a601864" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxCreditCarryforwardExpirationDate_52dd7098-6db6-4c24-bd43-05b6be9c0805" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxCreditCarryforwardExpirationDate"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_5fece243-f879-47aa-bde0-0dadd41e71e7" xlink:to="loc_us-gaap_TaxCreditCarryforwardExpirationDate_52dd7098-6db6-4c24-bd43-05b6be9c0805" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IncomeTaxesReconciliationofUnrecognizedTaxBenefitsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IncomeTaxesReconciliationofUnrecognizedTaxBenefitsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IncomeTaxesReconciliationofUnrecognizedTaxBenefitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_afa78340-a3bb-40a3-a6e9-4f7d5e2202f3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncomeTaxesTable_0c4e8fd4-4835-4e10-ad01-cb0890e89aea" xlink:href="ceg-20211231.xsd#ceg_IncomeTaxesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_afa78340-a3bb-40a3-a6e9-4f7d5e2202f3" xlink:to="loc_ceg_IncomeTaxesTable_0c4e8fd4-4835-4e10-ad01-cb0890e89aea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_98d5fac2-e361-4a07-bf3c-2ced346254fd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesTable_0c4e8fd4-4835-4e10-ad01-cb0890e89aea" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_98d5fac2-e361-4a07-bf3c-2ced346254fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_609211c5-3f22-4f1d-9bcd-76f01492cea9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_98d5fac2-e361-4a07-bf3c-2ced346254fd" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_609211c5-3f22-4f1d-9bcd-76f01492cea9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalRevenueServiceIRSMember_ce768237-307f-45d6-b459-2eb1fb7648c0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_609211c5-3f22-4f1d-9bcd-76f01492cea9" xlink:to="loc_us-gaap_InternalRevenueServiceIRSMember_ce768237-307f-45d6-b459-2eb1fb7648c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_11b46728-0a5c-43c1-af89-2e103e0756f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_609211c5-3f22-4f1d-9bcd-76f01492cea9" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_11b46728-0a5c-43c1-af89-2e103e0756f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_e2fdd210-9154-4309-947f-63a2a241085e" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesTable_0c4e8fd4-4835-4e10-ad01-cb0890e89aea" xlink:to="loc_dei_LegalEntityAxis_e2fdd210-9154-4309-947f-63a2a241085e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_08be4e05-26d3-4c71-9e3c-e7cd9c8c6b2a" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_e2fdd210-9154-4309-947f-63a2a241085e" xlink:to="loc_dei_EntityDomain_08be4e05-26d3-4c71-9e3c-e7cd9c8c6b2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_32756481-9f10-49e6-901e-a34cc6ad27ef" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_08be4e05-26d3-4c71-9e3c-e7cd9c8c6b2a" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_32756481-9f10-49e6-901e-a34cc6ad27ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncomeTaxesLineItems_ec2351b4-9e2a-4ddc-9d54-be6810b1f6a2" xlink:href="ceg-20211231.xsd#ceg_IncomeTaxesLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesTable_0c4e8fd4-4835-4e10-ad01-cb0890e89aea" xlink:to="loc_ceg_IncomeTaxesLineItems_ec2351b4-9e2a-4ddc-9d54-be6810b1f6a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesLineItems_ec2351b4-9e2a-4ddc-9d54-be6810b1f6a2" xlink:to="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_55d6900f-75a6-41b2-aa4f-9c1100f017ea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefits"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_55d6900f-75a6-41b2-aa4f-9c1100f017ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_43b643b6-a8dd-4535-a8bc-ad98b04eb4ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_43b643b6-a8dd-4535-a8bc-ad98b04eb4ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_737424e8-0733-436f-a43c-f65fbe6d2797" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_737424e8-0733-436f-a43c-f65fbe6d2797" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_a007e73d-1d1f-4aa9-81f0-6c6b92660e3d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_a007e73d-1d1f-4aa9-81f0-6c6b92660e3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_cd2e17b9-2b95-4d1c-b317-7e3ada7fea89" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_cd2e17b9-2b95-4d1c-b317-7e3ada7fea89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_dd3806e0-3a2f-4a23-9abc-8c2189e19b54" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_dd3806e0-3a2f-4a23-9abc-8c2189e19b54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_9b44cd8a-a96b-4a54-a639-5f682b236815" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefits"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_9b44cd8a-a96b-4a54-a639-5f682b236815" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_d4c08dd2-ae61-4748-80a9-040ec5c29ba4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:to="loc_us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_d4c08dd2-ae61-4748-80a9-040ec5c29ba4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_6856a21b-2ce3-4642-a3a0-c9d4e41f27e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:to="loc_us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_6856a21b-2ce3-4642-a3a0-c9d4e41f27e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_515d07cb-3ded-4a6c-8600-6c055316d128" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_3099016b-a89b-47fb-9fd8-9a16e6cd8fc7" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_515d07cb-3ded-4a6c-8600-6c055316d128" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IncomeTaxesRecognitionofUnrecognizedTaxBenefitsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IncomeTaxesRecognitionofUnrecognizedTaxBenefitsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IncomeTaxesRecognitionofUnrecognizedTaxBenefitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_630319d7-8671-4f50-9642-6a03817f4a8d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RecognitionofUnrecognizedTaxBenefitsTable_f5fd3798-fd1f-4c1d-aeb9-0889d1eeb8c3" xlink:href="ceg-20211231.xsd#ceg_RecognitionofUnrecognizedTaxBenefitsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_630319d7-8671-4f50-9642-6a03817f4a8d" xlink:to="loc_ceg_RecognitionofUnrecognizedTaxBenefitsTable_f5fd3798-fd1f-4c1d-aeb9-0889d1eeb8c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_0346bc7e-b2d4-4456-ae76-32284e1f4fb3" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RecognitionofUnrecognizedTaxBenefitsTable_f5fd3798-fd1f-4c1d-aeb9-0889d1eeb8c3" xlink:to="loc_dei_LegalEntityAxis_0346bc7e-b2d4-4456-ae76-32284e1f4fb3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_329fe111-cdbe-4bb1-b680-5ea478b346a9" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_0346bc7e-b2d4-4456-ae76-32284e1f4fb3" xlink:to="loc_dei_EntityDomain_329fe111-cdbe-4bb1-b680-5ea478b346a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_1a44dcea-d4bd-43ac-a375-b1af04147cd1" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_329fe111-cdbe-4bb1-b680-5ea478b346a9" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_1a44dcea-d4bd-43ac-a375-b1af04147cd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyLineItems_508a68cd-5921-462a-90e1-eada5f7b384f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxContingencyLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RecognitionofUnrecognizedTaxBenefitsTable_f5fd3798-fd1f-4c1d-aeb9-0889d1eeb8c3" xlink:to="loc_us-gaap_IncomeTaxContingencyLineItems_508a68cd-5921-462a-90e1-eada5f7b384f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_4549b0d1-6c9d-4e29-81b0-8f59f3aaaf9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_508a68cd-5921-462a-90e1-eada5f7b384f" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_4549b0d1-6c9d-4e29-81b0-8f59f3aaaf9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/IncomeTaxesAllocationofTaxBenefitsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#IncomeTaxesAllocationofTaxBenefitsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/IncomeTaxesAllocationofTaxBenefitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_7ff4b9d8-7637-4ee2-9ded-1f2bb8e21f40" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncomeTaxesTable_9f44bc02-d561-495e-aa2e-62917d65c260" xlink:href="ceg-20211231.xsd#ceg_IncomeTaxesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_7ff4b9d8-7637-4ee2-9ded-1f2bb8e21f40" xlink:to="loc_ceg_IncomeTaxesTable_9f44bc02-d561-495e-aa2e-62917d65c260" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_6f3ce645-2bda-4108-bdeb-2ac390b12338" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesTable_9f44bc02-d561-495e-aa2e-62917d65c260" xlink:to="loc_dei_LegalEntityAxis_6f3ce645-2bda-4108-bdeb-2ac390b12338" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_d8de877b-555b-4353-a90c-6e221a0ac1cc" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_6f3ce645-2bda-4108-bdeb-2ac390b12338" xlink:to="loc_dei_EntityDomain_d8de877b-555b-4353-a90c-6e221a0ac1cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_266127cf-be81-4299-8469-3a94ddc28249" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_d8de877b-555b-4353-a90c-6e221a0ac1cc" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_266127cf-be81-4299-8469-3a94ddc28249" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncomeTaxesLineItems_6830f59c-adfd-40e2-9b7a-dc7c82521198" xlink:href="ceg-20211231.xsd#ceg_IncomeTaxesLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesTable_9f44bc02-d561-495e-aa2e-62917d65c260" xlink:to="loc_ceg_IncomeTaxesLineItems_6830f59c-adfd-40e2-9b7a-dc7c82521198" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AllocationOfFederalTaxBenefitUnderTaxSharingAgreement_cf532e65-c11e-4b2b-b7e3-bcaeeec28f40" xlink:href="ceg-20211231.xsd#ceg_AllocationOfFederalTaxBenefitUnderTaxSharingAgreement"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_IncomeTaxesLineItems_6830f59c-adfd-40e2-9b7a-dc7c82521198" xlink:to="loc_ceg_AllocationOfFederalTaxBenefitUnderTaxSharingAgreement_cf532e65-c11e-4b2b-b7e3-bcaeeec28f40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RetirementBenefits" xlink:type="simple" xlink:href="ceg-20211231.xsd#RetirementBenefits"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RetirementBenefits" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_00d39d1a-88b1-4359-8ab5-14857a17fd4f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_8b52a37f-35ce-43ef-ac23-e0cdf2eb3249" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_00d39d1a-88b1-4359-8ab5-14857a17fd4f" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_8b52a37f-35ce-43ef-ac23-e0cdf2eb3249" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RetirementBenefitsTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#RetirementBenefitsTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RetirementBenefitsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_aef183a1-3c60-469a-9b5e-8bff95e3d3b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PensionAndOtherPostretirementBenefitContributionsTableTextBlock_3da76a68-d57a-4ac2-a410-ef42c3f34458" xlink:href="ceg-20211231.xsd#ceg_PensionAndOtherPostretirementBenefitContributionsTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_aef183a1-3c60-469a-9b5e-8bff95e3d3b4" xlink:to="loc_ceg_PensionAndOtherPostretirementBenefitContributionsTableTextBlock_3da76a68-d57a-4ac2-a410-ef42c3f34458" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RetirementBenefitsNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#RetirementBenefitsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RetirementBenefitsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_b1d33f34-8320-487f-9657-5563bd159584" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_ffc78e53-ff5a-4317-82c7-7a797ff2cd79" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_b1d33f34-8320-487f-9657-5563bd159584" xlink:to="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_ffc78e53-ff5a-4317-82c7-7a797ff2cd79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_15a0ab2c-1d8b-42b0-91b3-29c5ac4d2d65" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_ffc78e53-ff5a-4317-82c7-7a797ff2cd79" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_15a0ab2c-1d8b-42b0-91b3-29c5ac4d2d65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_0c616254-cd9c-4a66-8b01-ae4667016d52" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_15a0ab2c-1d8b-42b0-91b3-29c5ac4d2d65" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_0c616254-cd9c-4a66-8b01-ae4667016d52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_6f5df7b2-645a-4d76-a601-2142d96e5b61" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_0c616254-cd9c-4a66-8b01-ae4667016d52" xlink:to="loc_us-gaap_SubsequentEventMember_6f5df7b2-645a-4d76-a601-2142d96e5b61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_24fa1315-c891-4d3d-80c9-210372d39f65" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_ffc78e53-ff5a-4317-82c7-7a797ff2cd79" xlink:to="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_24fa1315-c891-4d3d-80c9-210372d39f65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_43ca40f1-1f41-47cf-a41f-e227b4dfeb7f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanAssetCategoriesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_24fa1315-c891-4d3d-80c9-210372d39f65" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_43ca40f1-1f41-47cf-a41f-e227b4dfeb7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAssumptionsForPensionPlansMember_e56b4d09-f707-4e1f-b4c5-233fe1a4bc40" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ChangeInAssumptionsForPensionPlansMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_43ca40f1-1f41-47cf-a41f-e227b4dfeb7f" xlink:to="loc_us-gaap_ChangeInAssumptionsForPensionPlansMember_e56b4d09-f707-4e1f-b4c5-233fe1a4bc40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsMember_f91e0031-c121-4830-80be-5154bf298e64" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_43ca40f1-1f41-47cf-a41f-e227b4dfeb7f" xlink:to="loc_us-gaap_AssetsMember_f91e0031-c121-4830-80be-5154bf298e64" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_29ffa070-7de8-4a95-97b5-a88974b10b51" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_ffc78e53-ff5a-4317-82c7-7a797ff2cd79" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_29ffa070-7de8-4a95-97b5-a88974b10b51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_8d851f5d-1f0f-40e4-b276-576b68d4e971" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_29ffa070-7de8-4a95-97b5-a88974b10b51" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_8d851f5d-1f0f-40e4-b276-576b68d4e971" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_d8d74910-dc39-4bc3-98b3-d3b685eae781" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_8d851f5d-1f0f-40e4-b276-576b68d4e971" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_d8d74910-dc39-4bc3-98b3-d3b685eae781" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_1aed430a-ba2c-4b79-8d21-ba905691a8ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_8d851f5d-1f0f-40e4-b276-576b68d4e971" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_1aed430a-ba2c-4b79-8d21-ba905691a8ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_QualifiedPlanMember_d298e368-3373-4988-80a9-b90d9b737bef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_QualifiedPlanMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_8d851f5d-1f0f-40e4-b276-576b68d4e971" xlink:to="loc_us-gaap_QualifiedPlanMember_d298e368-3373-4988-80a9-b90d9b737bef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonQualifiedPensionPlanMember_f67803dd-ace4-4764-bd45-82ac44e02805" xlink:href="ceg-20211231.xsd#ceg_NonQualifiedPensionPlanMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_8d851f5d-1f0f-40e4-b276-576b68d4e971" xlink:to="loc_ceg_NonQualifiedPensionPlanMember_f67803dd-ace4-4764-bd45-82ac44e02805" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PensionAndOtherPostRetirementBenefitMember_3b50b5a1-a18f-47de-85a6-5711de2c722f" xlink:href="ceg-20211231.xsd#ceg_PensionAndOtherPostRetirementBenefitMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_8d851f5d-1f0f-40e4-b276-576b68d4e971" xlink:to="loc_ceg_PensionAndOtherPostRetirementBenefitMember_3b50b5a1-a18f-47de-85a6-5711de2c722f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_7bf1bf23-3563-4ebd-8a2b-0a6ad684c339" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_ffc78e53-ff5a-4317-82c7-7a797ff2cd79" xlink:to="loc_dei_LegalEntityAxis_7bf1bf23-3563-4ebd-8a2b-0a6ad684c339" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_782a4662-03fe-4d3b-9e38-6cff0a94eb37" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_7bf1bf23-3563-4ebd-8a2b-0a6ad684c339" xlink:to="loc_dei_EntityDomain_782a4662-03fe-4d3b-9e38-6cff0a94eb37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_bb9f7e5e-aaef-453a-842d-821b09ffb6e1" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_782a4662-03fe-4d3b-9e38-6cff0a94eb37" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_bb9f7e5e-aaef-453a-842d-821b09ffb6e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_a080bc9a-e01b-4a6d-a960-221c7ede5131" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_ffc78e53-ff5a-4317-82c7-7a797ff2cd79" xlink:to="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_a080bc9a-e01b-4a6d-a960-221c7ede5131" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_6c24b55a-cb67-4ece-a9ac-68130918d0b8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_a080bc9a-e01b-4a6d-a960-221c7ede5131" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_6c24b55a-cb67-4ece-a9ac-68130918d0b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_5585bda2-7b3a-441c-ae3f-d65acfa47e72" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_a080bc9a-e01b-4a6d-a960-221c7ede5131" xlink:to="loc_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_5585bda2-7b3a-441c-ae3f-d65acfa47e72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RetirementBenefitsContributionsmadetoPensionandOtherPostretirementBenefitPlansDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#RetirementBenefitsContributionsmadetoPensionandOtherPostretirementBenefitPlansDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RetirementBenefitsContributionsmadetoPensionandOtherPostretirementBenefitPlansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_c6ebe934-a156-44c1-bf2d-f23f3a7c2ffb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_5e5b0ca5-aee5-4214-91bc-cf83b3151f0b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_c6ebe934-a156-44c1-bf2d-f23f3a7c2ffb" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_5e5b0ca5-aee5-4214-91bc-cf83b3151f0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_daa360ed-d561-43a8-a0c7-c2902a201f57" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_5e5b0ca5-aee5-4214-91bc-cf83b3151f0b" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_daa360ed-d561-43a8-a0c7-c2902a201f57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_60c7848d-7f03-44a1-8cec-c286158a786e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_daa360ed-d561-43a8-a0c7-c2902a201f57" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_60c7848d-7f03-44a1-8cec-c286158a786e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_40baac8c-6b7d-42a9-8acc-710741920e42" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_60c7848d-7f03-44a1-8cec-c286158a786e" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_40baac8c-6b7d-42a9-8acc-710741920e42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_b4659d26-2fba-4352-9457-525efc815845" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_60c7848d-7f03-44a1-8cec-c286158a786e" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_b4659d26-2fba-4352-9457-525efc815845" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ff7b4dd6-07c5-42dc-9fc0-7e72c4a29153" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_5e5b0ca5-aee5-4214-91bc-cf83b3151f0b" xlink:to="loc_dei_LegalEntityAxis_ff7b4dd6-07c5-42dc-9fc0-7e72c4a29153" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_dab12281-1428-4d3a-855b-99b3b1987026" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_ff7b4dd6-07c5-42dc-9fc0-7e72c4a29153" xlink:to="loc_dei_EntityDomain_dab12281-1428-4d3a-855b-99b3b1987026" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_8a0ae7bd-89f4-4714-a101-b1a0def849fe" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_dab12281-1428-4d3a-855b-99b3b1987026" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_8a0ae7bd-89f4-4714-a101-b1a0def849fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_f2960b4c-1671-4e9e-abe5-0cdd0e1d73d5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_5e5b0ca5-aee5-4214-91bc-cf83b3151f0b" xlink:to="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_f2960b4c-1671-4e9e-abe5-0cdd0e1d73d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_6f4a4db8-220b-4675-a1c8-b2d822b93839" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributions"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_f2960b4c-1671-4e9e-abe5-0cdd0e1d73d5" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_6f4a4db8-220b-4675-a1c8-b2d822b93839" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_QualifiedDefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear_d24daf45-e5d2-4cc3-ac86-2c039b2873b5" xlink:href="ceg-20211231.xsd#ceg_QualifiedDefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_f2960b4c-1671-4e9e-abe5-0cdd0e1d73d5" xlink:to="loc_ceg_QualifiedDefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear_d24daf45-e5d2-4cc3-ac86-2c039b2873b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_710db9d9-d56e-40b4-8fc0-d483f63b2560" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_f2960b4c-1671-4e9e-abe5-0cdd0e1d73d5" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_710db9d9-d56e-40b4-8fc0-d483f63b2560" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DefinedOtherPostretirementBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear_93dda2a8-c6aa-48ce-8f95-0fbd9aa588a3" xlink:href="ceg-20211231.xsd#ceg_DefinedOtherPostretirementBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_f2960b4c-1671-4e9e-abe5-0cdd0e1d73d5" xlink:to="loc_ceg_DefinedOtherPostretirementBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear_93dda2a8-c6aa-48ce-8f95-0fbd9aa588a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DerivativeFinancialInstruments" xlink:type="simple" xlink:href="ceg-20211231.xsd#DerivativeFinancialInstruments"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DerivativeFinancialInstruments" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_11df0756-5854-4421-b187-ef58d147b84f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_1170e3f7-c676-404c-8a71-a2c1d1c6f098" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_11df0756-5854-4421-b187-ef58d147b84f" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_1170e3f7-c676-404c-8a71-a2c1d1c6f098" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#DerivativeFinancialInstrumentsTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_934b876e-bd88-43d4-85a9-bda7b2f7aab6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_32dac480-4541-4a1c-8cbc-a5d2bdf988b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_934b876e-bd88-43d4-85a9-bda7b2f7aab6" xlink:to="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_32dac480-4541-4a1c-8cbc-a5d2bdf988b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_7c75df86-5ad9-4667-8b88-c39ea498c50e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_934b876e-bd88-43d4-85a9-bda7b2f7aab6" xlink:to="loc_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_7c75df86-5ad9-4667-8b88-c39ea498c50e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCreditDerivativesTextBlock_e5a01d14-81d6-4b3c-9f2b-fba543cb3cb1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCreditDerivativesTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_934b876e-bd88-43d4-85a9-bda7b2f7aab6" xlink:to="loc_us-gaap_DisclosureOfCreditDerivativesTextBlock_e5a01d14-81d6-4b3c-9f2b-fba543cb3cb1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueofDerivativeswithCreditRiskRelatedContingentFeaturesTableTextBlockTableTextBlock_34358d57-2a0c-403f-b300-20f5dcfdb1e5" xlink:href="ceg-20211231.xsd#ceg_FairValueofDerivativeswithCreditRiskRelatedContingentFeaturesTableTextBlockTableTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_934b876e-bd88-43d4-85a9-bda7b2f7aab6" xlink:to="loc_ceg_FairValueofDerivativeswithCreditRiskRelatedContingentFeaturesTableTextBlockTableTextBlock_34358d57-2a0c-403f-b300-20f5dcfdb1e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CashCollateralandLettersofCreditonDerivativeContractsTableTextBlock_35b6f8d3-becb-46c2-80b2-0d4b9f2a790a" xlink:href="ceg-20211231.xsd#ceg_CashCollateralandLettersofCreditonDerivativeContractsTableTextBlock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_934b876e-bd88-43d4-85a9-bda7b2f7aab6" xlink:to="loc_ceg_CashCollateralandLettersofCreditonDerivativeContractsTableTextBlock_35b6f8d3-becb-46c2-80b2-0d4b9f2a790a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DerivativeFinancialInstrumentsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_cdd3838b-f51b-4181-9dce-897352ba4330" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_f6814950-67e4-4b21-941e-b2fae3d47a74" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_cdd3838b-f51b-4181-9dce-897352ba4330" xlink:to="loc_us-gaap_DerivativeTable_f6814950-67e4-4b21-941e-b2fae3d47a74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_6dc9230c-8489-44e4-befb-26132138325c" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_f6814950-67e4-4b21-941e-b2fae3d47a74" xlink:to="loc_dei_LegalEntityAxis_6dc9230c-8489-44e4-befb-26132138325c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_064fbbd6-9a41-4c2a-adc2-301731b4b3c2" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_6dc9230c-8489-44e4-befb-26132138325c" xlink:to="loc_dei_EntityDomain_064fbbd6-9a41-4c2a-adc2-301731b4b3c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_45825583-edc5-42dd-aa3e-13085fa58531" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_064fbbd6-9a41-4c2a-adc2-301731b4b3c2" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_45825583-edc5-42dd-aa3e-13085fa58531" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_e09dc6a8-18f8-4004-8846-f1e1747d1561" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_f6814950-67e4-4b21-941e-b2fae3d47a74" xlink:to="loc_srt_RangeAxis_e09dc6a8-18f8-4004-8846-f1e1747d1561" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_5ebe23fa-ecf1-43c8-8ce0-298478bc7ab2" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_e09dc6a8-18f8-4004-8846-f1e1747d1561" xlink:to="loc_srt_RangeMember_5ebe23fa-ecf1-43c8-8ce0-298478bc7ab2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_6cda9a5c-009c-446f-ab81-3592bd6b2024" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_5ebe23fa-ecf1-43c8-8ce0-298478bc7ab2" xlink:to="loc_srt_MinimumMember_6cda9a5c-009c-446f-ab81-3592bd6b2024" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_e7e96677-f5cb-465f-8b4b-148e3265843f" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_5ebe23fa-ecf1-43c8-8ce0-298478bc7ab2" xlink:to="loc_srt_MaximumMember_e7e96677-f5cb-465f-8b4b-148e3265843f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_97abc7ae-1d76-4024-9f87-081aee33ba26" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_f6814950-67e4-4b21-941e-b2fae3d47a74" xlink:to="loc_us-gaap_HedgingDesignationAxis_97abc7ae-1d76-4024-9f87-081aee33ba26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_f1cc7467-b72d-4c9a-9822-e7ad3b90a7c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationAxis_97abc7ae-1d76-4024-9f87-081aee33ba26" xlink:to="loc_us-gaap_HedgingDesignationDomain_f1cc7467-b72d-4c9a-9822-e7ad3b90a7c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_792a3e5e-2574-41d0-869c-b134db25fa69" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationDomain_f1cc7467-b72d-4c9a-9822-e7ad3b90a7c8" xlink:to="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_792a3e5e-2574-41d0-869c-b134db25fa69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_ad527d2a-2588-4aed-ac7e-0f280302f35b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_f6814950-67e4-4b21-941e-b2fae3d47a74" xlink:to="loc_us-gaap_DerivativeLineItems_ad527d2a-2588-4aed-ac7e-0f280302f35b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExpectedGenerationHedgedInNextTwelveMonths_416538fa-9fe0-4cbb-8833-af72894f983a" xlink:href="ceg-20211231.xsd#ceg_ExpectedGenerationHedgedInNextTwelveMonths"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_ad527d2a-2588-4aed-ac7e-0f280302f35b" xlink:to="loc_ceg_ExpectedGenerationHedgedInNextTwelveMonths_416538fa-9fe0-4cbb-8833-af72894f983a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExpectedGenerationHedgedInYearTwo_94bbb7c8-1f68-493e-b224-3b8e3efc40bf" xlink:href="ceg-20211231.xsd#ceg_ExpectedGenerationHedgedInYearTwo"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_ad527d2a-2588-4aed-ac7e-0f280302f35b" xlink:to="loc_ceg_ExpectedGenerationHedgedInYearTwo_94bbb7c8-1f68-493e-b224-3b8e3efc40bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_67bbe744-6388-4ff8-8f26-7b18fcfdd1d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_ad527d2a-2588-4aed-ac7e-0f280302f35b" xlink:to="loc_us-gaap_DerivativeNotionalAmount_67bbe744-6388-4ff8-8f26-7b18fcfdd1d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsSummaryofDerivativeFairValueBalancesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DerivativeFinancialInstrumentsSummaryofDerivativeFairValueBalancesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsSummaryofDerivativeFairValueBalancesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_49c52d26-73d4-40bd-b63d-d15f0578417f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_c1cb33f4-69fa-4551-9f1c-ef1267752a78" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_49c52d26-73d4-40bd-b63d-d15f0578417f" xlink:to="loc_us-gaap_DerivativeTable_c1cb33f4-69fa-4551-9f1c-ef1267752a78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_0d771845-fe92-42fc-acca-c38c731100f2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_c1cb33f4-69fa-4551-9f1c-ef1267752a78" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_0d771845-fe92-42fc-acca-c38c731100f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_f27b4c6f-a3a9-4801-a1f4-c828853962fe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0d771845-fe92-42fc-acca-c38c731100f2" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_f27b4c6f-a3a9-4801-a1f4-c828853962fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_cd33db28-ff42-4278-9a89-04f9eb8c7254" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommodityContractMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_f27b4c6f-a3a9-4801-a1f4-c828853962fe" xlink:to="loc_us-gaap_CommodityContractMember_cd33db28-ff42-4278-9a89-04f9eb8c7254" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_664caaad-a92c-4033-ad85-d05d3d00c8f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_c1cb33f4-69fa-4551-9f1c-ef1267752a78" xlink:to="loc_us-gaap_HedgingDesignationAxis_664caaad-a92c-4033-ad85-d05d3d00c8f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_fe55e6d1-2353-4bf2-8071-0b509d900e5b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationAxis_664caaad-a92c-4033-ad85-d05d3d00c8f7" xlink:to="loc_us-gaap_HedgingDesignationDomain_fe55e6d1-2353-4bf2-8071-0b509d900e5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_dbcd4ba3-2e91-467e-baca-ff3fe80e423c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationDomain_fe55e6d1-2353-4bf2-8071-0b509d900e5b" xlink:to="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_dbcd4ba3-2e91-467e-baca-ff3fe80e423c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotDesignatedAsHedgingInstrumentTradingMember_e0e92f85-6c76-476f-8887-5ac3d92dd149" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotDesignatedAsHedgingInstrumentTradingMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationDomain_fe55e6d1-2353-4bf2-8071-0b509d900e5b" xlink:to="loc_us-gaap_NotDesignatedAsHedgingInstrumentTradingMember_e0e92f85-6c76-476f-8887-5ac3d92dd149" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4bbc14d7-0f98-426c-9b50-d118d73f84bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_c1cb33f4-69fa-4551-9f1c-ef1267752a78" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4bbc14d7-0f98-426c-9b50-d118d73f84bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_9fcdf53e-a257-4b74-84ef-194c6fe02398" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4bbc14d7-0f98-426c-9b50-d118d73f84bf" xlink:to="loc_us-gaap_HedgingRelationshipDomain_9fcdf53e-a257-4b74-84ef-194c6fe02398" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CollateralMember_248e169b-aa5c-42bf-984c-9a092e6d9a16" xlink:href="ceg-20211231.xsd#ceg_CollateralMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingRelationshipDomain_9fcdf53e-a257-4b74-84ef-194c6fe02398" xlink:to="loc_ceg_CollateralMember_248e169b-aa5c-42bf-984c-9a092e6d9a16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NettingMember_6ba44742-2af3-4dd3-9b61-bcf8e366fc1e" xlink:href="ceg-20211231.xsd#ceg_NettingMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingRelationshipDomain_9fcdf53e-a257-4b74-84ef-194c6fe02398" xlink:to="loc_ceg_NettingMember_6ba44742-2af3-4dd3-9b61-bcf8e366fc1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_2bc8b1d0-1e33-495c-b2ec-8e796269b041" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_c1cb33f4-69fa-4551-9f1c-ef1267752a78" xlink:to="loc_dei_LegalEntityAxis_2bc8b1d0-1e33-495c-b2ec-8e796269b041" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_5ba6eeb1-d0e2-4837-9a34-20a54ccbb978" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_2bc8b1d0-1e33-495c-b2ec-8e796269b041" xlink:to="loc_dei_EntityDomain_5ba6eeb1-d0e2-4837-9a34-20a54ccbb978" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_75f3f8b3-78b5-40ba-b261-9d7e69fafa48" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5ba6eeb1-d0e2-4837-9a34-20a54ccbb978" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_75f3f8b3-78b5-40ba-b261-9d7e69fafa48" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_568102a0-1b8e-45f8-ae91-cfdcb3dd9056" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLineItems"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_c1cb33f4-69fa-4551-9f1c-ef1267752a78" xlink:to="loc_us-gaap_DerivativeLineItems_568102a0-1b8e-45f8-ae91-cfdcb3dd9056" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_6ec16229-9f72-46e2-8150-7342c5956210" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_568102a0-1b8e-45f8-ae91-cfdcb3dd9056" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_6ec16229-9f72-46e2-8150-7342c5956210" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_d59229bc-08ca-46c8-9621-947151424d18" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_568102a0-1b8e-45f8-ae91-cfdcb3dd9056" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_d59229bc-08ca-46c8-9621-947151424d18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_b8d03421-a4b3-41ea-8165-c8cff5e5056c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssets"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_568102a0-1b8e-45f8-ae91-cfdcb3dd9056" xlink:to="loc_us-gaap_DerivativeAssets_b8d03421-a4b3-41ea-8165-c8cff5e5056c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_2514b53c-66f3-4dae-a28a-ca93fccb7614" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_568102a0-1b8e-45f8-ae91-cfdcb3dd9056" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_2514b53c-66f3-4dae-a28a-ca93fccb7614" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_5dfae467-31b0-42fb-8c04-8d96edae17c0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_568102a0-1b8e-45f8-ae91-cfdcb3dd9056" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_5dfae467-31b0-42fb-8c04-8d96edae17c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_c177e648-10d6-46e2-a531-37eadd804c4a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLiabilities"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_568102a0-1b8e-45f8-ae91-cfdcb3dd9056" xlink:to="loc_us-gaap_DerivativeLiabilities_c177e648-10d6-46e2-a531-37eadd804c4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_8cd29837-8dcf-4141-9a3f-a0b235e56747" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_568102a0-1b8e-45f8-ae91-cfdcb3dd9056" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_8cd29837-8dcf-4141-9a3f-a0b235e56747" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarginDepositAssets_64d2f074-879a-4298-9cd8-d1dd0c9b2100" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MarginDepositAssets"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_568102a0-1b8e-45f8-ae91-cfdcb3dd9056" xlink:to="loc_us-gaap_MarginDepositAssets_64d2f074-879a-4298-9cd8-d1dd0c9b2100" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsSummaryofEconomicHedgesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DerivativeFinancialInstrumentsSummaryofEconomicHedgesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsSummaryofEconomicHedgesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_37ca8b3a-507f-4473-ac35-fb23eceaf28f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_e489a758-338f-46a1-94df-728523e593cb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_37ca8b3a-507f-4473-ac35-fb23eceaf28f" xlink:to="loc_us-gaap_DerivativeTable_e489a758-338f-46a1-94df-728523e593cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_c2811b06-b538-41fd-a25d-993fa833ee1c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_e489a758-338f-46a1-94df-728523e593cb" xlink:to="loc_us-gaap_HedgingDesignationAxis_c2811b06-b538-41fd-a25d-993fa833ee1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_327933ef-6444-4587-9e1c-e7a0b59efe3c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationAxis_c2811b06-b538-41fd-a25d-993fa833ee1c" xlink:to="loc_us-gaap_HedgingDesignationDomain_327933ef-6444-4587-9e1c-e7a0b59efe3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_c426a971-a954-4357-91a8-663e80ffda77" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationDomain_327933ef-6444-4587-9e1c-e7a0b59efe3c" xlink:to="loc_us-gaap_NotDesignatedAsHedgingInstrumentEconomicHedgeMember_c426a971-a954-4357-91a8-663e80ffda77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_2929947e-83c0-4785-a85c-75a35040facc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_e489a758-338f-46a1-94df-728523e593cb" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_2929947e-83c0-4785-a85c-75a35040facc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_86bac076-7330-4b01-982c-e5e89cc32076" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_2929947e-83c0-4785-a85c-75a35040facc" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_86bac076-7330-4b01-982c-e5e89cc32076" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_d9bdd704-8164-4224-9f73-071eef6b0c52" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommodityContractMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_86bac076-7330-4b01-982c-e5e89cc32076" xlink:to="loc_us-gaap_CommodityContractMember_d9bdd704-8164-4224-9f73-071eef6b0c52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_a4faaf3c-0191-4575-a063-227d485d1f81" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_e489a758-338f-46a1-94df-728523e593cb" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_a4faaf3c-0191-4575-a063-227d485d1f81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_33d9ac8f-5f49-4bf6-b1f9-418a9c8ceec5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_a4faaf3c-0191-4575-a063-227d485d1f81" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_33d9ac8f-5f49-4bf6-b1f9-418a9c8ceec5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OperatingRevenueMember_7ed76de4-9b52-4970-9924-01efe0b509fb" xlink:href="ceg-20211231.xsd#ceg_OperatingRevenueMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_33d9ac8f-5f49-4bf6-b1f9-418a9c8ceec5" xlink:to="loc_ceg_OperatingRevenueMember_7ed76de4-9b52-4970-9924-01efe0b509fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PurchasedPowerAndFuelMember_7c7fa913-fb08-4d49-83d4-c397a3bcf3e6" xlink:href="ceg-20211231.xsd#ceg_PurchasedPowerAndFuelMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_33d9ac8f-5f49-4bf6-b1f9-418a9c8ceec5" xlink:to="loc_ceg_PurchasedPowerAndFuelMember_7c7fa913-fb08-4d49-83d4-c397a3bcf3e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5fcc4d90-65dc-4ad7-bfa8-6bbe8e3cac38" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_e489a758-338f-46a1-94df-728523e593cb" xlink:to="loc_dei_LegalEntityAxis_5fcc4d90-65dc-4ad7-bfa8-6bbe8e3cac38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_38fabbf4-5584-4ac7-bf15-e40cd2b51231" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_5fcc4d90-65dc-4ad7-bfa8-6bbe8e3cac38" xlink:to="loc_dei_EntityDomain_38fabbf4-5584-4ac7-bf15-e40cd2b51231" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_2850c034-234f-4776-931e-c4ede3ad9547" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_38fabbf4-5584-4ac7-bf15-e40cd2b51231" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_2850c034-234f-4776-931e-c4ede3ad9547" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_10bba646-4a32-4b40-a8a7-f6c34583bb0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLineItems"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_e489a758-338f-46a1-94df-728523e593cb" xlink:to="loc_us-gaap_DerivativeLineItems_10bba646-4a32-4b40-a8a7-f6c34583bb0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_525458a8-f768-4510-ad13-27f9ce32224d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_10bba646-4a32-4b40-a8a7-f6c34583bb0a" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_525458a8-f768-4510-ad13-27f9ce32224d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsSummaryofCreditRiskExposureDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DerivativeFinancialInstrumentsSummaryofCreditRiskExposureDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsSummaryofCreditRiskExposureDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_e8fa009e-524d-4ab6-ac9f-e0aff37e32ae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_3aff79e3-df84-4f1a-b940-7833877b56cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_e8fa009e-524d-4ab6-ac9f-e0aff37e32ae" xlink:to="loc_us-gaap_DerivativeTable_3aff79e3-df84-4f1a-b940-7833877b56cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_4a22068b-b68e-49dd-ace7-45f4ecfc684d" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_3aff79e3-df84-4f1a-b940-7833877b56cf" xlink:to="loc_dei_LegalEntityAxis_4a22068b-b68e-49dd-ace7-45f4ecfc684d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_3483204a-088a-4f11-bdec-f00ceacce890" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_4a22068b-b68e-49dd-ace7-45f4ecfc684d" xlink:to="loc_dei_EntityDomain_3483204a-088a-4f11-bdec-f00ceacce890" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_66676415-e6d5-457b-8d27-57cf1cc580a5" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3483204a-088a-4f11-bdec-f00ceacce890" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_66676415-e6d5-457b-8d27-57cf1cc580a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis_f9f0f189-6369-44ef-91ff-daceb4a8bc97" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_3aff79e3-df84-4f1a-b940-7833877b56cf" xlink:to="loc_us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis_f9f0f189-6369-44ef-91ff-daceb4a8bc97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueConcentrationOfRiskDisclosureItemsDomain_de59ef23-e8cf-4185-bae1-78b2cd772a0c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueConcentrationOfRiskDisclosureItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueConcentrationOfRiskDisclosureItemsAxis_f9f0f189-6369-44ef-91ff-daceb4a8bc97" xlink:to="loc_us-gaap_FairValueConcentrationOfRiskDisclosureItemsDomain_de59ef23-e8cf-4185-bae1-78b2cd772a0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueConcentrationOfRiskMaximumAmountOfLossMember_b39dcd68-fab1-4438-b0f7-2cd9eefc291c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueConcentrationOfRiskMaximumAmountOfLossMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueConcentrationOfRiskDisclosureItemsDomain_de59ef23-e8cf-4185-bae1-78b2cd772a0c" xlink:to="loc_us-gaap_FairValueConcentrationOfRiskMaximumAmountOfLossMember_b39dcd68-fab1-4438-b0f7-2cd9eefc291c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CreditCollateralMember_7cb0989f-012e-4340-82f8-5b4177b39c19" xlink:href="ceg-20211231.xsd#ceg_CreditCollateralMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueConcentrationOfRiskDisclosureItemsDomain_de59ef23-e8cf-4185-bae1-78b2cd772a0c" xlink:to="loc_ceg_CreditCollateralMember_7cb0989f-012e-4340-82f8-5b4177b39c19" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NetExposureMember_46f85b19-88a9-4157-8b4e-6957a7b37101" xlink:href="ceg-20211231.xsd#ceg_NetExposureMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueConcentrationOfRiskDisclosureItemsDomain_de59ef23-e8cf-4185-bae1-78b2cd772a0c" xlink:to="loc_ceg_NetExposureMember_46f85b19-88a9-4157-8b4e-6957a7b37101" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMember_05f8e421-0188-4504-b874-22daf7158440" xlink:href="ceg-20211231.xsd#ceg_NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueConcentrationOfRiskDisclosureItemsDomain_de59ef23-e8cf-4185-bae1-78b2cd772a0c" xlink:to="loc_ceg_NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMember_05f8e421-0188-4504-b874-22daf7158440" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMember_69fc3c4d-0ac2-4ab3-959c-ee17a44bf9f5" xlink:href="ceg-20211231.xsd#ceg_NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueConcentrationOfRiskDisclosureItemsDomain_de59ef23-e8cf-4185-bae1-78b2cd772a0c" xlink:to="loc_ceg_NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMember_69fc3c4d-0ac2-4ab3-959c-ee17a44bf9f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExternalCreditRatingByGroupingAxis_7f3c7d24-c073-4147-ad90-f5092d440215" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ExternalCreditRatingByGroupingAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_3aff79e3-df84-4f1a-b940-7833877b56cf" xlink:to="loc_us-gaap_ExternalCreditRatingByGroupingAxis_7f3c7d24-c073-4147-ad90-f5092d440215" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExternalCreditRatingByGroupingDomain_74f8a12b-2c3e-4019-be3a-58e1b99f6a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ExternalCreditRatingByGroupingDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ExternalCreditRatingByGroupingAxis_7f3c7d24-c073-4147-ad90-f5092d440215" xlink:to="loc_us-gaap_ExternalCreditRatingByGroupingDomain_74f8a12b-2c3e-4019-be3a-58e1b99f6a6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExternalCreditRatingInvestmentGradeMember_89e79f1b-d839-4391-98e0-00cced575cd5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ExternalCreditRatingInvestmentGradeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ExternalCreditRatingByGroupingDomain_74f8a12b-2c3e-4019-be3a-58e1b99f6a6e" xlink:to="loc_us-gaap_ExternalCreditRatingInvestmentGradeMember_89e79f1b-d839-4391-98e0-00cced575cd5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExternalCreditRatingNonInvestmentGradeMember_b79a080d-3a2f-4e6b-ab37-bbbadbcd48d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ExternalCreditRatingNonInvestmentGradeMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ExternalCreditRatingByGroupingDomain_74f8a12b-2c3e-4019-be3a-58e1b99f6a6e" xlink:to="loc_us-gaap_ExternalCreditRatingNonInvestmentGradeMember_b79a080d-3a2f-4e6b-ab37-bbbadbcd48d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentAxis_92cbf181-8f8c-4e0b-a02b-1b392b0c3fc6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InternalCreditAssessmentAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_3aff79e3-df84-4f1a-b940-7833877b56cf" xlink:to="loc_us-gaap_InternalCreditAssessmentAxis_92cbf181-8f8c-4e0b-a02b-1b392b0c3fc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentDomain_52e3c203-aa8a-4e83-9d5c-4c031444e1fa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InternalCreditAssessmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InternalCreditAssessmentAxis_92cbf181-8f8c-4e0b-a02b-1b392b0c3fc6" xlink:to="loc_us-gaap_InternalCreditAssessmentDomain_52e3c203-aa8a-4e83-9d5c-4c031444e1fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalInvestmentGradeMember_83e340aa-f2dd-42b4-aa15-e0a86c94fa68" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InternalInvestmentGradeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_52e3c203-aa8a-4e83-9d5c-4c031444e1fa" xlink:to="loc_us-gaap_InternalInvestmentGradeMember_83e340aa-f2dd-42b4-aa15-e0a86c94fa68" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalNoninvestmentGradeMember_d3b40606-2e06-4d4b-b918-9a4ccf7003f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InternalNoninvestmentGradeMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_52e3c203-aa8a-4e83-9d5c-4c031444e1fa" xlink:to="loc_us-gaap_InternalNoninvestmentGradeMember_d3b40606-2e06-4d4b-b918-9a4ccf7003f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyTypeAxis_92cdd9f6-225d-4c00-a09c-e27d1ddc4e20" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyTypeAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_3aff79e3-df84-4f1a-b940-7833877b56cf" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyTypeAxis_92cdd9f6-225d-4c00-a09c-e27d1ddc4e20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndustryOfCounterpartyDomain_b36a3afd-edc8-4fae-a359-affefdc26d7e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndustryOfCounterpartyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyTypeAxis_92cdd9f6-225d-4c00-a09c-e27d1ddc4e20" xlink:to="loc_us-gaap_IndustryOfCounterpartyDomain_b36a3afd-edc8-4fae-a359-affefdc26d7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FinancialInstitutionsMember_96860cd8-77a8-422c-80bb-136d49d8d62e" xlink:href="ceg-20211231.xsd#ceg_FinancialInstitutionsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IndustryOfCounterpartyDomain_b36a3afd-edc8-4fae-a359-affefdc26d7e" xlink:to="loc_ceg_FinancialInstitutionsMember_96860cd8-77a8-422c-80bb-136d49d8d62e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_InvestorOwnedUtilitiesMarketersPowerProducersMember_6fee2ded-a34f-4161-aa7a-4359d0783552" xlink:href="ceg-20211231.xsd#ceg_InvestorOwnedUtilitiesMarketersPowerProducersMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IndustryOfCounterpartyDomain_b36a3afd-edc8-4fae-a359-affefdc26d7e" xlink:to="loc_ceg_InvestorOwnedUtilitiesMarketersPowerProducersMember_6fee2ded-a34f-4161-aa7a-4359d0783552" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EnergyCooperativesAndMunicipalitiesMember_b0355ad6-4623-450c-a070-fd87ae2b59f3" xlink:href="ceg-20211231.xsd#ceg_EnergyCooperativesAndMunicipalitiesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IndustryOfCounterpartyDomain_b36a3afd-edc8-4fae-a359-affefdc26d7e" xlink:to="loc_ceg_EnergyCooperativesAndMunicipalitiesMember_b0355ad6-4623-450c-a070-fd87ae2b59f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OtherMember_b8e1ec15-8989-4cc9-99cc-9ede27dcc15a" xlink:href="ceg-20211231.xsd#ceg_OtherMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IndustryOfCounterpartyDomain_b36a3afd-edc8-4fae-a359-affefdc26d7e" xlink:to="loc_ceg_OtherMember_b8e1ec15-8989-4cc9-99cc-9ede27dcc15a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_242c458d-acc0-4164-83f3-77b0a1db64bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_3aff79e3-df84-4f1a-b940-7833877b56cf" xlink:to="loc_us-gaap_DerivativeLineItems_242c458d-acc0-4164-83f3-77b0a1db64bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure_bdb65b74-a1f9-47d5-9163-3c3ebcdd8850" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_242c458d-acc0-4164-83f3-77b0a1db64bd" xlink:to="loc_us-gaap_ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure_bdb65b74-a1f9-47d5-9163-3c3ebcdd8850" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NumberOfCounterparties_e2245b40-164b-4168-83af-4650c8ee5fdf" xlink:href="ceg-20211231.xsd#ceg_NumberOfCounterparties"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_242c458d-acc0-4164-83f3-77b0a1db64bd" xlink:to="loc_ceg_NumberOfCounterparties_e2245b40-164b-4168-83af-4650c8ee5fdf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCollateralForBorrowedSecurities_21733698-83a2-4c88-9bce-3651c3d1e635" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCollateralForBorrowedSecurities"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_242c458d-acc0-4164-83f3-77b0a1db64bd" xlink:to="loc_us-gaap_CashCollateralForBorrowedSecurities_21733698-83a2-4c88-9bce-3651c3d1e635" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_LettersOfCreditHeld_5ff084c7-4d89-45e0-83ad-d7a3bcb7d86c" xlink:href="ceg-20211231.xsd#ceg_LettersOfCreditHeld"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_242c458d-acc0-4164-83f3-77b0a1db64bd" xlink:to="loc_ceg_LettersOfCreditHeld_5ff084c7-4d89-45e0-83ad-d7a3bcb7d86c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsSummaryofCreditRiskRelatedContingentFeaturesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DerivativeFinancialInstrumentsSummaryofCreditRiskRelatedContingentFeaturesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsSummaryofCreditRiskRelatedContingentFeaturesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_a6eb27dd-48e7-4440-9cc9-1a0c3a3302e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_08a56a32-675d-44c2-a737-eb9330f4b436" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_a6eb27dd-48e7-4440-9cc9-1a0c3a3302e4" xlink:to="loc_us-gaap_DerivativeTable_08a56a32-675d-44c2-a737-eb9330f4b436" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5c075428-831f-489b-9893-b5560e08bb7f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_08a56a32-675d-44c2-a737-eb9330f4b436" xlink:to="loc_dei_LegalEntityAxis_5c075428-831f-489b-9893-b5560e08bb7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e77bef4f-1acf-4c33-b192-21a89ced8023" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_5c075428-831f-489b-9893-b5560e08bb7f" xlink:to="loc_dei_EntityDomain_e77bef4f-1acf-4c33-b192-21a89ced8023" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_fbb78b2a-0186-465e-92ae-3a7a30e62338" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e77bef4f-1acf-4c33-b192-21a89ced8023" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_fbb78b2a-0186-465e-92ae-3a7a30e62338" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_e896cd49-6f65-4afa-bc1f-bfafd955ec1a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_08a56a32-675d-44c2-a737-eb9330f4b436" xlink:to="loc_us-gaap_DerivativeLineItems_e896cd49-6f65-4afa-bc1f-bfafd955ec1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetFairValueGrossLiability_fb93de82-ee8a-41e9-8260-fb4cf444aac1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssetFairValueGrossLiability"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_e896cd49-6f65-4afa-bc1f-bfafd955ec1a" xlink:to="loc_us-gaap_DerivativeAssetFairValueGrossLiability_fb93de82-ee8a-41e9-8260-fb4cf444aac1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_0c24b545-ca77-40f1-85ab-85d657cf2739" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_e896cd49-6f65-4afa-bc1f-bfafd955ec1a" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_0c24b545-ca77-40f1-85ab-85d657cf2739" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_2adf59e2-1f55-48d4-8bf3-df6e0ea97220" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_e896cd49-6f65-4afa-bc1f-bfafd955ec1a" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_2adf59e2-1f55-48d4-8bf3-df6e0ea97220" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsSummaryofCashCollateralandLettersofCreditDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DerivativeFinancialInstrumentsSummaryofCashCollateralandLettersofCreditDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DerivativeFinancialInstrumentsSummaryofCashCollateralandLettersofCreditDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_52661ac0-a3a3-418e-bb3d-3af8beee2b64" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_eeb19ade-ef75-4d66-a672-13d55844ed09" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_52661ac0-a3a3-418e-bb3d-3af8beee2b64" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_eeb19ade-ef75-4d66-a672-13d55844ed09" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_e0d27a6c-ac6c-4ab6-a451-aee39a46c1b3" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_eeb19ade-ef75-4d66-a672-13d55844ed09" xlink:to="loc_dei_LegalEntityAxis_e0d27a6c-ac6c-4ab6-a451-aee39a46c1b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_46ccc420-8de5-4d3c-bbdd-5c97ca369b54" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_e0d27a6c-ac6c-4ab6-a451-aee39a46c1b3" xlink:to="loc_dei_EntityDomain_46ccc420-8de5-4d3c-bbdd-5c97ca369b54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_6628aa9b-6bfb-4eb8-82fc-8a654d2336f1" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_46ccc420-8de5-4d3c-bbdd-5c97ca369b54" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_6628aa9b-6bfb-4eb8-82fc-8a654d2336f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_2d8abdbc-ffc6-48c2-8c5a-aa2af2220917" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_eeb19ade-ef75-4d66-a672-13d55844ed09" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_2d8abdbc-ffc6-48c2-8c5a-aa2af2220917" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralRightToReclaimCash_00ca2dd8-7ab3-46dc-b56b-1ab3fbdd7dc0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeCollateralRightToReclaimCash"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_2d8abdbc-ffc6-48c2-8c5a-aa2af2220917" xlink:to="loc_us-gaap_DerivativeCollateralRightToReclaimCash_00ca2dd8-7ab3-46dc-b56b-1ab3fbdd7dc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralRightToReclaimSecurities_aa827214-e9c3-4f90-b634-be8f58e02eb4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeCollateralRightToReclaimSecurities"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_2d8abdbc-ffc6-48c2-8c5a-aa2af2220917" xlink:to="loc_us-gaap_DerivativeCollateralRightToReclaimSecurities_aa827214-e9c3-4f90-b634-be8f58e02eb4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralObligationToReturnCash_c2c3e88f-dcc7-43b1-894d-b679c527aa94" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeCollateralObligationToReturnCash"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_2d8abdbc-ffc6-48c2-8c5a-aa2af2220917" xlink:to="loc_us-gaap_DerivativeCollateralObligationToReturnCash_c2c3e88f-dcc7-43b1-894d-b679c527aa94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralObligationToReturnSecurities_9b86bcaf-0529-4d01-9bcb-9209f691c696" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeCollateralObligationToReturnSecurities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_2d8abdbc-ffc6-48c2-8c5a-aa2af2220917" xlink:to="loc_us-gaap_DerivativeCollateralObligationToReturnSecurities_9b86bcaf-0529-4d01-9bcb-9209f691c696" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_IncrementalCollateralForLossOfInvestmentGradeCreditRating_1206c4e8-1514-49e4-93ed-e9992db097c9" xlink:href="ceg-20211231.xsd#ceg_IncrementalCollateralForLossOfInvestmentGradeCreditRating"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_2d8abdbc-ffc6-48c2-8c5a-aa2af2220917" xlink:to="loc_ceg_IncrementalCollateralForLossOfInvestmentGradeCreditRating_1206c4e8-1514-49e4-93ed-e9992db097c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DebtandCreditAgreements" xlink:type="simple" xlink:href="ceg-20211231.xsd#DebtandCreditAgreements"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DebtandCreditAgreements" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_471f71da-9b32-47fa-9ad6-0e33944c1b0f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_7ece0cc3-13af-4354-88f5-466f3ec89382" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_471f71da-9b32-47fa-9ad6-0e33944c1b0f" xlink:to="loc_us-gaap_DebtDisclosureTextBlock_7ece0cc3-13af-4354-88f5-466f3ec89382" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DebtandCreditAgreementsTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#DebtandCreditAgreementsTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DebtandCreditAgreementsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_a16e2a51-23cb-4ebe-86e2-49e4540d5869" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_9a328748-d097-48f9-9f06-2406e3781747" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShortTermDebtTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_a16e2a51-23cb-4ebe-86e2-49e4540d5869" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_9a328748-d097-48f9-9f06-2406e3781747" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_a2e7469e-5633-4593-990a-c51b8244ef70" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_9a328748-d097-48f9-9f06-2406e3781747" xlink:to="loc_dei_LegalEntityAxis_a2e7469e-5633-4593-990a-c51b8244ef70" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_90602a7f-1a58-4703-941e-e8d29f5d6417" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_a2e7469e-5633-4593-990a-c51b8244ef70" xlink:to="loc_dei_EntityDomain_90602a7f-1a58-4703-941e-e8d29f5d6417" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_206c2a06-a1b8-4fe5-b470-5f8beccf59f8" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_90602a7f-1a58-4703-941e-e8d29f5d6417" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_206c2a06-a1b8-4fe5-b470-5f8beccf59f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_fa51fc6f-c85d-40e7-87cb-48f6b7baa71f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermDebtTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_9a328748-d097-48f9-9f06-2406e3781747" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_fa51fc6f-c85d-40e7-87cb-48f6b7baa71f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_a5966bf8-1f7b-4ff2-b2f3-413444b3e312" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_fa51fc6f-c85d-40e7-87cb-48f6b7baa71f" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_a5966bf8-1f7b-4ff2-b2f3-413444b3e312" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_4385d333-af3d-4672-9888-8df3dca08f3c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommercialPaperMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_a5966bf8-1f7b-4ff2-b2f3-413444b3e312" xlink:to="loc_us-gaap_CommercialPaperMember_4385d333-af3d-4672-9888-8df3dca08f3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_02d26fdb-ed9c-4e93-873c-d6176d6614d0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_a5966bf8-1f7b-4ff2-b2f3-413444b3e312" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_02d26fdb-ed9c-4e93-873c-d6176d6614d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtLineItems_867f365d-519b-4707-b258-1d074743a61d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermDebtLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_9a328748-d097-48f9-9f06-2406e3781747" xlink:to="loc_us-gaap_ShortTermDebtLineItems_867f365d-519b-4707-b258-1d074743a61d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_b6f3ad24-31cc-419f-90f6-0e3ac2b5020f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_867f365d-519b-4707-b258-1d074743a61d" xlink:to="loc_us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_b6f3ad24-31cc-419f-90f6-0e3ac2b5020f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleOfCreditAgreementCovenantsTableTextBlock_7ded7a4f-c277-4373-a6db-1e9f165c3ccc" xlink:href="ceg-20211231.xsd#ceg_ScheduleOfCreditAgreementCovenantsTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_867f365d-519b-4707-b258-1d074743a61d" xlink:to="loc_ceg_ScheduleOfCreditAgreementCovenantsTableTextBlock_7ded7a4f-c277-4373-a6db-1e9f165c3ccc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_2be91234-3c37-480c-9f7f-509a2c97f1a6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_867f365d-519b-4707-b258-1d074743a61d" xlink:to="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_2be91234-3c37-480c-9f7f-509a2c97f1a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_ef039e46-aa08-4cdd-9da3-1938fc7b1540" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_867f365d-519b-4707-b258-1d074743a61d" xlink:to="loc_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_ef039e46-aa08-4cdd-9da3-1938fc7b1540" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DebtandCreditAgreementsNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DebtandCreditAgreementsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DebtandCreditAgreementsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_109a309f-b954-48ef-975e-b2fba31b16d2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:href="ceg-20211231.xsd#ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_109a309f-b954-48ef-975e-b2fba31b16d2" xlink:to="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_c0b4133e-270c-42c7-b452-011c570149c2" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:to="loc_dei_LegalEntityAxis_c0b4133e-270c-42c7-b452-011c570149c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_d08d12f3-917a-49d9-8496-e4df3a27b66f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_c0b4133e-270c-42c7-b452-011c570149c2" xlink:to="loc_dei_EntityDomain_d08d12f3-917a-49d9-8496-e4df3a27b66f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_25103ebf-d7bf-4eb8-ba3e-f5ca4ef56a42" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_d08d12f3-917a-49d9-8496-e4df3a27b66f" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_25103ebf-d7bf-4eb8-ba3e-f5ca4ef56a42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_5b2049c8-fa9c-4991-b6e9-fff3085e5e17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:to="loc_us-gaap_DebtInstrumentAxis_5b2049c8-fa9c-4991-b6e9-fff3085e5e17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_5b2049c8-fa9c-4991-b6e9-fff3085e5e17" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ShortTermDebt03192020Member_e3bdb194-2051-4e41-afea-0dca05ba66c4" xlink:href="ceg-20211231.xsd#ceg_ShortTermDebt03192020Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:to="loc_ceg_ShortTermDebt03192020Member_e3bdb194-2051-4e41-afea-0dca05ba66c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ShortTermDebt03312020Member_81994d5c-32eb-49f8-a4ff-7adfb93905bf" xlink:href="ceg-20211231.xsd#ceg_ShortTermDebt03312020Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:to="loc_ceg_ShortTermDebt03312020Member_81994d5c-32eb-49f8-a4ff-7adfb93905bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ShortTermDebt08062021Member_04165dbc-fc21-4e26-acfb-d1282e56ac93" xlink:href="ceg-20211231.xsd#ceg_ShortTermDebt08062021Member"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:to="loc_ceg_ShortTermDebt08062021Member_04165dbc-fc21-4e26-acfb-d1282e56ac93" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ContinentalWindMember_48070e87-19c8-4524-ac8e-aa99f6337d40" xlink:href="ceg-20211231.xsd#ceg_ContinentalWindMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:to="loc_ceg_ContinentalWindMember_48070e87-19c8-4524-ac8e-aa99f6337d40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RenewablePowerGenerationMember_9861fb3c-4709-4710-ab38-bcf9c0239dba" xlink:href="ceg-20211231.xsd#ceg_RenewablePowerGenerationMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:to="loc_ceg_RenewablePowerGenerationMember_9861fb3c-4709-4710-ab38-bcf9c0239dba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SolGenMember_414eeefd-db7c-4fe3-92ec-a0e288ee9c0b" xlink:href="ceg-20211231.xsd#ceg_SolGenMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:to="loc_ceg_SolGenMember_414eeefd-db7c-4fe3-92ec-a0e288ee9c0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExGenRenewablesIVNov2024Member_c74a657e-ad8c-4198-9e08-e9762e0eac78" xlink:href="ceg-20211231.xsd#ceg_ExGenRenewablesIVNov2024Member"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:to="loc_ceg_ExGenRenewablesIVNov2024Member_c74a657e-ad8c-4198-9e08-e9762e0eac78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExGenRenewablesIVDec2020Member_b819430a-9bb3-4def-8c9e-7042ab55fa66" xlink:href="ceg-20211231.xsd#ceg_ExGenRenewablesIVDec2020Member"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:to="loc_ceg_ExGenRenewablesIVDec2020Member_b819430a-9bb3-4def-8c9e-7042ab55fa66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_WestMedwayIILLCMember_5b323752-aa48-47e4-987d-b82186700e90" xlink:href="ceg-20211231.xsd#ceg_WestMedwayIILLCMember"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:to="loc_ceg_WestMedwayIILLCMember_5b323752-aa48-47e4-987d-b82186700e90" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DOEProjectFinancing2.82January52037Member_9d766fca-19d7-4b8e-bc12-66959e5e5212" xlink:href="ceg-20211231.xsd#ceg_DOEProjectFinancing2.82January52037Member"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ceb6c7c9-dd38-4b5c-8258-89c57a23aaa5" xlink:to="loc_ceg_DOEProjectFinancing2.82January52037Member_9d766fca-19d7-4b8e-bc12-66959e5e5212" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_922a24d1-690f-4490-9830-d0f257493304" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:to="loc_us-gaap_VariableRateAxis_922a24d1-690f-4490-9830-d0f257493304" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_0bd4d1ec-18bf-45c9-ab87-9b35aefcbb85" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateAxis_922a24d1-690f-4490-9830-d0f257493304" xlink:to="loc_us-gaap_VariableRateDomain_0bd4d1ec-18bf-45c9-ab87-9b35aefcbb85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_2471fb00-50d6-43df-bcd6-66b19a77df39" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_0bd4d1ec-18bf-45c9-ab87-9b35aefcbb85" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_2471fb00-50d6-43df-bcd6-66b19a77df39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_e143a6ab-8d75-43c8-8764-7a867c35af80" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_0bd4d1ec-18bf-45c9-ab87-9b35aefcbb85" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_e143a6ab-8d75-43c8-8764-7a867c35af80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrimeRateMember_08671fb9-0c2b-451f-b6a7-d6441f7afd56" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrimeRateMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_0bd4d1ec-18bf-45c9-ab87-9b35aefcbb85" xlink:to="loc_us-gaap_PrimeRateMember_08671fb9-0c2b-451f-b6a7-d6441f7afd56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_f8208c1d-ab87-4a51-8ae3-55e1b93c0f42" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_f8208c1d-ab87-4a51-8ae3-55e1b93c0f42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_fc1c83d2-8c64-4eae-960b-52af6e494ff9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_f8208c1d-ab87-4a51-8ae3-55e1b93c0f42" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_fc1c83d2-8c64-4eae-960b-52af6e494ff9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonRecourseDebtMember_33275394-6c34-4e0b-b74f-41b3cd8a874b" xlink:href="ceg-20211231.xsd#ceg_NonRecourseDebtMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_fc1c83d2-8c64-4eae-960b-52af6e494ff9" xlink:to="loc_ceg_NonRecourseDebtMember_33275394-6c34-4e0b-b74f-41b3cd8a874b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_a15858ae-a760-4dd1-b93d-22c24423367c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SecuredDebtMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_fc1c83d2-8c64-4eae-960b-52af6e494ff9" xlink:to="loc_us-gaap_SecuredDebtMember_a15858ae-a760-4dd1-b93d-22c24423367c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_61399666-306b-49b0-9faa-7757f20e7543" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_fc1c83d2-8c64-4eae-960b-52af6e494ff9" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_61399666-306b-49b0-9faa-7757f20e7543" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonRecourseFixedRateMemberMember_20687e3f-350a-43e7-9070-e709c8bdb863" xlink:href="ceg-20211231.xsd#ceg_NonRecourseFixedRateMemberMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_fc1c83d2-8c64-4eae-960b-52af6e494ff9" xlink:to="loc_ceg_NonRecourseFixedRateMemberMember_20687e3f-350a-43e7-9070-e709c8bdb863" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonRecourseVariableRateMember_1b225296-7ace-4fa9-9bc7-cfacd7eb52e5" xlink:href="ceg-20211231.xsd#ceg_NonRecourseVariableRateMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_fc1c83d2-8c64-4eae-960b-52af6e494ff9" xlink:to="loc_ceg_NonRecourseVariableRateMember_1b225296-7ace-4fa9-9bc7-cfacd7eb52e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_00066873-fc4d-4e81-8e8a-702731e1e927" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:to="loc_srt_RangeAxis_00066873-fc4d-4e81-8e8a-702731e1e927" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_a34e38d5-6a94-4cdf-a24f-2cad8d0b3dce" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_00066873-fc4d-4e81-8e8a-702731e1e927" xlink:to="loc_srt_RangeMember_a34e38d5-6a94-4cdf-a24f-2cad8d0b3dce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_a268e01c-1129-41db-8e72-4e5977e2e5d8" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_a34e38d5-6a94-4cdf-a24f-2cad8d0b3dce" xlink:to="loc_srt_MinimumMember_a268e01c-1129-41db-8e72-4e5977e2e5d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_44a6c298-e288-4c2a-b7ce-2edfa9854c59" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_a34e38d5-6a94-4cdf-a24f-2cad8d0b3dce" xlink:to="loc_srt_MaximumMember_44a6c298-e288-4c2a-b7ce-2edfa9854c59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_be2892ac-0f40-4604-8b59-9770d2c51ef6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_be2892ac-0f40-4604-8b59-9770d2c51ef6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_750ed2e8-ac89-4d60-8de8-5b10b8a3174b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_be2892ac-0f40-4604-8b59-9770d2c51ef6" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_750ed2e8-ac89-4d60-8de8-5b10b8a3174b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_dc13c0ce-12b9-4be8-b3c6-e05f09fb6f8c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_750ed2e8-ac89-4d60-8de8-5b10b8a3174b" xlink:to="loc_us-gaap_SubsequentEventMember_dc13c0ce-12b9-4be8-b3c6-e05f09fb6f8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_7bc3305a-7723-4ad2-83a1-113250ef2882" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:to="loc_us-gaap_CreditFacilityAxis_7bc3305a-7723-4ad2-83a1-113250ef2882" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_236db1a1-62cc-4431-9841-bdf45bed2387" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_7bc3305a-7723-4ad2-83a1-113250ef2882" xlink:to="loc_us-gaap_CreditFacilityDomain_236db1a1-62cc-4431-9841-bdf45bed2387" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_5fa2bfb4-c785-4e9f-abd4-8d2139fc7337" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_236db1a1-62cc-4431-9841-bdf45bed2387" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_5fa2bfb4-c785-4e9f-abd4-8d2139fc7337" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_LiquidityFacilityMember_3acc0b93-a27c-457d-a44f-ddb4938a1f78" xlink:href="ceg-20211231.xsd#ceg_LiquidityFacilityMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_236db1a1-62cc-4431-9841-bdf45bed2387" xlink:to="loc_ceg_LiquidityFacilityMember_3acc0b93-a27c-457d-a44f-ddb4938a1f78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExternalCreditRatingByGroupingAxis_34767d4a-8b0c-45e9-8b2a-bcddae02926b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ExternalCreditRatingByGroupingAxis"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:to="loc_us-gaap_ExternalCreditRatingByGroupingAxis_34767d4a-8b0c-45e9-8b2a-bcddae02926b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExternalCreditRatingByGroupingDomain_359dc5f2-ee45-4417-8fc9-f603a3041382" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ExternalCreditRatingByGroupingDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ExternalCreditRatingByGroupingAxis_34767d4a-8b0c-45e9-8b2a-bcddae02926b" xlink:to="loc_us-gaap_ExternalCreditRatingByGroupingDomain_359dc5f2-ee45-4417-8fc9-f603a3041382" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExternalCreditRatingNonInvestmentGradeMember_dc8c7aab-8e7f-473b-9e41-e540d8b6e841" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ExternalCreditRatingNonInvestmentGradeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ExternalCreditRatingByGroupingDomain_359dc5f2-ee45-4417-8fc9-f603a3041382" xlink:to="loc_us-gaap_ExternalCreditRatingNonInvestmentGradeMember_dc8c7aab-8e7f-473b-9e41-e540d8b6e841" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1f1f5721-a8f0-4005-b506-e7dba511452d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1f1f5721-a8f0-4005-b506-e7dba511452d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_ee991721-7771-42cc-a7ec-be418705fd22" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1f1f5721-a8f0-4005-b506-e7dba511452d" xlink:to="loc_us-gaap_RelatedPartyDomain_ee991721-7771-42cc-a7ec-be418705fd22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExelonConsolidationMember_0ee07814-9feb-457c-96ae-271dded2673d" xlink:href="ceg-20211231.xsd#ceg_ExelonConsolidationMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_ee991721-7771-42cc-a7ec-be418705fd22" xlink:to="loc_ceg_ExelonConsolidationMember_0ee07814-9feb-457c-96ae-271dded2673d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:href="ceg-20211231.xsd#ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtTable_d7a886df-b2ce-4cf5-b596-e4f76b44c85a" xlink:to="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_42c0088e-8582-4d25-ac4d-5f75ca6a4f81" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_42c0088e-8582-4d25-ac4d-5f75ca6a4f81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_c8b760de-394f-423c-bd21-020471562b44" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_c8b760de-394f-423c-bd21-020471562b44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBankLoansAndNotesPayable_f66ff56c-e003-40d7-a07e-fa24c1fae2ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermBankLoansAndNotesPayable"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_ShortTermBankLoansAndNotesPayable_f66ff56c-e003-40d7-a07e-fa24c1fae2ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateTerms_46c90ea8-e076-4f3d-8e66-270d658573e0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateTerms"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_DebtInstrumentInterestRateTerms_46c90ea8-e076-4f3d-8e66-270d658573e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableRelatedParties_108eb73a-b7e8-4a73-a47c-363794884a6c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesReceivableRelatedParties"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_NotesReceivableRelatedParties_108eb73a-b7e8-4a73-a47c-363794884a6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCollateralAmount_1b8aaf26-0011-4799-a135-d583b89bc611" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCollateralAmount"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_DebtInstrumentCollateralAmount_1b8aaf26-0011-4799-a135-d583b89bc611" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_598b9bc5-711c-4666-b993-a734ab692ae9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCredit"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_LineOfCredit_598b9bc5-711c-4666-b993-a734ab692ae9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_ef0cc7df-dcc4-456e-b56f-4bf4761cfa3e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_DebtWeightedAverageInterestRate_ef0cc7df-dcc4-456e-b56f-4bf4761cfa3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonRecourseDebt_c62da276-2f5f-40df-82fb-28ba6efe1ce8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonRecourseDebt"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_NonRecourseDebt_c62da276-2f5f-40df-82fb-28ba6efe1ce8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_c3606b39-66d2-4642-b265-b172c59587c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_c3606b39-66d2-4642-b265-b172c59587c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_4f0d08e1-4dcf-421e-845e-7784f7ae8302" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_4f0d08e1-4dcf-421e-845e-7784f7ae8302" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonRecourseDebtMegawatts_5f521639-4338-433e-9aef-5406d3a8b940" xlink:href="ceg-20211231.xsd#ceg_NonRecourseDebtMegawatts"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_ceg_NonRecourseDebtMegawatts_5f521639-4338-433e-9aef-5406d3a8b940" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_0c9cda08-68ee-4df2-aacc-00367f611752" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_0c9cda08-68ee-4df2-aacc-00367f611752" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AggregateBankCommitmentsUnderUnsecuredRevolvingCreditFacilities_c279ec13-e66f-4a98-a028-ed93efcfc498" xlink:href="ceg-20211231.xsd#ceg_AggregateBankCommitmentsUnderUnsecuredRevolvingCreditFacilities"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_ceg_AggregateBankCommitmentsUnderUnsecuredRevolvingCreditFacilities_c279ec13-e66f-4a98-a028-ed93efcfc498" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_0dfaecd9-51cd-4a24-86a6-9b0ebbe697ab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_LongTermDebt_0dfaecd9-51cd-4a24-86a6-9b0ebbe697ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonRecourseDebtInterestRateSwap_38340310-a762-4dd5-bae8-8f0af00a115a" xlink:href="ceg-20211231.xsd#ceg_NonRecourseDebtInterestRateSwap"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_ceg_NonRecourseDebtInterestRateSwap_38340310-a762-4dd5-bae8-8f0af00a115a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonRecourseDebtHedgePercentage_1d37bb15-94c4-408b-ad33-0faac3efbd01" xlink:href="ceg-20211231.xsd#ceg_NonRecourseDebtHedgePercentage"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_ceg_NonRecourseDebtHedgePercentage_1d37bb15-94c4-408b-ad33-0faac3efbd01" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonRecourseDebtMinimumRate_2de194b7-e524-472d-92bb-92ea03275045" xlink:href="ceg-20211231.xsd#ceg_NonRecourseDebtMinimumRate"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_ceg_NonRecourseDebtMinimumRate_2de194b7-e524-472d-92bb-92ea03275045" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_f3b9a039-92a7-46ba-b424-73bcdeda6ff6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_f3b9a039-92a7-46ba-b424-73bcdeda6ff6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_d74fb965-e099-40a8-bc79-adf124c7a8d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_d74fb965-e099-40a8-bc79-adf124c7a8d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturityDate_eea5eb36-2da6-4370-a7a5-32628b664e33" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturityDate"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_LongTermDebtMaturityDate_eea5eb36-2da6-4370-a7a5-32628b664e33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateNoncurrent_1a43d210-c1b9-4099-abbc-8560c07aaa77" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueToAffiliateNoncurrent"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleOfLineOfCreditShortTermAndLongTermDebtLineItems_539b348e-eddb-42dd-85e9-7264cf01d66c" xlink:to="loc_us-gaap_DueToAffiliateNoncurrent_1a43d210-c1b9-4099-abbc-8560c07aaa77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DebtandCreditAgreementsCommercialPaperBorrowingsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DebtandCreditAgreementsCommercialPaperBorrowingsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DebtandCreditAgreementsCommercialPaperBorrowingsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_f11bcbb1-a497-4572-8307-f31f468b2635" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_6ff8d76b-5cb6-4423-80cc-686084c40302" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShortTermDebtTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_f11bcbb1-a497-4572-8307-f31f468b2635" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_6ff8d76b-5cb6-4423-80cc-686084c40302" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_f60594f6-620e-494d-866b-1af6b77dfba7" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_6ff8d76b-5cb6-4423-80cc-686084c40302" xlink:to="loc_dei_LegalEntityAxis_f60594f6-620e-494d-866b-1af6b77dfba7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_1c23eea2-9fb4-42bb-b9ab-c80aee0b02d2" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_f60594f6-620e-494d-866b-1af6b77dfba7" xlink:to="loc_dei_EntityDomain_1c23eea2-9fb4-42bb-b9ab-c80aee0b02d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_5fb29d32-c72d-47cc-bc9f-9c8a27d88832" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1c23eea2-9fb4-42bb-b9ab-c80aee0b02d2" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_5fb29d32-c72d-47cc-bc9f-9c8a27d88832" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_a95548f0-c83a-4abb-a700-9c26bbc126df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_6ff8d76b-5cb6-4423-80cc-686084c40302" xlink:to="loc_us-gaap_CreditFacilityAxis_a95548f0-c83a-4abb-a700-9c26bbc126df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_1be348dd-6298-477e-b432-ddb235d534b6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_a95548f0-c83a-4abb-a700-9c26bbc126df" xlink:to="loc_us-gaap_CreditFacilityDomain_1be348dd-6298-477e-b432-ddb235d534b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_61cfadb8-6e58-430c-942c-c7142720c1ca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommercialPaperMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_1be348dd-6298-477e-b432-ddb235d534b6" xlink:to="loc_us-gaap_CommercialPaperMember_61cfadb8-6e58-430c-942c-c7142720c1ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BilateralCreditAgreementsMember_c134d08b-877e-430b-96dc-9861e8bd2604" xlink:href="ceg-20211231.xsd#ceg_BilateralCreditAgreementsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_1be348dd-6298-477e-b432-ddb235d534b6" xlink:to="loc_ceg_BilateralCreditAgreementsMember_c134d08b-877e-430b-96dc-9861e8bd2604" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_74397a7e-8cad-4717-ac75-39c918f37f35" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SecuredDebtMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_1be348dd-6298-477e-b432-ddb235d534b6" xlink:to="loc_us-gaap_SecuredDebtMember_74397a7e-8cad-4717-ac75-39c918f37f35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_d87f7dc3-7176-4148-a204-5b2346fc2c4e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_1be348dd-6298-477e-b432-ddb235d534b6" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_d87f7dc3-7176-4148-a204-5b2346fc2c4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_1e53bfb2-fd4d-4ef0-a77b-1374d5dccd5b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermDebtTypeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_6ff8d76b-5cb6-4423-80cc-686084c40302" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_1e53bfb2-fd4d-4ef0-a77b-1374d5dccd5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_c259007e-f71d-45ed-900c-a0282fa3fc12" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_1e53bfb2-fd4d-4ef0-a77b-1374d5dccd5b" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_c259007e-f71d-45ed-900c-a0282fa3fc12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_04ebb121-3d8d-4905-832d-70a0e2c7e27f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommercialPaperMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_c259007e-f71d-45ed-900c-a0282fa3fc12" xlink:to="loc_us-gaap_CommercialPaperMember_04ebb121-3d8d-4905-832d-70a0e2c7e27f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_c81c54fa-e72c-4d58-85bb-efe3d971ae60" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_6ff8d76b-5cb6-4423-80cc-686084c40302" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_c81c54fa-e72c-4d58-85bb-efe3d971ae60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_d5888163-77aa-4b22-8acc-2c4d62e7ee7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_c81c54fa-e72c-4d58-85bb-efe3d971ae60" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_d5888163-77aa-4b22-8acc-2c4d62e7ee7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommunityAndMinorityFacilitiesMember_81c32d7b-c65c-40ab-94c7-3790930a046a" xlink:href="ceg-20211231.xsd#ceg_CommunityAndMinorityFacilitiesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_d5888163-77aa-4b22-8acc-2c4d62e7ee7d" xlink:to="loc_ceg_CommunityAndMinorityFacilitiesMember_81c32d7b-c65c-40ab-94c7-3790930a046a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtLineItems_d595adf6-0706-40cc-9236-a87efb0dcb2c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermDebtLineItems"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_6ff8d76b-5cb6-4423-80cc-686084c40302" xlink:to="loc_us-gaap_ShortTermDebtLineItems_d595adf6-0706-40cc-9236-a87efb0dcb2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_bfc87629-11ed-4504-bafd-150ae79ad7e7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_d595adf6-0706-40cc-9236-a87efb0dcb2c" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_bfc87629-11ed-4504-bafd-150ae79ad7e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaper_6ed75b19-d9a9-4ed9-b8e7-83fd4de06468" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommercialPaper"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_d595adf6-0706-40cc-9236-a87efb0dcb2c" xlink:to="loc_us-gaap_CommercialPaper_6ed75b19-d9a9-4ed9-b8e7-83fd4de06468" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_2beae3ad-9b13-45ac-8212-faa08433c152" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermDebtWeightedAverageInterestRate"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_d595adf6-0706-40cc-9236-a87efb0dcb2c" xlink:to="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_2beae3ad-9b13-45ac-8212-faa08433c152" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_7ebac9f7-1ea6-4eb0-abb7-0ca7ca6d8f72" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_d595adf6-0706-40cc-9236-a87efb0dcb2c" xlink:to="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_7ebac9f7-1ea6-4eb0-abb7-0ca7ca6d8f72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DebtandCreditAgreementsSummaryofBankCommitmentsCreditFacilityBorrowingsandAvailableCapacityDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DebtandCreditAgreementsSummaryofBankCommitmentsCreditFacilityBorrowingsandAvailableCapacityDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DebtandCreditAgreementsSummaryofBankCommitmentsCreditFacilityBorrowingsandAvailableCapacityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_e2d02706-077a-4968-8116-9fed791a6cf6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_cc61d2bf-bb58-4b19-8c47-10d0afb91c83" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShortTermDebtTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_e2d02706-077a-4968-8116-9fed791a6cf6" