ceg-202212312022FY00018682750001168165FALSEP5Y11111http://fasb.org/us-gaap/2022#UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenseshttp://fasb.org/us-gaap/2022#UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenseshttp://fasb.org/us-gaap/2022#OtherAssetsNoncurrenthttp://fasb.org/us-gaap/2022#OtherAssetsNoncurrenthttp://fasb.org/us-gaap/2022#OtherLiabilitiesCurrenthttp://fasb.org/us-gaap/2022#OtherLiabilitiesCurrenthttp://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrenthttp://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrenthttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpense0.002750.012750.01000.02000.00375http://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#RevenueFromContractWithCustomerIncludingAssessedTaxhttp://fasb.org/us-gaap/2022#CostDirectMaterialhttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#RevenueFromContractWithCustomerIncludingAssessedTaxhttp://fasb.org/us-gaap/2022#CostDirectMaterialhttp://fasb.org/us-gaap/2022#RevenueFromContractWithCustomerIncludingAssessedTaxhttp://fasb.org/us-gaap/2022#CostDirectMaterialhttp://fasb.org/us-gaap/2022#RevenueFromContractWithCustomerIncludingAssessedTaxhttp://fasb.org/us-gaap/2022#CostDirectMaterialhttp://fasb.org/us-gaap/2022#CostDirectMaterialhttp://fasb.org/us-gaap/2022#RevenueFromContractWithCustomerIncludingAssessedTaxhttp://fasb.org/us-gaap/2022#RevenueFromContractWithCustomerIncludingAssessedTaxhttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#CostDirectMaterialhttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpensehttp://fasb.org/us-gaap/2022#OtherNonoperatingIncomeExpenseP3YP3YP3Y00018682752022-01-012022-12-310001868275ceg:ConstellationEnergyGenerationLLCMember2022-01-012022-12-3100018682752022-06-30iso4217:USD00018682752023-01-31xbrli:shares00018682752021-01-012021-12-3100018682752020-01-012020-12-31iso4217:USDxbrli:shares00018682752021-12-3100018682752020-12-3100018682752019-12-3100018682752022-12-310001868275ceg:ConstellationEnergyGenerationLLCMember2022-12-310001868275us-gaap:AssetPledgedAsCollateralMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2022-12-310001868275us-gaap:AssetPledgedAsCollateralMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-12-310001868275us-gaap:NonrecourseMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2022-12-310001868275us-gaap:NonrecourseMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-12-310001868275us-gaap:CommonStockMember2019-12-310001868275us-gaap:RetainedEarningsMember2019-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-12-310001868275us-gaap:NoncontrollingInterestMember2019-12-310001868275ceg:PredecessorMembersEquityMember2019-12-310001868275us-gaap:NoncontrollingInterestMember2020-01-012020-12-310001868275ceg:PredecessorMembersEquityMember2020-01-012020-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-01-012020-12-310001868275us-gaap:CommonStockMember2020-12-310001868275us-gaap:RetainedEarningsMember2020-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-12-310001868275us-gaap:NoncontrollingInterestMember2020-12-310001868275ceg:PredecessorMembersEquityMember2020-12-310001868275us-gaap:NoncontrollingInterestMember2021-01-012021-12-310001868275ceg:PredecessorMembersEquityMember2021-01-012021-12-310001868275ceg:CengMemberus-gaap:NoncontrollingInterestMember2021-01-012021-12-310001868275ceg:CengMemberceg:PredecessorMembersEquityMember2021-01-012021-12-310001868275ceg:CengMember2021-01-012021-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-01-012021-12-310001868275us-gaap:CommonStockMember2021-12-310001868275us-gaap:RetainedEarningsMember2021-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-12-310001868275us-gaap:NoncontrollingInterestMember2021-12-310001868275ceg:PredecessorMembersEquityMember2021-12-310001868275ceg:PredecessorMembersEquityMember2022-01-012022-01-3100018682752022-01-012022-01-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-01-012022-12-310001868275us-gaap:NoncontrollingInterestMember2022-01-012022-12-310001868275ceg:PredecessorMembersEquityMember2022-01-012022-12-310001868275us-gaap:NoncontrollingInterestMember2022-01-012022-01-310001868275us-gaap:CommonStockMember2022-01-012022-12-310001868275us-gaap:RetainedEarningsMember2022-02-012022-12-310001868275us-gaap:NoncontrollingInterestMember2022-02-012022-12-3100018682752022-02-012022-12-310001868275us-gaap:RetainedEarningsMember2022-01-012022-12-310001868