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_cc61d2bf-bb58-4b19-8c47-10d0afb91c83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_4c5ed46a-19cd-4ff3-8da6-83619c679728" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_cc61d2bf-bb58-4b19-8c47-10d0afb91c83" xlink:to="loc_dei_LegalEntityAxis_4c5ed46a-19cd-4ff3-8da6-83619c679728" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_d23ec6d8-33c4-43de-958b-e78c945d9635" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_4c5ed46a-19cd-4ff3-8da6-83619c679728" xlink:to="loc_dei_EntityDomain_d23ec6d8-33c4-43de-958b-e78c945d9635" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_7c2c4f6a-dc3f-43a5-9a9a-2233e21413a6" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_d23ec6d8-33c4-43de-958b-e78c945d9635" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_7c2c4f6a-dc3f-43a5-9a9a-2233e21413a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_bd7988d0-d82d-4921-9eb1-6a28902f2654" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_cc61d2bf-bb58-4b19-8c47-10d0afb91c83" xlink:to="loc_us-gaap_CreditFacilityAxis_bd7988d0-d82d-4921-9eb1-6a28902f2654" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_c228a685-9fc0-4e8d-8639-18ad2ee518ed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_bd7988d0-d82d-4921-9eb1-6a28902f2654" xlink:to="loc_us-gaap_CreditFacilityDomain_c228a685-9fc0-4e8d-8639-18ad2ee518ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_20639b58-b58a-4820-bcb9-2869912252e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_c228a685-9fc0-4e8d-8639-18ad2ee518ed" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_20639b58-b58a-4820-bcb9-2869912252e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BilateralCreditAgreementsMember_8b67c308-aebf-4a13-805e-f0e4b6e3acad" xlink:href="ceg-20211231.xsd#ceg_BilateralCreditAgreementsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_c228a685-9fc0-4e8d-8639-18ad2ee518ed" xlink:to="loc_ceg_BilateralCreditAgreementsMember_8b67c308-aebf-4a13-805e-f0e4b6e3acad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_ad0beed2-bfd8-497b-9bf6-d9a2c82c828e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SecuredDebtMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_c228a685-9fc0-4e8d-8639-18ad2ee518ed" xlink:to="loc_us-gaap_SecuredDebtMember_ad0beed2-bfd8-497b-9bf6-d9a2c82c828e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_4b9657f4-d05d-42c0-ab6f-a75b135cd871" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_cc61d2bf-bb58-4b19-8c47-10d0afb91c83" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_4b9657f4-d05d-42c0-ab6f-a75b135cd871" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_7fa570d7-d5da-47ca-94e5-3b535afda930" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_4b9657f4-d05d-42c0-ab6f-a75b135cd871" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_7fa570d7-d5da-47ca-94e5-3b535afda930" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_e6943c86-053e-44c1-8da7-eda7bb47ee86" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_7fa570d7-d5da-47ca-94e5-3b535afda930" xlink:to="loc_us-gaap_SubsequentEventMember_e6943c86-053e-44c1-8da7-eda7bb47ee86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_3fc8b5d1-bef8-4e3f-a9de-3618bdbbce2b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermDebtTypeAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_cc61d2bf-bb58-4b19-8c47-10d0afb91c83" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_3fc8b5d1-bef8-4e3f-a9de-3618bdbbce2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_8d1b7a12-0c1f-4836-965b-d5e7af710a20" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_3fc8b5d1-bef8-4e3f-a9de-3618bdbbce2b" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_8d1b7a12-0c1f-4836-965b-d5e7af710a20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_4868a7b4-2e61-4da9-b166-6d33dcb649a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LetterOfCreditMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_8d1b7a12-0c1f-4836-965b-d5e7af710a20" xlink:to="loc_us-gaap_LetterOfCreditMember_4868a7b4-2e61-4da9-b166-6d33dcb649a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_90c9115e-2131-4264-bce4-c62ba029353f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_cc61d2bf-bb58-4b19-8c47-10d0afb91c83" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_90c9115e-2131-4264-bce4-c62ba029353f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_3ad03045-a727-466d-9729-099aad0fc4e3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_90c9115e-2131-4264-bce4-c62ba029353f" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_3ad03045-a727-466d-9729-099aad0fc4e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommunityAndMinorityFacilitiesMember_f886ec30-0398-44d0-a936-844bac60b552" xlink:href="ceg-20211231.xsd#ceg_CommunityAndMinorityFacilitiesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_3ad03045-a727-466d-9729-099aad0fc4e3" xlink:to="loc_ceg_CommunityAndMinorityFacilitiesMember_f886ec30-0398-44d0-a936-844bac60b552" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtLineItems_3b2bd0eb-9b68-4760-8ff5-19e93d45cfbc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermDebtLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_cc61d2bf-bb58-4b19-8c47-10d0afb91c83" xlink:to="loc_us-gaap_ShortTermDebtLineItems_3b2bd0eb-9b68-4760-8ff5-19e93d45cfbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_020ad581-8a96-4d73-87bb-043372dbe1d0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_3b2bd0eb-9b68-4760-8ff5-19e93d45cfbc" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_020ad581-8a96-4d73-87bb-043372dbe1d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_fe51d355-9e23-4bad-989e-7feb86c55d72" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCredit"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_3b2bd0eb-9b68-4760-8ff5-19e93d45cfbc" xlink:to="loc_us-gaap_LineOfCredit_fe51d355-9e23-4bad-989e-7feb86c55d72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_e7085682-3c46-408a-ad0a-71888bd8e698" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_3b2bd0eb-9b68-4760-8ff5-19e93d45cfbc" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_e7085682-3c46-408a-ad0a-71888bd8e698" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2464833d-cb49-479a-9b2f-451d61b8aedf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_3b2bd0eb-9b68-4760-8ff5-19e93d45cfbc" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2464833d-cb49-479a-9b2f-451d61b8aedf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCapacityAvailableForTradePurchases_56695d7f-2c3a-4529-bde0-16918a20479b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityCapacityAvailableForTradePurchases"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_3b2bd0eb-9b68-4760-8ff5-19e93d45cfbc" xlink:to="loc_us-gaap_LineOfCreditFacilityCapacityAvailableForTradePurchases_56695d7f-2c3a-4529-bde0-16918a20479b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_7ac09e74-0fc6-40ea-9e38-df9a9edc47e1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_3b2bd0eb-9b68-4760-8ff5-19e93d45cfbc" xlink:to="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_7ac09e74-0fc6-40ea-9e38-df9a9edc47e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DebtandCreditAgreementsSummaryofCreditFacilityThresholdsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DebtandCreditAgreementsSummaryofCreditFacilityThresholdsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DebtandCreditAgreementsSummaryofCreditFacilityThresholdsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_163b7f9b-4859-4e57-80dc-3d2c1e3be6d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_2f75c124-897b-4e0c-b4dc-e7d716774e2a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_163b7f9b-4859-4e57-80dc-3d2c1e3be6d6" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_2f75c124-897b-4e0c-b4dc-e7d716774e2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_7f0fd454-81d2-4089-a3e6-a711e64640f7" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_2f75c124-897b-4e0c-b4dc-e7d716774e2a" xlink:to="loc_dei_LegalEntityAxis_7f0fd454-81d2-4089-a3e6-a711e64640f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_83d3a342-090b-4e2c-93ff-82f0e79540d2" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_7f0fd454-81d2-4089-a3e6-a711e64640f7" xlink:to="loc_dei_EntityDomain_83d3a342-090b-4e2c-93ff-82f0e79540d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_d3137177-7c7a-486b-952d-0ba86903c171" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_83d3a342-090b-4e2c-93ff-82f0e79540d2" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_d3137177-7c7a-486b-952d-0ba86903c171" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_504c4300-c18e-4af3-a52a-41e7bcbd1ee7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_2f75c124-897b-4e0c-b4dc-e7d716774e2a" xlink:to="loc_us-gaap_CreditFacilityAxis_504c4300-c18e-4af3-a52a-41e7bcbd1ee7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_7ee30c66-54b6-4e68-bb15-2017de57618b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_504c4300-c18e-4af3-a52a-41e7bcbd1ee7" xlink:to="loc_us-gaap_CreditFacilityDomain_7ee30c66-54b6-4e68-bb15-2017de57618b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BilateralCreditAgreementsMember_44087a2b-0bf5-4bce-b499-f49806ed79e5" xlink:href="ceg-20211231.xsd#ceg_BilateralCreditAgreementsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_7ee30c66-54b6-4e68-bb15-2017de57618b" xlink:to="loc_ceg_BilateralCreditAgreementsMember_44087a2b-0bf5-4bce-b499-f49806ed79e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExGenBilat100May152020Member_494ac79a-47cc-40f2-b82b-bee079b163a6" xlink:href="ceg-20211231.xsd#ceg_ExGenBilat100May152020Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_7ee30c66-54b6-4e68-bb15-2017de57618b" xlink:to="loc_ceg_ExGenBilat100May152020Member_494ac79a-47cc-40f2-b82b-bee079b163a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_e30eb1c5-4873-45d1-a5c2-af6d6ff0b5ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_2f75c124-897b-4e0c-b4dc-e7d716774e2a" xlink:to="loc_us-gaap_DebtInstrumentAxis_e30eb1c5-4873-45d1-a5c2-af6d6ff0b5ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_bbbe6fda-d898-4da3-a29b-ecf1055c3045" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_e30eb1c5-4873-45d1-a5c2-af6d6ff0b5ff" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_bbbe6fda-d898-4da3-a29b-ecf1055c3045" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BilateralJan2013Member_3bcc06c7-ea28-487e-8f2f-ee31cf803b35" xlink:href="ceg-20211231.xsd#ceg_BilateralJan2013Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_bbbe6fda-d898-4da3-a29b-ecf1055c3045" xlink:to="loc_ceg_BilateralJan2013Member_3bcc06c7-ea28-487e-8f2f-ee31cf803b35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BilateralJan2016Member_a099aea9-70e0-49c0-9cf7-c236c5a9c409" xlink:href="ceg-20211231.xsd#ceg_BilateralJan2016Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_bbbe6fda-d898-4da3-a29b-ecf1055c3045" xlink:to="loc_ceg_BilateralJan2016Member_a099aea9-70e0-49c0-9cf7-c236c5a9c409" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BilateralFeb2019Member_4fd871a4-311a-4a55-9be1-6c940d91ffdd" xlink:href="ceg-20211231.xsd#ceg_BilateralFeb2019Member"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_bbbe6fda-d898-4da3-a29b-ecf1055c3045" xlink:to="loc_ceg_BilateralFeb2019Member_4fd871a4-311a-4a55-9be1-6c940d91ffdd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BilateralOct2019aMember_defb7259-aeb5-42ca-b4a7-2c749d785d02" xlink:href="ceg-20211231.xsd#ceg_BilateralOct2019aMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_bbbe6fda-d898-4da3-a29b-ecf1055c3045" xlink:to="loc_ceg_BilateralOct2019aMember_defb7259-aeb5-42ca-b4a7-2c749d785d02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BilateralNov2019aMember_2364e127-2be6-464b-9839-2a51d7d7de43" xlink:href="ceg-20211231.xsd#ceg_BilateralNov2019aMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_bbbe6fda-d898-4da3-a29b-ecf1055c3045" xlink:to="loc_ceg_BilateralNov2019aMember_2364e127-2be6-464b-9839-2a51d7d7de43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BilateralNov2019bMember_e5d7e937-5ff5-487b-9fa5-321e7f1bfda3" xlink:href="ceg-20211231.xsd#ceg_BilateralNov2019bMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_bbbe6fda-d898-4da3-a29b-ecf1055c3045" xlink:to="loc_ceg_BilateralNov2019bMember_e5d7e937-5ff5-487b-9fa5-321e7f1bfda3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BilateralNov2019cMember_6f2e7733-1dfd-42bb-bbd6-c58d5713411c" xlink:href="ceg-20211231.xsd#ceg_BilateralNov2019cMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_bbbe6fda-d898-4da3-a29b-ecf1055c3045" xlink:to="loc_ceg_BilateralNov2019cMember_6f2e7733-1dfd-42bb-bbd6-c58d5713411c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExGenBilat100May152020Member_f3cb53e3-0b05-4645-a617-2ee6c8009e76" xlink:href="ceg-20211231.xsd#ceg_ExGenBilat100May152020Member"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_bbbe6fda-d898-4da3-a29b-ecf1055c3045" xlink:to="loc_ceg_ExGenBilat100May152020Member_f3cb53e3-0b05-4645-a617-2ee6c8009e76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_a97b4c70-7d60-464b-a821-88318e5163c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_2f75c124-897b-4e0c-b4dc-e7d716774e2a" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_a97b4c70-7d60-464b-a821-88318e5163c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_1c29d5b7-fcf0-4d44-998f-ca4d9c7e596e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_a97b4c70-7d60-464b-a821-88318e5163c3" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_1c29d5b7-fcf0-4d44-998f-ca4d9c7e596e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_6ef529dd-cd79-42aa-a973-ca195d8ea9f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_1c29d5b7-fcf0-4d44-998f-ca4d9c7e596e" xlink:to="loc_us-gaap_SubsequentEventMember_6ef529dd-cd79-42aa-a973-ca195d8ea9f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_89894478-572f-4b14-bcfb-9adbabcb7487" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_2f75c124-897b-4e0c-b4dc-e7d716774e2a" xlink:to="loc_us-gaap_LineOfCreditFacilityLineItems_89894478-572f-4b14-bcfb-9adbabcb7487" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_d4e5aabb-9ab8-40a3-a858-b8094e851e12" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_89894478-572f-4b14-bcfb-9adbabcb7487" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_d4e5aabb-9ab8-40a3-a858-b8094e851e12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DebtandCreditAgreementsSummaryofOutstandingLongtermDebtDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DebtandCreditAgreementsSummaryofOutstandingLongtermDebtDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DebtandCreditAgreementsSummaryofOutstandingLongtermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_8e578e0d-3239-4eb2-b63a-1baa0432935a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_3f1d9fdc-69ab-4ccb-8d5e-357c497d908d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_8e578e0d-3239-4eb2-b63a-1baa0432935a" xlink:to="loc_us-gaap_DebtInstrumentTable_3f1d9fdc-69ab-4ccb-8d5e-357c497d908d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_c3ef9f82-35a3-4c56-a7c4-fca4177e5061" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_3f1d9fdc-69ab-4ccb-8d5e-357c497d908d" xlink:to="loc_dei_LegalEntityAxis_c3ef9f82-35a3-4c56-a7c4-fca4177e5061" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_c71db704-5d9a-463b-8742-163074d99202" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_c3ef9f82-35a3-4c56-a7c4-fca4177e5061" xlink:to="loc_dei_EntityDomain_c71db704-5d9a-463b-8742-163074d99202" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_7d11acde-30fe-4361-ade3-9d171d03afb6" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c71db704-5d9a-463b-8742-163074d99202" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_7d11acde-30fe-4361-ade3-9d171d03afb6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_ac039b7c-bd83-4293-85b7-4062bb83e8d3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_3f1d9fdc-69ab-4ccb-8d5e-357c497d908d" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_ac039b7c-bd83-4293-85b7-4062bb83e8d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0ac3f3b1-581f-4279-ba1c-bed8e2cddeb7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_ac039b7c-bd83-4293-85b7-4062bb83e8d3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0ac3f3b1-581f-4279-ba1c-bed8e2cddeb7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_14ee397c-9cdf-4441-8cfa-77a203e5fef8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeniorNotesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0ac3f3b1-581f-4279-ba1c-bed8e2cddeb7" xlink:to="loc_us-gaap_SeniorNotesMember_14ee397c-9cdf-4441-8cfa-77a203e5fef8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_04f28eaa-92a4-4233-9eb2-c2736d55f576" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0ac3f3b1-581f-4279-ba1c-bed8e2cddeb7" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_04f28eaa-92a4-4233-9eb2-c2736d55f576" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonRecourseFixedRateMemberMember_94b901d3-dc96-43af-8f30-6f5e6c4e0530" xlink:href="ceg-20211231.xsd#ceg_NonRecourseFixedRateMemberMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0ac3f3b1-581f-4279-ba1c-bed8e2cddeb7" xlink:to="loc_ceg_NonRecourseFixedRateMemberMember_94b901d3-dc96-43af-8f30-6f5e6c4e0530" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NonRecourseVariableRateMember_73ced71d-26f0-4a4d-b287-7c53787066fe" xlink:href="ceg-20211231.xsd#ceg_NonRecourseVariableRateMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0ac3f3b1-581f-4279-ba1c-bed8e2cddeb7" xlink:to="loc_ceg_NonRecourseVariableRateMember_73ced71d-26f0-4a4d-b287-7c53787066fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_e322ea7e-9c05-490d-8ff3-9e6066117a2f" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_3f1d9fdc-69ab-4ccb-8d5e-357c497d908d" xlink:to="loc_srt_RangeAxis_e322ea7e-9c05-490d-8ff3-9e6066117a2f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_3d3e0ae6-f125-4b5b-a174-ad953bfb7f90" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_e322ea7e-9c05-490d-8ff3-9e6066117a2f" xlink:to="loc_srt_RangeMember_3d3e0ae6-f125-4b5b-a174-ad953bfb7f90" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_fada8c0c-5e4f-43a5-8887-008d3145b38a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_3d3e0ae6-f125-4b5b-a174-ad953bfb7f90" xlink:to="loc_srt_MinimumMember_fada8c0c-5e4f-43a5-8887-008d3145b38a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_c20103ac-9ff9-4cd4-962b-a7c7d0d1fe10" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_3d3e0ae6-f125-4b5b-a174-ad953bfb7f90" xlink:to="loc_srt_MaximumMember_c20103ac-9ff9-4cd4-962b-a7c7d0d1fe10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_83441d3a-78fa-4c95-930f-ebccb56dfe85" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_3f1d9fdc-69ab-4ccb-8d5e-357c497d908d" xlink:to="loc_us-gaap_DebtInstrumentLineItems_83441d3a-78fa-4c95-930f-ebccb56dfe85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_121d60c2-70e2-46a8-b5cc-bcd2b085e803" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83441d3a-78fa-4c95-930f-ebccb56dfe85" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_121d60c2-70e2-46a8-b5cc-bcd2b085e803" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_f2e090c9-0072-4775-978d-5c62afc01625" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83441d3a-78fa-4c95-930f-ebccb56dfe85" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_f2e090c9-0072-4775-978d-5c62afc01625" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_66897632-70cd-4447-8a01-6bbcca095852" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83441d3a-78fa-4c95-930f-ebccb56dfe85" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_66897632-70cd-4447-8a01-6bbcca095852" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_22b5d738-8694-43c4-a69b-7e754e42f87f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83441d3a-78fa-4c95-930f-ebccb56dfe85" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_22b5d738-8694-43c4-a69b-7e754e42f87f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_94741e82-45ae-4b16-a6ed-54e2862078de" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83441d3a-78fa-4c95-930f-ebccb56dfe85" xlink:to="loc_us-gaap_DebtInstrumentFairValue_94741e82-45ae-4b16-a6ed-54e2862078de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_f3710818-1e6b-4cfa-ae2b-f99afe4c41b7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83441d3a-78fa-4c95-930f-ebccb56dfe85" xlink:to="loc_us-gaap_LongTermDebtCurrent_f3710818-1e6b-4cfa-ae2b-f99afe4c41b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_9b252845-3195-4bce-a10c-e6e22c9a8f82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_83441d3a-78fa-4c95-930f-ebccb56dfe85" xlink:to="loc_us-gaap_DebtAndCapitalLeaseObligations_9b252845-3195-4bce-a10c-e6e22c9a8f82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/DebtandCreditAgreementsScheduleofLongtermDebtMaturitiesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#DebtandCreditAgreementsScheduleofLongtermDebtMaturitiesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/DebtandCreditAgreementsScheduleofLongtermDebtMaturitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_90c3e2bd-4edf-47b3-ae49-feb4c8aa3074" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_7e6a96cc-6765-4f5d-9b9d-e038959fd508" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_90c3e2bd-4edf-47b3-ae49-feb4c8aa3074" xlink:to="loc_us-gaap_DebtInstrumentTable_7e6a96cc-6765-4f5d-9b9d-e038959fd508" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5540aac6-999b-4a99-a534-8b8519deacf2" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_7e6a96cc-6765-4f5d-9b9d-e038959fd508" xlink:to="loc_dei_LegalEntityAxis_5540aac6-999b-4a99-a534-8b8519deacf2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7ec4dee0-6193-4011-95af-b698ed16e44e" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_5540aac6-999b-4a99-a534-8b8519deacf2" xlink:to="loc_dei_EntityDomain_7ec4dee0-6193-4011-95af-b698ed16e44e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_890dcb59-6590-4b7d-9426-c06d65790217" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7ec4dee0-6193-4011-95af-b698ed16e44e" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_890dcb59-6590-4b7d-9426-c06d65790217" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_eb3d1c87-c906-4f88-9b10-74555b408ced" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_7e6a96cc-6765-4f5d-9b9d-e038959fd508" xlink:to="loc_us-gaap_DebtInstrumentLineItems_eb3d1c87-c906-4f88-9b10-74555b408ced" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_61a6c265-372c-4793-87ef-3e14e64164be" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eb3d1c87-c906-4f88-9b10-74555b408ced" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_61a6c265-372c-4793-87ef-3e14e64164be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_bd20b294-f6c9-4009-bb47-4c5f25649ec0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eb3d1c87-c906-4f88-9b10-74555b408ced" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_bd20b294-f6c9-4009-bb47-4c5f25649ec0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_8fecf1e4-1ade-4465-a5e3-eb388bd5f9e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eb3d1c87-c906-4f88-9b10-74555b408ced" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_8fecf1e4-1ade-4465-a5e3-eb388bd5f9e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_0301c12b-6cab-410a-b4f6-9bab8b1b166a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eb3d1c87-c906-4f88-9b10-74555b408ced" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_0301c12b-6cab-410a-b4f6-9bab8b1b166a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_61f2cee8-e210-4600-83c5-b77fa8202166" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eb3d1c87-c906-4f88-9b10-74555b408ced" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_61f2cee8-e210-4600-83c5-b77fa8202166" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_c292d49c-83bd-477f-8461-ca3f1c8fe685" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eb3d1c87-c906-4f88-9b10-74555b408ced" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_c292d49c-83bd-477f-8461-ca3f1c8fe685" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_bbc1a9a1-bfd3-4b5b-acaf-2a85d61e0e7f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eb3d1c87-c906-4f88-9b10-74555b408ced" xlink:to="loc_us-gaap_LongTermDebt_bbc1a9a1-bfd3-4b5b-acaf-2a85d61e0e7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilities" xlink:type="simple" xlink:href="ceg-20211231.xsd#FairValueofFinancialAssetsandLiabilities"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilities" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_7aa4511c-f2ac-497d-a35c-2490c52c37a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_297c8c51-1d6c-4964-92e0-33f84268e6ac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_7aa4511c-f2ac-497d-a35c-2490c52c37a3" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_297c8c51-1d6c-4964-92e0-33f84268e6ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#FairValueofFinancialAssetsandLiabilitiesTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_fabbee9d-f9a0-460f-b453-c3a3fad7a236" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_6629f235-b349-455f-84f5-195a7ca81d3f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_fabbee9d-f9a0-460f-b453-c3a3fad7a236" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_6629f235-b349-455f-84f5-195a7ca81d3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_b563a22d-2cf0-42f5-b6b0-559d3f37a5ae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_fabbee9d-f9a0-460f-b453-c3a3fad7a236" xlink:to="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_b563a22d-2cf0-42f5-b6b0-559d3f37a5ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_4e5930fb-e0fa-4d72-9470-2c9f57974d76" xlink:href="ceg-20211231.xsd#ceg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_fabbee9d-f9a0-460f-b453-c3a3fad7a236" xlink:to="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_4e5930fb-e0fa-4d72-9470-2c9f57974d76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock_175e552b-49db-4f7a-994d-ccc8843a8b6a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_fabbee9d-f9a0-460f-b453-c3a3fad7a236" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock_175e552b-49db-4f7a-994d-ccc8843a8b6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock_f32b6f19-3aa5-4fa9-aa46-129e58970421" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_fabbee9d-f9a0-460f-b453-c3a3fad7a236" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock_f32b6f19-3aa5-4fa9-aa46-129e58970421" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#FairValueofFinancialAssetsandLiabilitiesNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_21f81ff1-dfb4-4a26-b0ca-9c80c3b189b7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_50c9cfd6-9804-4262-9a9b-55771751853b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_21f81ff1-dfb4-4a26-b0ca-9c80c3b189b7" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_50c9cfd6-9804-4262-9a9b-55771751853b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_c4e82d7d-17d7-4f34-adcb-a5558e8d1285" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByAssetClassAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_50c9cfd6-9804-4262-9a9b-55771751853b" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_c4e82d7d-17d7-4f34-adcb-a5558e8d1285" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_e1a67b73-1478-4c8b-b48b-534da29ab4ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_c4e82d7d-17d7-4f34-adcb-a5558e8d1285" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_e1a67b73-1478-4c8b-b48b-534da29ab4ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PrivateCreditMember_fe7a7730-edc2-4893-9044-2e4757b79b1e" xlink:href="ceg-20211231.xsd#ceg_PrivateCreditMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_e1a67b73-1478-4c8b-b48b-534da29ab4ec" xlink:to="loc_ceg_PrivateCreditMember_fe7a7730-edc2-4893-9044-2e4757b79b1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrivateEquityFundsMember_486363e2-085e-4060-b7d1-0e499848c62b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrivateEquityFundsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_e1a67b73-1478-4c8b-b48b-534da29ab4ec" xlink:to="loc_us-gaap_PrivateEquityFundsMember_486363e2-085e-4060-b7d1-0e499848c62b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateFundsMember_0189755f-e393-4d5a-9c23-598aaffdc84b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateFundsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_e1a67b73-1478-4c8b-b48b-534da29ab4ec" xlink:to="loc_us-gaap_RealEstateFundsMember_0189755f-e393-4d5a-9c23-598aaffdc84b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_c9476b6f-6e82-4616-8f19-68d95cdb2056" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_50c9cfd6-9804-4262-9a9b-55771751853b" xlink:to="loc_dei_LegalEntityAxis_c9476b6f-6e82-4616-8f19-68d95cdb2056" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_c0359b78-f391-458c-9a26-c3a9ffb65f07" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_c9476b6f-6e82-4616-8f19-68d95cdb2056" xlink:to="loc_dei_EntityDomain_c0359b78-f391-458c-9a26-c3a9ffb65f07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_5dec9be3-5c53-4cca-b0d1-b55cd05c10db" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c0359b78-f391-458c-9a26-c3a9ffb65f07" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_5dec9be3-5c53-4cca-b0d1-b55cd05c10db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_cef3975b-65cb-4076-9151-d8ef068c067a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_50c9cfd6-9804-4262-9a9b-55771751853b" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_cef3975b-65cb-4076-9151-d8ef068c067a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments_7a45e4b7-e9b8-4cc0-9685-9a77c6c488a6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_cef3975b-65cb-4076-9151-d8ef068c067a" xlink:to="loc_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments_7a45e4b7-e9b8-4cc0-9685-9a77c6c488a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_050bf0c2-c7ef-428c-a258-d9bbb29295d4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_cef3975b-65cb-4076-9151-d8ef068c067a" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_050bf0c2-c7ef-428c-a258-d9bbb29295d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ForwardPowerBasis_9fb61074-4fde-490b-9d2d-42a31235a74e" xlink:href="ceg-20211231.xsd#ceg_ForwardPowerBasis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_cef3975b-65cb-4076-9151-d8ef068c067a" xlink:to="loc_ceg_ForwardPowerBasis_9fb61074-4fde-490b-9d2d-42a31235a74e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ForwardGasBasis_566da20c-018a-4ecd-8a57-79ef0d4e9f4e" xlink:href="ceg-20211231.xsd#ceg_ForwardGasBasis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_cef3975b-65cb-4076-9151-d8ef068c067a" xlink:to="loc_ceg_ForwardGasBasis_566da20c-018a-4ecd-8a57-79ef0d4e9f4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueofFinancialLiabilitiesRecordedatAmortizedCostDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#FairValueofFinancialAssetsandLiabilitiesFairValueofFinancialLiabilitiesRecordedatAmortizedCostDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueofFinancialLiabilitiesRecordedatAmortizedCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_930dca23-9f8a-4164-a3ed-2b660d0474a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_3b96a70e-6c1e-4c75-92c2-fab6d3271ba1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_930dca23-9f8a-4164-a3ed-2b660d0474a5" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_3b96a70e-6c1e-4c75-92c2-fab6d3271ba1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_a2b5aab7-c3e2-424d-84be-262775281580" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_3b96a70e-6c1e-4c75-92c2-fab6d3271ba1" xlink:to="loc_dei_LegalEntityAxis_a2b5aab7-c3e2-424d-84be-262775281580" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_08502aef-dade-49b0-8d92-9caf84532038" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_a2b5aab7-c3e2-424d-84be-262775281580" xlink:to="loc_dei_EntityDomain_08502aef-dade-49b0-8d92-9caf84532038" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_f17c4c0f-b853-467d-b573-25f290b3cd58" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_08502aef-dade-49b0-8d92-9caf84532038" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_f17c4c0f-b853-467d-b573-25f290b3cd58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_bd62a0cd-64ba-4999-a2d8-b87ac030cece" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_3b96a70e-6c1e-4c75-92c2-fab6d3271ba1" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_bd62a0cd-64ba-4999-a2d8-b87ac030cece" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_5e59c6d5-05bf-4664-a8dd-a7ab47dbd5d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_bd62a0cd-64ba-4999-a2d8-b87ac030cece" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_5e59c6d5-05bf-4664-a8dd-a7ab47dbd5d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_16e72466-0e46-4190-a572-d3c5e0e84d6c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_5e59c6d5-05bf-4664-a8dd-a7ab47dbd5d6" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_16e72466-0e46-4190-a572-d3c5e0e84d6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_ce9f8fe4-8ca9-4840-9e5b-2c5bfe71c9cc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_5e59c6d5-05bf-4664-a8dd-a7ab47dbd5d6" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_ce9f8fe4-8ca9-4840-9e5b-2c5bfe71c9cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_080f069e-2e6e-4da7-a30b-fe0881af9af3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_5e59c6d5-05bf-4664-a8dd-a7ab47dbd5d6" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_080f069e-2e6e-4da7-a30b-fe0881af9af3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_644aa6ae-35a2-4012-800f-46027d9a4708" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_3b96a70e-6c1e-4c75-92c2-fab6d3271ba1" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_644aa6ae-35a2-4012-800f-46027d9a4708" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_da5c8e34-7394-4b30-be95-cbfbb757beac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_644aa6ae-35a2-4012-800f-46027d9a4708" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_da5c8e34-7394-4b30-be95-cbfbb757beac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_f2494c93-1578-40cf-b08f-3a9a4cf2101f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_da5c8e34-7394-4b30-be95-cbfbb757beac" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_f2494c93-1578-40cf-b08f-3a9a4cf2101f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_aff84736-5020-4d91-83fc-1f58ab0e17ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_da5c8e34-7394-4b30-be95-cbfbb757beac" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_aff84736-5020-4d91-83fc-1f58ab0e17ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_99ef054b-5916-4219-bce0-462f113e79b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_3b96a70e-6c1e-4c75-92c2-fab6d3271ba1" xlink:to="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_99ef054b-5916-4219-bce0-462f113e79b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_53fcb40d-e873-4a61-bc6c-97ee58cd338c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_99ef054b-5916-4219-bce0-462f113e79b1" xlink:to="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_53fcb40d-e873-4a61-bc6c-97ee58cd338c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_cc1ad2f8-e328-400f-8f26-735b9149b0b6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_53fcb40d-e873-4a61-bc6c-97ee58cd338c" xlink:to="loc_us-gaap_DebtInstrumentFairValue_cc1ad2f8-e328-400f-8f26-735b9149b0b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SpentNuclearFuelObligationNoncurrent_2e6cd5e8-2816-4892-b0f1-0675e7ec12f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SpentNuclearFuelObligationNoncurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_53fcb40d-e873-4a61-bc6c-97ee58cd338c" xlink:to="loc_us-gaap_SpentNuclearFuelObligationNoncurrent_2e6cd5e8-2816-4892-b0f1-0675e7ec12f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueMeasurementofAssetsandLiabilitiesRecurringDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#FairValueofFinancialAssetsandLiabilitiesFairValueMeasurementofAssetsandLiabilitiesRecurringDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueMeasurementofAssetsandLiabilitiesRecurringDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_75c1e7fa-0388-4986-9b9f-7b17734d43ea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_cd0a00ab-1df7-4134-aacc-89fb9e620af5" xlink:href="ceg-20211231.xsd#ceg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_75c1e7fa-0388-4986-9b9f-7b17734d43ea" xlink:to="loc_ceg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_cd0a00ab-1df7-4134-aacc-89fb9e620af5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_fcac0a61-d583-4f5c-9ab2-c44e7b2df3bd" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_cd0a00ab-1df7-4134-aacc-89fb9e620af5" xlink:to="loc_dei_LegalEntityAxis_fcac0a61-d583-4f5c-9ab2-c44e7b2df3bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_dcd5e6fb-f3fc-40ef-b339-b76d9ac6a7fc" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_fcac0a61-d583-4f5c-9ab2-c44e7b2df3bd" xlink:to="loc_dei_EntityDomain_dcd5e6fb-f3fc-40ef-b339-b76d9ac6a7fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_03e101e1-5881-48d2-845f-34efb79b463d" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_dcd5e6fb-f3fc-40ef-b339-b76d9ac6a7fc" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_03e101e1-5881-48d2-845f-34efb79b463d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_a131f0a3-ca61-458c-b3a0-e79ca9a250be" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_cd0a00ab-1df7-4134-aacc-89fb9e620af5" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_a131f0a3-ca61-458c-b3a0-e79ca9a250be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ef2b61da-5c40-4d4e-af3f-b76bd547ac98" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_a131f0a3-ca61-458c-b3a0-e79ca9a250be" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ef2b61da-5c40-4d4e-af3f-b76bd547ac98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_095e2906-89bf-4a42-89c6-5b01ce291ed0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ef2b61da-5c40-4d4e-af3f-b76bd547ac98" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_095e2906-89bf-4a42-89c6-5b01ce291ed0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_94305176-f772-41c0-bad0-446fe4580c55" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ef2b61da-5c40-4d4e-af3f-b76bd547ac98" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_94305176-f772-41c0-bad0-446fe4580c55" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_1b20da12-a96b-44c4-a687-4bcca85834d4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ef2b61da-5c40-4d4e-af3f-b76bd547ac98" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_1b20da12-a96b-44c4-a687-4bcca85834d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_a04dc308-cd04-4895-be69-53064281228b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ef2b61da-5c40-4d4e-af3f-b76bd547ac98" xlink:to="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_a04dc308-cd04-4895-be69-53064281228b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2fd8ffd8-baa1-41d5-8cf9-2632197d31e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_cd0a00ab-1df7-4134-aacc-89fb9e620af5" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2fd8ffd8-baa1-41d5-8cf9-2632197d31e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_946c7ff7-0932-4608-befc-5d6e74564444" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2fd8ffd8-baa1-41d5-8cf9-2632197d31e8" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_946c7ff7-0932-4608-befc-5d6e74564444" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_7c943626-b345-4d78-9331-090588bc4095" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_946c7ff7-0932-4608-befc-5d6e74564444" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_7c943626-b345-4d78-9331-090588bc4095" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_4ce2f5ab-3fce-4ed4-8b0c-7da57ddb0fcd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByAssetClassAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_cd0a00ab-1df7-4134-aacc-89fb9e620af5" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_4ce2f5ab-3fce-4ed4-8b0c-7da57ddb0fcd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_36befbab-0061-46fb-b36b-efe3ec190b1c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_4ce2f5ab-3fce-4ed4-8b0c-7da57ddb0fcd" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_36befbab-0061-46fb-b36b-efe3ec190b1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_f4bc5bfb-42da-415f-9ebb-764f55dd5379" xlink:href="ceg-20211231.xsd#ceg_NuclearDecommissioningTrustFundInvestmentsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_36befbab-0061-46fb-b36b-efe3ec190b1c" xlink:to="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_f4bc5bfb-42da-415f-9ebb-764f55dd5379" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CashEquivalentsNDTMember_420f77d5-d236-4d3f-bbbb-80ea737465b8" xlink:href="ceg-20211231.xsd#ceg_CashEquivalentsNDTMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_f4bc5bfb-42da-415f-9ebb-764f55dd5379" xlink:to="loc_ceg_CashEquivalentsNDTMember_420f77d5-d236-4d3f-bbbb-80ea737465b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EquitySecuritiesNuclearDecommissioningTrustFundMember_662cad2b-406a-4b5d-a3b3-81ca163bc8ef" xlink:href="ceg-20211231.xsd#ceg_EquitySecuritiesNuclearDecommissioningTrustFundMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_f4bc5bfb-42da-415f-9ebb-764f55dd5379" xlink:to="loc_ceg_EquitySecuritiesNuclearDecommissioningTrustFundMember_662cad2b-406a-4b5d-a3b3-81ca163bc8ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FixedIncomeSecuritiesMember_34ed7171-883c-4329-a830-b89c9db813b2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FixedIncomeSecuritiesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_f4bc5bfb-42da-415f-9ebb-764f55dd5379" xlink:to="loc_us-gaap_FixedIncomeSecuritiesMember_34ed7171-883c-4329-a830-b89c9db813b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_97423bf2-b593-4397-9457-a3404d164803" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_34ed7171-883c-4329-a830-b89c9db813b2" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_97423bf2-b593-4397-9457-a3404d164803" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_ef457424-110a-48c5-bc3b-e65e208518fd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_USTreasuryAndGovernmentMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_34ed7171-883c-4329-a830-b89c9db813b2" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_ef457424-110a-48c5-bc3b-e65e208518fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_342dcafc-c703-4548-a243-2617dc0f24ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_34ed7171-883c-4329-a830-b89c9db813b2" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_342dcafc-c703-4548-a243-2617dc0f24ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_4ae1f52d-1645-4181-91f8-56240ea32fa9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_34ed7171-883c-4329-a830-b89c9db813b2" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_4ae1f52d-1645-4181-91f8-56240ea32fa9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OtherFixedIncomeMember_249a3fca-d02d-4fd2-82aa-39eb0e05a604" xlink:href="ceg-20211231.xsd#ceg_OtherFixedIncomeMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FixedIncomeSecuritiesMember_34ed7171-883c-4329-a830-b89c9db813b2" xlink:to="loc_ceg_OtherFixedIncomeMember_249a3fca-d02d-4fd2-82aa-39eb0e05a604" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PrivateCreditMember_8829d674-7760-403f-bba4-4362729b66bd" xlink:href="ceg-20211231.xsd#ceg_PrivateCreditMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_f4bc5bfb-42da-415f-9ebb-764f55dd5379" xlink:to="loc_ceg_PrivateCreditMember_8829d674-7760-403f-bba4-4362729b66bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrivateEquityFundsMember_99fbf2b5-9a0a-4bcf-b2b3-3a3e389f6a6f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrivateEquityFundsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_f4bc5bfb-42da-415f-9ebb-764f55dd5379" xlink:to="loc_us-gaap_PrivateEquityFundsMember_99fbf2b5-9a0a-4bcf-b2b3-3a3e389f6a6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateFundsMember_30d6a1d6-ea7f-42c4-ad53-9727fb58ded0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateFundsMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_f4bc5bfb-42da-415f-9ebb-764f55dd5379" xlink:to="loc_us-gaap_RealEstateFundsMember_30d6a1d6-ea7f-42c4-ad53-9727fb58ded0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RabbiTrustInvestmentsMember_e35ee35c-3f27-48a4-b4cc-b7f985261bed" xlink:href="ceg-20211231.xsd#ceg_RabbiTrustInvestmentsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_36befbab-0061-46fb-b36b-efe3ec190b1c" xlink:to="loc_ceg_RabbiTrustInvestmentsMember_e35ee35c-3f27-48a4-b4cc-b7f985261bed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashEquivalentsMember_19f7a7e5-61a1-4efc-b990-3c55cade9e79" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashEquivalentsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RabbiTrustInvestmentsMember_e35ee35c-3f27-48a4-b4cc-b7f985261bed" xlink:to="loc_us-gaap_CashEquivalentsMember_19f7a7e5-61a1-4efc-b990-3c55cade9e79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MutualFundMember_f6eef9e9-aa04-4a8a-9a68-3108a6bd6b8a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MutualFundMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RabbiTrustInvestmentsMember_e35ee35c-3f27-48a4-b4cc-b7f985261bed" xlink:to="loc_us-gaap_MutualFundMember_f6eef9e9-aa04-4a8a-9a68-3108a6bd6b8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_sic_Z6311_6430c03a-1bc7-4c0f-a506-19d0364b05f3" xlink:href="https://xbrl.sec.gov/sic/2021/sic-2021.xsd#sic_Z6311"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_RabbiTrustInvestmentsMember_e35ee35c-3f27-48a4-b4cc-b7f985261bed" xlink:to="loc_sic_Z6311_6430c03a-1bc7-4c0f-a506-19d0364b05f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesMember_2ea5cb94-0e65-417d-9828-bccaab8ff4ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquitySecuritiesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_36befbab-0061-46fb-b36b-efe3ec190b1c" xlink:to="loc_us-gaap_EquitySecuritiesMember_2ea5cb94-0e65-417d-9828-bccaab8ff4ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommodityDerivativeAssetsMember_8f1184e6-4a3f-4305-a3da-051522b7dc58" xlink:href="ceg-20211231.xsd#ceg_CommodityDerivativeAssetsMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_36befbab-0061-46fb-b36b-efe3ec190b1c" xlink:to="loc_ceg_CommodityDerivativeAssetsMember_8f1184e6-4a3f-4305-a3da-051522b7dc58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EconomicHedgingInstrumentMember_d1dc593d-b759-46fd-b585-38fea568d9dc" xlink:href="ceg-20211231.xsd#ceg_EconomicHedgingInstrumentMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommodityDerivativeAssetsMember_8f1184e6-4a3f-4305-a3da-051522b7dc58" xlink:to="loc_ceg_EconomicHedgingInstrumentMember_d1dc593d-b759-46fd-b585-38fea568d9dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ProprietaryTradingMember_d12aa647-407a-4da2-bcc0-23ccf84ee3c2" xlink:href="ceg-20211231.xsd#ceg_ProprietaryTradingMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommodityDerivativeAssetsMember_8f1184e6-4a3f-4305-a3da-051522b7dc58" xlink:to="loc_ceg_ProprietaryTradingMember_d12aa647-407a-4da2-bcc0-23ccf84ee3c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EffectsofNettingandAllocationofCollateralMember_92ae72cf-6698-4065-978c-35f4c50ed295" xlink:href="ceg-20211231.xsd#ceg_EffectsofNettingandAllocationofCollateralMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommodityDerivativeAssetsMember_8f1184e6-4a3f-4305-a3da-051522b7dc58" xlink:to="loc_ceg_EffectsofNettingandAllocationofCollateralMember_92ae72cf-6698-4065-978c-35f4c50ed295" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_74d082f5-d6d5-4b4d-b302-425150bd75f3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_cd0a00ab-1df7-4134-aacc-89fb9e620af5" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_74d082f5-d6d5-4b4d-b302-425150bd75f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_0ecf6a2c-a324-448d-9c76-edeb8446fefe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_74d082f5-d6d5-4b4d-b302-425150bd75f3" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_0ecf6a2c-a324-448d-9c76-edeb8446fefe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommodityDerivativeLiabilitesMember_c49b9ff4-25c8-44eb-ad10-ef7cfeaa099f" xlink:href="ceg-20211231.xsd#ceg_CommodityDerivativeLiabilitesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_0ecf6a2c-a324-448d-9c76-edeb8446fefe" xlink:to="loc_ceg_CommodityDerivativeLiabilitesMember_c49b9ff4-25c8-44eb-ad10-ef7cfeaa099f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EconomicHedgingInstrumentLiabilitesMember_ec30d34f-6142-43c5-bd75-6402f0305564" xlink:href="ceg-20211231.xsd#ceg_EconomicHedgingInstrumentLiabilitesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommodityDerivativeLiabilitesMember_c49b9ff4-25c8-44eb-ad10-ef7cfeaa099f" xlink:to="loc_ceg_EconomicHedgingInstrumentLiabilitesMember_ec30d34f-6142-43c5-bd75-6402f0305564" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ProprietaryTradingLiabilitiesMember_8b29a1ee-24f4-4c1a-bed1-c2473d4a5c87" xlink:href="ceg-20211231.xsd#ceg_ProprietaryTradingLiabilitiesMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommodityDerivativeLiabilitesMember_c49b9ff4-25c8-44eb-ad10-ef7cfeaa099f" xlink:to="loc_ceg_ProprietaryTradingLiabilitiesMember_8b29a1ee-24f4-4c1a-bed1-c2473d4a5c87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EffectsofNettingandAllocationofCollateralLiabilitesMember_ad329f51-3753-4011-8822-b9e3a383ebbc" xlink:href="ceg-20211231.xsd#ceg_EffectsofNettingandAllocationofCollateralLiabilitesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommodityDerivativeLiabilitesMember_c49b9ff4-25c8-44eb-ad10-ef7cfeaa099f" xlink:to="loc_ceg_EffectsofNettingandAllocationofCollateralLiabilitesMember_ad329f51-3753-4011-8822-b9e3a383ebbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_6aa670fb-3edd-4af3-a0af-1d1b0ffbf3c9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_cd0a00ab-1df7-4134-aacc-89fb9e620af5" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_6aa670fb-3edd-4af3-a0af-1d1b0ffbf3c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_16e61ddb-7091-404a-b321-eac5a6c85328" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_6aa670fb-3edd-4af3-a0af-1d1b0ffbf3c9" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_16e61ddb-7091-404a-b321-eac5a6c85328" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsMember_950b8910-718d-432a-95fe-74f80a97f6a9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_16e61ddb-7091-404a-b321-eac5a6c85328" xlink:to="loc_us-gaap_CashAndCashEquivalentsMember_950b8910-718d-432a-95fe-74f80a97f6a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RestrictedcashMember_57ac6875-ae7c-49c3-8e80-d4e6e83026e7" xlink:href="ceg-20211231.xsd#ceg_RestrictedcashMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_16e61ddb-7091-404a-b321-eac5a6c85328" xlink:to="loc_ceg_RestrictedcashMember_57ac6875-ae7c-49c3-8e80-d4e6e83026e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_b3ad7280-ffd0-46ea-ae40-5adee8f60cbf" xlink:href="ceg-20211231.xsd#ceg_NuclearDecommissioningTrustFundInvestmentsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_16e61ddb-7091-404a-b321-eac5a6c85328" xlink:to="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_b3ad7280-ffd0-46ea-ae40-5adee8f60cbf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_90301fb9-3ca1-466e-a9ff-924bc7ec6fd4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_cd0a00ab-1df7-4134-aacc-89fb9e620af5" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_90301fb9-3ca1-466e-a9ff-924bc7ec6fd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_49424501-e83e-4d8e-852a-25083c1518e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_90301fb9-3ca1-466e-a9ff-924bc7ec6fd4" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_49424501-e83e-4d8e-852a-25083c1518e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaturityUpTo30DaysMember_85f6f46d-81bf-4fb0-a6f2-1fbcc2939804" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MaturityUpTo30DaysMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_49424501-e83e-4d8e-852a-25083c1518e4" xlink:to="loc_us-gaap_MaturityUpTo30DaysMember_85f6f46d-81bf-4fb0-a6f2-1fbcc2939804" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_1a2343a8-43dd-44c1-bdad-5a8816c06d2a" xlink:href="ceg-20211231.xsd#ceg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisTable_cd0a00ab-1df7-4134-aacc-89fb9e620af5" xlink:to="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_1a2343a8-43dd-44c1-bdad-5a8816c06d2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_54111b68-e396-475e-9f5e-1360a1f054b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_1a2343a8-43dd-44c1-bdad-5a8816c06d2a" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_54111b68-e396-475e-9f5e-1360a1f054b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_639d5d2b-311c-4927-8a5f-316188a539d7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_54111b68-e396-475e-9f5e-1360a1f054b3" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_639d5d2b-311c-4927-8a5f-316188a539d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_3ccca6e7-7df7-4d22-bfc3-0cb78a1d0102" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_54111b68-e396-475e-9f5e-1360a1f054b3" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_3ccca6e7-7df7-4d22-bfc3-0cb78a1d0102" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_c7b82fa1-4145-40e0-883e-232eac66b6e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssets"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_54111b68-e396-475e-9f5e-1360a1f054b3" xlink:to="loc_us-gaap_DerivativeAssets_c7b82fa1-4145-40e0-883e-232eac66b6e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedInterestFairValueDisclosure_f9ae26e8-e5d8-42f1-8408-6d9ba9c8ea79" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedInterestFairValueDisclosure"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_54111b68-e396-475e-9f5e-1360a1f054b3" xlink:to="loc_us-gaap_RetainedInterestFairValueDisclosure_f9ae26e8-e5d8-42f1-8408-6d9ba9c8ea79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_2ebfbc8a-6f4a-41ec-b75c-fccb9dc821aa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_54111b68-e396-475e-9f5e-1360a1f054b3" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_2ebfbc8a-6f4a-41ec-b75c-fccb9dc821aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_f0076e07-934a-4ae1-a650-7e6238888314" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLiabilities"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_54111b68-e396-475e-9f5e-1360a1f054b3" xlink:to="loc_us-gaap_DerivativeLiabilities_f0076e07-934a-4ae1-a650-7e6238888314" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_6406a893-1c18-4cde-8d7d-9a4130f62761" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_54111b68-e396-475e-9f5e-1360a1f054b3" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_6406a893-1c18-4cde-8d7d-9a4130f62761" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_fd2a3040-7168-42d0-aadb-45f9c568c802" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialLiabilitiesFairValueDisclosure"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_54111b68-e396-475e-9f5e-1360a1f054b3" xlink:to="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_fd2a3040-7168-42d0-aadb-45f9c568c802" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetAssetLiability_5b30772b-2dd8-4dcd-9d88-21a758613ba2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueNetAssetLiability"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract_54111b68-e396-475e-9f5e-1360a1f054b3" xlink:to="loc_us-gaap_FairValueNetAssetLiability_5b30772b-2dd8-4dcd-9d88-21a758613ba2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:href="ceg-20211231.xsd#ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_1a2343a8-43dd-44c1-bdad-5a8816c06d2a" xlink:to="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_62ee2045-98ce-456c-a7e9-06030e8fd873" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_62ee2045-98ce-456c-a7e9-06030e8fd873" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Cash_04358d3b-8ed4-4c53-bf4b-5fc9dd58b4ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Cash"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:to="loc_us-gaap_Cash_04358d3b-8ed4-4c53-bf4b-5fc9dd58b4ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedCorporateDebt_206877b5-695f-4508-ba65-5cf3ebde9d6b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialInstrumentsSoldNotYetPurchasedCorporateDebt"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:to="loc_us-gaap_FinancialInstrumentsSoldNotYetPurchasedCorporateDebt_206877b5-695f-4508-ba65-5cf3ebde9d6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_79f777ca-f8e3-41a0-810e-c3b1c62b0490" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_79f777ca-f8e3-41a0-810e-c3b1c62b0490" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetNotionalAmount_2acb4d78-83a4-4c89-884f-bd98199786b5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssetNotionalAmount"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:to="loc_us-gaap_DerivativeAssetNotionalAmount_2acb4d78-83a4-4c89-884f-bd98199786b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueNetAssetsLiabilitiesExcludedFromNuclearDecommissioningTrustFundInvestments_7f163556-d49d-4968-864b-0a5ba2dea5cf" xlink:href="ceg-20211231.xsd#ceg_FairValueNetAssetsLiabilitiesExcludedFromNuclearDecommissioningTrustFundInvestments"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:to="loc_ceg_FairValueNetAssetsLiabilitiesExcludedFromNuclearDecommissioningTrustFundInvestments_7f163556-d49d-4968-864b-0a5ba2dea5cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_8f6f4745-525d-48f0-ac54-bfc931ddc883" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:to="loc_us-gaap_DerivativeNotionalAmount_8f6f4745-525d-48f0-ac54-bfc931ddc883" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestments_3b9a4f6f-0f8c-4bdf-8811-a249f7b574e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestments"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestments_3b9a4f6f-0f8c-4bdf-8811-a249f7b574e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_8a6d90ac-0c5a-456c-ba3b-0139514e2a53" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:to="loc_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_8a6d90ac-0c5a-456c-ba3b-0139514e2a53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarginDepositAssets_e221d1ad-c95e-4132-9297-8cb5799e06e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MarginDepositAssets"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_a0cba13a-6ed7-4b2a-a9ac-a7eb6d9fa7a8" xlink:to="loc_us-gaap_MarginDepositAssets_e221d1ad-c95e-4132-9297-8cb5799e06e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueReconciliationofLevel3AssetsandLiabilitiesMeasuredonaRecurringBasisDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#FairValueofFinancialAssetsandLiabilitiesFairValueReconciliationofLevel3AssetsandLiabilitiesMeasuredonaRecurringBasisDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueReconciliationofLevel3AssetsandLiabilitiesMeasuredonaRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_004655f3-55ce-4b11-83c0-aeec0cef9482" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueReconciliationOfLevel3AssetsAndLiabilitiesMeasuredOnARecurringBasisTable_8003c4ba-56e1-4baf-b3ee-4f24300d7070" xlink:href="ceg-20211231.xsd#ceg_FairValueReconciliationOfLevel3AssetsAndLiabilitiesMeasuredOnARecurringBasisTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_004655f3-55ce-4b11-83c0-aeec0cef9482" xlink:to="loc_ceg_FairValueReconciliationOfLevel3AssetsAndLiabilitiesMeasuredOnARecurringBasisTable_8003c4ba-56e1-4baf-b3ee-4f24300d7070" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_0ce85264-e698-4d00-bc9c-f00ab696ff3a" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueReconciliationOfLevel3AssetsAndLiabilitiesMeasuredOnARecurringBasisTable_8003c4ba-56e1-4baf-b3ee-4f24300d7070" xlink:to="loc_dei_LegalEntityAxis_0ce85264-e698-4d00-bc9c-f00ab696ff3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_4976e917-7504-45de-81cb-ac7040b87961" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_0ce85264-e698-4d00-bc9c-f00ab696ff3a" xlink:to="loc_dei_EntityDomain_4976e917-7504-45de-81cb-ac7040b87961" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_f7f22ec7-fe71-4178-9527-c0d8acef3cef" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_4976e917-7504-45de-81cb-ac7040b87961" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_f7f22ec7-fe71-4178-9527-c0d8acef3cef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_3b41fce6-7872-4f8d-b588-cd5778f538c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByAssetClassAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueReconciliationOfLevel3AssetsAndLiabilitiesMeasuredOnARecurringBasisTable_8003c4ba-56e1-4baf-b3ee-4f24300d7070" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_3b41fce6-7872-4f8d-b588-cd5778f538c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_3df3299d-0d90-4d42-9dcd-a1bdb9a72ad1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_3b41fce6-7872-4f8d-b588-cd5778f538c3" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_3df3299d-0d90-4d42-9dcd-a1bdb9a72ad1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_413f7c76-927b-4860-952e-27c01852c2ad" xlink:href="ceg-20211231.xsd#ceg_NuclearDecommissioningTrustFundInvestmentsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_3df3299d-0d90-4d42-9dcd-a1bdb9a72ad1" xlink:to="loc_ceg_NuclearDecommissioningTrustFundInvestmentsMember_413f7c76-927b-4860-952e-27c01852c2ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeMember_dd43b289-8b7a-45b6-8158-e5245410f44f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_3df3299d-0d90-4d42-9dcd-a1bdb9a72ad1" xlink:to="loc_us-gaap_DerivativeMember_dd43b289-8b7a-45b6-8158-e5245410f44f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_20ac1681-8438-418a-be82-80f4766986cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueReconciliationOfLevel3AssetsAndLiabilitiesMeasuredOnARecurringBasisTable_8003c4ba-56e1-4baf-b3ee-4f24300d7070" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_20ac1681-8438-418a-be82-80f4766986cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_5df5b416-91b7-42a3-849f-50c2bb177e2e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_20ac1681-8438-418a-be82-80f4766986cf" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_5df5b416-91b7-42a3-849f-50c2bb177e2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_f178da2f-bb20-4f1e-83ed-617c144778f5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_5df5b416-91b7-42a3-849f-50c2bb177e2e" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_f178da2f-bb20-4f1e-83ed-617c144778f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_6d37e0bd-851b-4f3e-8a5e-24424f2947d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueReconciliationOfLevel3AssetsAndLiabilitiesMeasuredOnARecurringBasisTable_8003c4ba-56e1-4baf-b3ee-4f24300d7070" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_6d37e0bd-851b-4f3e-8a5e-24424f2947d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_f869115f-4a93-4067-8389-c2b58afd2893" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_6d37e0bd-851b-4f3e-8a5e-24424f2947d1" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_f869115f-4a93-4067-8389-c2b58afd2893" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_82b232ca-d57e-4e88-98b9-74932d5ca484" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_f869115f-4a93-4067-8389-c2b58afd2893" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_82b232ca-d57e-4e88-98b9-74932d5ca484" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_4c4ba24f-77a6-4e14-ac0a-da99ab729fc3" xlink:href="ceg-20211231.xsd#ceg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_f869115f-4a93-4067-8389-c2b58afd2893" xlink:to="loc_ceg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_4c4ba24f-77a6-4e14-ac0a-da99ab729fc3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_084b3fa1-8f6f-4125-888d-bae0d99f3ba5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_4c4ba24f-77a6-4e14-ac0a-da99ab729fc3" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_084b3fa1-8f6f-4125-888d-bae0d99f3ba5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInNoncurrentPayablesToAffiliates_f457d0ca-41e0-4d15-a410-d10ed11b3633" xlink:href="ceg-20211231.xsd#ceg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInNoncurrentPayablesToAffiliates"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossAbstract_4c4ba24f-77a6-4e14-ac0a-da99ab729fc3" xlink:to="loc_ceg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIncludedInNoncurrentPayablesToAffiliates_f457d0ca-41e0-4d15-a410-d10ed11b3633" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral_265a7f34-dd4d-4a87-9dee-a3cc7131fa86" xlink:href="ceg-20211231.xsd#ceg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_f869115f-4a93-4067-8389-c2b58afd2893" xlink:to="loc_ceg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossChangeInCollateral_265a7f34-dd4d-4a87-9dee-a3cc7131fa86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_0e5b7ead-e605-4fdc-bbb9-730d393675cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_f869115f-4a93-4067-8389-c2b58afd2893" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_0e5b7ead-e605-4fdc-bbb9-730d393675cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_f591bcf6-9969-46d4-8cb7-70681e957987" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_0e5b7ead-e605-4fdc-bbb9-730d393675cf" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_f591bcf6-9969-46d4-8cb7-70681e957987" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_d115d702-af68-4402-bde2-cacb378e3e38" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_0e5b7ead-e605-4fdc-bbb9-730d393675cf" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_d115d702-af68-4402-bde2-cacb378e3e38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_d8a0d893-2cd6-4868-8f28-a6c147c51124" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_0e5b7ead-e605-4fdc-bbb9-730d393675cf" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_d8a0d893-2cd6-4868-8f28-a6c147c51124" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_d3fa2729-99a7-4c99-97b9-f00dbe4881c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_f869115f-4a93-4067-8389-c2b58afd2893" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_d3fa2729-99a7-4c99-97b9-f00dbe4881c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_2deb34fe-9ac3-41dd-b68d-9f56f3770e7a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_f869115f-4a93-4067-8389-c2b58afd2893" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_2deb34fe-9ac3-41dd-b68d-9f56f3770e7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_2e1cfd18-64ea-4466-af5f-5ca08ed7a2fc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_f869115f-4a93-4067-8389-c2b58afd2893" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_2e1cfd18-64ea-4466-af5f-5ca08ed7a2fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_f2b5f0e2-fd01-4521-b81a-bacda9319d98" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_f869115f-4a93-4067-8389-c2b58afd2893" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_f2b5f0e2-fd01-4521-b81a-bacda9319d98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_6df514da-9568-4e65-85ec-7bf567615fc4" xlink:href="ceg-20211231.xsd#ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_f869115f-4a93-4067-8389-c2b58afd2893" xlink:to="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_6df514da-9568-4e65-85ec-7bf567615fc4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings_fb8cca5b-1f1e-4ce3-8116-774d61c96942" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FootnotesToFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_6df514da-9568-4e65-85ec-7bf567615fc4" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings_fb8cca5b-1f1e-4ce3-8116-774d61c96942" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueAssetsandLiabilitiesMeasureonaRecurringBasisGainLossIncludedinEarningsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#FairValueofFinancialAssetsandLiabilitiesFairValueAssetsandLiabilitiesMeasureonaRecurringBasisGainLossIncludedinEarningsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueAssetsandLiabilitiesMeasureonaRecurringBasisGainLossIncludedinEarningsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_f398a48b-4829-4c2b-907e-a1d662e68962" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsTable_a88924cf-f82c-4a2f-b0d8-32603d94276b" xlink:href="ceg-20211231.xsd#ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_f398a48b-4829-4c2b-907e-a1d662e68962" xlink:to="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsTable_a88924cf-f82c-4a2f-b0d8-32603d94276b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_8055e505-5842-4bdb-9228-e35d99369ff1" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsTable_a88924cf-f82c-4a2f-b0d8-32603d94276b" xlink:to="loc_dei_LegalEntityAxis_8055e505-5842-4bdb-9228-e35d99369ff1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_41b53e01-e38f-49a4-bb0d-676ad5923313" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_8055e505-5842-4bdb-9228-e35d99369ff1" xlink:to="loc_dei_EntityDomain_41b53e01-e38f-49a4-bb0d-676ad5923313" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_4239238a-033e-42f3-90ae-db8225f4a9b5" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_41b53e01-e38f-49a4-bb0d-676ad5923313" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_4239238a-033e-42f3-90ae-db8225f4a9b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_34db7a5e-0eb5-4ed0-aced-9082be9acf27" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsTable_a88924cf-f82c-4a2f-b0d8-32603d94276b" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_34db7a5e-0eb5-4ed0-aced-9082be9acf27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_d6112114-4011-47a8-96e9-cea00473ecac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_34db7a5e-0eb5-4ed0-aced-9082be9acf27" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_d6112114-4011-47a8-96e9-cea00473ecac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_e16c6148-b59e-4426-bfa2-92112dbe2a68" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_d6112114-4011-47a8-96e9-cea00473ecac" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_e16c6148-b59e-4426-bfa2-92112dbe2a68" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_c16f24bf-d04d-406e-b7c6-841e2ae50fd9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsTable_a88924cf-f82c-4a2f-b0d8-32603d94276b" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_c16f24bf-d04d-406e-b7c6-841e2ae50fd9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_a923b520-2fab-4f33-aed4-7edc80d4946c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_c16f24bf-d04d-406e-b7c6-841e2ae50fd9" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_a923b520-2fab-4f33-aed4-7edc80d4946c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OperatingRevenueMember_b879ae34-1c5b-465a-a6c1-12e0ebfebce9" xlink:href="ceg-20211231.xsd#ceg_OperatingRevenueMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_a923b520-2fab-4f33-aed4-7edc80d4946c" xlink:to="loc_ceg_OperatingRevenueMember_b879ae34-1c5b-465a-a6c1-12e0ebfebce9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PurchasedPowerAndFuelMember_cc0abf0f-b366-4faf-a0c8-436250f6dd43" xlink:href="ceg-20211231.xsd#ceg_PurchasedPowerAndFuelMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_a923b520-2fab-4f33-aed4-7edc80d4946c" xlink:to="loc_ceg_PurchasedPowerAndFuelMember_cc0abf0f-b366-4faf-a0c8-436250f6dd43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OtherNetMember_9d19bdd5-2cbf-40a4-bc60-c12620a792f6" xlink:href="ceg-20211231.xsd#ceg_OtherNetMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_a923b520-2fab-4f33-aed4-7edc80d4946c" xlink:to="loc_ceg_OtherNetMember_9d19bdd5-2cbf-40a4-bc60-c12620a792f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsLineItems_4020d6ca-69a7-4154-9ac8-d733e7509a66" xlink:href="ceg-20211231.xsd#ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsTable_a88924cf-f82c-4a2f-b0d8-32603d94276b" xlink:to="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsLineItems_4020d6ca-69a7-4154-9ac8-d733e7509a66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_d285e648-0da7-4ecc-9476-633e07f2109e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsLineItems_4020d6ca-69a7-4154-9ac8-d733e7509a66" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_d285e648-0da7-4ecc-9476-633e07f2109e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_13d66941-7b2b-4e76-8fb5-4b7b9282d3a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_FairValueAssetsAndLiabilitiesMeasuredOnARecurringBasisGainLossIncludedInEarningsLineItems_4020d6ca-69a7-4154-9ac8-d733e7509a66" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_13d66941-7b2b-4e76-8fb5-4b7b9282d3a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueInputsAssetsQuantitativeInformationDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#FairValueofFinancialAssetsandLiabilitiesFairValueInputsAssetsQuantitativeInformationDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/FairValueofFinancialAssetsandLiabilitiesFairValueInputsAssetsQuantitativeInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_3bdce56a-b0bc-4c17-9e3d-3f5a6d277b32" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f7dcb5f7-72ca-49c6-a575-99e8592a9ce5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_3bdce56a-b0bc-4c17-9e3d-3f5a6d277b32" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f7dcb5f7-72ca-49c6-a575-99e8592a9ce5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_f8eea190-90dc-4cce-8bf8-863c27d34d3e" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f7dcb5f7-72ca-49c6-a575-99e8592a9ce5" xlink:to="loc_dei_LegalEntityAxis_f8eea190-90dc-4cce-8bf8-863c27d34d3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_a9649989-ebc6-4afe-a948-7213aabe5e4a" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_f8eea190-90dc-4cce-8bf8-863c27d34d3e" xlink:to="loc_dei_EntityDomain_a9649989-ebc6-4afe-a948-7213aabe5e4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_1b9ce136-feca-4115-b91f-146bfac0784a" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_a9649989-ebc6-4afe-a948-7213aabe5e4a" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_1b9ce136-feca-4115-b91f-146bfac0784a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_0b3ed10b-a3d5-4e8e-88e3-968072885e9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f7dcb5f7-72ca-49c6-a575-99e8592a9ce5" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_0b3ed10b-a3d5-4e8e-88e3-968072885e9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_4a79116d-ce80-49a3-99bb-dedaa8c8cc92" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0b3ed10b-a3d5-4e8e-88e3-968072885e9f" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_4a79116d-ce80-49a3-99bb-dedaa8c8cc92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EconomicHedgesMember_ac190cb8-158c-4ff6-8509-92f71a9f9dd8" xlink:href="ceg-20211231.xsd#ceg_EconomicHedgesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_4a79116d-ce80-49a3-99bb-dedaa8c8cc92" xlink:to="loc_ceg_EconomicHedgesMember_ac190cb8-158c-4ff6-8509-92f71a9f9dd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_fa89890b-4b84-4f71-89a1-35e74fd9a155" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f7dcb5f7-72ca-49c6-a575-99e8592a9ce5" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_fa89890b-4b84-4f71-89a1-35e74fd9a155" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_01e4316d-de5f-41c4-aad6-f27b0402486f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_fa89890b-4b84-4f71-89a1-35e74fd9a155" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_01e4316d-de5f-41c4-aad6-f27b0402486f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_a319471e-f2ae-4dc2-bcd3-19c26c91fb8b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_01e4316d-de5f-41c4-aad6-f27b0402486f" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_a319471e-f2ae-4dc2-bcd3-19c26c91fb8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_a51a4c79-8ee7-41f3-bed7-92747baa4f52" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f7dcb5f7-72ca-49c6-a575-99e8592a9ce5" xlink:to="loc_srt_RangeAxis_a51a4c79-8ee7-41f3-bed7-92747baa4f52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_bccbf80b-44eb-4818-904e-496a01f0a9f4" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_a51a4c79-8ee7-41f3-bed7-92747baa4f52" xlink:to="loc_srt_RangeMember_bccbf80b-44eb-4818-904e-496a01f0a9f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_04668333-096d-4778-8878-28305237f19a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_bccbf80b-44eb-4818-904e-496a01f0a9f4" xlink:to="loc_srt_MinimumMember_04668333-096d-4778-8878-28305237f19a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_fac7b333-6294-42d2-807b-e3c898074ea8" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_bccbf80b-44eb-4818-904e-496a01f0a9f4" xlink:to="loc_srt_MaximumMember_fac7b333-6294-42d2-807b-e3c898074ea8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ArithmeticAverageMember_8069ddf1-80f2-44a5-a2a2-e5cf4a219b32" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ArithmeticAverageMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_bccbf80b-44eb-4818-904e-496a01f0a9f4" xlink:to="loc_srt_ArithmeticAverageMember_8069ddf1-80f2-44a5-a2a2-e5cf4a219b32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueAxis_a59fe932-9af4-4505-ad37-74682b732e9c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationTechniqueAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f7dcb5f7-72ca-49c6-a575-99e8592a9ce5" xlink:to="loc_us-gaap_ValuationTechniqueAxis_a59fe932-9af4-4505-ad37-74682b732e9c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDomain_a2962d9c-117f-41a0-839b-0781128ceddb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationTechniqueDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationTechniqueAxis_a59fe932-9af4-4505-ad37-74682b732e9c" xlink:to="loc_us-gaap_ValuationTechniqueDomain_a2962d9c-117f-41a0-839b-0781128ceddb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeApproachValuationTechniqueMember_bc51ee41-3d9f-44c8-9e2d-493f90c856e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeApproachValuationTechniqueMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationTechniqueDomain_a2962d9c-117f-41a0-839b-0781128ceddb" xlink:to="loc_us-gaap_IncomeApproachValuationTechniqueMember_bc51ee41-3d9f-44c8-9e2d-493f90c856e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OptionModelValuationTechniqueMember_f66280a6-245f-441d-80a0-bbf7d12f76ef" xlink:href="ceg-20211231.xsd#ceg_OptionModelValuationTechniqueMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationTechniqueDomain_a2962d9c-117f-41a0-839b-0781128ceddb" xlink:to="loc_ceg_OptionModelValuationTechniqueMember_f66280a6-245f-441d-80a0-bbf7d12f76ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_94b79be3-2a10-4559-97f4-1c9c54fd8dcf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f7dcb5f7-72ca-49c6-a575-99e8592a9ce5" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_94b79be3-2a10-4559-97f4-1c9c54fd8dcf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_4181dece-2043-44b8-9b74-2c5ab7857c8a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsQuantitativeInformationAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_94b79be3-2a10-4559-97f4-1c9c54fd8dcf" xlink:to="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_4181dece-2043-44b8-9b74-2c5ab7857c8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_0b3d2d0b-ad9e-423e-b6af-8c4786dc605d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_4181dece-2043-44b8-9b74-2c5ab7857c8a" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_0b3d2d0b-ad9e-423e-b6af-8c4786dc605d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueInputsForwardPowerPriceAssets_dbb5e285-ec3a-41d6-83dc-8cb0e41afce8" xlink:href="ceg-20211231.xsd#ceg_FairValueInputsForwardPowerPriceAssets"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_4181dece-2043-44b8-9b74-2c5ab7857c8a" xlink:to="loc_ceg_FairValueInputsForwardPowerPriceAssets_dbb5e285-ec3a-41d6-83dc-8cb0e41afce8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FairValueInputsForwardGasPriceAssets_112d9d07-8a4b-411c-870a-6d55aff7be68" xlink:href="ceg-20211231.xsd#ceg_FairValueInputsForwardGasPriceAssets"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_4181dece-2043-44b8-9b74-2c5ab7857c8a" xlink:to="loc_ceg_FairValueInputsForwardGasPriceAssets_112d9d07-8a4b-411c-870a-6d55aff7be68" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetLiabilityNetMeasurementInput_d7d2eb7b-c980-4d56-a99f-a9ecb76af47f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssetLiabilityNetMeasurementInput"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_4181dece-2043-44b8-9b74-2c5ab7857c8a" xlink:to="loc_us-gaap_DerivativeAssetLiabilityNetMeasurementInput_d7d2eb7b-c980-4d56-a99f-a9ecb76af47f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CashCollateralPosted_dda28560-08e1-4eec-ad17-bd80d973b3ea" xlink:href="ceg-20211231.xsd#ceg_CashCollateralPosted"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueInputsQuantitativeInformationAbstract_4181dece-2043-44b8-9b74-2c5ab7857c8a" xlink:to="loc_ceg_CashCollateralPosted_dda28560-08e1-4eec-ad17-bd80d973b3ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/CommitmentsandContingencies" xlink:type="simple" xlink:href="ceg-20211231.xsd#CommitmentsandContingencies"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/CommitmentsandContingencies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_17dce5fd-7a07-46db-b502-ddf89e11a17b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_859dbb52-42dd-402a-ac1d-ae81f46cc151" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_17dce5fd-7a07-46db-b502-ddf89e11a17b" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_859dbb52-42dd-402a-ac1d-ae81f46cc151" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/CommitmentsandContingenciesTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#CommitmentsandContingenciesTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/CommitmentsandContingenciesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_8398ff89-4187-45f2-ba25-892b35a9c1f8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTableTextBlock_eefcc19b-9622-4971-8ee1-9a2a72c83c55" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCommitmentsTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_8398ff89-4187-45f2-ba25-892b35a9c1f8" xlink:to="loc_us-gaap_OtherCommitmentsTableTextBlock_eefcc19b-9622-4971-8ee1-9a2a72c83c55" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleofGovernmentSettlementAgreementsTableTextBlock_52312efb-f9fa-4093-aea4-dfbeebcd6031" xlink:href="ceg-20211231.xsd#ceg_ScheduleofGovernmentSettlementAgreementsTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_8398ff89-4187-45f2-ba25-892b35a9c1f8" xlink:to="loc_ceg_ScheduleofGovernmentSettlementAgreementsTableTextBlock_52312efb-f9fa-4093-aea4-dfbeebcd6031" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SpentNuclearFuelObligationTableTextBlock_e821fb53-b8b3-44f9-b201-908859571b1f" xlink:href="ceg-20211231.xsd#ceg_SpentNuclearFuelObligationTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_8398ff89-4187-45f2-ba25-892b35a9c1f8" xlink:to="loc_ceg_SpentNuclearFuelObligationTableTextBlock_e821fb53-b8b3-44f9-b201-908859571b1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#CommitmentsandContingenciesNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_89dd2288-8aa6-4d77-ada7-569f63c07270" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommitmentsAndContingenciesTable_b5c287c8-446a-4565-bb44-5f9bb8a4064c" xlink:href="ceg-20211231.xsd#ceg_CommitmentsAndContingenciesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_89dd2288-8aa6-4d77-ada7-569f63c07270" xlink:to="loc_ceg_CommitmentsAndContingenciesTable_b5c287c8-446a-4565-bb44-5f9bb8a4064c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_a0c35d23-15df-4367-8a3e-8fa6c2b401d2" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsAndContingenciesTable_b5c287c8-446a-4565-bb44-5f9bb8a4064c" xlink:to="loc_dei_LegalEntityAxis_a0c35d23-15df-4367-8a3e-8fa6c2b401d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_12d77807-2f96-40f4-9f27-90cfd8be0911" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_a0c35d23-15df-4367-8a3e-8fa6c2b401d2" xlink:to="loc_dei_EntityDomain_12d77807-2f96-40f4-9f27-90cfd8be0911" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_2ad34f06-b6ab-493f-a3eb-79f6aaa648ed" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_12d77807-2f96-40f4-9f27-90cfd8be0911" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_2ad34f06-b6ab-493f-a3eb-79f6aaa648ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_bfd3a84a-d421-451b-a749-1459eb2bb0ba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsAndContingenciesTable_b5c287c8-446a-4565-bb44-5f9bb8a4064c" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_bfd3a84a-d421-451b-a749-1459eb2bb0ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_4efd21f2-81c7-4acd-bbaf-6333ed788538" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_bfd3a84a-d421-451b-a749-1459eb2bb0ba" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_4efd21f2-81c7-4acd-bbaf-6333ed788538" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearInsurancePremiumsMember_87c032aa-619f-4d10-90ee-83b996068a3d" xlink:href="ceg-20211231.xsd#ceg_NuclearInsurancePremiumsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_4efd21f2-81c7-4acd-bbaf-6333ed788538" xlink:to="loc_ceg_NuclearInsurancePremiumsMember_87c032aa-619f-4d10-90ee-83b996068a3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_GuaranteesOtherThanLettersOfCreditAndNuclearInsurancePremiumsMember_49bd74f8-7c82-4d39-aa9f-43d545852649" xlink:href="ceg-20211231.xsd#ceg_GuaranteesOtherThanLettersOfCreditAndNuclearInsurancePremiumsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_4efd21f2-81c7-4acd-bbaf-6333ed788538" xlink:to="loc_ceg_GuaranteesOtherThanLettersOfCreditAndNuclearInsurancePremiumsMember_49bd74f8-7c82-4d39-aa9f-43d545852649" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_9be60efc-e78d-4493-a830-0779e22dbafe" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsAndContingenciesTable_b5c287c8-446a-4565-bb44-5f9bb8a4064c" xlink:to="loc_srt_RangeAxis_9be60efc-e78d-4493-a830-0779e22dbafe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_0b81d6a9-d967-454e-b0a0-172392d4ef5b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_9be60efc-e78d-4493-a830-0779e22dbafe" xlink:to="loc_srt_RangeMember_0b81d6a9-d967-454e-b0a0-172392d4ef5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_174fcadd-2437-42b3-98c8-252cddd72d3c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_0b81d6a9-d967-454e-b0a0-172392d4ef5b" xlink:to="loc_srt_MaximumMember_174fcadd-2437-42b3-98c8-252cddd72d3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ClaimTypeAxis_e830e395-eca7-4a33-97c9-d7380aba6b5a" xlink:href="ceg-20211231.xsd#ceg_ClaimTypeAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsAndContingenciesTable_b5c287c8-446a-4565-bb44-5f9bb8a4064c" xlink:to="loc_ceg_ClaimTypeAxis_e830e395-eca7-4a33-97c9-d7380aba6b5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ClaimTypesDomain_4243fe5f-a0d8-4261-8ab6-4fc90c2b4ba4" xlink:href="ceg-20211231.xsd#ceg_ClaimTypesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ClaimTypeAxis_e830e395-eca7-4a33-97c9-d7380aba6b5a" xlink:to="loc_ceg_ClaimTypesDomain_4243fe5f-a0d8-4261-8ab6-4fc90c2b4ba4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OpenClaimsMember_0a76d310-54f6-4d42-96b7-78c406bfa12f" xlink:href="ceg-20211231.xsd#ceg_OpenClaimsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ClaimTypesDomain_4243fe5f-a0d8-4261-8ab6-4fc90c2b4ba4" xlink:to="loc_ceg_OpenClaimsMember_0a76d310-54f6-4d42-96b7-78c406bfa12f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EstimatedFutureClaimsMember_9c8e9376-fcc8-4cd7-8525-bdfbaf1ee3ea" xlink:href="ceg-20211231.xsd#ceg_EstimatedFutureClaimsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ClaimTypesDomain_4243fe5f-a0d8-4261-8ab6-4fc90c2b4ba4" xlink:to="loc_ceg_EstimatedFutureClaimsMember_9c8e9376-fcc8-4cd7-8525-bdfbaf1ee3ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteAxis_8dfc55ac-b4e1-4f32-874c-bb0d4ea07972" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EnvironmentalRemediationSiteAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsAndContingenciesTable_b5c287c8-446a-4565-bb44-5f9bb8a4064c" xlink:to="loc_us-gaap_EnvironmentalRemediationSiteAxis_8dfc55ac-b4e1-4f32-874c-bb0d4ea07972" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteDomain_68ec7cf9-b536-4975-a16d-01208a372395" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EnvironmentalRemediationSiteDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteAxis_8dfc55ac-b4e1-4f32-874c-bb0d4ea07972" xlink:to="loc_us-gaap_EnvironmentalRemediationSiteDomain_68ec7cf9-b536-4975-a16d-01208a372395" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_WestLakeMember_907d889f-aa55-43df-a0f2-8c3b5806aacb" xlink:href="ceg-20211231.xsd#ceg_WestLakeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteDomain_68ec7cf9-b536-4975-a16d-01208a372395" xlink:to="loc_ceg_WestLakeMember_907d889f-aa55-43df-a0f2-8c3b5806aacb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_75a28f22-a1b2-486c-a9cb-5ae8ecf7c2ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsAndContingenciesTable_b5c287c8-446a-4565-bb44-5f9bb8a4064c" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_75a28f22-a1b2-486c-a9cb-5ae8ecf7c2ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_b99322d2-ed7c-4ddc-9c0b-5c3690770c91" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_75a28f22-a1b2-486c-a9cb-5ae8ecf7c2ff" xlink:to="loc_us-gaap_LossContingencyNatureDomain_b99322d2-ed7c-4ddc-9c0b-5c3690770c91" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_LDCDamagesMember_6300f057-6fa1-442b-871d-ba55d0980e50" xlink:href="ceg-20211231.xsd#ceg_LDCDamagesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_b99322d2-ed7c-4ddc-9c0b-5c3690770c91" xlink:to="loc_ceg_LDCDamagesMember_6300f057-6fa1-442b-871d-ba55d0980e50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_LDCDamagesAccruedLiabilityMember_e0f134d6-dd11-448f-8ace-30a4aa66f035" xlink:href="ceg-20211231.xsd#ceg_LDCDamagesAccruedLiabilityMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_b99322d2-ed7c-4ddc-9c0b-5c3690770c91" xlink:to="loc_ceg_LDCDamagesAccruedLiabilityMember_e0f134d6-dd11-448f-8ace-30a4aa66f035" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:href="ceg-20211231.xsd#ceg_CommitmentsandContingenciesLineItems"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsAndContingenciesTable_b5c287c8-446a-4565-bb44-5f9bb8a4064c" xlink:to="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearInsuranceAnnualCoverageLimit_b4ea344a-ac96-4210-aea0-0c4dd3cf707a" xlink:href="ceg-20211231.xsd#ceg_NuclearInsuranceAnnualCoverageLimit"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_NuclearInsuranceAnnualCoverageLimit_b4ea344a-ac96-4210-aea0-0c4dd3cf707a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearInsuranceFinancialProtectionPoolValue_c4d4a3a6-0ecb-417e-8595-79cb2d078c86" xlink:href="ceg-20211231.xsd#ceg_NuclearInsuranceFinancialProtectionPoolValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_NuclearInsuranceFinancialProtectionPoolValue_c4d4a3a6-0ecb-417e-8595-79cb2d078c86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MutualPropertyInsuranceMaximumRecoveryLimitForMultipleLosses_e3311083-a901-4738-8f81-283902afbf7a" xlink:href="ceg-20211231.xsd#ceg_MutualPropertyInsuranceMaximumRecoveryLimitForMultipleLosses"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_MutualPropertyInsuranceMaximumRecoveryLimitForMultipleLosses_e3311083-a901-4738-8f81-283902afbf7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NuclearInsuranceFinancialProtectionPoolMaximumAnnualAssessmentPayment_2342962e-5928-459b-b42e-be2fed911b82" xlink:href="ceg-20211231.xsd#ceg_NuclearInsuranceFinancialProtectionPoolMaximumAnnualAssessmentPayment"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_NuclearInsuranceFinancialProtectionPoolMaximumAnnualAssessmentPayment_2342962e-5928-459b-b42e-be2fed911b82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MutualPropertyInsuranceDistributionToMembers_6b679500-5b50-4c2b-9f1d-6f1ea5c864dc" xlink:href="ceg-20211231.xsd#ceg_MutualPropertyInsuranceDistributionToMembers"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_MutualPropertyInsuranceDistributionToMembers_6b679500-5b50-4c2b-9f1d-6f1ea5c864dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MutualInsuranceTotalRetrospectivePremiumObligation_a74d2b5a-b4be-4a35-b3ae-ebbb0a440ea3" xlink:href="ceg-20211231.xsd#ceg_MutualInsuranceTotalRetrospectivePremiumObligation"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_MutualInsuranceTotalRetrospectivePremiumObligation_a74d2b5a-b4be-4a35-b3ae-ebbb0a440ea3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MutualReplacementPowerCostInsuranceMaximumRetrospectivePremiumObligation_abab8b6f-d9db-49c9-ae99-61735c3ade61" xlink:href="ceg-20211231.xsd#ceg_MutualReplacementPowerCostInsuranceMaximumRetrospectivePremiumObligation"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_MutualReplacementPowerCostInsuranceMaximumRetrospectivePremiumObligation_abab8b6f-d9db-49c9-ae99-61735c3ade61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CostOfSpentNuclearFuelDisposal_bec405f5-79a5-4206-af08-f3d9cae09e24" xlink:href="ceg-20211231.xsd#ceg_CostOfSpentNuclearFuelDisposal"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_CostOfSpentNuclearFuelDisposal_bec405f5-79a5-4206-af08-f3d9cae09e24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SpentNuclearFuelStorageReimbursement_18e9a2cb-4455-4c35-b278-863309020b36" xlink:href="ceg-20211231.xsd#ceg_SpentNuclearFuelStorageReimbursement"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_SpentNuclearFuelStorageReimbursement_18e9a2cb-4455-4c35-b278-863309020b36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SpentNuclearFuelStorageReimbursementNetCoOwners_91717423-0386-4a19-8bd3-b400324b99c1" xlink:href="ceg-20211231.xsd#ceg_SpentNuclearFuelStorageReimbursementNetCoOwners"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_SpentNuclearFuelStorageReimbursementNetCoOwners_91717423-0386-4a19-8bd3-b400324b99c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SpentNuclearFuelTreasuryInterestRateComEd_1d8dafc8-d1ba-4ec8-8ded-8105fc56636f" xlink:href="ceg-20211231.xsd#ceg_SpentNuclearFuelTreasuryInterestRateComEd"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_SpentNuclearFuelTreasuryInterestRateComEd_1d8dafc8-d1ba-4ec8-8ded-8105fc56636f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SpentNuclearFuelTreasuryInterestRateFitzPatrick_35c90f21-77e1-47ef-a48e-36f3e0c373df" xlink:href="ceg-20211231.xsd#ceg_SpentNuclearFuelTreasuryInterestRateFitzPatrick"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_ceg_SpentNuclearFuelTreasuryInterestRateFitzPatrick_35c90f21-77e1-47ef-a48e-36f3e0c373df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesGross_0358c831-40d7-41dc-a81c-911c8379e1c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesGross"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_us-gaap_AccrualForEnvironmentalLossContingenciesGross_0358c831-40d7-41dc-a81c-911c8379e1c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesComponentAmount_9c5c70f1-e9db-4854-a33a-dcf907ec3b28" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesComponentAmount"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_us-gaap_AccrualForEnvironmentalLossContingenciesComponentAmount_9c5c70f1-e9db-4854-a33a-dcf907ec3b28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross_1c2c417b-1d99-455e-a603-7d40f9d4e93e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross_1c2c417b-1d99-455e-a603-7d40f9d4e93e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyPendingClaimsNumber_fa604fc9-2073-4e08-8688-f2caad9cb721" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingencyPendingClaimsNumber"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_us-gaap_LossContingencyPendingClaimsNumber_fa604fc9-2073-4e08-8688-f2caad9cb721" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationReserveCurrent_2d014fc9-bdd1-47d0-a5fb-fe53f6a9752a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LitigationReserveCurrent"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommitmentsandContingenciesLineItems_cbdf328d-9394-48ad-9456-e215d43f7fbc" xlink:to="loc_us-gaap_LitigationReserveCurrent_2d014fc9-bdd1-47d0-a5fb-fe53f6a9752a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/CommitmentsandContingenciesScheduleofCommercialCommitmentsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#CommitmentsandContingenciesScheduleofCommercialCommitmentsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/CommitmentsandContingenciesScheduleofCommercialCommitmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_17afb9ad-4ddb-4076-bcbf-5fe409f6d8d8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_75bd86df-7ece-45a0-8e11-61e95f9147a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_17afb9ad-4ddb-4076-bcbf-5fe409f6d8d8" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_75bd86df-7ece-45a0-8e11-61e95f9147a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsAxis_617e6cb4-26a0-465e-b22f-7852fbc931fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCommitmentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_75bd86df-7ece-45a0-8e11-61e95f9147a8" xlink:to="loc_us-gaap_OtherCommitmentsAxis_617e6cb4-26a0-465e-b22f-7852fbc931fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsDomain_daa05fd2-7ea1-4509-8cbb-fa72fa1096ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCommitmentsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsAxis_617e6cb4-26a0-465e-b22f-7852fbc931fb" xlink:to="loc_us-gaap_OtherCommitmentsDomain_daa05fd2-7ea1-4509-8cbb-fa72fa1096ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_23e53a95-76da-474a-86c2-7c26ca447553" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialStandbyLetterOfCreditMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsDomain_daa05fd2-7ea1-4509-8cbb-fa72fa1096ec" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_23e53a95-76da-474a-86c2-7c26ca447553" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SuretyBondMember_31b4a199-675f-45f1-9a95-1db82935458e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SuretyBondMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsDomain_daa05fd2-7ea1-4509-8cbb-fa72fa1096ec" xlink:to="loc_us-gaap_SuretyBondMember_31b4a199-675f-45f1-9a95-1db82935458e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_79332ffc-d1c5-4d0b-85d3-b59e097caa5b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_75bd86df-7ece-45a0-8e11-61e95f9147a8" xlink:to="loc_dei_LegalEntityAxis_79332ffc-d1c5-4d0b-85d3-b59e097caa5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_0ab67858-eaff-45e6-8995-c93f515611f0" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_79332ffc-d1c5-4d0b-85d3-b59e097caa5b" xlink:to="loc_dei_EntityDomain_0ab67858-eaff-45e6-8995-c93f515611f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_a6b016ca-7542-4a95-8d87-25ae29132734" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0ab67858-eaff-45e6-8995-c93f515611f0" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_a6b016ca-7542-4a95-8d87-25ae29132734" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsLineItems_03a1d80e-bddb-4778-9801-b07342adf88e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_75bd86df-7ece-45a0-8e11-61e95f9147a8" xlink:to="loc_us-gaap_GuaranteeObligationsLineItems_03a1d80e-bddb-4778-9801-b07342adf88e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitment_367faf35-f30c-4b69-b3e8-480515472e57" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCommitment"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_03a1d80e-bddb-4778-9801-b07342adf88e" xlink:to="loc_us-gaap_OtherCommitment_367faf35-f30c-4b69-b3e8-480515472e57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_48a573e8-2132-4718-8997-542e6279fcc0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCommitmentDueInNextTwelveMonths"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_03a1d80e-bddb-4778-9801-b07342adf88e" xlink:to="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_48a573e8-2132-4718-8997-542e6279fcc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInSecondYear_ae463f88-d264-4753-928d-1175a9c67623" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCommitmentDueInSecondYear"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_03a1d80e-bddb-4778-9801-b07342adf88e" xlink:to="loc_us-gaap_OtherCommitmentDueInSecondYear_ae463f88-d264-4753-928d-1175a9c67623" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInThirdYear_7c8276c0-d300-47e8-a337-abcb60775baf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCommitmentDueInThirdYear"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_03a1d80e-bddb-4778-9801-b07342adf88e" xlink:to="loc_us-gaap_OtherCommitmentDueInThirdYear_7c8276c0-d300-47e8-a337-abcb60775baf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInFourthYear_0c55a6ec-54bf-4c21-bdc9-bb26ec9a9af1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCommitmentDueInFourthYear"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_03a1d80e-bddb-4778-9801-b07342adf88e" xlink:to="loc_us-gaap_OtherCommitmentDueInFourthYear_0c55a6ec-54bf-4c21-bdc9-bb26ec9a9af1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueInFifthYear_787e8fa8-83c9-4d23-bc6a-dc964562d6ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCommitmentDueInFifthYear"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_03a1d80e-bddb-4778-9801-b07342adf88e" xlink:to="loc_us-gaap_OtherCommitmentDueInFifthYear_787e8fa8-83c9-4d23-bc6a-dc964562d6ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentDueAfterFifthYear_a38c0952-9150-4f1f-aed9-d3e25a8f0d65" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherCommitmentDueAfterFifthYear"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_03a1d80e-bddb-4778-9801-b07342adf88e" xlink:to="loc_us-gaap_OtherCommitmentDueAfterFifthYear_a38c0952-9150-4f1f-aed9-d3e25a8f0d65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/CommitmentsandContingenciesSettlementAgreementsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#CommitmentsandContingenciesSettlementAgreementsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/CommitmentsandContingenciesSettlementAgreementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_cbfa305c-a118-4218-9600-10ceb0b15aba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_6d752619-dd66-47f3-b43a-89708147ca7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_cbfa305c-a118-4218-9600-10ceb0b15aba" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_6d752619-dd66-47f3-b43a-89708147ca7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsLineItems_0de8e56c-c709-4d65-93f2-93d3e80d85b8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsLineItems"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_6d752619-dd66-47f3-b43a-89708147ca7d" xlink:to="loc_us-gaap_GuaranteeObligationsLineItems_0de8e56c-c709-4d65-93f2-93d3e80d85b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NontradeReceivablesCurrent_121c4bcd-764f-49b6-9d9f-84bcdf72be22" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NontradeReceivablesCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_0de8e56c-c709-4d65-93f2-93d3e80d85b8" xlink:to="loc_us-gaap_NontradeReceivablesCurrent_121c4bcd-764f-49b6-9d9f-84bcdf72be22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NontradeReceivablesNoncurrent_3c9322e5-da9b-4dfb-8cd3-cb6601ee2223" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NontradeReceivablesNoncurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_0de8e56c-c709-4d65-93f2-93d3e80d85b8" xlink:to="loc_us-gaap_NontradeReceivablesNoncurrent_3c9322e5-da9b-4dfb-8cd3-cb6601ee2223" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableOtherCurrent_ad3bcdf5-8a13-48be-b62d-05d3afd2d6bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableOtherCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_0de8e56c-c709-4d65-93f2-93d3e80d85b8" xlink:to="loc_us-gaap_AccountsPayableOtherCurrent_ad3bcdf5-8a13-48be-b62d-05d3afd2d6bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/CommitmentsandContingenciesScheduleofSpentNuclearFuelObligationDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#CommitmentsandContingenciesScheduleofSpentNuclearFuelObligationDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/CommitmentsandContingenciesScheduleofSpentNuclearFuelObligationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_1172d9f9-d4ca-4ab7-8beb-55e6c53250e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SpentNuclearFuelObligationTable_88c736e7-c6fd-4e75-8f11-31aca7680e76" xlink:href="ceg-20211231.xsd#ceg_SpentNuclearFuelObligationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_1172d9f9-d4ca-4ab7-8beb-55e6c53250e9" xlink:to="loc_ceg_SpentNuclearFuelObligationTable_88c736e7-c6fd-4e75-8f11-31aca7680e76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityAxis_bec001dc-5663-4506-a8a9-4e01ec58a5ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SpentNuclearFuelObligationTable_88c736e7-c6fd-4e75-8f11-31aca7680e76" xlink:to="loc_us-gaap_PublicUtilityAxis_bec001dc-5663-4506-a8a9-4e01ec58a5ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilityPlantDomain_c17b07b9-6dc4-481f-958d-d0f4c3dcea60" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityAxis_bec001dc-5663-4506-a8a9-4e01ec58a5ef" xlink:to="loc_us-gaap_UtilityPlantDomain_c17b07b9-6dc4-481f-958d-d0f4c3dcea60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NuclearPlantMember_0096c5e7-8887-4501-81d7-0bf1f487f094" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NuclearPlantMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_c17b07b9-6dc4-481f-958d-d0f4c3dcea60" xlink:to="loc_us-gaap_NuclearPlantMember_0096c5e7-8887-4501-81d7-0bf1f487f094" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_FitzpatrickMember_89668631-7d71-4e1f-bb75-7ae1cea69a76" xlink:href="ceg-20211231.xsd#ceg_FitzpatrickMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_c17b07b9-6dc4-481f-958d-d0f4c3dcea60" xlink:to="loc_ceg_FitzpatrickMember_89668631-7d71-4e1f-bb75-7ae1cea69a76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_3ebd48b5-2744-43e4-b5ff-7b70a63c3665" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SpentNuclearFuelObligationTable_88c736e7-c6fd-4e75-8f11-31aca7680e76" xlink:to="loc_dei_LegalEntityAxis_3ebd48b5-2744-43e4-b5ff-7b70a63c3665" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_6282342d-3809-4120-af24-8518b9de92a2" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_3ebd48b5-2744-43e4-b5ff-7b70a63c3665" xlink:to="loc_dei_EntityDomain_6282342d-3809-4120-af24-8518b9de92a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_a905eb4c-6cbe-40d0-9889-16949f522a01" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6282342d-3809-4120-af24-8518b9de92a2" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_a905eb4c-6cbe-40d0-9889-16949f522a01" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SpentNuclearFuelObligationLineItems_c667dba8-c8be-4749-a853-4166a830340c" xlink:href="ceg-20211231.xsd#ceg_SpentNuclearFuelObligationLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SpentNuclearFuelObligationTable_88c736e7-c6fd-4e75-8f11-31aca7680e76" xlink:to="loc_ceg_SpentNuclearFuelObligationLineItems_c667dba8-c8be-4749-a853-4166a830340c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SpentNuclearFuelObligationNoncurrent_f3defaf0-fbd2-46f3-80fb-c2d10cfc9d7a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SpentNuclearFuelObligationNoncurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SpentNuclearFuelObligationLineItems_c667dba8-c8be-4749-a853-4166a830340c" xlink:to="loc_us-gaap_SpentNuclearFuelObligationNoncurrent_f3defaf0-fbd2-46f3-80fb-c2d10cfc9d7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SpentNuclearFuelOneTimeFee_935aa0e8-3390-4bfb-8ce7-702df914f047" xlink:href="ceg-20211231.xsd#ceg_SpentNuclearFuelOneTimeFee"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SpentNuclearFuelObligationLineItems_c667dba8-c8be-4749-a853-4166a830340c" xlink:to="loc_ceg_SpentNuclearFuelOneTimeFee_935aa0e8-3390-4bfb-8ce7-702df914f047" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SeveranceAllRegistrants" xlink:type="simple" xlink:href="ceg-20211231.xsd#SeveranceAllRegistrants"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SeveranceAllRegistrants" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_1cc0582d-70d3-446c-a6b0-412705445eaa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_681423bf-0576-4f1e-b677-768374434381" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_1cc0582d-70d3-446c-a6b0-412705445eaa" xlink:to="loc_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_681423bf-0576-4f1e-b677-768374434381" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SeveranceTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#SeveranceTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SeveranceTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_cf020a00-07c7-48f8-8326-031ce15db608" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_399ed305-8f9b-4749-a68b-1cc1dc331183" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_cf020a00-07c7-48f8-8326-031ce15db608" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_399ed305-8f9b-4749-a68b-1cc1dc331183" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_bca18e35-b7a5-4d62-bc71-13a0d9b5679b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_cf020a00-07c7-48f8-8326-031ce15db608" xlink:to="loc_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_bca18e35-b7a5-4d62-bc71-13a0d9b5679b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SeveranceSeveranceOngoingSeverancePlansDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SeveranceSeveranceOngoingSeverancePlansDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SeveranceSeveranceOngoingSeverancePlansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_146fa084-5b25-4267-bf0d-ad5934c676ae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_f5796dc7-7cf2-4c76-97a8-ea517ec68d0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_146fa084-5b25-4267-bf0d-ad5934c676ae" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_f5796dc7-7cf2-4c76-97a8-ea517ec68d0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_3efd80e2-bf54-4f00-bb6d-0d787601ee41" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_f5796dc7-7cf2-4c76-97a8-ea517ec68d0a" xlink:to="loc_dei_LegalEntityAxis_3efd80e2-bf54-4f00-bb6d-0d787601ee41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_c6213d58-904e-4052-a49b-abdd8956159c" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_3efd80e2-bf54-4f00-bb6d-0d787601ee41" xlink:to="loc_dei_EntityDomain_c6213d58-904e-4052-a49b-abdd8956159c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_5245fecd-591d-4eb7-b348-3dc30eedd9a9" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c6213d58-904e-4052-a49b-abdd8956159c" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_5245fecd-591d-4eb7-b348-3dc30eedd9a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonwealthEdisonCoMember_e981de52-f49a-4d5c-9bfc-f6213f16ba64" xlink:href="ceg-20211231.xsd#ceg_CommonwealthEdisonCoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c6213d58-904e-4052-a49b-abdd8956159c" xlink:to="loc_ceg_CommonwealthEdisonCoMember_e981de52-f49a-4d5c-9bfc-f6213f16ba64" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PecoEnergyCoMember_057133fe-c49d-4cb2-96ce-eb67d2aa687d" xlink:href="ceg-20211231.xsd#ceg_PecoEnergyCoMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c6213d58-904e-4052-a49b-abdd8956159c" xlink:to="loc_ceg_PecoEnergyCoMember_057133fe-c49d-4cb2-96ce-eb67d2aa687d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BaltimoreGasAndElectricCompanyMember_d9f384ed-94ae-4b58-a817-9e3d8ed265c1" xlink:href="ceg-20211231.xsd#ceg_BaltimoreGasAndElectricCompanyMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c6213d58-904e-4052-a49b-abdd8956159c" xlink:to="loc_ceg_BaltimoreGasAndElectricCompanyMember_d9f384ed-94ae-4b58-a817-9e3d8ed265c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PepcoHoldingsLLCMember_71263f60-e7fa-4bb7-b578-8d4f9a556b58" xlink:href="ceg-20211231.xsd#ceg_PepcoHoldingsLLCMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c6213d58-904e-4052-a49b-abdd8956159c" xlink:to="loc_ceg_PepcoHoldingsLLCMember_71263f60-e7fa-4bb7-b578-8d4f9a556b58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PotomacElectricPowerCompanyMember_f3cf7ad6-daed-4dce-9266-966753f63aea" xlink:href="ceg-20211231.xsd#ceg_PotomacElectricPowerCompanyMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c6213d58-904e-4052-a49b-abdd8956159c" xlink:to="loc_ceg_PotomacElectricPowerCompanyMember_f3cf7ad6-daed-4dce-9266-966753f63aea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DelmarvaPowerandLightCompanyMember_7dfd00ea-aa42-40a4-bfc2-d21ce360117b" xlink:href="ceg-20211231.xsd#ceg_DelmarvaPowerandLightCompanyMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c6213d58-904e-4052-a49b-abdd8956159c" xlink:to="loc_ceg_DelmarvaPowerandLightCompanyMember_7dfd00ea-aa42-40a4-bfc2-d21ce360117b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AtlanticCityElectricCompanyMember_d7d8b2c3-c89f-4cfe-b1f7-9663df1a317b" xlink:href="ceg-20211231.xsd#ceg_AtlanticCityElectricCompanyMember"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c6213d58-904e-4052-a49b-abdd8956159c" xlink:to="loc_ceg_AtlanticCityElectricCompanyMember_d7d8b2c3-c89f-4cfe-b1f7-9663df1a317b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_54a60171-cf85-4121-ad4c-c6545020ebc3" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_f5796dc7-7cf2-4c76-97a8-ea517ec68d0a" xlink:to="loc_srt_ConsolidationItemsAxis_54a60171-cf85-4121-ad4c-c6545020ebc3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_78fd0694-c5fc-4509-bbf5-d391630e0ddb" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_54a60171-cf85-4121-ad4c-c6545020ebc3" xlink:to="loc_srt_ConsolidationItemsDomain_78fd0694-c5fc-4509-bbf5-d391630e0ddb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_4b2fde0e-4a34-451e-9995-a318b096d1b9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_78fd0694-c5fc-4509-bbf5-d391630e0ddb" xlink:to="loc_us-gaap_CorporateNonSegmentMember_4b2fde0e-4a34-451e-9995-a318b096d1b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_23bc1c0e-fefe-4a56-94da-fbd05e4c7e41" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_f5796dc7-7cf2-4c76-97a8-ea517ec68d0a" xlink:to="loc_us-gaap_RestructuringCostAndReserveLineItems_23bc1c0e-fefe-4a56-94da-fbd05e4c7e41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeveranceCosts1_0f707876-d1de-4363-b94f-18ee64d70921" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeveranceCosts1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_23bc1c0e-fefe-4a56-94da-fbd05e4c7e41" xlink:to="loc_us-gaap_SeveranceCosts1_0f707876-d1de-4363-b94f-18ee64d70921" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SeveranceSeveranceCostManagementProgramRelatedDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SeveranceSeveranceCostManagementProgramRelatedDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SeveranceSeveranceCostManagementProgramRelatedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_ed0b22ad-ba51-46be-8dc0-f314073c7596" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d46a3e67-cf32-4d4b-a7e8-8509fa0b8101" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_ed0b22ad-ba51-46be-8dc0-f314073c7596" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d46a3e67-cf32-4d4b-a7e8-8509fa0b8101" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_835a7d99-3b03-41c4-a36b-f57bdf29d5c1" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d46a3e67-cf32-4d4b-a7e8-8509fa0b8101" xlink:to="loc_dei_LegalEntityAxis_835a7d99-3b03-41c4-a36b-f57bdf29d5c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7d8ca463-e5d9-47aa-99f5-8cfb8c4e34cb" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_835a7d99-3b03-41c4-a36b-f57bdf29d5c1" xlink:to="loc_dei_EntityDomain_7d8ca463-e5d9-47aa-99f5-8cfb8c4e34cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_5145817d-7e51-4d2d-aab3-bdc5c9cbb794" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7d8ca463-e5d9-47aa-99f5-8cfb8c4e34cb" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_5145817d-7e51-4d2d-aab3-bdc5c9cbb794" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonwealthEdisonCoMember_1d536734-c793-4f2a-a5e6-9f8c93c79bb3" xlink:href="ceg-20211231.xsd#ceg_CommonwealthEdisonCoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7d8ca463-e5d9-47aa-99f5-8cfb8c4e34cb" xlink:to="loc_ceg_CommonwealthEdisonCoMember_1d536734-c793-4f2a-a5e6-9f8c93c79bb3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PecoEnergyCoMember_f7f6bda0-1900-44a0-b7fe-cdb916246e7f" xlink:href="ceg-20211231.xsd#ceg_PecoEnergyCoMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7d8ca463-e5d9-47aa-99f5-8cfb8c4e34cb" xlink:to="loc_ceg_PecoEnergyCoMember_f7f6bda0-1900-44a0-b7fe-cdb916246e7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BaltimoreGasAndElectricCompanyMember_526eb83d-ff82-4143-891c-f7bf28f93795" xlink:href="ceg-20211231.xsd#ceg_BaltimoreGasAndElectricCompanyMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_7d8ca463-e5d9-47aa-99f5-8cfb8c4e34cb" xlink:to="loc_ceg_BaltimoreGasAndElectricCompanyMember_526eb83d-ff82-4143-891c-f7bf28f93795" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_603d5001-01d4-4ede-851d-0df3f61e146b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d46a3e67-cf32-4d4b-a7e8-8509fa0b8101" xlink:to="loc_srt_ConsolidationItemsAxis_603d5001-01d4-4ede-851d-0df3f61e146b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_d7378f38-6142-4c27-9614-8c0d42614302" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_603d5001-01d4-4ede-851d-0df3f61e146b" xlink:to="loc_srt_ConsolidationItemsDomain_d7378f38-6142-4c27-9614-8c0d42614302" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_11d9ae2c-6292-4726-98e2-9a18f571e8fa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_d7378f38-6142-4c27-9614-8c0d42614302" xlink:to="loc_us-gaap_CorporateNonSegmentMember_11d9ae2c-6292-4726-98e2-9a18f571e8fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_284082d8-c513-44e5-b678-35fc1d633315" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d46a3e67-cf32-4d4b-a7e8-8509fa0b8101" xlink:to="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_284082d8-c513-44e5-b678-35fc1d633315" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProjectMember_e4d5ae26-0b03-4574-8858-e871b0a6b5fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProjectMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_284082d8-c513-44e5-b678-35fc1d633315" xlink:to="loc_us-gaap_ProjectMember_e4d5ae26-0b03-4574-8858-e871b0a6b5fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_5fe90991-04b8-47d3-85f4-d404dc7b13ac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d46a3e67-cf32-4d4b-a7e8-8509fa0b8101" xlink:to="loc_us-gaap_RestructuringCostAndReserveLineItems_5fe90991-04b8-47d3-85f4-d404dc7b13ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeveranceCosts1_bdd2f826-3a8e-48d4-a0ce-245a948a8718" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeveranceCosts1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_5fe90991-04b8-47d3-85f4-d404dc7b13ac" xlink:to="loc_us-gaap_SeveranceCosts1_bdd2f826-3a8e-48d4-a0ce-245a948a8718" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SeveranceSeverancePHIMergerDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SeveranceSeverancePHIMergerDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SeveranceSeverancePHIMergerDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_08d79b45-ec7e-498c-9830-ea2928dde6ab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_504fbcc2-20ad-4871-bede-55bbdf9dd7d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_08d79b45-ec7e-498c-9830-ea2928dde6ab" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_504fbcc2-20ad-4871-bede-55bbdf9dd7d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_20ee21cd-c994-4c47-8d59-90c2341f7377" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_504fbcc2-20ad-4871-bede-55bbdf9dd7d1" xlink:to="loc_dei_LegalEntityAxis_20ee21cd-c994-4c47-8d59-90c2341f7377" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_d0464c25-927b-4fe6-9ec7-fafa6a5bd251" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_20ee21cd-c994-4c47-8d59-90c2341f7377" xlink:to="loc_dei_EntityDomain_d0464c25-927b-4fe6-9ec7-fafa6a5bd251" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_6dcef224-5de8-4970-ad7f-aefea9a20ffd" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_d0464c25-927b-4fe6-9ec7-fafa6a5bd251" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_6dcef224-5de8-4970-ad7f-aefea9a20ffd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonwealthEdisonCoMember_0a2b89ec-521c-45b8-8e1f-79d89963b969" xlink:href="ceg-20211231.xsd#ceg_CommonwealthEdisonCoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_d0464c25-927b-4fe6-9ec7-fafa6a5bd251" xlink:to="loc_ceg_CommonwealthEdisonCoMember_0a2b89ec-521c-45b8-8e1f-79d89963b969" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PecoEnergyCoMember_285dde9a-b607-4998-8aac-81eaadd92a92" xlink:href="ceg-20211231.xsd#ceg_PecoEnergyCoMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_d0464c25-927b-4fe6-9ec7-fafa6a5bd251" xlink:to="loc_ceg_PecoEnergyCoMember_285dde9a-b607-4998-8aac-81eaadd92a92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BaltimoreGasAndElectricCompanyMember_a1baed2e-fcba-4458-a945-f6399b0d2c35" xlink:href="ceg-20211231.xsd#ceg_BaltimoreGasAndElectricCompanyMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_d0464c25-927b-4fe6-9ec7-fafa6a5bd251" xlink:to="loc_ceg_BaltimoreGasAndElectricCompanyMember_a1baed2e-fcba-4458-a945-f6399b0d2c35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PepcoHoldingsLLCMember_23954702-7f22-4d3f-a290-a53c44e811cf" xlink:href="ceg-20211231.xsd#ceg_PepcoHoldingsLLCMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_d0464c25-927b-4fe6-9ec7-fafa6a5bd251" xlink:to="loc_ceg_PepcoHoldingsLLCMember_23954702-7f22-4d3f-a290-a53c44e811cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PotomacElectricPowerCompanyMember_9edf6e22-ad54-4e0f-92fd-1e18d5c0ebc6" xlink:href="ceg-20211231.xsd#ceg_PotomacElectricPowerCompanyMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_d0464c25-927b-4fe6-9ec7-fafa6a5bd251" xlink:to="loc_ceg_PotomacElectricPowerCompanyMember_9edf6e22-ad54-4e0f-92fd-1e18d5c0ebc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DelmarvaPowerandLightCompanyMember_d0f70d9d-497f-4a69-9577-9a06dff4daae" xlink:href="ceg-20211231.xsd#ceg_DelmarvaPowerandLightCompanyMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_d0464c25-927b-4fe6-9ec7-fafa6a5bd251" xlink:to="loc_ceg_DelmarvaPowerandLightCompanyMember_d0f70d9d-497f-4a69-9577-9a06dff4daae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AtlanticCityElectricCompanyMember_7a498c6d-f1d7-4bd0-9a11-62f6d4808792" xlink:href="ceg-20211231.xsd#ceg_AtlanticCityElectricCompanyMember"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_d0464c25-927b-4fe6-9ec7-fafa6a5bd251" xlink:to="loc_ceg_AtlanticCityElectricCompanyMember_7a498c6d-f1d7-4bd0-9a11-62f6d4808792" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_0ea1dd76-b13f-4761-b403-1fa283212b06" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_504fbcc2-20ad-4871-bede-55bbdf9dd7d1" xlink:to="loc_srt_ConsolidationItemsAxis_0ea1dd76-b13f-4761-b403-1fa283212b06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_0aab3201-2cfc-467c-9739-de820034ef7d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_0ea1dd76-b13f-4761-b403-1fa283212b06" xlink:to="loc_srt_ConsolidationItemsDomain_0aab3201-2cfc-467c-9739-de820034ef7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_469cd447-774b-4d0f-94f0-e52bc664d21f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_0aab3201-2cfc-467c-9739-de820034ef7d" xlink:to="loc_us-gaap_CorporateNonSegmentMember_469cd447-774b-4d0f-94f0-e52bc664d21f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_f2d4f2a6-d62b-4c4f-b1d2-524c915e16b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_504fbcc2-20ad-4871-bede-55bbdf9dd7d1" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_f2d4f2a6-d62b-4c4f-b1d2-524c915e16b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_37e520b9-2dcc-4581-8c9a-518946ad7733" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_f2d4f2a6-d62b-4c4f-b1d2-524c915e16b3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_37e520b9-2dcc-4581-8c9a-518946ad7733" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PHIMergerMember_3e9b442e-91d8-454e-9fd3-b8667bc8f164" xlink:href="ceg-20211231.xsd#ceg_PHIMergerMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_37e520b9-2dcc-4581-8c9a-518946ad7733" xlink:to="loc_ceg_PHIMergerMember_3e9b442e-91d8-454e-9fd3-b8667bc8f164" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_de4107a6-ddfb-493b-b55d-5b58e42bfc4a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_504fbcc2-20ad-4871-bede-55bbdf9dd7d1" xlink:to="loc_us-gaap_RestructuringCostAndReserveLineItems_de4107a6-ddfb-493b-b55d-5b58e42bfc4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeveranceCosts1_6d1a01d8-a071-4165-ac1e-0c84f901cc4c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeveranceCosts1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_de4107a6-ddfb-493b-b55d-5b58e42bfc4a" xlink:to="loc_us-gaap_SeveranceCosts1_6d1a01d8-a071-4165-ac1e-0c84f901cc4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SeveranceSeveranceLiabilitiesRollforwardDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SeveranceSeveranceLiabilitiesRollforwardDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SeveranceSeveranceLiabilitiesRollforwardDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_168600e1-a180-4f18-a39b-af39e975aa1f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_e2a92f8e-4b87-4a5e-ae67-c3f0d2e41671" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_168600e1-a180-4f18-a39b-af39e975aa1f" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_e2a92f8e-4b87-4a5e-ae67-c3f0d2e41671" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_2d9554ac-3747-4294-96ae-9b86f69b3d70" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_e2a92f8e-4b87-4a5e-ae67-c3f0d2e41671" xlink:to="loc_dei_LegalEntityAxis_2d9554ac-3747-4294-96ae-9b86f69b3d70" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_45b75ba7-fbe9-4a8b-80c7-6f17490c0389" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_2d9554ac-3747-4294-96ae-9b86f69b3d70" xlink:to="loc_dei_EntityDomain_45b75ba7-fbe9-4a8b-80c7-6f17490c0389" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_9511d922-c90c-47cb-a13e-47fa94fd5f8c" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_45b75ba7-fbe9-4a8b-80c7-6f17490c0389" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_9511d922-c90c-47cb-a13e-47fa94fd5f8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonwealthEdisonCoMember_775f6fe3-d90c-40c9-b597-24f45f5816b4" xlink:href="ceg-20211231.xsd#ceg_CommonwealthEdisonCoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_45b75ba7-fbe9-4a8b-80c7-6f17490c0389" xlink:to="loc_ceg_CommonwealthEdisonCoMember_775f6fe3-d90c-40c9-b597-24f45f5816b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PecoEnergyCoMember_b75544a9-b899-4600-9edc-f20c9748e076" xlink:href="ceg-20211231.xsd#ceg_PecoEnergyCoMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_45b75ba7-fbe9-4a8b-80c7-6f17490c0389" xlink:to="loc_ceg_PecoEnergyCoMember_b75544a9-b899-4600-9edc-f20c9748e076" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BaltimoreGasAndElectricCompanyMember_033ddbec-fb69-4f44-935e-42b4aeb67946" xlink:href="ceg-20211231.xsd#ceg_BaltimoreGasAndElectricCompanyMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_45b75ba7-fbe9-4a8b-80c7-6f17490c0389" xlink:to="loc_ceg_BaltimoreGasAndElectricCompanyMember_033ddbec-fb69-4f44-935e-42b4aeb67946" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PepcoHoldingsLLCMember_0052ed38-90bc-41d9-924b-aa46e23d66b6" xlink:href="ceg-20211231.xsd#ceg_PepcoHoldingsLLCMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_45b75ba7-fbe9-4a8b-80c7-6f17490c0389" xlink:to="loc_ceg_PepcoHoldingsLLCMember_0052ed38-90bc-41d9-924b-aa46e23d66b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PotomacElectricPowerCompanyMember_91f8c736-2afd-4ca8-a87b-2297d12952fc" xlink:href="ceg-20211231.xsd#ceg_PotomacElectricPowerCompanyMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_45b75ba7-fbe9-4a8b-80c7-6f17490c0389" xlink:to="loc_ceg_PotomacElectricPowerCompanyMember_91f8c736-2afd-4ca8-a87b-2297d12952fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DelmarvaPowerandLightCompanyMember_00f3b8ec-1b93-4630-b6fe-029e42516777" xlink:href="ceg-20211231.xsd#ceg_DelmarvaPowerandLightCompanyMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_45b75ba7-fbe9-4a8b-80c7-6f17490c0389" xlink:to="loc_ceg_DelmarvaPowerandLightCompanyMember_00f3b8ec-1b93-4630-b6fe-029e42516777" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AtlanticCityElectricCompanyMember_a8d9a6d2-87a2-4605-b280-752bc95d3282" xlink:href="ceg-20211231.xsd#ceg_AtlanticCityElectricCompanyMember"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_45b75ba7-fbe9-4a8b-80c7-6f17490c0389" xlink:to="loc_ceg_AtlanticCityElectricCompanyMember_a8d9a6d2-87a2-4605-b280-752bc95d3282" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_dfaa5ffd-7f17-42d0-b18d-7ef0d7f6651e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_e2a92f8e-4b87-4a5e-ae67-c3f0d2e41671" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_dfaa5ffd-7f17-42d0-b18d-7ef0d7f6651e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_7ff0ac16-9fce-479b-8044-8eff886dd7a1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_dfaa5ffd-7f17-42d0-b18d-7ef0d7f6651e" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_7ff0ac16-9fce-479b-8044-8eff886dd7a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_7981ec1e-00e2-4e16-9aba-dcb37cbd4e05" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_7ff0ac16-9fce-479b-8044-8eff886dd7a1" xlink:to="loc_us-gaap_EmployeeSeveranceMember_7981ec1e-00e2-4e16-9aba-dcb37cbd4e05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_3a4a35f2-e817-466a-87b8-5581e265503d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_e2a92f8e-4b87-4a5e-ae67-c3f0d2e41671" xlink:to="loc_us-gaap_RestructuringCostAndReserveLineItems_3a4a35f2-e817-466a-87b8-5581e265503d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_78b92ac0-0400-42c6-9eaa-cd7beeeef693" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringReserve"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_3a4a35f2-e817-466a-87b8-5581e265503d" xlink:to="loc_us-gaap_RestructuringReserve_78b92ac0-0400-42c6-9eaa-cd7beeeef693" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeveranceCosts1_ee41ce67-96e0-4de5-8798-fc3ea09ae119" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeveranceCosts1"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_3a4a35f2-e817-466a-87b8-5581e265503d" xlink:to="loc_us-gaap_SeveranceCosts1_ee41ce67-96e0-4de5-8798-fc3ea09ae119" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_9de1deb3-a623-45c2-9fce-c946b2d27ebb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsForRestructuring"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_3a4a35f2-e817-466a-87b8-5581e265503d" xlink:to="loc_us-gaap_PaymentsForRestructuring_9de1deb3-a623-45c2-9fce-c946b2d27ebb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SeveranceSeveranceNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SeveranceSeveranceNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SeveranceSeveranceNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_fe22f987-affc-41c5-83a2-8ac922484e02" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_72452104-9aa1-4054-9678-9543d5e69a76" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_fe22f987-affc-41c5-83a2-8ac922484e02" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_72452104-9aa1-4054-9678-9543d5e69a76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_69cf8eca-42a1-400c-aebe-09690159c260" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_72452104-9aa1-4054-9678-9543d5e69a76" xlink:to="loc_dei_LegalEntityAxis_69cf8eca-42a1-400c-aebe-09690159c260" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_15c1e7cc-ebff-4e43-a5cf-5b1f1560a484" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_69cf8eca-42a1-400c-aebe-09690159c260" xlink:to="loc_dei_EntityDomain_15c1e7cc-ebff-4e43-a5cf-5b1f1560a484" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_9680f6d5-9d3a-4ce9-adc0-4abfb3bfa73c" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_15c1e7cc-ebff-4e43-a5cf-5b1f1560a484" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_9680f6d5-9d3a-4ce9-adc0-4abfb3bfa73c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_aaa66954-d0f4-4d62-aba7-d5569cd0caa9" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_72452104-9aa1-4054-9678-9543d5e69a76" xlink:to="loc_srt_ConsolidationItemsAxis_aaa66954-d0f4-4d62-aba7-d5569cd0caa9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_1b15fbe6-88d2-477b-a4c7-0169fd58ff0c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_aaa66954-d0f4-4d62-aba7-d5569cd0caa9" xlink:to="loc_srt_ConsolidationItemsDomain_1b15fbe6-88d2-477b-a4c7-0169fd58ff0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_f1b77956-0050-4570-a83a-52506b886e85" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_1b15fbe6-88d2-477b-a4c7-0169fd58ff0c" xlink:to="loc_us-gaap_CorporateNonSegmentMember_f1b77956-0050-4570-a83a-52506b886e85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_cd5bd8b7-433c-4f21-9907-687a4c32a960" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_72452104-9aa1-4054-9678-9543d5e69a76" xlink:to="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_cd5bd8b7-433c-4f21-9907-687a4c32a960" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProjectMember_edbb1afb-f3cd-4fad-8d93-f1c15bc1dab6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProjectMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_cd5bd8b7-433c-4f21-9907-687a4c32a960" xlink:to="loc_us-gaap_ProjectMember_edbb1afb-f3cd-4fad-8d93-f1c15bc1dab6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FacilityClosingMember_9a55d755-7333-4a13-929b-72d4ca4dbda1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FacilityClosingMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProjectMember_edbb1afb-f3cd-4fad-8d93-f1c15bc1dab6" xlink:to="loc_us-gaap_FacilityClosingMember_9a55d755-7333-4a13-929b-72d4ca4dbda1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityAxis_b301abde-216f-4c0d-9de4-0e0756d3bdc0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilityAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_72452104-9aa1-4054-9678-9543d5e69a76" xlink:to="loc_us-gaap_PublicUtilityAxis_b301abde-216f-4c0d-9de4-0e0756d3bdc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilityPlantDomain_4b71d85a-56ba-4928-ba8e-7b41d1369a62" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityAxis_b