275us-gaap:CommonStockMember2022-12-310001868275us-gaap:RetainedEarningsMember2022-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-12-310001868275us-gaap:NoncontrollingInterestMember2022-12-310001868275ceg:PredecessorMembersEquityMember2022-12-310001868275ceg:ConstellationEnergyGenerationLLCMember2021-01-012021-12-310001868275ceg:ConstellationEnergyGenerationLLCMember2020-01-012020-12-310001868275ceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275ceg:ConstellationEnergyGenerationLLCMember2020-12-310001868275ceg:ConstellationEnergyGenerationLLCMember2019-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMemberus-gaap:AssetPledgedAsCollateralMember2022-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMemberus-gaap:AssetPledgedAsCollateralMember2021-12-310001868275us-gaap:NonrecourseMemberceg:ConstellationEnergyGenerationLLCMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2022-12-310001868275us-gaap:NonrecourseMemberceg:ConstellationEnergyGenerationLLCMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-12-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2019-12-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2019-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2019-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberus-gaap:NoncontrollingInterestMember2019-12-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2020-01-012020-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberus-gaap:NoncontrollingInterestMember2020-01-012020-12-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2020-01-012020-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2020-01-012020-12-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2020-12-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2020-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2020-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberus-gaap:NoncontrollingInterestMember2020-12-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2021-01-012021-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberus-gaap:NoncontrollingInterestMember2021-01-012021-12-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMemberceg:CengMember2021-01-012021-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberceg:CengMemberus-gaap:NoncontrollingInterestMember2021-01-012021-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberceg:CengMember2021-01-012021-12-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2021-01-012021-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2021-01-012021-12-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberus-gaap:NoncontrollingInterestMember2021-12-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2022-01-012022-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberus-gaap:NoncontrollingInterestMember2022-01-012022-12-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2022-01-012022-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2022-01-012022-12-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2022-12-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2022-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2022-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberus-gaap:NoncontrollingInterestMember2022-12-31ceg:segment0001868275ceg:ConstellationRenewablesMember2022-12-31xbrli:pure0001868275ceg:ConstellationRenewablesMember2021-12-3100018682752022-01-312022-01-310001868275ceg:ExelonConsolidationMember2022-01-3100018682752022-01-310001868275us-gaap:PensionPlansDefinedBenefitMember2022-01-312022-01-310001868275ceg:CengMemberceg:ConstellationEnergyGenerationLLCMember2021-08-060001868275ceg:CengMemberceg:NineMilePointMemberceg:ConstellationEnergyGenerationLLCMember2021-08-060001868275ceg:ConstellationEnergyGenerationLLCMemberceg:CengMember2014-04-012014-04-010001868275ceg:ConstellationEnergyGenerationLLCMemberceg:CengMember2014-04-010001868275ceg:ConstellationEnergyGenerationLLCMemberceg:CengMember2021-08-060001868275ceg:ConstellationEnergyGenerationLLCMemberceg:CengMember2021-08-062021-08-060001868275ceg:ConstellationEnergyGenerationLLCMemberceg:CengMember2021-01-012021-12-310001868275us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMemberceg:SolarBusinessMember2020-12-082020-12-08utr:MW0001868275us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMemberceg:SolarBusinessMember2020-12-08ceg:site0001868275us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMemberceg:SolarBusinessMember2021-03-310001868275us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMemberceg:SolarBusinessMember2021-03-312021-03-310001868275ceg:ConstellationEnergyGenerationLLCMemberceg:AlbanyGreenEnergyBiomassFacilityMember2021-04-012021-06-300001868275ceg:ConstellationEnergyGenerationLLCMemberceg:AlbanyGreenEnergyBiomassFacilityMember2021-06-300001868275ceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMember2021-01-012021-12-310001868275ceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMember2022-01-012022-12-310001868275ceg:ERCOTMember2021-02-152021-02-150001868275ceg:ERCOTMember2021-12-310001868275ceg:TexasBasedGeneratingAssetsMember2021-12-310001868275srt:MaximumMemberceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMember2021-01-012021-12-310001868275ceg:ERCOTMember2022-12-310001868275ceg:PublicUtilityCommissionOfTexasMemberceg:ERCOTMember2022-12-310001868275ceg:ERCOTMemberceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMember2022-12-3100018682752021-07-152021-07-1500018682752021-11-012021-11-300001868275ceg:PeachBottomUnits2And3Member2020-03-062020-03-060001868275ceg:ContractLiabilityMember2022-01-012022-12-310001868275ceg:ContractLiabilityMember2021-01-012021-12-310001868275ceg:ContractLiabilityMember2020-01-012020-12-3100018682752023-01-012022-12-3100018682752024-01-012022-12-3100018682752025-01-012022-12-3100018682752026-01-012022-12-3100018682752027-01-012022-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationMidAtlanticMember2022-01-012022-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationMidAtlanticMemberceg:OtherMember2022-01-012022-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationMidAtlanticMember2022-01-012022-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationMidAtlanticMember2022-01-012022-12-310001868275ceg:ConstellationMidAtlanticMember2022-01-012022-12-310001868275ceg:ConstellationMidwestMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2022-01-012022-12-310001868275ceg:ConstellationMidwestMemberus-gaap:OperatingSegmentsMemberceg:OtherMember2022-01-012022-12-310001868275ceg:ConstellationMidwestMemberus-gaap:OperatingSegmentsMember2022-01-012022-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationMidwestMember2022-01-012022-12-310001868275ceg:ConstellationMidwestMember2022-01-012022-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2022-01-012022-12-310001868275us-gaap:OperatingSegmentsMemberceg:OtherMemberceg:ConstellationNewYorkMember2022-01-012022-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2022-01-012022-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationNewYorkMember2022-01-012022-12-310001868275ceg:ConstellationNewYorkMember2022-01-012022-12-310001868275ceg:ConstellationERCOTMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2022-01-012022-12-310001868275ceg:ConstellationERCOTMemberus-gaap:OperatingSegmentsMemberceg:OtherMember2022-01-012022-12-310001868275ceg:ConstellationERCOTMemberus-gaap:OperatingSegmentsMember2022-01-012022-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationERCOTMember2022-01-012022-12-310001868275ceg:ConstellationERCOTMember2022-01-012022-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2022-01-012022-12-310001868275us-gaap:OperatingSegmentsMemberceg:OtherMemberceg:ConstellationOtherRegionsMember2022-01-012022-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2022-01-012022-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationOtherRegionsMember2022-01-012022-12-310001868275ceg:ConstellationOtherRegionsMember2022-01-012022-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2022-01-012022-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMemberceg:OtherMember2022-01-012022-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2022-01-012022-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationReportableSegmentsTotalMember2022-01-012022-12-310001868275ceg:ConstellationReportableSegmentsTotalMember2022-01-012022-12-310001868275ceg:ConstellationNaturalGasMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2022-01-012022-12-310001868275ceg:ConstellationNaturalGasMemberus-gaap:OperatingSegmentsMemberceg:OtherMember2022-01-012022-12-310001868275ceg:ConstellationNaturalGasMemberus-gaap:OperatingSegmentsMember2022-01-012022-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationNaturalGasMember2022-01-012022-12-310001868275ceg:ConstellationNaturalGasMember2022-