301abde-216f-4c0d-9de4-0e0756d3bdc0" xlink:to="loc_us-gaap_UtilityPlantDomain_4b71d85a-56ba-4928-ba8e-7b41d1369a62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ThreeMileIslandMember_82d08bd4-805f-43c4-a599-84aa26d53d2b" xlink:href="ceg-20211231.xsd#ceg_ThreeMileIslandMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_4b71d85a-56ba-4928-ba8e-7b41d1369a62" xlink:to="loc_ceg_ThreeMileIslandMember_82d08bd4-805f-43c4-a599-84aa26d53d2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_c1dc00e3-d69b-4798-bff7-4382fe5c162e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_72452104-9aa1-4054-9678-9543d5e69a76" xlink:to="loc_us-gaap_RestructuringCostAndReserveLineItems_c1dc00e3-d69b-4798-bff7-4382fe5c162e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeveranceCosts1_d08c9e64-133b-41a0-b50f-5363373c4b38" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SeveranceCosts1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_c1dc00e3-d69b-4798-bff7-4382fe5c162e" xlink:to="loc_us-gaap_SeveranceCosts1_d08c9e64-133b-41a0-b50f-5363373c4b38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ShareholdersEquityExelonandUtilityRegistrants" xlink:type="simple" xlink:href="ceg-20211231.xsd#ShareholdersEquityExelonandUtilityRegistrants"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ShareholdersEquityExelonandUtilityRegistrants" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityAbstract_d896ff11-5314-4161-bc1c-37b4806b5ab7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_7e2fecdd-e78d-458a-bbeb-822fc937fc2f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_d896ff11-5314-4161-bc1c-37b4806b5ab7" xlink:to="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_7e2fecdd-e78d-458a-bbeb-822fc937fc2f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ShareholderEquityTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#ShareholderEquityTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ShareholderEquityTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ShareholderAbstract_14250cba-9309-4a23-9ea4-1b2b447e35b1" xlink:href="ceg-20211231.xsd#ceg_ShareholderAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock_7cecd22d-0f58-46cf-8b74-06209611540a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ShareholderAbstract_14250cba-9309-4a23-9ea4-1b2b447e35b1" xlink:to="loc_us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock_7cecd22d-0f58-46cf-8b74-06209611540a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PreferredStockTableTextBlock_0e963f42-7622-4e9b-8a56-1cdf37a983a7" xlink:href="ceg-20211231.xsd#ceg_PreferredStockTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ShareholderAbstract_14250cba-9309-4a23-9ea4-1b2b447e35b1" xlink:to="loc_ceg_PreferredStockTableTextBlock_0e963f42-7622-4e9b-8a56-1cdf37a983a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PreferenceSecuritiesTableTextBlock_e81e68f8-a289-4aff-8573-9d80e23cf7ac" xlink:href="ceg-20211231.xsd#ceg_PreferenceSecuritiesTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ShareholderAbstract_14250cba-9309-4a23-9ea4-1b2b447e35b1" xlink:to="loc_ceg_PreferenceSecuritiesTableTextBlock_e81e68f8-a289-4aff-8573-9d80e23cf7ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ShareholdersEquityShareholderNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#ShareholdersEquityShareholderNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ShareholdersEquityShareholderNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_8d547f74-3db4-401e-b15a-0e150742807f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCapitalizationEquityTable_fe2cfe99-3333-4ee2-a64c-b3f1c291da56" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfCapitalizationEquityTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_8d547f74-3db4-401e-b15a-0e150742807f" xlink:to="loc_us-gaap_ScheduleOfCapitalizationEquityTable_fe2cfe99-3333-4ee2-a64c-b3f1c291da56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCapitalizationEquityLineItems_1dabaf32-d6eb-489b-81fc-131d0e2baad2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfCapitalizationEquityLineItems"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfCapitalizationEquityTable_fe2cfe99-3333-4ee2-a64c-b3f1c291da56" xlink:to="loc_us-gaap_ScheduleOfCapitalizationEquityLineItems_1dabaf32-d6eb-489b-81fc-131d0e2baad2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_ac3c2009-1e12-420a-abc3-c67448a45699" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfCapitalizationEquityLineItems_1dabaf32-d6eb-489b-81fc-131d0e2baad2" xlink:to="loc_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_ac3c2009-1e12-420a-abc3-c67448a45699" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ShareholdersEquityScheduleofCommonStockWarrantsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#ShareholdersEquityScheduleofCommonStockWarrantsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ShareholdersEquityScheduleofCommonStockWarrantsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonStockWarrantsAbstract_1ba1af42-7293-4d3f-9e3a-278d75fd0de8" xlink:href="ceg-20211231.xsd#ceg_CommonStockWarrantsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightTable_99d918cd-4f26-4c03-8b7e-e2afedf2a123" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CommonStockWarrantsAbstract_1ba1af42-7293-4d3f-9e3a-278d75fd0de8" xlink:to="loc_us-gaap_ClassOfWarrantOrRightTable_99d918cd-4f26-4c03-8b7e-e2afedf2a123" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_4b6580b2-10f5-4f6a-8fad-31b44d4019b4" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_99d918cd-4f26-4c03-8b7e-e2afedf2a123" xlink:to="loc_dei_LegalEntityAxis_4b6580b2-10f5-4f6a-8fad-31b44d4019b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_5be6fe70-5a41-45c5-92b1-0baa47a3b743" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_4b6580b2-10f5-4f6a-8fad-31b44d4019b4" xlink:to="loc_dei_EntityDomain_5be6fe70-5a41-45c5-92b1-0baa47a3b743" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonwealthEdisonCoMember_d1e5203a-5a59-4171-84b7-8e2f4a530f1a" xlink:href="ceg-20211231.xsd#ceg_CommonwealthEdisonCoMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5be6fe70-5a41-45c5-92b1-0baa47a3b743" xlink:to="loc_ceg_CommonwealthEdisonCoMember_d1e5203a-5a59-4171-84b7-8e2f4a530f1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_a3513be7-943f-4e85-ad18-25f308cdee7a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_99d918cd-4f26-4c03-8b7e-e2afedf2a123" xlink:to="loc_us-gaap_StatementClassOfStockAxis_a3513be7-943f-4e85-ad18-25f308cdee7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_8ea15c56-34a6-4141-ba85-bca2580dabbd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_a3513be7-943f-4e85-ad18-25f308cdee7a" xlink:to="loc_us-gaap_ClassOfStockDomain_8ea15c56-34a6-4141-ba85-bca2580dabbd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_8ac203f1-0c3d-4c90-b339-0f95151ecb8c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_8ea15c56-34a6-4141-ba85-bca2580dabbd" xlink:to="loc_us-gaap_CommonStockMember_8ac203f1-0c3d-4c90-b339-0f95151ecb8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightLineItems_47332f1c-54d1-48a1-ad79-9f85ea00f388" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_99d918cd-4f26-4c03-8b7e-e2afedf2a123" xlink:to="loc_us-gaap_ClassOfWarrantOrRightLineItems_47332f1c-54d1-48a1-ad79-9f85ea00f388" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_2f3b2b9c-61a9-4974-9bcd-a67a70886f92" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_47332f1c-54d1-48a1-ad79-9f85ea00f388" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_2f3b2b9c-61a9-4974-9bcd-a67a70886f92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonStockSharesReservedForWarrantConversion_21c9aa7d-3ae4-4a36-ab8c-e86d1dfc233a" xlink:href="ceg-20211231.xsd#ceg_CommonStockSharesReservedForWarrantConversion"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_47332f1c-54d1-48a1-ad79-9f85ea00f388" xlink:to="loc_ceg_CommonStockSharesReservedForWarrantConversion_21c9aa7d-3ae4-4a36-ab8c-e86d1dfc233a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ShareholdersEquityScheduleofPreferredStockDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#ShareholdersEquityScheduleofPreferredStockDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ShareholdersEquityScheduleofPreferredStockDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleofPreferredSecuritiesAuthorizedAbstract_673cac8c-5dbc-41f2-ae23-a17b14350dd1" xlink:href="ceg-20211231.xsd#ceg_ScheduleofPreferredSecuritiesAuthorizedAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_06ec323d-47aa-4377-8e44-ae833f78dd3e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_ScheduleofPreferredSecuritiesAuthorizedAbstract_673cac8c-5dbc-41f2-ae23-a17b14350dd1" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_06ec323d-47aa-4377-8e44-ae833f78dd3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_5dc28c0f-e91d-41bd-a379-791f5cacdc94" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_06ec323d-47aa-4377-8e44-ae833f78dd3e" xlink:to="loc_us-gaap_StatementClassOfStockAxis_5dc28c0f-e91d-41bd-a379-791f5cacdc94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_38d092b4-3445-4be7-aeec-bf57672cf2e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_5dc28c0f-e91d-41bd-a379-791f5cacdc94" xlink:to="loc_us-gaap_ClassOfStockDomain_38d092b4-3445-4be7-aeec-bf57672cf2e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockMember_f9225298-fef5-4c04-baa6-c636f128f7a1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_38d092b4-3445-4be7-aeec-bf57672cf2e8" xlink:to="loc_us-gaap_PreferredStockMember_f9225298-fef5-4c04-baa6-c636f128f7a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CumulativePreferredStockMember_3eeed657-d0f1-40c4-bead-146a028de375" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CumulativePreferredStockMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_38d092b4-3445-4be7-aeec-bf57672cf2e8" xlink:to="loc_us-gaap_CumulativePreferredStockMember_3eeed657-d0f1-40c4-bead-146a028de375" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NoParPreferredStockMember_9d558eb5-d110-40b9-8f47-7441ddf33267" xlink:href="ceg-20211231.xsd#ceg_NoParPreferredStockMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_38d092b4-3445-4be7-aeec-bf57672cf2e8" xlink:to="loc_ceg_NoParPreferredStockMember_9d558eb5-d110-40b9-8f47-7441ddf33267" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_a47034b5-6a43-4ba2-829c-c17e1d616a71" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_06ec323d-47aa-4377-8e44-ae833f78dd3e" xlink:to="loc_dei_LegalEntityAxis_a47034b5-6a43-4ba2-829c-c17e1d616a71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_a1abe8db-dcb6-4616-a260-d4d7d1a00675" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_a47034b5-6a43-4ba2-829c-c17e1d616a71" xlink:to="loc_dei_EntityDomain_a1abe8db-dcb6-4616-a260-d4d7d1a00675" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonwealthEdisonCoMember_27f8314c-0d74-4ba4-aaf2-32e31354a9f1" xlink:href="ceg-20211231.xsd#ceg_CommonwealthEdisonCoMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_a1abe8db-dcb6-4616-a260-d4d7d1a00675" xlink:to="loc_ceg_CommonwealthEdisonCoMember_27f8314c-0d74-4ba4-aaf2-32e31354a9f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PecoEnergyCoMember_90c3aa6b-bb85-49f4-a403-0f212ee32425" xlink:href="ceg-20211231.xsd#ceg_PecoEnergyCoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_a1abe8db-dcb6-4616-a260-d4d7d1a00675" xlink:to="loc_ceg_PecoEnergyCoMember_90c3aa6b-bb85-49f4-a403-0f212ee32425" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BaltimoreGasAndElectricCompanyMember_a354556d-24f3-4282-ae37-19c78485e16c" xlink:href="ceg-20211231.xsd#ceg_BaltimoreGasAndElectricCompanyMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_a1abe8db-dcb6-4616-a260-d4d7d1a00675" xlink:to="loc_ceg_BaltimoreGasAndElectricCompanyMember_a354556d-24f3-4282-ae37-19c78485e16c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PotomacElectricPowerCompanyMember_b4d44b08-35a0-4606-9a6e-7e540727da8a" xlink:href="ceg-20211231.xsd#ceg_PotomacElectricPowerCompanyMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_a1abe8db-dcb6-4616-a260-d4d7d1a00675" xlink:to="loc_ceg_PotomacElectricPowerCompanyMember_b4d44b08-35a0-4606-9a6e-7e540727da8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AtlanticCityElectricCompanyMember_43151301-dcc5-4661-a52e-dc8d88097be8" xlink:href="ceg-20211231.xsd#ceg_AtlanticCityElectricCompanyMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_a1abe8db-dcb6-4616-a260-d4d7d1a00675" xlink:to="loc_ceg_AtlanticCityElectricCompanyMember_43151301-dcc5-4661-a52e-dc8d88097be8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DelmarvaPowerandLightCompanyMember_5fbbfe33-7325-4398-8dbf-bbe79e62ef41" xlink:href="ceg-20211231.xsd#ceg_DelmarvaPowerandLightCompanyMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_a1abe8db-dcb6-4616-a260-d4d7d1a00675" xlink:to="loc_ceg_DelmarvaPowerandLightCompanyMember_5fbbfe33-7325-4398-8dbf-bbe79e62ef41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_aa03bc6e-f60b-432f-96b4-0f063e43f729" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_06ec323d-47aa-4377-8e44-ae833f78dd3e" xlink:to="loc_us-gaap_ClassOfStockLineItems_aa03bc6e-f60b-432f-96b4-0f063e43f729" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_3a6b53cf-a4f8-4e85-bc81-1c9714c75b38" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_aa03bc6e-f60b-432f-96b4-0f063e43f729" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_3a6b53cf-a4f8-4e85-bc81-1c9714c75b38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_7012e1aa-aa82-46cf-a784-7dad0aa23407" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_aa03bc6e-f60b-432f-96b4-0f063e43f729" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_7012e1aa-aa82-46cf-a784-7dad0aa23407" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PreferenceStockSharesOutstanding_12936785-278e-431a-89b9-f5716afadcb9" xlink:href="ceg-20211231.xsd#ceg_PreferenceStockSharesOutstanding"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_aa03bc6e-f60b-432f-96b4-0f063e43f729" xlink:to="loc_ceg_PreferenceStockSharesOutstanding_12936785-278e-431a-89b9-f5716afadcb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ShareholdersEquityScheduleofPreferenceStockDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#ShareholdersEquityScheduleofPreferenceStockDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ShareholdersEquityScheduleofPreferenceStockDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityAbstract_a59fd6c7-d2c6-49cc-be99-5c5ed7bfee3f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_1ea0ea90-b29b-4acd-ac32-efd139477b1b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_a59fd6c7-d2c6-49cc-be99-5c5ed7bfee3f" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_1ea0ea90-b29b-4acd-ac32-efd139477b1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_6d3208fd-2f02-4960-b2da-1a93934c6e59" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1ea0ea90-b29b-4acd-ac32-efd139477b1b" xlink:to="loc_us-gaap_StatementClassOfStockAxis_6d3208fd-2f02-4960-b2da-1a93934c6e59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_85b5e305-0e91-4471-adf1-2fd6524dccd0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_6d3208fd-2f02-4960-b2da-1a93934c6e59" xlink:to="loc_us-gaap_ClassOfStockDomain_85b5e305-0e91-4471-adf1-2fd6524dccd0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_UnclassifiedPreferenceStockMember_a42a7754-a1a4-418a-aa8a-0d04ad0bb0f5" xlink:href="ceg-20211231.xsd#ceg_UnclassifiedPreferenceStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_85b5e305-0e91-4471-adf1-2fd6524dccd0" xlink:to="loc_ceg_UnclassifiedPreferenceStockMember_a42a7754-a1a4-418a-aa8a-0d04ad0bb0f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PreferenceStockRedeemedMember_51b5128d-c48d-4ea5-9f2b-9ad5ae6ccb49" xlink:href="ceg-20211231.xsd#ceg_PreferenceStockRedeemedMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_85b5e305-0e91-4471-adf1-2fd6524dccd0" xlink:to="loc_ceg_PreferenceStockRedeemedMember_51b5128d-c48d-4ea5-9f2b-9ad5ae6ccb49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_bc5cd513-fa56-4263-b730-c1a122051724" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1ea0ea90-b29b-4acd-ac32-efd139477b1b" xlink:to="loc_dei_LegalEntityAxis_bc5cd513-fa56-4263-b730-c1a122051724" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_6e8c59da-1432-4518-a62b-7b424544e1b1" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_bc5cd513-fa56-4263-b730-c1a122051724" xlink:to="loc_dei_EntityDomain_6e8c59da-1432-4518-a62b-7b424544e1b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonwealthEdisonCoMember_f878dd5d-8f07-4c33-a56e-dc9bdcd4f8ef" xlink:href="ceg-20211231.xsd#ceg_CommonwealthEdisonCoMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6e8c59da-1432-4518-a62b-7b424544e1b1" xlink:to="loc_ceg_CommonwealthEdisonCoMember_f878dd5d-8f07-4c33-a56e-dc9bdcd4f8ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BaltimoreGasAndElectricCompanyMember_3e530b85-91ab-435a-b988-f1d553c5f64d" xlink:href="ceg-20211231.xsd#ceg_BaltimoreGasAndElectricCompanyMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6e8c59da-1432-4518-a62b-7b424544e1b1" xlink:to="loc_ceg_BaltimoreGasAndElectricCompanyMember_3e530b85-91ab-435a-b988-f1d553c5f64d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AtlanticCityElectricCompanyMember_80024027-9c95-4e03-b4c9-e5f8690e27c4" xlink:href="ceg-20211231.xsd#ceg_AtlanticCityElectricCompanyMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6e8c59da-1432-4518-a62b-7b424544e1b1" xlink:to="loc_ceg_AtlanticCityElectricCompanyMember_80024027-9c95-4e03-b4c9-e5f8690e27c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PecoEnergyCoMember_3ddaff25-88e6-40c7-b5b8-3e00d98ead98" xlink:href="ceg-20211231.xsd#ceg_PecoEnergyCoMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6e8c59da-1432-4518-a62b-7b424544e1b1" xlink:to="loc_ceg_PecoEnergyCoMember_3ddaff25-88e6-40c7-b5b8-3e00d98ead98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PotomacElectricPowerCompanyMember_9cc7cbdf-0ff2-4727-a501-deab28a271de" xlink:href="ceg-20211231.xsd#ceg_PotomacElectricPowerCompanyMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6e8c59da-1432-4518-a62b-7b424544e1b1" xlink:to="loc_ceg_PotomacElectricPowerCompanyMember_9cc7cbdf-0ff2-4727-a501-deab28a271de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DelmarvaPowerandLightCompanyMember_392b285a-48b5-4f67-916a-cc6ddc664da2" xlink:href="ceg-20211231.xsd#ceg_DelmarvaPowerandLightCompanyMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_6e8c59da-1432-4518-a62b-7b424544e1b1" xlink:to="loc_ceg_DelmarvaPowerandLightCompanyMember_392b285a-48b5-4f67-916a-cc6ddc664da2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_806ef6ef-4e9c-4bf0-844a-b5e2636edb43" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1ea0ea90-b29b-4acd-ac32-efd139477b1b" xlink:to="loc_us-gaap_ClassOfStockLineItems_806ef6ef-4e9c-4bf0-844a-b5e2636edb43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PreferenceStockSharesOutstanding_ee1fef48-fce8-47b0-adbc-3e4efc0d7a04" xlink:href="ceg-20211231.xsd#ceg_PreferenceStockSharesOutstanding"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_806ef6ef-4e9c-4bf0-844a-b5e2636edb43" xlink:to="loc_ceg_PreferenceStockSharesOutstanding_ee1fef48-fce8-47b0-adbc-3e4efc0d7a04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PreferenceStockSharesAuthorized_afed32bd-582e-4409-b5bc-b3cf9d1facab" xlink:href="ceg-20211231.xsd#ceg_PreferenceStockSharesAuthorized"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_806ef6ef-4e9c-4bf0-844a-b5e2636edb43" xlink:to="loc_ceg_PreferenceStockSharesAuthorized_afed32bd-582e-4409-b5bc-b3cf9d1facab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/StockBasedCompensationPlans" xlink:type="simple" xlink:href="ceg-20211231.xsd#StockBasedCompensationPlans"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/StockBasedCompensationPlans" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_d61b536b-c398-4804-836b-c976b51531da" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_3e32fbcf-139f-4288-b6d2-43df8b0b5d9d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_d61b536b-c398-4804-836b-c976b51531da" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_3e32fbcf-139f-4288-b6d2-43df8b0b5d9d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/StockBasedCompensationPlansTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#StockBasedCompensationPlansTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/StockBasedCompensationPlansTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_506ed86e-a82e-4505-a318-8b5c7eedbdef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_a818a907-21b8-4611-95d3-69a613b99a18" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_506ed86e-a82e-4505-a318-8b5c7eedbdef" xlink:to="loc_us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock_a818a907-21b8-4611-95d3-69a613b99a18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/StockBasedCompensationPlansNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#StockBasedCompensationPlansNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/StockBasedCompensationPlansNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_50fb4fa7-a63a-4631-a762-796aa5264ea9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_058afac0-3c89-4849-9e5f-48d05db38fc2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_50fb4fa7-a63a-4631-a762-796aa5264ea9" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_058afac0-3c89-4849-9e5f-48d05db38fc2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_9c3c7ba1-fa09-453f-b261-a43c07debb74" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_058afac0-3c89-4849-9e5f-48d05db38fc2" xlink:to="loc_dei_LegalEntityAxis_9c3c7ba1-fa09-453f-b261-a43c07debb74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_b7c5c15d-1c87-46a6-93f0-b6f1b2df2649" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_9c3c7ba1-fa09-453f-b261-a43c07debb74" xlink:to="loc_dei_EntityDomain_b7c5c15d-1c87-46a6-93f0-b6f1b2df2649" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_c609b65a-6b4b-4f2a-9a23-a88d8e41d244" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b7c5c15d-1c87-46a6-93f0-b6f1b2df2649" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_c609b65a-6b4b-4f2a-9a23-a88d8e41d244" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_7339292a-fb1d-4b29-bcd0-f3a4c8364826" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_058afac0-3c89-4849-9e5f-48d05db38fc2" xlink:to="loc_us-gaap_AwardTypeAxis_7339292a-fb1d-4b29-bcd0-f3a4c8364826" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_cd431ef9-d0b7-47f0-b913-21bb5414ea93" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_7339292a-fb1d-4b29-bcd0-f3a4c8364826" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_cd431ef9-d0b7-47f0-b913-21bb5414ea93" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_274f27b4-7257-4c26-9d98-e25ed60694db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PerformanceSharesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_cd431ef9-d0b7-47f0-b913-21bb5414ea93" xlink:to="loc_us-gaap_PerformanceSharesMember_274f27b4-7257-4c26-9d98-e25ed60694db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_29990048-8fb9-415d-bff3-820e1708a8cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_058afac0-3c89-4849-9e5f-48d05db38fc2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_29990048-8fb9-415d-bff3-820e1708a8cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SharebasedCompensationbySharebasedPaymentAwardPercentageofAwardstobeSettledinStock_fa2de7b8-d7df-447c-9a83-9c4227b9297d" xlink:href="ceg-20211231.xsd#ceg_SharebasedCompensationbySharebasedPaymentAwardPercentageofAwardstobeSettledinStock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_29990048-8fb9-415d-bff3-820e1708a8cd" xlink:to="loc_ceg_SharebasedCompensationbySharebasedPaymentAwardPercentageofAwardstobeSettledinStock_fa2de7b8-d7df-447c-9a83-9c4227b9297d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SharebasedCompensationbySharebasedPaymentAwardPercentageofAwardstobeSettledinCash_4f50e327-4755-45ee-b265-6f43d7d1a2c4" xlink:href="ceg-20211231.xsd#ceg_SharebasedCompensationbySharebasedPaymentAwardPercentageofAwardstobeSettledinCash"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_29990048-8fb9-415d-bff3-820e1708a8cd" xlink:to="loc_ceg_SharebasedCompensationbySharebasedPaymentAwardPercentageofAwardstobeSettledinCash_4f50e327-4755-45ee-b265-6f43d7d1a2c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/StockBasedCompensationPlansScheduleofStockbasedCompensationExpenseDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#StockBasedCompensationPlansScheduleofStockbasedCompensationExpenseDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/StockBasedCompensationPlansScheduleofStockbasedCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_fc663ad5-3761-4d11-9d6b-f4a797fce949" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_254c32f7-6a14-4d07-b4c1-f1775bb41bc9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_fc663ad5-3761-4d11-9d6b-f4a797fce949" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_254c32f7-6a14-4d07-b4c1-f1775bb41bc9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_8edad429-5205-4e1b-9613-c3a10a7b75cb" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_254c32f7-6a14-4d07-b4c1-f1775bb41bc9" xlink:to="loc_dei_LegalEntityAxis_8edad429-5205-4e1b-9613-c3a10a7b75cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ce5478ff-5f81-4116-ae96-138f18a53ad8" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_8edad429-5205-4e1b-9613-c3a10a7b75cb" xlink:to="loc_dei_EntityDomain_ce5478ff-5f81-4116-ae96-138f18a53ad8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_7db43533-f8cd-41df-9f01-8eb97f223e48" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_ce5478ff-5f81-4116-ae96-138f18a53ad8" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_7db43533-f8cd-41df-9f01-8eb97f223e48" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_e4a9a957-fda6-49be-b57b-004c5b71c459" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_254c32f7-6a14-4d07-b4c1-f1775bb41bc9" xlink:to="loc_us-gaap_AwardTypeAxis_e4a9a957-fda6-49be-b57b-004c5b71c459" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e5ba87ea-8e57-48e3-b70b-2d18f4b13ed1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_e4a9a957-fda6-49be-b57b-004c5b71c459" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e5ba87ea-8e57-48e3-b70b-2d18f4b13ed1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockCompensationPlanMember_77f7f890-6cba-4667-82eb-425e3b6982f4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockCompensationPlanMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_e5ba87ea-8e57-48e3-b70b-2d18f4b13ed1" xlink:to="loc_us-gaap_StockCompensationPlanMember_77f7f890-6cba-4667-82eb-425e3b6982f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9d304eca-8b72-4630-a59f-50757948167f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_254c32f7-6a14-4d07-b4c1-f1775bb41bc9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9d304eca-8b72-4630-a59f-50757948167f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_6c9d799e-a737-48dc-b53b-6af309720fcd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9d304eca-8b72-4630-a59f-50757948167f" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_6c9d799e-a737-48dc-b53b-6af309720fcd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_8167a4d9-ee89-47bf-8d4d-6d7f3a6d0a94" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9d304eca-8b72-4630-a59f-50757948167f" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_8167a4d9-ee89-47bf-8d4d-6d7f3a6d0a94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_1cf75136-8ebd-44ad-ab01-6ff9671f4da7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9d304eca-8b72-4630-a59f-50757948167f" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_1cf75136-8ebd-44ad-ab01-6ff9671f4da7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ChangesinAccumulatedOtherComprehensiveIncomeExelon" xlink:type="simple" xlink:href="ceg-20211231.xsd#ChangesinAccumulatedOtherComprehensiveIncomeExelon"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ChangesinAccumulatedOtherComprehensiveIncomeExelon" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityAbstract_c95469f1-5720-4a0a-9221-53f9c243050d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AccumulatedOtherComprehensiveIncomeLossTextBlock_4e1583a7-d3ac-4919-9b22-af4910b8ffd8" xlink:href="ceg-20211231.xsd#ceg_AccumulatedOtherComprehensiveIncomeLossTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_c95469f1-5720-4a0a-9221-53f9c243050d" xlink:to="loc_ceg_AccumulatedOtherComprehensiveIncomeLossTextBlock_4e1583a7-d3ac-4919-9b22-af4910b8ffd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ChangesinAccumulatedOtherComprehensiveIncomeTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#ChangesinAccumulatedOtherComprehensiveIncomeTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ChangesinAccumulatedOtherComprehensiveIncomeTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityAbstract_adba9929-b1ea-46c9-aa28-ca76d9bd75ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_73c49f14-4d4e-4e6f-95f9-cf12f19582c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_adba9929-b1ea-46c9-aa28-ca76d9bd75ec" xlink:to="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_73c49f14-4d4e-4e6f-95f9-cf12f19582c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleOfOtherComprehensiveIncomeLossTaxTableTextBlock_73bd2001-4d20-4406-aa25-e64f480fb74e" xlink:href="ceg-20211231.xsd#ceg_ScheduleOfOtherComprehensiveIncomeLossTaxTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_adba9929-b1ea-46c9-aa28-ca76d9bd75ec" xlink:to="loc_ceg_ScheduleOfOtherComprehensiveIncomeLossTaxTableTextBlock_73bd2001-4d20-4406-aa25-e64f480fb74e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ChangesinAccumulatedOtherComprehensiveIncomeScheduleofChangesinAOCIDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#ChangesinAccumulatedOtherComprehensiveIncomeScheduleofChangesinAOCIDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ChangesinAccumulatedOtherComprehensiveIncomeScheduleofChangesinAOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityAbstract_38a8e54a-aec7-47fe-9709-819419394b32" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_074c4105-15dd-40e1-aaa0-c10ddd090548" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_38a8e54a-aec7-47fe-9709-819419394b32" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_074c4105-15dd-40e1-aaa0-c10ddd090548" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_ae88154e-2548-4599-8c3b-4500db6a8906" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_074c4105-15dd-40e1-aaa0-c10ddd090548" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_ae88154e-2548-4599-8c3b-4500db6a8906" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_fc0a5d88-03a2-4f82-a418-5742c08778ed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_ae88154e-2548-4599-8c3b-4500db6a8906" xlink:to="loc_us-gaap_EquityComponentDomain_fc0a5d88-03a2-4f82-a418-5742c08778ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6d238de1-8d4b-4d3e-87f9-2649466ca43b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_fc0a5d88-03a2-4f82-a418-5742c08778ed" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6d238de1-8d4b-4d3e-87f9-2649466ca43b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_8c20dd0e-860f-4632-9a61-3c47a666cb94" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_074c4105-15dd-40e1-aaa0-c10ddd090548" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_8c20dd0e-860f-4632-9a61-3c47a666cb94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfAdoptionMember_3e2e3ea8-bdca-4d7a-98a7-86aec99c323c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TypeOfAdoptionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_8c20dd0e-860f-4632-9a61-3c47a666cb94" xlink:to="loc_us-gaap_TypeOfAdoptionMember_3e2e3ea8-bdca-4d7a-98a7-86aec99c323c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingStandardsUpdate201601Member_0086e484-a69c-4f6d-9712-b9cb17f2cf62" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountingStandardsUpdate201601Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfAdoptionMember_3e2e3ea8-bdca-4d7a-98a7-86aec99c323c" xlink:to="loc_us-gaap_AccountingStandardsUpdate201601Member_0086e484-a69c-4f6d-9712-b9cb17f2cf62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_7e4c3e59-118b-4ce0-ac86-eb908b65b26c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_074c4105-15dd-40e1-aaa0-c10ddd090548" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_7e4c3e59-118b-4ce0-ac86-eb908b65b26c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_MovementinAccumulatedOtherComprehensiveIncomeRollForward_4d5097f2-28b3-4728-ac4e-49c43f608ca1" xlink:href="ceg-20211231.xsd#ceg_MovementinAccumulatedOtherComprehensiveIncomeRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_7e4c3e59-118b-4ce0-ac86-eb908b65b26c" xlink:to="loc_ceg_MovementinAccumulatedOtherComprehensiveIncomeRollForward_4d5097f2-28b3-4728-ac4e-49c43f608ca1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_27f04da9-f4f8-4909-b2e0-72b9012fdd3d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MovementinAccumulatedOtherComprehensiveIncomeRollForward_4d5097f2-28b3-4728-ac4e-49c43f608ca1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_27f04da9-f4f8-4909-b2e0-72b9012fdd3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_7ccfde77-5ff4-4503-ad10-b451a443ce4c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MovementinAccumulatedOtherComprehensiveIncomeRollForward_4d5097f2-28b3-4728-ac4e-49c43f608ca1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_7ccfde77-5ff4-4503-ad10-b451a443ce4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_3d499e8e-62e4-4b48-bc24-ee93565c4ab4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MovementinAccumulatedOtherComprehensiveIncomeRollForward_4d5097f2-28b3-4728-ac4e-49c43f608ca1" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_3d499e8e-62e4-4b48-bc24-ee93565c4ab4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_dad37b96-987f-4fd3-bdd3-ddff29f11a74" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MovementinAccumulatedOtherComprehensiveIncomeRollForward_4d5097f2-28b3-4728-ac4e-49c43f608ca1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_dad37b96-987f-4fd3-bdd3-ddff29f11a74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketableSecuritiesUnrealizedGainLoss_26383ede-c071-4014-b4c4-40d6cbc5d242" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MarketableSecuritiesUnrealizedGainLoss"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MovementinAccumulatedOtherComprehensiveIncomeRollForward_4d5097f2-28b3-4728-ac4e-49c43f608ca1" xlink:to="loc_us-gaap_MarketableSecuritiesUnrealizedGainLoss_26383ede-c071-4014-b4c4-40d6cbc5d242" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_7ff2ad0f-0672-47aa-a1c9-7aec15d29ef8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_MovementinAccumulatedOtherComprehensiveIncomeRollForward_4d5097f2-28b3-4728-ac4e-49c43f608ca1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_7ff2ad0f-0672-47aa-a1c9-7aec15d29ef8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ChangesinAccumulatedOtherComprehensiveIncomeIncomeTaxesAllocatedtoOtherComprehensiveIncomeLossComponentsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#ChangesinAccumulatedOtherComprehensiveIncomeIncomeTaxesAllocatedtoOtherComprehensiveIncomeLossComponentsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ChangesinAccumulatedOtherComprehensiveIncomeIncomeTaxesAllocatedtoOtherComprehensiveIncomeLossComponentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityAbstract_668759da-088d-425f-b2c4-a8172b35df7e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_139799fa-7ae2-4181-831f-0a5b36692374" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_668759da-088d-425f-b2c4-a8172b35df7e" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_139799fa-7ae2-4181-831f-0a5b36692374" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_b8e35399-ef7f-4ef2-b994-472cd0fffa33" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_139799fa-7ae2-4181-831f-0a5b36692374" xlink:to="loc_dei_LegalEntityAxis_b8e35399-ef7f-4ef2-b994-472cd0fffa33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_f11ec7e7-12a7-47e4-94f4-854e18a6f3d5" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_b8e35399-ef7f-4ef2-b994-472cd0fffa33" xlink:to="loc_dei_EntityDomain_f11ec7e7-12a7-47e4-94f4-854e18a6f3d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_caa461de-0509-4430-8fef-780efcad20aa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_139799fa-7ae2-4181-831f-0a5b36692374" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_caa461de-0509-4430-8fef-780efcad20aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_c74c5d6e-d065-471b-90f2-4c1efc7dae9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_caa461de-0509-4430-8fef-780efcad20aa" xlink:to="loc_us-gaap_EquityComponentDomain_c74c5d6e-d065-471b-90f2-4c1efc7dae9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_552f6acc-aab8-4b97-ac32-0edc72277eea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c74c5d6e-d065-471b-90f2-4c1efc7dae9f" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_552f6acc-aab8-4b97-ac32-0edc72277eea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_6702865c-287c-4916-8b3b-ad8ddf336a70" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c74c5d6e-d065-471b-90f2-4c1efc7dae9f" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_6702865c-287c-4916-8b3b-ad8ddf336a70" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_d6a8cd0b-9719-48fd-9cbf-0808184b3427" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_139799fa-7ae2-4181-831f-0a5b36692374" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_d6a8cd0b-9719-48fd-9cbf-0808184b3427" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_fea37d05-8d41-43d6-aed6-4636c4ce9481" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_d6a8cd0b-9719-48fd-9cbf-0808184b3427" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_fea37d05-8d41-43d6-aed6-4636c4ce9481" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/VariableInterestEntities" xlink:type="simple" xlink:href="ceg-20211231.xsd#VariableInterestEntities"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/VariableInterestEntities" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_VariableInterestEntityAbstract_1392c332-49f3-4ce9-bd63-0c6b425adb53" xlink:href="ceg-20211231.xsd#ceg_VariableInterestEntityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityDisclosureTextBlock_47a6c38b-6072-4ec5-ba95-a8d269d79d3a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_VariableInterestEntityAbstract_1392c332-49f3-4ce9-bd63-0c6b425adb53" xlink:to="loc_us-gaap_VariableInterestEntityDisclosureTextBlock_47a6c38b-6072-4ec5-ba95-a8d269d79d3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/VariableInterestEntitiesTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#VariableInterestEntitiesTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/VariableInterestEntitiesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_VariableInterestEntityAbstract_a94065c6-0373-43c8-a5cf-8dc0e98292ff" xlink:href="ceg-20211231.xsd#ceg_VariableInterestEntityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AssetsandLiabilitiesofVariableInterestEntityTableTextBlock_221989fb-192d-4ab5-bbc5-9d0c79fa7afa" xlink:href="ceg-20211231.xsd#ceg_AssetsandLiabilitiesofVariableInterestEntityTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_VariableInterestEntityAbstract_a94065c6-0373-43c8-a5cf-8dc0e98292ff" xlink:to="loc_ceg_AssetsandLiabilitiesofVariableInterestEntityTableTextBlock_221989fb-192d-4ab5-bbc5-9d0c79fa7afa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_VariableInterestEntityDisclosureSummaryofUnconsolidatedVariableInterestEntityTableTextBlock_6f68f09e-81f7-4665-9a7b-e7d28af72a5f" xlink:href="ceg-20211231.xsd#ceg_VariableInterestEntityDisclosureSummaryofUnconsolidatedVariableInterestEntityTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_VariableInterestEntityAbstract_a94065c6-0373-43c8-a5cf-8dc0e98292ff" xlink:to="loc_ceg_VariableInterestEntityDisclosureSummaryofUnconsolidatedVariableInterestEntityTableTextBlock_6f68f09e-81f7-4665-9a7b-e7d28af72a5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/VariableInterestEntitiesNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#VariableInterestEntitiesNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/VariableInterestEntitiesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_VariableInterestEntityAbstract_fd37a5b5-70d2-4000-a88c-e582266dcb87" xlink:href="ceg-20211231.xsd#ceg_VariableInterestEntityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_58d96483-1a3d-4bff-b7be-9e9d6b295e4e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_VariableInterestEntityAbstract_fd37a5b5-70d2-4000-a88c-e582266dcb87" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_58d96483-1a3d-4bff-b7be-9e9d6b295e4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_5982fccb-c512-4abb-8d64-0bac6bc1e24f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_58d96483-1a3d-4bff-b7be-9e9d6b295e4e" xlink:to="loc_dei_LegalEntityAxis_5982fccb-c512-4abb-8d64-0bac6bc1e24f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_0214db93-5327-45fb-8a86-c50b0dd94c78" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_5982fccb-c512-4abb-8d64-0bac6bc1e24f" xlink:to="loc_dei_EntityDomain_0214db93-5327-45fb-8a86-c50b0dd94c78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_00f230a7-a67d-440a-b7b8-3e9aa2460c97" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_0214db93-5327-45fb-8a86-c50b0dd94c78" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_00f230a7-a67d-440a-b7b8-3e9aa2460c97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_3e7b070e-37d0-4ff5-924b-c1b0b886f185" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_58d96483-1a3d-4bff-b7be-9e9d6b295e4e" xlink:to="loc_srt_OwnershipAxis_3e7b070e-37d0-4ff5-924b-c1b0b886f185" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_ebd99f95-9f9f-4f5e-b6e4-6d64d277ef49" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipAxis_3e7b070e-37d0-4ff5-924b-c1b0b886f185" xlink:to="loc_srt_OwnershipDomain_ebd99f95-9f9f-4f5e-b6e4-6d64d277ef49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CengMember_d4036502-7a39-4790-86d6-c8809b3bb1cd" xlink:href="ceg-20211231.xsd#ceg_CengMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipDomain_ebd99f95-9f9f-4f5e-b6e4-6d64d277ef49" xlink:to="loc_ceg_CengMember_d4036502-7a39-4790-86d6-c8809b3bb1cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CRPMember_ecbc1be4-bc5b-48db-8118-cb799f84c640" xlink:href="ceg-20211231.xsd#ceg_CRPMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipDomain_ebd99f95-9f9f-4f5e-b6e4-6d64d277ef49" xlink:to="loc_ceg_CRPMember_ecbc1be4-bc5b-48db-8118-cb799f84c640" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AntelopeValleyMember_658ad3df-3956-4210-94a8-d5c936b30880" xlink:href="ceg-20211231.xsd#ceg_AntelopeValleyMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipDomain_ebd99f95-9f9f-4f5e-b6e4-6d64d277ef49" xlink:to="loc_ceg_AntelopeValleyMember_658ad3df-3956-4210-94a8-d5c936b30880" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DistributedEnergyCompanyMember_c6cee6d7-5039-4961-a1a8-ae016454e1cd" xlink:href="ceg-20211231.xsd#ceg_DistributedEnergyCompanyMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipDomain_ebd99f95-9f9f-4f5e-b6e4-6d64d277ef49" xlink:to="loc_ceg_DistributedEnergyCompanyMember_c6cee6d7-5039-4961-a1a8-ae016454e1cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NERMember_8fdd8744-8337-4522-83bc-cbd584b45dcd" xlink:href="ceg-20211231.xsd#ceg_NERMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipDomain_ebd99f95-9f9f-4f5e-b6e4-6d64d277ef49" xlink:to="loc_ceg_NERMember_8fdd8744-8337-4522-83bc-cbd584b45dcd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SolarProjectEntitiesMember_3be43828-d44b-421c-b4cb-bef798833c8f" xlink:href="ceg-20211231.xsd#ceg_SolarProjectEntitiesMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipDomain_ebd99f95-9f9f-4f5e-b6e4-6d64d277ef49" xlink:to="loc_ceg_SolarProjectEntitiesMember_3be43828-d44b-421c-b4cb-bef798833c8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_WindProjectEntitiesMember_1c4f0edf-e572-48af-8830-b5b69372409a" xlink:href="ceg-20211231.xsd#ceg_WindProjectEntitiesMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_OwnershipDomain_ebd99f95-9f9f-4f5e-b6e4-6d64d277ef49" xlink:to="loc_ceg_WindProjectEntitiesMember_1c4f0edf-e572-48af-8830-b5b69372409a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_1bfe724d-bea5-480f-bed2-64034ca74eeb" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_58d96483-1a3d-4bff-b7be-9e9d6b295e4e" xlink:to="loc_srt_ConsolidatedEntitiesAxis_1bfe724d-bea5-480f-bed2-64034ca74eeb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_2d817fab-6b8a-460f-bd45-492773a00621" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesAxis_1bfe724d-bea5-480f-bed2-64034ca74eeb" xlink:to="loc_srt_ConsolidatedEntitiesDomain_2d817fab-6b8a-460f-bd45-492773a00621" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_4fda05c1-5342-4ed8-a459-e8bb6278365e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_2d817fab-6b8a-460f-bd45-492773a00621" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_4fda05c1-5342-4ed8-a459-e8bb6278365e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis_8eaa9202-07b2-4895-a085-7df471e98728" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_58d96483-1a3d-4bff-b7be-9e9d6b295e4e" xlink:to="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis_8eaa9202-07b2-4895-a085-7df471e98728" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain_6112dc4b-039b-4c20-8192-552a2de5171a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis_8eaa9202-07b2-4895-a085-7df471e98728" xlink:to="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain_6112dc4b-039b-4c20-8192-552a2de5171a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DistributedEnergyCompanyMember_a7160fe3-2345-464e-bb90-dd6bf69f309b" xlink:href="ceg-20211231.xsd#ceg_DistributedEnergyCompanyMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain_6112dc4b-039b-4c20-8192-552a2de5171a" xlink:to="loc_ceg_DistributedEnergyCompanyMember_a7160fe3-2345-464e-bb90-dd6bf69f309b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_VIEDistributedEnergyCompanyMember_aa478a9e-45f4-4187-b411-d072a7d9941b" xlink:href="ceg-20211231.xsd#ceg_VIEDistributedEnergyCompanyMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain_6112dc4b-039b-4c20-8192-552a2de5171a" xlink:to="loc_ceg_VIEDistributedEnergyCompanyMember_aa478a9e-45f4-4187-b411-d072a7d9941b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_5b7fc176-16fd-43aa-a029-6d08689d0075" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_58d96483-1a3d-4bff-b7be-9e9d6b295e4e" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_5b7fc176-16fd-43aa-a029-6d08689d0075" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_586ffc04-93b9-4762-a3a1-412913dafba8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_5b7fc176-16fd-43aa-a029-6d08689d0075" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_586ffc04-93b9-4762-a3a1-412913dafba8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentGuaranteeMember_792294f6-fbd3-4943-90f3-b4de47cf2b5b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentGuaranteeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_586ffc04-93b9-4762-a3a1-412913dafba8" xlink:to="loc_us-gaap_PaymentGuaranteeMember_792294f6-fbd3-4943-90f3-b4de47cf2b5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialGuaranteeMember_a701ae03-7e3e-40d8-99c9-8a125bd43986" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialGuaranteeMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_586ffc04-93b9-4762-a3a1-412913dafba8" xlink:to="loc_us-gaap_FinancialGuaranteeMember_a701ae03-7e3e-40d8-99c9-8a125bd43986" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_8bd5368d-a3f3-41ca-98f4-8fcbe5dc99da" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_58d96483-1a3d-4bff-b7be-9e9d6b295e4e" xlink:to="loc_us-gaap_VariableInterestEntityLineItems_8bd5368d-a3f3-41ca-98f4-8fcbe5dc99da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_dab0136c-7ac8-4709-94f5-7c03161f8507" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_8bd5368d-a3f3-41ca-98f4-8fcbe5dc99da" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_dab0136c-7ac8-4709-94f5-7c03161f8507" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_922208a4-9168-4978-904b-c7ceec3622de" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_8bd5368d-a3f3-41ca-98f4-8fcbe5dc99da" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_922208a4-9168-4978-904b-c7ceec3622de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_5f90e232-c52c-426f-bf63-9469561af933" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_8bd5368d-a3f3-41ca-98f4-8fcbe5dc99da" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_5f90e232-c52c-426f-bf63-9469561af933" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_e31b89f7-d8d1-4403-b836-ff1d0a8d1ac0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_8bd5368d-a3f3-41ca-98f4-8fcbe5dc99da" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_e31b89f7-d8d1-4403-b836-ff1d0a8d1ac0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/VariableInterestEntitiesAssetsandLiabilitiesofConsolidatedVIEsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#VariableInterestEntitiesAssetsandLiabilitiesofConsolidatedVIEsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/VariableInterestEntitiesAssetsandLiabilitiesofConsolidatedVIEsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_VariableInterestEntityAbstract_d45bf5cc-076f-4c4c-b7c6-c6617fa3d481" xlink:href="ceg-20211231.xsd#ceg_VariableInterestEntityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_ee06e96f-d73a-4a47-9e48-ca9a8389f181" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_VariableInterestEntityAbstract_d45bf5cc-076f-4c4c-b7c6-c6617fa3d481" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_ee06e96f-d73a-4a47-9e48-ca9a8389f181" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_43adda63-a5dc-4496-bd7d-6ddca99d541a" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_ee06e96f-d73a-4a47-9e48-ca9a8389f181" xlink:to="loc_dei_LegalEntityAxis_43adda63-a5dc-4496-bd7d-6ddca99d541a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_b8531006-0fce-4eec-89bb-e2aa6b7e7050" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_43adda63-a5dc-4496-bd7d-6ddca99d541a" xlink:to="loc_dei_EntityDomain_b8531006-0fce-4eec-89bb-e2aa6b7e7050" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_edf731de-3d3e-43de-a6ec-26b9441a2ba7" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_b8531006-0fce-4eec-89bb-e2aa6b7e7050" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_edf731de-3d3e-43de-a6ec-26b9441a2ba7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RecourseStatusAxis_e78aa95d-f7b3-4405-8034-8f4e10da53b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RecourseStatusAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_ee06e96f-d73a-4a47-9e48-ca9a8389f181" xlink:to="loc_us-gaap_RecourseStatusAxis_e78aa95d-f7b3-4405-8034-8f4e10da53b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RecourseStatusDomain_540429a6-977f-4ced-a8b6-9ad59e6d9d27" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RecourseStatusDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RecourseStatusAxis_e78aa95d-f7b3-4405-8034-8f4e10da53b1" xlink:to="loc_us-gaap_RecourseStatusDomain_540429a6-977f-4ced-a8b6-9ad59e6d9d27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RecourseMember_b0ed7838-335a-4474-8580-86bb01196930" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RecourseMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RecourseStatusDomain_540429a6-977f-4ced-a8b6-9ad59e6d9d27" xlink:to="loc_us-gaap_RecourseMember_b0ed7838-335a-4474-8580-86bb01196930" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_ce961d6e-f99b-4af2-bfe7-a8f2cd45a81a" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_ee06e96f-d73a-4a47-9e48-ca9a8389f181" xlink:to="loc_srt_ConsolidatedEntitiesAxis_ce961d6e-f99b-4af2-bfe7-a8f2cd45a81a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_e23e75e6-3f65-4a01-ac6a-1794aada0cdf" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesAxis_ce961d6e-f99b-4af2-bfe7-a8f2cd45a81a" xlink:to="loc_srt_ConsolidatedEntitiesDomain_e23e75e6-3f65-4a01-ac6a-1794aada0cdf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_eb3871fe-208a-44aa-b2d2-4b20d6aff677" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_e23e75e6-3f65-4a01-ac6a-1794aada0cdf" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_eb3871fe-208a-44aa-b2d2-4b20d6aff677" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_ee06e96f-d73a-4a47-9e48-ca9a8389f181" xlink:to="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_988be334-3cb3-4c19-86a6-5062bde09c51" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_AssetsCurrentAbstract_988be334-3cb3-4c19-86a6-5062bde09c51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c8c44c68-3c15-4bd0-8d1b-9206597a75dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_988be334-3cb3-4c19-86a6-5062bde09c51" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_c8c44c68-3c15-4bd0-8d1b-9206597a75dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_b36e31cd-d77a-4cb4-91f4-c3ca57700a8f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_988be334-3cb3-4c19-86a6-5062bde09c51" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_b36e31cd-d77a-4cb4-91f4-c3ca57700a8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrentAbstract_7782fb03-4132-43cd-955f-6a0c87acb229" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrentAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_988be334-3cb3-4c19-86a6-5062bde09c51" xlink:to="loc_us-gaap_AccountsReceivableNetCurrentAbstract_7782fb03-4132-43cd-955f-6a0c87acb229" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_b6c61a06-7ef2-44b3-bdb1-805cf23feace" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_7782fb03-4132-43cd-955f-6a0c87acb229" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_b6c61a06-7ef2-44b3-bdb1-805cf23feace" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivables_450f9b20-2ee3-456a-bd9b-858da87c36d2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherReceivables"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetCurrentAbstract_7782fb03-4132-43cd-955f-6a0c87acb229" xlink:to="loc_us-gaap_OtherReceivables_450f9b20-2ee3-456a-bd9b-858da87c36d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNetAbstract_e1521b75-df7f-4dea-8ef7-7268d5ebd471" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryNetAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_988be334-3cb3-4c19-86a6-5062bde09c51" xlink:to="loc_us-gaap_InventoryNetAbstract_e1521b75-df7f-4dea-8ef7-7268d5ebd471" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_96e81ea1-868a-4092-8f35-97a2510ad093" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryNetAbstract_e1521b75-df7f-4dea-8ef7-7268d5ebd471" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_96e81ea1-868a-4092-8f35-97a2510ad093" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_2ab6a91a-5483-4575-81a8-481b35384e4e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryNetAbstract_e1521b75-df7f-4dea-8ef7-7268d5ebd471" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_2ab6a91a-5483-4575-81a8-481b35384e4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_d90e95e7-4d4d-4516-a6e2-1262b9aa5f13" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_988be334-3cb3-4c19-86a6-5062bde09c51" xlink:to="loc_us-gaap_OtherAssetsCurrent_d90e95e7-4d4d-4516-a6e2-1262b9aa5f13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_1012bc9b-2c0b-467a-887d-f9fccd135d1b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_988be334-3cb3-4c19-86a6-5062bde09c51" xlink:to="loc_us-gaap_AssetsCurrent_1012bc9b-2c0b-467a-887d-f9fccd135d1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_aea73e9e-f513-4027-a080-eaa683e8a692" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_aea73e9e-f513-4027-a080-eaa683e8a692" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DecommissioningFundInvestments_229a0470-c950-459f-a5da-4d1b0a1c06a2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DecommissioningFundInvestments"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_DecommissioningFundInvestments_229a0470-c950-459f-a5da-4d1b0a1c06a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_66cc66d0-4512-4c86-9b5a-d0ff9c27d18d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_66cc66d0-4512-4c86-9b5a-d0ff9c27d18d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrent_1b9fbc5b-a02a-4bad-a920-83348b7d5870" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsNoncurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_AssetsNoncurrent_1b9fbc5b-a02a-4bad-a920-83348b7d5870" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_03e1e53e-30d0-46c0-a0b9-65bee4cc5ea4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_Assets_03e1e53e-30d0-46c0-a0b9-65bee4cc5ea4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_dd885420-80e4-4468-8738-f0d6b897382b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_dd885420-80e4-4468-8738-f0d6b897382b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_f76c2949-8d87-47e9-8a36-2e01d811fe1a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_dd885420-80e4-4468-8738-f0d6b897382b" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_f76c2949-8d87-47e9-8a36-2e01d811fe1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_7d419540-6357-4ca6-8389-459116332490" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_dd885420-80e4-4468-8738-f0d6b897382b" xlink:to="loc_us-gaap_AccountsPayableCurrent_7d419540-6357-4ca6-8389-459116332490" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_f43b39d0-0a4c-49eb-affe-13f1e0c7a7a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_dd885420-80e4-4468-8738-f0d6b897382b" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_f43b39d0-0a4c-49eb-affe-13f1e0c7a7a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_bb188ef4-9176-4c68-8522-15f3e42b2706" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_dd885420-80e4-4468-8738-f0d6b897382b" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_bb188ef4-9176-4c68-8522-15f3e42b2706" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_bce4deaa-77ca-4350-b806-b63340d60f83" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_dd885420-80e4-4468-8738-f0d6b897382b" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_bce4deaa-77ca-4350-b806-b63340d60f83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_43a57fc8-33c1-4cdb-9265-1ae9f4896495" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_dd885420-80e4-4468-8738-f0d6b897382b" xlink:to="loc_us-gaap_LiabilitiesCurrent_43a57fc8-33c1-4cdb-9265-1ae9f4896495" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_92d4bc96-0417-43c5-9083-2371f0fcfbe4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_92d4bc96-0417-43c5-9083-2371f0fcfbe4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_3716800a-e1dc-441c-84f7-a889585243b6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_3716800a-e1dc-441c-84f7-a889585243b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_e79f3bf7-3703-4b5d-a759-8fda7a41eb50" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_e79f3bf7-3703-4b5d-a759-8fda7a41eb50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCreditsAndOtherLiabilitiesNoncurrent_c8a28dde-3773-401c-a8bc-c44014a7aba0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCreditsAndOtherLiabilitiesNoncurrent"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_DeferredCreditsAndOtherLiabilitiesNoncurrent_c8a28dde-3773-401c-a8bc-c44014a7aba0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_f71ceb12-c276-403f-82e4-5cceea736292" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_Liabilities_f71ceb12-c276-403f-82e4-5cceea736292" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyMarketingContractsAssetsCurrent_7135b4a0-002b-4dad-9536-60c38769b936" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EnergyMarketingContractsAssetsCurrent"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_EnergyMarketingContractsAssetsCurrent_7135b4a0-002b-4dad-9536-60c38769b936" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyMarketingContractsAssetsNoncurrent_266d0ed1-3444-4043-afb1-1e193d90e018" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EnergyMarketingContractsAssetsNoncurrent"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_us-gaap_EnergyMarketingContractsAssetsNoncurrent_266d0ed1-3444-4043-afb1-1e193d90e018" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AHFSUnrestrictedAsset_f62ac4f0-afaa-43c8-854c-f60abc49ab0f" xlink:href="ceg-20211231.xsd#ceg_AHFSUnrestrictedAsset"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_ceg_AHFSUnrestrictedAsset_f62ac4f0-afaa-43c8-854c-f60abc49ab0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PPEunrestrictedasset_576422f0-753c-43e7-832e-42dcc5645b12" xlink:href="ceg-20211231.xsd#ceg_PPEunrestrictedasset"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_41db620f-ea5e-4d11-8cd0-b8b00943c3a3" xlink:to="loc_ceg_PPEunrestrictedasset_576422f0-753c-43e7-832e-42dcc5645b12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/VariableInterestEntitiesAssetsandLiabilitiesofConsolidatedVIEsDetails_1" xlink:type="simple" xlink:href="ceg-20211231.xsd#VariableInterestEntitiesAssetsandLiabilitiesofConsolidatedVIEsDetails_1"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/VariableInterestEntitiesAssetsandLiabilitiesofConsolidatedVIEsDetails_1" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/VariableInterestEntitiesSummaryofSignificantUnconsolidatedVIEsDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#VariableInterestEntitiesSummaryofSignificantUnconsolidatedVIEsDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/VariableInterestEntitiesSummaryofSignificantUnconsolidatedVIEsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_VariableInterestEntityAbstract_f8cf1db5-dfe3-4f97-9181-7ac7288c5211" xlink:href="ceg-20211231.xsd#ceg_VariableInterestEntityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_d289ce71-0f75-412a-a437-d18d8b701967" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_VariableInterestEntityAbstract_f8cf1db5-dfe3-4f97-9181-7ac7288c5211" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_d289ce71-0f75-412a-a437-d18d8b701967" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_VariableInterestEntitiesbyInterestTypeAxis_1839aa9c-a7de-4dd8-8bf9-5a0a0f8e924d" xlink:href="ceg-20211231.xsd#ceg_VariableInterestEntitiesbyInterestTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_d289ce71-0f75-412a-a437-d18d8b701967" xlink:to="loc_ceg_VariableInterestEntitiesbyInterestTypeAxis_1839aa9c-a7de-4dd8-8bf9-5a0a0f8e924d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_VariableInterestEntitiesbyInterestTypeDomain_817dde69-92b8-444a-b20c-09a0f1a2e6a6" xlink:href="ceg-20211231.xsd#ceg_VariableInterestEntitiesbyInterestTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_VariableInterestEntitiesbyInterestTypeAxis_1839aa9c-a7de-4dd8-8bf9-5a0a0f8e924d" xlink:to="loc_ceg_VariableInterestEntitiesbyInterestTypeDomain_817dde69-92b8-444a-b20c-09a0f1a2e6a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommercialAgreementVIEMember_9f43ba81-13f8-4347-bde0-645ba3c48081" xlink:href="ceg-20211231.xsd#ceg_CommercialAgreementVIEMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_VariableInterestEntitiesbyInterestTypeDomain_817dde69-92b8-444a-b20c-09a0f1a2e6a6" xlink:to="loc_ceg_CommercialAgreementVIEMember_9f43ba81-13f8-4347-bde0-645ba3c48081" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EquityInvestmentVIEMember_ffc7d1f6-64d9-4d4e-835b-311c50001af8" xlink:href="ceg-20211231.xsd#ceg_EquityInvestmentVIEMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_VariableInterestEntitiesbyInterestTypeDomain_817dde69-92b8-444a-b20c-09a0f1a2e6a6" xlink:to="loc_ceg_EquityInvestmentVIEMember_ffc7d1f6-64d9-4d4e-835b-311c50001af8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_2afc14ac-ee83-4580-9def-2a7d505d76c6" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_d289ce71-0f75-412a-a437-d18d8b701967" xlink:to="loc_srt_ConsolidatedEntitiesAxis_2afc14ac-ee83-4580-9def-2a7d505d76c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_7228efa7-af5a-42f9-adfb-f88b5949750f" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesAxis_2afc14ac-ee83-4580-9def-2a7d505d76c6" xlink:to="loc_srt_ConsolidatedEntitiesDomain_7228efa7-af5a-42f9-adfb-f88b5949750f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommercialAgreementVIEMember_28ee9e87-790c-45c2-a8c2-4ee7d6ede008" xlink:href="ceg-20211231.xsd#ceg_CommercialAgreementVIEMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_7228efa7-af5a-42f9-adfb-f88b5949750f" xlink:to="loc_ceg_CommercialAgreementVIEMember_28ee9e87-790c-45c2-a8c2-4ee7d6ede008" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EquityInvestmentVIEMember_50d48d35-6ad3-4647-9e52-8eaf8176e1c3" xlink:href="ceg-20211231.xsd#ceg_EquityInvestmentVIEMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_7228efa7-af5a-42f9-adfb-f88b5949750f" xlink:to="loc_ceg_EquityInvestmentVIEMember_50d48d35-6ad3-4647-9e52-8eaf8176e1c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_68d491a2-b2c3-4c9d-b523-6d20468dd047" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_7228efa7-af5a-42f9-adfb-f88b5949750f" xlink:to="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_68d491a2-b2c3-4c9d-b523-6d20468dd047" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_279357b0-66ba-4fde-8a7a-1da4de6b35b2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_d289ce71-0f75-412a-a437-d18d8b701967" xlink:to="loc_us-gaap_VariableInterestEntityLineItems_279357b0-66ba-4fde-8a7a-1da4de6b35b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_c2b0494c-93ef-4547-8c3d-cfa0cfd5831b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_279357b0-66ba-4fde-8a7a-1da4de6b35b2" xlink:to="loc_us-gaap_Assets_c2b0494c-93ef-4547-8c3d-cfa0cfd5831b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_f71a576b-acca-4596-8e89-c8ff13a4bfe3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_279357b0-66ba-4fde-8a7a-1da4de6b35b2" xlink:to="loc_us-gaap_Liabilities_f71a576b-acca-4596-8e89-c8ff13a4bfe3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_InvestmentsInNonconsolidatedVariableInterestEntities_c1394670-54ab-449b-8ca2-90d4a8d1196e" xlink:href="ceg-20211231.xsd#ceg_InvestmentsInNonconsolidatedVariableInterestEntities"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_279357b0-66ba-4fde-8a7a-1da4de6b35b2" xlink:to="loc_ceg_InvestmentsInNonconsolidatedVariableInterestEntities_c1394670-54ab-449b-8ca2-90d4a8d1196e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OtherNonconsolidatedVariableInterestEntityOwnershipInterests_ea7f6850-a0a5-41d1-a847-0cb930fd0b1d" xlink:href="ceg-20211231.xsd#ceg_OtherNonconsolidatedVariableInterestEntityOwnershipInterests"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_279357b0-66ba-4fde-8a7a-1da4de6b35b2" xlink:to="loc_ceg_OtherNonconsolidatedVariableInterestEntityOwnershipInterests_ea7f6850-a0a5-41d1-a847-0cb930fd0b1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SupplementalFinancialInformation" xlink:type="simple" xlink:href="ceg-20211231.xsd#SupplementalFinancialInformation"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SupplementalFinancialInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalFinancialInformationAbstract_0bbccab2-5210-4739-b82d-a29ff3e7c5ac" xlink:href="ceg-20211231.xsd#ceg_SupplementalFinancialInformationAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalFinancialInformationDisclosureTextBlock_91966d54-d3ad-40ea-8945-43a2bb7e81b6" xlink:href="ceg-20211231.xsd#ceg_SupplementalFinancialInformationDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalFinancialInformationAbstract_0bbccab2-5210-4739-b82d-a29ff3e7c5ac" xlink:to="loc_ceg_SupplementalFinancialInformationDisclosureTextBlock_91966d54-d3ad-40ea-8945-43a2bb7e81b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SupplementalFinancialInformationTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#SupplementalFinancialInformationTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SupplementalFinancialInformationTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalFinancialInformationAbstract_049a4f09-b5b5-494e-9eff-0b2dee194404" xlink:href="ceg-20211231.xsd#ceg_SupplementalFinancialInformationAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ScheduleOfTaxesExcludingIncomeAndExciseTaxesTableTextBlock_8eff86e7-7c7e-4325-85e3-dd150d4007cb" xlink:href="ceg-20211231.xsd#ceg_ScheduleOfTaxesExcludingIncomeAndExciseTaxesTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalFinancialInformationAbstract_049a4f09-b5b5-494e-9eff-0b2dee194404" xlink:to="loc_ceg_ScheduleOfTaxesExcludingIncomeAndExciseTaxesTableTextBlock_8eff86e7-7c7e-4325-85e3-dd150d4007cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfOtherNonoperatingIncomeByComponentTextBlock_516d241d-de5b-4b6a-9018-5b6bb72e63e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfOtherNonoperatingIncomeByComponentTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalFinancialInformationAbstract_049a4f09-b5b5-494e-9eff-0b2dee194404" xlink:to="loc_us-gaap_ScheduleOfOtherNonoperatingIncomeByComponentTextBlock_516d241d-de5b-4b6a-9018-5b6bb72e63e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_b7289698-a4cf-4244-9a27-6c3b2562bf87" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalFinancialInformationAbstract_049a4f09-b5b5-494e-9eff-0b2dee194404" xlink:to="loc_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_b7289698-a4cf-4244-9a27-6c3b2562bf87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_1cb531c6-693d-41bd-9d1d-6c2f460a74f8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SupplementalBalanceSheetDisclosuresTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalFinancialInformationAbstract_049a4f09-b5b5-494e-9eff-0b2dee194404" xlink:to="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_1cb531c6-693d-41bd-9d1d-6c2f460a74f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SupplementalFinancialInformationSummaryofTaxesotherthanincomeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SupplementalFinancialInformationSummaryofTaxesotherthanincomeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SupplementalFinancialInformationSummaryofTaxesotherthanincomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract_b8d0a4f8-a32a-4b42-9851-f9076cc381ab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalStatementofOperationsInformationTable_3911e8da-3e7c-4d06-b693-6bcc3dece59d" xlink:href="ceg-20211231.xsd#ceg_SupplementalStatementofOperationsInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_b8d0a4f8-a32a-4b42-9851-f9076cc381ab" xlink:to="loc_ceg_SupplementalStatementofOperationsInformationTable_3911e8da-3e7c-4d06-b693-6bcc3dece59d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_42fa41d8-01a0-4816-82b3-a42ddb8674c1" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalStatementofOperationsInformationTable_3911e8da-3e7c-4d06-b693-6bcc3dece59d" xlink:to="loc_dei_LegalEntityAxis_42fa41d8-01a0-4816-82b3-a42ddb8674c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_dca83e21-68a3-4f52-990b-04ccd04cc7c2" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_42fa41d8-01a0-4816-82b3-a42ddb8674c1" xlink:to="loc_dei_EntityDomain_dca83e21-68a3-4f52-990b-04ccd04cc7c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_f43ad83c-8435-4432-8472-01b3aefa7f02" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_dca83e21-68a3-4f52-990b-04ccd04cc7c2" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_f43ad83c-8435-4432-8472-01b3aefa7f02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalStatementofOperationsInformationLineItems_d7a4710d-7bfc-4236-a127-71e1e9cb4e54" xlink:href="ceg-20211231.xsd#ceg_SupplementalStatementofOperationsInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalStatementofOperationsInformationTable_3911e8da-3e7c-4d06-b693-6bcc3dece59d" xlink:to="loc_ceg_SupplementalStatementofOperationsInformationLineItems_d7a4710d-7bfc-4236-a127-71e1e9cb4e54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseTaxes_ef335581-91e5-4819-a03a-b736ab9d7c8f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilitiesOperatingExpenseTaxes"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalStatementofOperationsInformationLineItems_d7a4710d-7bfc-4236-a127-71e1e9cb4e54" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseTaxes_ef335581-91e5-4819-a03a-b736ab9d7c8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTaxExpense_e2c63105-1d84-42da-995f-37320c173549" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealEstateTaxExpense"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalStatementofOperationsInformationLineItems_d7a4710d-7bfc-4236-a127-71e1e9cb4e54" xlink:to="loc_us-gaap_RealEstateTaxExpense_e2c63105-1d84-42da-995f-37320c173549" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLaborRelatedExpenses_8f8d15cb-3ae5-4d0e-9099-dacf83f9a13f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLaborRelatedExpenses"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalStatementofOperationsInformationLineItems_d7a4710d-7bfc-4236-a127-71e1e9cb4e54" xlink:to="loc_us-gaap_OtherLaborRelatedExpenses_8f8d15cb-3ae5-4d0e-9099-dacf83f9a13f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SupplementalFinancialInformationSummaryofOtherIncomeExpenseDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SupplementalFinancialInformationSummaryofOtherIncomeExpenseDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SupplementalFinancialInformationSummaryofOtherIncomeExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalFinancialInformationAbstract_337b759d-de36-4bac-a787-a914699b4a21" xlink:href="ceg-20211231.xsd#ceg_SupplementalFinancialInformationAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalStatementofOperationsInformationTable_66131167-8fa3-4629-929c-ee200ec9654e" xlink:href="ceg-20211231.xsd#ceg_SupplementalStatementofOperationsInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalFinancialInformationAbstract_337b759d-de36-4bac-a787-a914699b4a21" xlink:to="loc_ceg_SupplementalStatementofOperationsInformationTable_66131167-8fa3-4629-929c-ee200ec9654e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_8a2caee0-d0d2-4b69-9a7f-eebd70b14323" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalStatementofOperationsInformationTable_66131167-8fa3-4629-929c-ee200ec9654e" xlink:to="loc_dei_LegalEntityAxis_8a2caee0-d0d2-4b69-9a7f-eebd70b14323" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e7e11e58-4825-48e7-8f24-752ae8ea9c25" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_8a2caee0-d0d2-4b69-9a7f-eebd70b14323" xlink:to="loc_dei_EntityDomain_e7e11e58-4825-48e7-8f24-752ae8ea9c25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_7e23d86e-2976-4a0d-88d3-18536e6db12b" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_e7e11e58-4825-48e7-8f24-752ae8ea9c25" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_7e23d86e-2976-4a0d-88d3-18536e6db12b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalStatementofOperationsInformationLineItems_8e505975-8816-4047-80f4-5425c0e80852" xlink:href="ceg-20211231.xsd#ceg_SupplementalStatementofOperationsInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalStatementofOperationsInformationTable_66131167-8fa3-4629-929c-ee200ec9654e" xlink:to="loc_ceg_SupplementalStatementofOperationsInformationLineItems_8e505975-8816-4047-80f4-5425c0e80852" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_22a327df-0dfb-4c55-b272-b98be99791e1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpenseAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalStatementofOperationsInformationLineItems_8e505975-8816-4047-80f4-5425c0e80852" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_22a327df-0dfb-4c55-b272-b98be99791e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_GainLossOnNuclearDecommissioningTrustFundInvestmentsAbstract_8fcb27f0-262c-44b8-9caa-b00bd836ba7b" xlink:href="ceg-20211231.xsd#ceg_GainLossOnNuclearDecommissioningTrustFundInvestmentsAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_22a327df-0dfb-4c55-b272-b98be99791e1" xlink:to="loc_ceg_GainLossOnNuclearDecommissioningTrustFundInvestmentsAbstract_8fcb27f0-262c-44b8-9caa-b00bd836ba7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting_b7ef9a5e-b44d-4689-b286-4886b9b1f811" xlink:href="ceg-20211231.xsd#ceg_RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_GainLossOnNuclearDecommissioningTrustFundInvestmentsAbstract_8fcb27f0-262c-44b8-9caa-b00bd836ba7b" xlink:to="loc_ceg_RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting_b7ef9a5e-b44d-4689-b286-4886b9b1f811" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting_a27610ff-58b4-4431-9e95-a69ec3fad032" xlink:href="ceg-20211231.xsd#ceg_RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_GainLossOnNuclearDecommissioningTrustFundInvestmentsAbstract_8fcb27f0-262c-44b8-9caa-b00bd836ba7b" xlink:to="loc_ceg_RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting_a27610ff-58b4-4431-9e95-a69ec3fad032" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting_e64c772e-d6fd-440f-b103-61c0dee8be3a" xlink:href="ceg-20211231.xsd#ceg_UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_GainLossOnNuclearDecommissioningTrustFundInvestmentsAbstract_8fcb27f0-262c-44b8-9caa-b00bd836ba7b" xlink:to="loc_ceg_UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting_e64c772e-d6fd-440f-b103-61c0dee8be3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting_cb27692f-f5be-4c5a-bf2b-782fb07034d9" xlink:href="ceg-20211231.xsd#ceg_UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_GainLossOnNuclearDecommissioningTrustFundInvestmentsAbstract_8fcb27f0-262c-44b8-9caa-b00bd836ba7b" xlink:to="loc_ceg_UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting_cb27692f-f5be-4c5a-bf2b-782fb07034d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RegulatoryOffsetNuclearDecommissioningTrustFundActivity_fdcfcd73-9d3e-43c3-9060-4c11b4577f16" xlink:href="ceg-20211231.xsd#ceg_RegulatoryOffsetNuclearDecommissioningTrustFundActivity"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_GainLossOnNuclearDecommissioningTrustFundInvestmentsAbstract_8fcb27f0-262c-44b8-9caa-b00bd836ba7b" xlink:to="loc_ceg_RegulatoryOffsetNuclearDecommissioningTrustFundActivity_fdcfcd73-9d3e-43c3-9060-4c11b4577f16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_GainLossInvestmentIncomeNuclearDecommissioningTrustFunds_1dea9184-1e05-44cb-b4b7-1035765b22de" xlink:href="ceg-20211231.xsd#ceg_GainLossInvestmentIncomeNuclearDecommissioningTrustFunds"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_GainLossOnNuclearDecommissioningTrustFundInvestmentsAbstract_8fcb27f0-262c-44b8-9caa-b00bd836ba7b" xlink:to="loc_ceg_GainLossInvestmentIncomeNuclearDecommissioningTrustFunds_1dea9184-1e05-44cb-b4b7-1035765b22de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestments_fc8b9911-1660-41fa-917f-1a01365c9e80" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestments"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_GainLossOnNuclearDecommissioningTrustFundInvestmentsAbstract_8fcb27f0-262c-44b8-9caa-b00bd836ba7b" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestments_fc8b9911-1660-41fa-917f-1a01365c9e80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SupplementalFinancialInformationSupplementalCashFlowInformationDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SupplementalFinancialInformationSupplementalCashFlowInformationDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SupplementalFinancialInformationSupplementalCashFlowInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalFinancialInformationAbstract_a3cb9c24-021a-4d8b-8ec7-7be6b96ebfbb" xlink:href="ceg-20211231.xsd#ceg_SupplementalFinancialInformationAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalCashFlowInformationTable_4dc7fc7b-91aa-465d-be3c-9675aadfce08" xlink:href="ceg-20211231.xsd#ceg_SupplementalCashFlowInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalFinancialInformationAbstract_a3cb9c24-021a-4d8b-8ec7-7be6b96ebfbb" xlink:to="loc_ceg_SupplementalCashFlowInformationTable_4dc7fc7b-91aa-465d-be3c-9675aadfce08" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_8a5a3b08-abcf-4f4d-8e45-5d362e502fe4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalCashFlowInformationTable_4dc7fc7b-91aa-465d-be3c-9675aadfce08" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_8a5a3b08-abcf-4f4d-8e45-5d362e502fe4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3fd4282b-f4ce-43fc-b92b-45df38d01021" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_8a5a3b08-abcf-4f4d-8e45-5d362e502fe4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3fd4282b-f4ce-43fc-b92b-45df38d01021" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_44f33eaa-598b-41a6-a43f-11841e953ea3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherIntangibleAssetsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3fd4282b-f4ce-43fc-b92b-45df38d01021" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_44f33eaa-598b-41a6-a43f-11841e953ea3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_UnamortizedEnergyContractsMember_f474dcc4-2195-407e-b5c6-5f5ac8e3b34d" xlink:href="ceg-20211231.xsd#ceg_UnamortizedEnergyContractsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3fd4282b-f4ce-43fc-b92b-45df38d01021" xlink:to="loc_ceg_UnamortizedEnergyContractsMember_f474dcc4-2195-407e-b5c6-5f5ac8e3b34d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_eec28a4d-fbd5-41cb-9af9-fc5bede5e525" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalCashFlowInformationTable_4dc7fc7b-91aa-465d-be3c-9675aadfce08" xlink:to="loc_dei_LegalEntityAxis_eec28a4d-fbd5-41cb-9af9-fc5bede5e525" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_925dae21-1976-460c-863d-effedfbf6828" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_eec28a4d-fbd5-41cb-9af9-fc5bede5e525" xlink:to="loc_dei_EntityDomain_925dae21-1976-460c-863d-effedfbf6828" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_1955125c-8a7e-4041-a32e-4c7a6b6f48ca" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_925dae21-1976-460c-863d-effedfbf6828" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_1955125c-8a7e-4041-a32e-4c7a6b6f48ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalCashFlowInformationLineItems_bc8b6c6c-a52c-41d3-848c-552c73f5167c" xlink:href="ceg-20211231.xsd#ceg_SupplementalCashFlowInformationLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalCashFlowInformationTable_4dc7fc7b-91aa-465d-be3c-9675aadfce08" xlink:to="loc_ceg_SupplementalCashFlowInformationLineItems_bc8b6c6c-a52c-41d3-848c-552c73f5167c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_43b8348b-6716-49f2-a083-f473dcd5707b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNetAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalCashFlowInformationLineItems_bc8b6c6c-a52c-41d3-848c-552c73f5167c" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_43b8348b-6716-49f2-a083-f473dcd5707b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_a6ec254e-06b3-4e36-ad42-13c2b2940da1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Depreciation"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_43b8348b-6716-49f2-a083-f473dcd5707b" xlink:to="loc_us-gaap_Depreciation_a6ec254e-06b3-4e36-ad42-13c2b2940da1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_4eefab32-e8e8-4d1e-b214-cae006b90ca4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_43b8348b-6716-49f2-a083-f473dcd5707b" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_4eefab32-e8e8-4d1e-b214-cae006b90ca4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfPowerContractsEmissionCredits_923d7fd4-4371-4f66-8a41-0b4d5324b3ee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfPowerContractsEmissionCredits"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_43b8348b-6716-49f2-a083-f473dcd5707b" xlink:to="loc_us-gaap_AmortizationOfPowerContractsEmissionCredits_923d7fd4-4371-4f66-8a41-0b4d5324b3ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfNuclearFuelLease_4e227f30-2e4e-47bb-8084-6b27fdccdc8c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfNuclearFuelLease"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_43b8348b-6716-49f2-a083-f473dcd5707b" xlink:to="loc_us-gaap_AmortizationOfNuclearFuelLease_4e227f30-2e4e-47bb-8084-6b27fdccdc8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationAccretionExpense_c1ac5d72-d7d8-4efa-82c9-a4c79d224ea9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_43b8348b-6716-49f2-a083-f473dcd5707b" xlink:to="loc_us-gaap_AssetRetirementObligationAccretionExpense_c1ac5d72-d7d8-4efa-82c9-a4c79d224ea9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_b003b6cd-b509-4750-9375-46995e224dc0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNetAbstract_43b8348b-6716-49f2-a083-f473dcd5707b" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_b003b6cd-b509-4750-9375-46995e224dc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CashPaidRefundedDuringtheYearAbstract_176ff39e-a81e-474e-badb-174f9821d929" xlink:href="ceg-20211231.xsd#ceg_CashPaidRefundedDuringtheYearAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalCashFlowInformationLineItems_bc8b6c6c-a52c-41d3-848c-552c73f5167c" xlink:to="loc_ceg_CashPaidRefundedDuringtheYearAbstract_176ff39e-a81e-474e-badb-174f9821d929" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_ba247a53-b500-4912-9ac3-f6f1011cef9d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestPaidNet"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CashPaidRefundedDuringtheYearAbstract_176ff39e-a81e-474e-badb-174f9821d929" xlink:to="loc_us-gaap_InterestPaidNet_ba247a53-b500-4912-9ac3-f6f1011cef9d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_8ceeac1d-0bc3-4ab8-8c9f-545b63a19db1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_CashPaidRefundedDuringtheYearAbstract_176ff39e-a81e-474e-badb-174f9821d929" xlink:to="loc_us-gaap_IncomeTaxesPaidNet_8ceeac1d-0bc3-4ab8-8c9f-545b63a19db1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_8f9503bc-00d0-46e7-8d67-c27824a23c78" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalCashFlowInformationLineItems_bc8b6c6c-a52c-41d3-848c-552c73f5167c" xlink:to="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_8f9503bc-00d0-46e7-8d67-c27824a23c78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_3d3d3234-0030-430a-a497-6f5ff101c786" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_8f9503bc-00d0-46e7-8d67-c27824a23c78" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_3d3d3234-0030-430a-a497-6f5ff101c786" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_f790cf68-2ca7-4617-91ab-ac6928519a59" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_8f9503bc-00d0-46e7-8d67-c27824a23c78" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_f790cf68-2ca7-4617-91ab-ac6928519a59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OtherDecommissioningRelatedActivity_e462482a-c688-4b6b-b677-ad6a47a0f3bb" xlink:href="ceg-20211231.xsd#ceg_OtherDecommissioningRelatedActivity"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_8f9503bc-00d0-46e7-8d67-c27824a23c78" xlink:to="loc_ceg_OtherDecommissioningRelatedActivity_e462482a-c688-4b6b-b677-ad6a47a0f3bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EnergyRelatedOptions_88b4ba99-b728-455b-84ab-6ff22a14f912" xlink:href="ceg-20211231.xsd#ceg_EnergyRelatedOptions"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_8f9503bc-00d0-46e7-8d67-c27824a23c78" xlink:to="loc_ceg_EnergyRelatedOptions_88b4ba99-b728-455b-84ab-6ff22a14f912" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCosts_a64e9e12-c1ab-4ece-ae7d-b9a2cde00113" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCosts"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_8f9503bc-00d0-46e7-8d67-c27824a23c78" xlink:to="loc_us-gaap_RestructuringCosts_a64e9e12-c1ab-4ece-ae7d-b9a2cde00113" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_006b5d51-bc08-4ecb-b431-6bd10e12fec8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryWriteDown"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_8f9503bc-00d0-46e7-8d67-c27824a23c78" xlink:to="loc_us-gaap_InventoryWriteDown_006b5d51-bc08-4ecb-b431-6bd10e12fec8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease_c59de2db-215f-4ff3-b731-e16e00cfad02" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_8f9503bc-00d0-46e7-8d67-c27824a23c78" xlink:to="loc_us-gaap_OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease_c59de2db-215f-4ff3-b731-e16e00cfad02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c2b79377-28fb-4943-bd94-d2fb855b22b5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalCashFlowInformationLineItems_bc8b6c6c-a52c-41d3-848c-552c73f5167c" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c2b79377-28fb-4943-bd94-d2fb855b22b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_abd30e48-4bf6-4fae-bec6-87aab9a1cea9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c2b79377-28fb-4943-bd94-d2fb855b22b5" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_abd30e48-4bf6-4fae-bec6-87aab9a1cea9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_40caa393-aa57-4e6e-819c-c76e9d56fd47" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c2b79377-28fb-4943-bd94-d2fb855b22b5" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_40caa393-aa57-4e6e-819c-c76e9d56fd47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_a33fda1b-7b9e-4a2a-b5db-ce4399c43dea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c2b79377-28fb-4943-bd94-d2fb855b22b5" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_a33fda1b-7b9e-4a2a-b5db-ce4399c43dea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_36e6e7ce-9f56-4a3b-ada1-aea9eed21ac0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_c2b79377-28fb-4943-bd94-d2fb855b22b5" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_36e6e7ce-9f56-4a3b-ada1-aea9eed21ac0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SupplementalFinancialInformationSupplementalBalanceSheetInformationDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SupplementalFinancialInformationSupplementalBalanceSheetInformationDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SupplementalFinancialInformationSupplementalBalanceSheetInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalFinancialInformationAbstract_b94a333d-64f2-43fd-bc8d-dad4faf5481d" xlink:href="ceg-20211231.xsd#ceg_SupplementalFinancialInformationAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalBalanceSheetInformationTable_9e2727fb-0b6e-4706-bec4-fe761704b666" xlink:href="ceg-20211231.xsd#ceg_SupplementalBalanceSheetInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalFinancialInformationAbstract_b94a333d-64f2-43fd-bc8d-dad4faf5481d" xlink:to="loc_ceg_SupplementalBalanceSheetInformationTable_9e2727fb-0b6e-4706-bec4-fe761704b666" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_65946dda-a897-4571-8927-053263d1edc6" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationTable_9e2727fb-0b6e-4706-bec4-fe761704b666" xlink:to="loc_dei_LegalEntityAxis_65946dda-a897-4571-8927-053263d1edc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_c8d93547-7af5-47dc-b349-1836e7b0eb12" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_65946dda-a897-4571-8927-053263d1edc6" xlink:to="loc_dei_EntityDomain_c8d93547-7af5-47dc-b349-1836e7b0eb12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_b981e169-808e-4461-9551-45b2754571fb" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_c8d93547-7af5-47dc-b349-1836e7b0eb12" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_b981e169-808e-4461-9551-45b2754571fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_89fa9447-50d8-4f1d-953b-7ecf5e4048c0" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationTable_9e2727fb-0b6e-4706-bec4-fe761704b666" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_89fa9447-50d8-4f1d-953b-7ecf5e4048c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_a6b31f95-a4f0-4899-95c6-3e649216c546" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_89fa9447-50d8-4f1d-953b-7ecf5e4048c0" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_a6b31f95-a4f0-4899-95c6-3e649216c546" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OtherEquityMethodInvestmentsMember_0dc43dd3-0a97-4875-9ff4-c089a0be8e76" xlink:href="ceg-20211231.xsd#ceg_OtherEquityMethodInvestmentsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_a6b31f95-a4f0-4899-95c6-3e649216c546" xlink:to="loc_ceg_OtherEquityMethodInvestmentsMember_0dc43dd3-0a97-4875-9ff4-c089a0be8e76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_EmployeeBenefitTrustsandInvestmentsMember_95a2b788-4d49-4eba-9a60-36ef1ad46cf7" xlink:href="ceg-20211231.xsd#ceg_EmployeeBenefitTrustsandInvestmentsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_a6b31f95-a4f0-4899-95c6-3e649216c546" xlink:to="loc_ceg_EmployeeBenefitTrustsandInvestmentsMember_95a2b788-4d49-4eba-9a60-36ef1ad46cf7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OtherAvailableForSaleInvestmentsMember_17c99c3a-4788-4638-b413-08a38fdb5450" xlink:href="ceg-20211231.xsd#ceg_OtherAvailableForSaleInvestmentsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_a6b31f95-a4f0-4899-95c6-3e649216c546" xlink:to="loc_ceg_OtherAvailableForSaleInvestmentsMember_17c99c3a-4788-4638-b413-08a38fdb5450" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SupplementalBalanceSheetInformationLineItems_a348f5ee-0d52-4b51-a053-ab0ef3dae637" xlink:href="ceg-20211231.xsd#ceg_SupplementalBalanceSheetInformationLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationTable_9e2727fb-0b6e-4706-bec4-fe761704b666" xlink:to="loc_ceg_SupplementalBalanceSheetInformationLineItems_a348f5ee-0d52-4b51-a053-ab0ef3dae637" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestmentsAbstract_a7138a2d-d55f-4ee7-ab7d-c05a4e648dbf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermInvestmentsAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationLineItems_a348f5ee-0d52-4b51-a053-ab0ef3dae637" xlink:to="loc_us-gaap_LongTermInvestmentsAbstract_a7138a2d-d55f-4ee7-ab7d-c05a4e648dbf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_55b2b914-ab87-4604-ae51-38f285640363" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestments"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongTermInvestmentsAbstract_a7138a2d-d55f-4ee7-ab7d-c05a4e648dbf" xlink:to="loc_us-gaap_EquityMethodInvestments_55b2b914-ab87-4604-ae51-38f285640363" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_66b11c89-cb37-4f7f-b781-1ff2eda4b550" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Investments"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongTermInvestmentsAbstract_a7138a2d-d55f-4ee7-ab7d-c05a4e648dbf" xlink:to="loc_us-gaap_Investments_66b11c89-cb37-4f7f-b781-1ff2eda4b550" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_972f6d4a-32ab-4671-8691-a011a56c3cd3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongTermInvestmentsAbstract_a7138a2d-d55f-4ee7-ab7d-c05a4e648dbf" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_972f6d4a-32ab-4671-8691-a011a56c3cd3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_6c872aa1-aadc-4966-8957-da28ef527e2a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongTermInvestmentsAbstract_a7138a2d-d55f-4ee7-ab7d-c05a4e648dbf" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_6c872aa1-aadc-4966-8957-da28ef527e2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_438c7e5d-95f3-4618-9a24-c7d90e4926d0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermInvestments"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongTermInvestmentsAbstract_a7138a2d-d55f-4ee7-ab7d-c05a4e648dbf" xlink:to="loc_us-gaap_LongTermInvestments_438c7e5d-95f3-4618-9a24-c7d90e4926d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_2f93f7d7-7fbb-4c97-bb74-4067227a554a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationLineItems_a348f5ee-0d52-4b51-a053-ab0ef3dae637" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_2f93f7d7-7fbb-4c97-bb74-4067227a554a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AccruedCompensationCurrent_962ba156-45bc-43e8-98c7-8580b0159997" xlink:href="ceg-20211231.xsd#ceg_AccruedCompensationCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrentAbstract_2f93f7d7-7fbb-4c97-bb74-4067227a554a" xlink:to="loc_ceg_AccruedCompensationCurrent_962ba156-45bc-43e8-98c7-8580b0159997" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_0f1ed6b0-3292-4fac-9eec-620cabe04aba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SupplementalBalanceSheetInformationLineItems_a348f5ee-0d52-4b51-a053-ab0ef3dae637" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_0f1ed6b0-3292-4fac-9eec-620cabe04aba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RelatedPartyTransactions" xlink:type="simple" xlink:href="ceg-20211231.xsd#RelatedPartyTransactions"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RelatedPartyTransactions" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_213bd698-3726-4ddb-ad6f-d2aba24aa704" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_d4ecf6d7-f8db-46a4-b374-b133e77cb5df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_213bd698-3726-4ddb-ad6f-d2aba24aa704" xlink:to="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_d4ecf6d7-f8db-46a4-b374-b133e77cb5df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RelatedPartyTransactionsTables" xlink:type="simple" xlink:href="ceg-20211231.xsd#RelatedPartyTransactionsTables"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RelatedPartyTransactionsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_7ac90ba7-4306-419e-b4fb-0a72ac6e9885" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_2da69252-4745-4dcd-9825-83088a4cd450" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_7ac90ba7-4306-419e-b4fb-0a72ac6e9885" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_2da69252-4745-4dcd-9825-83088a4cd450" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RelatedPartyTransactionsBSCServiceCompaniesTableTextBlock_d81bd175-3ce0-4220-91e4-ded6237181dc" xlink:href="ceg-20211231.xsd#ceg_RelatedPartyTransactionsBSCServiceCompaniesTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_7ac90ba7-4306-419e-b4fb-0a72ac6e9885" xlink:to="loc_ceg_RelatedPartyTransactionsBSCServiceCompaniesTableTextBlock_d81bd175-3ce0-4220-91e4-ded6237181dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesTableTextBlock_9d943cd7-a595-44ab-84af-ab05dedcf462" xlink:href="ceg-20211231.xsd#ceg_RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_7ac90ba7-4306-419e-b4fb-0a72ac6e9885" xlink:to="loc_ceg_RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesTableTextBlock_9d943cd7-a595-44ab-84af-ab05dedcf462" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesTableTextBlock_93dd8d08-cb81-4170-9ba8-4378f6ae2fe9" xlink:href="ceg-20211231.xsd#ceg_RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesTableTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_7ac90ba7-4306-419e-b4fb-0a72ac6e9885" xlink:to="loc_ceg_RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesTableTextBlock_93dd8d08-cb81-4170-9ba8-4378f6ae2fe9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RelatedPartyTransactionsOperatingRevenuesandPurchasedPowerandFuelFromAffiliatesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#RelatedPartyTransactionsOperatingRevenuesandPurchasedPowerandFuelFromAffiliatesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RelatedPartyTransactionsOperatingRevenuesandPurchasedPowerandFuelFromAffiliatesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_f827fdce-4104-4dbc-a1cc-c64a41c90b9a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_66365058-e211-4d85-80d9-63f154c2d140" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_f827fdce-4104-4dbc-a1cc-c64a41c90b9a" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_66365058-e211-4d85-80d9-63f154c2d140" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_4bd1f26f-f8a2-46f2-b4ba-a64dea899b87" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_66365058-e211-4d85-80d9-63f154c2d140" xlink:to="loc_dei_LegalEntityAxis_4bd1f26f-f8a2-46f2-b4ba-a64dea899b87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_3576ec88-0475-47e8-be57-b4a38f2e1477" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_4bd1f26f-f8a2-46f2-b4ba-a64dea899b87" xlink:to="loc_dei_EntityDomain_3576ec88-0475-47e8-be57-b4a38f2e1477" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_bd3a00f8-35d3-49e7-ad82-ebdd8c6b7568" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3576ec88-0475-47e8-be57-b4a38f2e1477" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_bd3a00f8-35d3-49e7-ad82-ebdd8c6b7568" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_01c25f21-cb62-49a3-b210-bf83988d7bff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_66365058-e211-4d85-80d9-63f154c2d140" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_01c25f21-cb62-49a3-b210-bf83988d7bff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_d04aeae4-053d-4add-9471-2b8512da25cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_01c25f21-cb62-49a3-b210-bf83988d7bff" xlink:to="loc_us-gaap_RelatedPartyDomain_d04aeae4-053d-4add-9471-2b8512da25cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonwealthEdisonCoAffiliateMember_8d6b661e-9d23-4ca3-a264-7b635251b6cc" xlink:href="ceg-20211231.xsd#ceg_CommonwealthEdisonCoAffiliateMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_d04aeae4-053d-4add-9471-2b8512da25cd" xlink:to="loc_ceg_CommonwealthEdisonCoAffiliateMember_8d6b661e-9d23-4ca3-a264-7b635251b6cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PecoEnergyCoAffiliateMember_929842db-abd3-4530-a1c2-efbb90198c66" xlink:href="ceg-20211231.xsd#ceg_PecoEnergyCoAffiliateMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_d04aeae4-053d-4add-9471-2b8512da25cd" xlink:to="loc_ceg_PecoEnergyCoAffiliateMember_929842db-abd3-4530-a1c2-efbb90198c66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BaltimoreGasAndElectricCompanyAffiliateMember_ebaaa115-47ad-4be2-a54e-aca48a1ae033" xlink:href="ceg-20211231.xsd#ceg_BaltimoreGasAndElectricCompanyAffiliateMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_d04aeae4-053d-4add-9471-2b8512da25cd" xlink:to="loc_ceg_BaltimoreGasAndElectricCompanyAffiliateMember_ebaaa115-47ad-4be2-a54e-aca48a1ae033" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PepcoHoldingsLLCAffiliateMember_0e93728f-d5d0-4bb9-a955-1dd133aa842f" xlink:href="ceg-20211231.xsd#ceg_PepcoHoldingsLLCAffiliateMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_d04aeae4-053d-4add-9471-2b8512da25cd" xlink:to="loc_ceg_PepcoHoldingsLLCAffiliateMember_0e93728f-d5d0-4bb9-a955-1dd133aa842f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PotomacElectricPowerCoAffiliateMember_62041f5e-767e-490e-86bb-422892b59702" xlink:href="ceg-20211231.xsd#ceg_PotomacElectricPowerCoAffiliateMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_d04aeae4-053d-4add-9471-2b8512da25cd" xlink:to="loc_ceg_PotomacElectricPowerCoAffiliateMember_62041f5e-767e-490e-86bb-422892b59702" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DelmarvaPowerandLightCoAffiliateMember_0e9ea18e-b4fc-4ceb-9b34-e13392bd573b" xlink:href="ceg-20211231.xsd#ceg_DelmarvaPowerandLightCoAffiliateMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_d04aeae4-053d-4add-9471-2b8512da25cd" xlink:to="loc_ceg_DelmarvaPowerandLightCoAffiliateMember_0e9ea18e-b4fc-4ceb-9b34-e13392bd573b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AtlanticCityElectricCoAffiliateMember_6bdcfd1d-cc99-4785-b6b6-c4239e5743c0" xlink:href="ceg-20211231.xsd#ceg_AtlanticCityElectricCoAffiliateMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_d04aeae4-053d-4add-9471-2b8512da25cd" xlink:to="loc_ceg_AtlanticCityElectricCoAffiliateMember_6bdcfd1d-cc99-4785-b6b6-c4239e5743c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExelonBusinessServicesCoAffiliateMember_be690b5d-a147-4473-b345-66cc84628334" xlink:href="ceg-20211231.xsd#ceg_ExelonBusinessServicesCoAffiliateMember"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_d04aeae4-053d-4add-9471-2b8512da25cd" xlink:to="loc_ceg_ExelonBusinessServicesCoAffiliateMember_be690b5d-a147-4473-b345-66cc84628334" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_22b93025-fdf9-470e-b497-b8266e3250a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_66365058-e211-4d85-80d9-63f154c2d140" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_22b93025-fdf9-470e-b497-b8266e3250a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_9c765e87-dab8-4489-b791-5e75c7192e5a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromRelatedParties"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_22b93025-fdf9-470e-b497-b8266e3250a5" xlink:to="loc_us-gaap_RevenueFromRelatedParties_9c765e87-dab8-4489-b791-5e75c7192e5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RelatedPartyTransactionsBSCServiceCompaniesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#RelatedPartyTransactionsBSCServiceCompaniesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RelatedPartyTransactionsBSCServiceCompaniesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_bf95547a-a287-48b1-9266-68ff3bffc54f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3ca1de64-95dd-4824-bf01-d037dfce2f5f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_bf95547a-a287-48b1-9266-68ff3bffc54f" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3ca1de64-95dd-4824-bf01-d037dfce2f5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_70083ace-a53c-45e6-b3a6-c9a376fa943e" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3ca1de64-95dd-4824-bf01-d037dfce2f5f" xlink:to="loc_dei_LegalEntityAxis_70083ace-a53c-45e6-b3a6-c9a376fa943e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_34828fc9-52d8-4c5b-a7aa-66565162eda7" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_70083ace-a53c-45e6-b3a6-c9a376fa943e" xlink:to="loc_dei_EntityDomain_34828fc9-52d8-4c5b-a7aa-66565162eda7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_e0f8894c-401f-47a1-9d34-f3313b5faa0f" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_34828fc9-52d8-4c5b-a7aa-66565162eda7" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_e0f8894c-401f-47a1-9d34-f3313b5faa0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_d0399b4c-c0ee-40d0-8d28-efd05ec21c49" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3ca1de64-95dd-4824-bf01-d037dfce2f5f" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_d0399b4c-c0ee-40d0-8d28-efd05ec21c49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_36d62244-6a90-4ee5-91b4-10a5f622255d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_d0399b4c-c0ee-40d0-8d28-efd05ec21c49" xlink:to="loc_us-gaap_RelatedPartyDomain_36d62244-6a90-4ee5-91b4-10a5f622255d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExelonBusinessServicesCoAffiliateMember_779250b7-64f7-4e9a-8885-186d1f522ee2" xlink:href="ceg-20211231.xsd#ceg_ExelonBusinessServicesCoAffiliateMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_36d62244-6a90-4ee5-91b4-10a5f622255d" xlink:to="loc_ceg_ExelonBusinessServicesCoAffiliateMember_779250b7-64f7-4e9a-8885-186d1f522ee2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_406d640f-8605-490e-954d-d6742ad1d0b9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3ca1de64-95dd-4824-bf01-d037dfce2f5f" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_406d640f-8605-490e-954d-d6742ad1d0b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_3164ab08-aeb1-4730-b1d3-17ba53bdcdce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_406d640f-8605-490e-954d-d6742ad1d0b9" xlink:to="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_3164ab08-aeb1-4730-b1d3-17ba53bdcdce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_RelatedPartyTransactionCapitalizedCostsSupportServices_0c7697f5-976f-4768-88c4-a604da6ff68b" xlink:href="ceg-20211231.xsd#ceg_RelatedPartyTransactionCapitalizedCostsSupportServices"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_406d640f-8605-490e-954d-d6742ad1d0b9" xlink:to="loc_ceg_RelatedPartyTransactionCapitalizedCostsSupportServices_0c7697f5-976f-4768-88c4-a604da6ff68b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RelatedPartyTransactionsCurrentReceivablesFromPayablesToAffiliatesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_7dd9baf7-3040-4d83-85cd-c55d2f0b45dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_dc2be2c4-f1cc-482f-99fa-9acc9c93232a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_7dd9baf7-3040-4d83-85cd-c55d2f0b45dd" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_dc2be2c4-f1cc-482f-99fa-9acc9c93232a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_60785c7f-69ff-40cd-aeb6-461136e4c25a" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_dc2be2c4-f1cc-482f-99fa-9acc9c93232a" xlink:to="loc_dei_LegalEntityAxis_60785c7f-69ff-40cd-aeb6-461136e4c25a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_8230645e-faff-44ea-b5e0-902b6326b553" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_60785c7f-69ff-40cd-aeb6-461136e4c25a" xlink:to="loc_dei_EntityDomain_8230645e-faff-44ea-b5e0-902b6326b553" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_a85ce87b-9a39-401b-9447-ea1cbc630af0" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8230645e-faff-44ea-b5e0-902b6326b553" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_a85ce87b-9a39-401b-9447-ea1cbc630af0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonwealthEdisonCoMember_32322a57-b5dd-47ba-b62b-e03847b13034" xlink:href="ceg-20211231.xsd#ceg_CommonwealthEdisonCoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8230645e-faff-44ea-b5e0-902b6326b553" xlink:to="loc_ceg_CommonwealthEdisonCoMember_32322a57-b5dd-47ba-b62b-e03847b13034" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PecoEnergyCoMember_739fa19b-f159-41ec-95d4-7582258bded0" xlink:href="ceg-20211231.xsd#ceg_PecoEnergyCoMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8230645e-faff-44ea-b5e0-902b6326b553" xlink:to="loc_ceg_PecoEnergyCoMember_739fa19b-f159-41ec-95d4-7582258bded0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BaltimoreGasAndElectricCompanyMember_230dff31-d61b-4434-b700-09f9a90edbc8" xlink:href="ceg-20211231.xsd#ceg_BaltimoreGasAndElectricCompanyMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8230645e-faff-44ea-b5e0-902b6326b553" xlink:to="loc_ceg_BaltimoreGasAndElectricCompanyMember_230dff31-d61b-4434-b700-09f9a90edbc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PotomacElectricPowerCompanyMember_3b0dd153-a36f-49e7-8d4f-f7a46d0f54bd" xlink:href="ceg-20211231.xsd#ceg_PotomacElectricPowerCompanyMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8230645e-faff-44ea-b5e0-902b6326b553" xlink:to="loc_ceg_PotomacElectricPowerCompanyMember_3b0dd153-a36f-49e7-8d4f-f7a46d0f54bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DelmarvaPowerLightCoMember_590b13c7-28d2-4a1b-887e-af250af19917" xlink:href="ceg-20211231.xsd#ceg_DelmarvaPowerLightCoMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8230645e-faff-44ea-b5e0-902b6326b553" xlink:to="loc_ceg_DelmarvaPowerLightCoMember_590b13c7-28d2-4a1b-887e-af250af19917" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AtlanticCityElectricCompanyMember_4791a47f-2288-4273-840b-8ee30f55a024" xlink:href="ceg-20211231.xsd#ceg_AtlanticCityElectricCompanyMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8230645e-faff-44ea-b5e0-902b6326b553" xlink:to="loc_ceg_AtlanticCityElectricCompanyMember_4791a47f-2288-4273-840b-8ee30f55a024" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BusinessServicesCompanyMember_d9868ca2-7db0-4ebc-9c39-90e60ef1b1e5" xlink:href="ceg-20211231.xsd#ceg_BusinessServicesCompanyMember"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8230645e-faff-44ea-b5e0-902b6326b553" xlink:to="loc_ceg_BusinessServicesCompanyMember_d9868ca2-7db0-4ebc-9c39-90e60ef1b1e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OtherLegalEntitiesMember_9506ae96-6d13-4166-a661-0c56e84ce4dc" xlink:href="ceg-20211231.xsd#ceg_OtherLegalEntitiesMember"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_8230645e-faff-44ea-b5e0-902b6326b553" xlink:to="loc_ceg_OtherLegalEntitiesMember_9506ae96-6d13-4166-a661-0c56e84ce4dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_8ba514aa-d7ce-4059-8d28-56471ea45c89" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_dc2be2c4-f1cc-482f-99fa-9acc9c93232a" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_8ba514aa-d7ce-4059-8d28-56471ea45c89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_5cedc918-1bec-42f3-9bf8-6e762bf5fada" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_8ba514aa-d7ce-4059-8d28-56471ea45c89" xlink:to="loc_us-gaap_RelatedPartyDomain_5cedc918-1bec-42f3-9bf8-6e762bf5fada" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonwealthEdisonCoAffiliateMember_b72f6074-32dc-4345-978d-8be03c01b744" xlink:href="ceg-20211231.xsd#ceg_CommonwealthEdisonCoAffiliateMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_5cedc918-1bec-42f3-9bf8-6e762bf5fada" xlink:to="loc_ceg_CommonwealthEdisonCoAffiliateMember_b72f6074-32dc-4345-978d-8be03c01b744" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PecoEnergyCoAffiliateMember_9c456908-b57d-4ab8-b855-f1d8f25c6979" xlink:href="ceg-20211231.xsd#ceg_PecoEnergyCoAffiliateMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_5cedc918-1bec-42f3-9bf8-6e762bf5fada" xlink:to="loc_ceg_PecoEnergyCoAffiliateMember_9c456908-b57d-4ab8-b855-f1d8f25c6979" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BaltimoreGasAndElectricCompanyAffiliateMember_7fa783ef-e9d1-4a52-ab58-2d3867283a0c" xlink:href="ceg-20211231.xsd#ceg_BaltimoreGasAndElectricCompanyAffiliateMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_5cedc918-1bec-42f3-9bf8-6e762bf5fada" xlink:to="loc_ceg_BaltimoreGasAndElectricCompanyAffiliateMember_7fa783ef-e9d1-4a52-ab58-2d3867283a0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PotomacElectricPowerCoAffiliateMember_c526e7af-e2fe-4e1c-9a00-cf6022d64bfd" xlink:href="ceg-20211231.xsd#ceg_PotomacElectricPowerCoAffiliateMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_5cedc918-1bec-42f3-9bf8-6e762bf5fada" xlink:to="loc_ceg_PotomacElectricPowerCoAffiliateMember_c526e7af-e2fe-4e1c-9a00-cf6022d64bfd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_DelmarvaPowerandLightCoAffiliateMember_94666f58-813d-4af6-b85f-98c3cbe779e6" xlink:href="ceg-20211231.xsd#ceg_DelmarvaPowerandLightCoAffiliateMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_5cedc918-1bec-42f3-9bf8-6e762bf5fada" xlink:to="loc_ceg_DelmarvaPowerandLightCoAffiliateMember_94666f58-813d-4af6-b85f-98c3cbe779e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_AtlanticCityElectricCoAffiliateMember_06a5139f-acc6-4ca5-81a8-c628d7c8d239" xlink:href="ceg-20211231.xsd#ceg_AtlanticCityElectricCoAffiliateMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_5cedc918-1bec-42f3-9bf8-6e762bf5fada" xlink:to="loc_ceg_AtlanticCityElectricCoAffiliateMember_06a5139f-acc6-4ca5-81a8-c628d7c8d239" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExelonBusinessServicesCoAffiliateMember_e7b32e97-5457-4035-af11-00675b341d58" xlink:href="ceg-20211231.xsd#ceg_ExelonBusinessServicesCoAffiliateMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_5cedc918-1bec-42f3-9bf8-6e762bf5fada" xlink:to="loc_ceg_ExelonBusinessServicesCoAffiliateMember_e7b32e97-5457-4035-af11-00675b341d58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_OtherAffiliateMember_a21a136c-1aa8-445b-9e98-cca36562e064" xlink:href="ceg-20211231.xsd#ceg_OtherAffiliateMember"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_5cedc918-1bec-42f3-9bf8-6e762bf5fada" xlink:to="loc_ceg_OtherAffiliateMember_a21a136c-1aa8-445b-9e98-cca36562e064" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_69b9e432-8027-48e9-a746-c58ed169b354" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_5cedc918-1bec-42f3-9bf8-6e762bf5fada" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_69b9e432-8027-48e9-a746-c58ed169b354" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_84e9d2dc-5cca-4f0c-987e-de09d9f5676e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_dc2be2c4-f1cc-482f-99fa-9acc9c93232a" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_84e9d2dc-5cca-4f0c-987e-de09d9f5676e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent_71ac1836-1fe2-4c51-b6af-8042e9797b5e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_84e9d2dc-5cca-4f0c-987e-de09d9f5676e" xlink:to="loc_us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrent_71ac1836-1fe2-4c51-b6af-8042e9797b5e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_bbaba3bc-3147-4758-ba46-22fbcd4124c2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableRelatedPartiesCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_84e9d2dc-5cca-4f0c-987e-de09d9f5676e" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_bbaba3bc-3147-4758-ba46-22fbcd4124c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_a2834417-8dcc-45f8-8a69-656c2d16d93e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableRelatedPartiesCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_84e9d2dc-5cca-4f0c-987e-de09d9f5676e" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_a2834417-8dcc-45f8-8a69-656c2d16d93e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/RelatedPartyTransactionsNoncurrentReceivablesfromPayablestoaffiliatesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_88afb43b-b247-4026-8e28-8c871e756462" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_5c549cc3-452b-4b38-9bf5-6b238b3c4c82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_88afb43b-b247-4026-8e28-8c871e756462" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_5c549cc3-452b-4b38-9bf5-6b238b3c4c82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_2364ee7a-8574-4e0f-ab1d-686bcc606f3b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_5c549cc3-452b-4b38-9bf5-6b238b3c4c82" xlink:to="loc_dei_LegalEntityAxis_2364ee7a-8574-4e0f-ab1d-686bcc606f3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_f2c94076-099a-4c14-9f45-b203fb1029e9" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_2364ee7a-8574-4e0f-ab1d-686bcc606f3b" xlink:to="loc_dei_EntityDomain_f2c94076-099a-4c14-9f45-b203fb1029e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_d3288882-1523-4252-89ff-4886d3803033" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f2c94076-099a-4c14-9f45-b203fb1029e9" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_d3288882-1523-4252-89ff-4886d3803033" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_bf6c529c-ee39-4138-878d-2821a612e930" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_5c549cc3-452b-4b38-9bf5-6b238b3c4c82" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_bf6c529c-ee39-4138-878d-2821a612e930" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_f488a724-b6f1-4ffd-b01f-d8feca876395" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_bf6c529c-ee39-4138-878d-2821a612e930" xlink:to="loc_us-gaap_RelatedPartyDomain_f488a724-b6f1-4ffd-b01f-d8feca876395" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_CommonwealthEdisonCoAffiliateMember_221b511b-4331-4b37-9663-9ff5f601262b" xlink:href="ceg-20211231.xsd#ceg_CommonwealthEdisonCoAffiliateMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_f488a724-b6f1-4ffd-b01f-d8feca876395" xlink:to="loc_ceg_CommonwealthEdisonCoAffiliateMember_221b511b-4331-4b37-9663-9ff5f601262b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_PecoEnergyCoAffiliateMember_aaf99742-2c0c-422f-8505-34376fda8773" xlink:href="ceg-20211231.xsd#ceg_PecoEnergyCoAffiliateMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_f488a724-b6f1-4ffd-b01f-d8feca876395" xlink:to="loc_ceg_PecoEnergyCoAffiliateMember_aaf99742-2c0c-422f-8505-34376fda8773" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_4ac4e26b-18e2-4930-b97e-ee5ad2aaaa65" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_5c549cc3-452b-4b38-9bf5-6b238b3c4c82" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_4ac4e26b-18e2-4930-b97e-ee5ad2aaaa65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesNoncurrent_3da71bd5-666f-4896-aaca-b2a4d55aab36" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableRelatedPartiesNoncurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_4ac4e26b-18e2-4930-b97e-ee5ad2aaaa65" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesNoncurrent_3da71bd5-666f-4896-aaca-b2a4d55aab36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SeparationfromExelon" xlink:type="simple" xlink:href="ceg-20211231.xsd#SeparationfromExelon"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SeparationfromExelon" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BusinessSeparationAbstract_bd4d132b-472c-40df-98a3-298c489d72d8" xlink:href="ceg-20211231.xsd#ceg_BusinessSeparationAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SeparationTextBlock_8049d896-4626-4aa7-8269-94dbeb8d3e00" xlink:href="ceg-20211231.xsd#ceg_SeparationTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_BusinessSeparationAbstract_bd4d132b-472c-40df-98a3-298c489d72d8" xlink:to="loc_ceg_SeparationTextBlock_8049d896-4626-4aa7-8269-94dbeb8d3e00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/SeparationfromExelonNarrativeDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#SeparationfromExelonNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/SeparationfromExelonNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ceg_BusinessSeparationAbstract_35891f9f-f5ea-440d-87ee-f7689fcfdd53" xlink:href="ceg-20211231.xsd#ceg_BusinessSeparationAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SubsequentEventsTable_7af67d8c-ce69-4b26-a668-b063e51ea569" xlink:href="ceg-20211231.xsd#ceg_SubsequentEventsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_BusinessSeparationAbstract_35891f9f-f5ea-440d-87ee-f7689fcfdd53" xlink:to="loc_ceg_SubsequentEventsTable_7af67d8c-ce69-4b26-a668-b063e51ea569" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_27e07c42-6b66-4f8f-abe5-8881ffea49f2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsTable_7af67d8c-ce69-4b26-a668-b063e51ea569" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_27e07c42-6b66-4f8f-abe5-8881ffea49f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_f3e4f7a6-6baa-44ac-aef8-aa912f098083" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_27e07c42-6b66-4f8f-abe5-8881ffea49f2" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_f3e4f7a6-6baa-44ac-aef8-aa912f098083" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_c8e41846-08bb-4692-b9a3-b8ad2fbc435b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_f3e4f7a6-6baa-44ac-aef8-aa912f098083" xlink:to="loc_us-gaap_SubsequentEventMember_c8e41846-08bb-4692-b9a3-b8ad2fbc435b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_dd4b31e6-06a3-4eac-bce5-fca6266680b2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsTable_7af67d8c-ce69-4b26-a668-b063e51ea569" xlink:to="loc_us-gaap_DebtInstrumentAxis_dd4b31e6-06a3-4eac-bce5-fca6266680b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_c640d18a-5b54-4d2f-a347-19f8a17e8037" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_dd4b31e6-06a3-4eac-bce5-fca6266680b2" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_c640d18a-5b54-4d2f-a347-19f8a17e8037" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ShortTermDebt03192020Member_64459848-bb71-43b8-bb16-28190eb7b889" xlink:href="ceg-20211231.xsd#ceg_ShortTermDebt03192020Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_c640d18a-5b54-4d2f-a347-19f8a17e8037" xlink:to="loc_ceg_ShortTermDebt03192020Member_64459848-bb71-43b8-bb16-28190eb7b889" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_4b2058d2-d785-4641-b0a7-154c7e5b54a8" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsTable_7af67d8c-ce69-4b26-a668-b063e51ea569" xlink:to="loc_dei_LegalEntityAxis_4b2058d2-d785-4641-b0a7-154c7e5b54a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_dd154a12-cec7-4e38-8850-fd105154e195" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_4b2058d2-d785-4641-b0a7-154c7e5b54a8" xlink:to="loc_dei_EntityDomain_dd154a12-cec7-4e38-8850-fd105154e195" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_125e3901-8aa8-4850-87f6-5ed10c904b8a" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_dd154a12-cec7-4e38-8850-fd105154e195" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_125e3901-8aa8-4850-87f6-5ed10c904b8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityAxis_c5c5bee5-6879-48eb-a387-8e058444841b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilityAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsTable_7af67d8c-ce69-4b26-a668-b063e51ea569" xlink:to="loc_us-gaap_PublicUtilityAxis_c5c5bee5-6879-48eb-a387-8e058444841b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilityPlantDomain_130c5756-87b2-46f0-a31c-20f0d407e24a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UtilityPlantDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PublicUtilityAxis_c5c5bee5-6879-48eb-a387-8e058444841b" xlink:to="loc_us-gaap_UtilityPlantDomain_130c5756-87b2-46f0-a31c-20f0d407e24a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_NineMilePointMember_5579a822-833d-4efc-abff-ebbfeda6dbcb" xlink:href="ceg-20211231.xsd#ceg_NineMilePointMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UtilityPlantDomain_130c5756-87b2-46f0-a31c-20f0d407e24a" xlink:to="loc_ceg_NineMilePointMember_5579a822-833d-4efc-abff-ebbfeda6dbcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_29b5314b-9fdc-4f4c-8360-0e8008d1eff9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsTable_7af67d8c-ce69-4b26-a668-b063e51ea569" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_29b5314b-9fdc-4f4c-8360-0e8008d1eff9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_b3a1b769-0f5b-431b-b751-ee620f09a077" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_29b5314b-9fdc-4f4c-8360-0e8008d1eff9" xlink:to="loc_us-gaap_RelatedPartyDomain_b3a1b769-0f5b-431b-b751-ee620f09a077" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ExelonConsolidationMember_5b2d3faf-dc0a-4761-809c-d97e67c1a592" xlink:href="ceg-20211231.xsd#ceg_ExelonConsolidationMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_b3a1b769-0f5b-431b-b751-ee620f09a077" xlink:to="loc_ceg_ExelonConsolidationMember_5b2d3faf-dc0a-4761-809c-d97e67c1a592" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SubsequentEventsLineItems_4d47ab41-7226-428e-b252-223ef75118f9" xlink:href="ceg-20211231.xsd#ceg_SubsequentEventsLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsTable_7af67d8c-ce69-4b26-a668-b063e51ea569" xlink:to="loc_ceg_SubsequentEventsLineItems_4d47ab41-7226-428e-b252-223ef75118f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DecommissioningFundInvestments_d4510c0d-ba75-4c58-bef9-d2333369857e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DecommissioningFundInvestments"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsLineItems_4d47ab41-7226-428e-b252-223ef75118f9" xlink:to="loc_us-gaap_DecommissioningFundInvestments_d4510c0d-ba75-4c58-bef9-d2333369857e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_SeparationCashPayment_bd0fb8b1-9998-4209-9a5d-88f99fc65ecc" xlink:href="ceg-20211231.xsd#ceg_SeparationCashPayment"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsLineItems_4d47ab41-7226-428e-b252-223ef75118f9" xlink:to="loc_ceg_SeparationCashPayment_bd0fb8b1-9998-4209-9a5d-88f99fc65ecc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToAffiliateNoncurrent_e4317941-04cd-4d35-b34c-f44029b09d36" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueToAffiliateNoncurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsLineItems_4d47ab41-7226-428e-b252-223ef75118f9" xlink:to="loc_us-gaap_DueToAffiliateNoncurrent_e4317941-04cd-4d35-b34c-f44029b09d36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBankLoansAndNotesPayable_ad70665c-311e-4687-b559-4e9d2b1115c1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermBankLoansAndNotesPayable"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsLineItems_4d47ab41-7226-428e-b252-223ef75118f9" xlink:to="loc_us-gaap_ShortTermBankLoansAndNotesPayable_ad70665c-311e-4687-b559-4e9d2b1115c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsTransferredToFromPlan_88af89e3-46e9-4a04-b2f1-905e7322efde" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanAssetsTransferredToFromPlan"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsLineItems_4d47ab41-7226-428e-b252-223ef75118f9" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsTransferredToFromPlan_88af89e3-46e9-4a04-b2f1-905e7322efde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_19253403-1bce-4809-9d5b-145e04e5fa73" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_ceg_SubsequentEventsLineItems_4d47ab41-7226-428e-b252-223ef75118f9" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_19253403-1bce-4809-9d5b-145e04e5fa73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ScheduleIIValuationandQualifyingAccounts" xlink:type="simple" xlink:href="ceg-20211231.xsd#ScheduleIIValuationandQualifyingAccounts"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ScheduleIIValuationandQualifyingAccounts" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_srt_ValuationAndQualifyingAccountsAbstract_b70bddcd-c78a-4f9f-bbe2-f1d96cd04b76" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ValuationAndQualifyingAccountsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_a09d62f3-d380-45f8-a639-f4b1e344ab08" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ValuationAndQualifyingAccountsAbstract_b70bddcd-c78a-4f9f-bbe2-f1d96cd04b76" xlink:to="loc_srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_a09d62f3-d380-45f8-a639-f4b1e344ab08" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.constellationenergy.com/role/ScheduleIIValuationandQualifyingAccountsScheduleDetails" xlink:type="simple" xlink:href="ceg-20211231.xsd#ScheduleIIValuationandQualifyingAccountsScheduleDetails"/>
  <link:presentationLink xlink:role="http://www.constellationenergy.com/role/ScheduleIIValuationandQualifyingAccountsScheduleDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_srt_ValuationAndQualifyingAccountsAbstract_3b40fb5d-2438-4cb0-a44c-835ed7adc690" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ValuationAndQualifyingAccountsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_8caeeb1a-f9c7-492e-a126-27b80c1a0c20" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ValuationAndQualifyingAccountsDisclosureTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ValuationAndQualifyingAccountsAbstract_3b40fb5d-2438-4cb0-a44c-835ed7adc690" xlink:to="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_8caeeb1a-f9c7-492e-a126-27b80c1a0c20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_76cf6356-f5ee-4292-b2b0-94082e9d41fc" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_8caeeb1a-f9c7-492e-a126-27b80c1a0c20" xlink:to="loc_dei_LegalEntityAxis_76cf6356-f5ee-4292-b2b0-94082e9d41fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_1d7fc546-b247-4c03-a4af-29b49a94a479" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_76cf6356-f5ee-4292-b2b0-94082e9d41fc" xlink:to="loc_dei_EntityDomain_1d7fc546-b247-4c03-a4af-29b49a94a479" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ceg_ConstellationEnergyGenerationLLCMember_f7c5ad66-28dd-49d8-a2ab-38f26443f79c" xlink:href="ceg-20211231.xsd#ceg_ConstellationEnergyGenerationLLCMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_1d7fc546-b247-4c03-a4af-29b49a94a479" xlink:to="loc_ceg_ConstellationEnergyGenerationLLCMember_f7c5ad66-28dd-49d8-a2ab-38f26443f79c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_18bcc73f-e736-47c9-b2b4-732e0137a5a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_8caeeb1a-f9c7-492e-a126-27b80c1a0c20" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_18bcc73f-e736-47c9-b2b4-732e0137a5a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_a46edeb9-c0d9-4858-b8fc-eb88d4aafd79" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_18bcc73f-e736-47c9-b2b4-732e0137a5a3" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_a46edeb9-c0d9-4858-b8fc-eb88d4aafd79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForCreditLossMember_7f5b9c4d-cbb7-4828-bf7f-9bf41c482e99" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForCreditLossMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_a46edeb9-c0d9-4858-b8fc-eb88d4aafd79" xlink:to="loc_us-gaap_AllowanceForCreditLossMember_7f5b9c4d-cbb7-4828-bf7f-9bf41c482e99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_48e77876-af87-46a7-aa78-f9c36a006e26" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_a46edeb9-c0d9-4858-b8fc-eb88d4aafd79" xlink:to="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_48e77876-af87-46a7-aa78-f9c36a006e26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserveMember_84a4a5f6-94ba-4d37-96d9-23f3e08f5ed5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryValuationReserveMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_a46edeb9-c0d9-4858-b8fc-eb88d4aafd79" xlink:to="loc_us-gaap_InventoryValuationReserveMember_84a4a5f6-94ba-4d37-96d9-23f3e08f5ed5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ValuationAndQualifyingAccountsDisclosureLineItems_e028c490-d50c-4cca-87a7-3ac495985405" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ValuationAndQualifyingAccountsDisclosureLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ValuationAndQualifyingAccountsDisclosureTable_8caeeb1a-f9c7-492e-a126-27b80c1a0c20" xlink:to="loc_srt_ValuationAndQualifyingAccountsDisclosureLineItems_e028c490-d50c-4cca-87a7-3ac495985405" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_9ee6af43-68f6-42bd-9ce9-e5952ba6d1e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ValuationAndQualifyingAccountsDisclosureLineItems_e028c490-d50c-4cca-87a7-3ac495985405" xlink:to="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_9ee6af43-68f6-42bd-9ce9-e5952ba6d1e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_6ef6b658-1e34-4ec0-a4ad-014186e7fd82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_9ee6af43-68f6-42bd-9ce9-e5952ba6d1e9" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_6ef6b658-1e34-4ec0-a4ad-014186e7fd82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_674653d5-4dce-4e05-80db-79ab65ac33ec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_9ee6af43-68f6-42bd-9ce9-e5952ba6d1e9" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_674653d5-4dce-4e05-80db-79ab65ac33ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_cf8622e1-7cfd-4e77-8943-3c9fcf2d9659" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_9ee6af43-68f6-42bd-9ce9-e5952ba6d1e9" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_cf8622e1-7cfd-4e77-8943-3c9fcf2d9659" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDeductions_d2a09a03-e32d-4f5c-b9c5-b83702668a36" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_9ee6af43-68f6-42bd-9ce9-e5952ba6d1e9" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDeductions_d2a09a03-e32d-4f5c-b9c5-b83702668a36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesBalance_f52813ac-d670-4bef-8e5d-684f89727dc6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInValuationAllowancesAndReservesRollForward_9ee6af43-68f6-42bd-9ce9-e5952ba6d1e9" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesBalance_f52813ac-d670-4bef-8e5d-684f89727dc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
</link:linkbase>