01-012022-12-310001868275ceg:ConstellationAllOtherSegmentsMemberceg:ContractswithCustomersMemberus-gaap:CorporateNonSegmentMember2022-01-012022-12-310001868275ceg:ConstellationAllOtherSegmentsMemberceg:OtherMemberus-gaap:CorporateNonSegmentMember2022-01-012022-12-310001868275ceg:ConstellationAllOtherSegmentsMemberus-gaap:CorporateNonSegmentMember2022-01-012022-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationAllOtherSegmentsMember2022-01-012022-12-310001868275ceg:ConstellationAllOtherSegmentsMember2022-01-012022-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationTotalConsolidatedGroupMember2022-01-012022-12-310001868275us-gaap:OperatingSegmentsMemberceg:OtherMemberceg:ConstellationTotalConsolidatedGroupMember2022-01-012022-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationTotalConsolidatedGroupMember2022-01-012022-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationTotalConsolidatedGroupMember2022-01-012022-12-310001868275ceg:ConstellationTotalConsolidatedGroupMember2022-01-012022-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationMidAtlanticMember2021-01-012021-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationMidAtlanticMemberceg:OtherMember2021-01-012021-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationMidAtlanticMember2021-01-012021-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationMidAtlanticMember2021-01-012021-12-310001868275ceg:ConstellationMidAtlanticMember2021-01-012021-12-310001868275ceg:ConstellationMidwestMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2021-01-012021-12-310001868275ceg:ConstellationMidwestMemberus-gaap:OperatingSegmentsMemberceg:OtherMember2021-01-012021-12-310001868275ceg:ConstellationMidwestMemberus-gaap:OperatingSegmentsMember2021-01-012021-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationMidwestMember2021-01-012021-12-310001868275ceg:ConstellationMidwestMember2021-01-012021-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2021-01-012021-12-310001868275us-gaap:OperatingSegmentsMemberceg:OtherMemberceg:ConstellationNewYorkMember2021-01-012021-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2021-01-012021-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationNewYorkMember2021-01-012021-12-310001868275ceg:ConstellationNewYorkMember2021-01-012021-12-310001868275ceg:ConstellationERCOTMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2021-01-012021-12-310001868275ceg:ConstellationERCOTMemberus-gaap:OperatingSegmentsMemberceg:OtherMember2021-01-012021-12-310001868275ceg:ConstellationERCOTMemberus-gaap:OperatingSegmentsMember2021-01-012021-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationERCOTMember2021-01-012021-12-310001868275ceg:ConstellationERCOTMember2021-01-012021-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2021-01-012021-12-310001868275us-gaap:OperatingSegmentsMemberceg:OtherMemberceg:ConstellationOtherRegionsMember2021-01-012021-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2021-01-012021-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationOtherRegionsMember2021-01-012021-12-310001868275ceg:ConstellationOtherRegionsMember2021-01-012021-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2021-01-012021-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMemberceg:OtherMember2021-01-012021-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2021-01-012021-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationReportableSegmentsTotalMember2021-01-012021-12-310001868275ceg:ConstellationReportableSegmentsTotalMember2021-01-012021-12-310001868275ceg:ConstellationNaturalGasMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2021-01-012021-12-310001868275ceg:ConstellationNaturalGasMemberus-gaap:OperatingSegmentsMemberceg:OtherMember2021-01-012021-12-310001868275ceg:ConstellationNaturalGasMemberus-gaap:OperatingSegmentsMember2021-01-012021-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationNaturalGasMember2021-01-012021-12-310001868275ceg:ConstellationNaturalGasMember2021-01-012021-12-310001868275ceg:ConstellationAllOtherSegmentsMemberceg:ContractswithCustomersMemberus-gaap:CorporateNonSegmentMember2021-01-012021-12-310001868275ceg:ConstellationAllOtherSegmentsMemberceg:OtherMemberus-gaap:CorporateNonSegmentMember2021-01-012021-12-310001868275ceg:ConstellationAllOtherSegmentsMemberus-gaap:CorporateNonSegmentMember2021-01-012021-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationAllOtherSegmentsMember2021-01-012021-12-310001868275ceg:ConstellationAllOtherSegmentsMember2021-01-012021-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationTotalConsolidatedGroupMember2021-01-012021-12-310001868275us-gaap:OperatingSegmentsMemberceg:OtherMemberceg:ConstellationTotalConsolidatedGroupMember2021-01-012021-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationTotalConsolidatedGroupMember2021-01-012021-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationTotalConsolidatedGroupMember2021-01-012021-12-310001868275ceg:ConstellationTotalConsolidatedGroupMember2021-01-012021-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationMidAtlanticMember2020-01-012020-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationMidAtlanticMemberceg:OtherMember2020-01-012020-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationMidAtlanticMember2020-01-012020-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationMidAtlanticMember2020-01-012020-12-310001868275ceg:ConstellationMidAtlanticMember2020-01-012020-12-310001868275ceg:ConstellationMidwestMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2020-01-012020-12-310001868275ceg:ConstellationMidwestMemberus-gaap:OperatingSegmentsMemberceg:OtherMember2020-01-012020-12-310001868275ceg:ConstellationMidwestMemberus-gaap:OperatingSegmentsMember2020-01-012020-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationMidwestMember2020-01-012020-12-310001868275ceg:ConstellationMidwestMember2020-01-012020-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2020-01-012020-12-310001868275us-gaap:OperatingSegmentsMemberceg:OtherMemberceg:ConstellationNewYorkMember2020-01-012020-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2020-01-012020-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationNewYorkMember2020-01-012020-12-310001868275ceg:ConstellationNewYorkMember2020-01-012020-12-310001868275ceg:ConstellationERCOTMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2020-01-012020-12-310001868275ceg:ConstellationERCOTMemberus-gaap:OperatingSegmentsMemberceg:OtherMember2020-01-012020-12-310001868275ceg:ConstellationERCOTMemberus-gaap:OperatingSegmentsMember2020-01-012020-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationERCOTMember2020-01-012020-12-310001868275ceg:ConstellationERCOTMember2020-01-012020-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2020-01-012020-12-310001868275us-gaap:OperatingSegmentsMemberceg:OtherMemberceg:ConstellationOtherRegionsMember2020-01-012020-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2020-01-012020-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationOtherRegionsMember2020-01-012020-12-310001868275ceg:ConstellationOtherRegionsMember2020-01-012020-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2020-01-012020-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMemberceg:OtherMember2020-01-012020-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2020-01-012020-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationReportableSegmentsTotalMember2020-01-012020-12-310001868275ceg:ConstellationReportableSegmentsTotalMember2020-01-012020-12-310001868275ceg:ConstellationNaturalGasMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2020-01-012020-12-310001868275ceg:ConstellationNaturalGasMemberus-gaap:OperatingSegmentsMemberceg:OtherMember2020-01-012020-12-310001868275ceg:ConstellationNaturalGasMemberus-gaap:OperatingSegmentsMember2020-01-012020-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationNaturalGasMember2020-01-012020-12-310001868275ceg:ConstellationNaturalGasMember2020-01-012020-12-310001868275ceg:ConstellationAllOtherSegmentsMemberceg:ContractswithCustomersMemberus-gaap:CorporateNonSegmentMember2020-01-012020-12-310001868275ceg:ConstellationAllOtherSegmentsMemberceg:OtherMemberus-gaap:CorporateNonSegmentMember2020-01-012020-12-310001868275ceg:ConstellationAllOtherSegmentsMemberus-gaap:CorporateNonSegmentMember2020-01-012020-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationAllOtherSegmentsMember2020-01-012020-12-310001868275ceg:ConstellationAllOtherSegmentsMember2020-01-012020-12-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationTotalConsolidatedGroupMember2020-01-012020-12-310001868275us-gaap:OperatingSegmentsMemberceg:OtherMemberceg:ConstellationTotalConsolidatedGroupMember2020-01-012020-12-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationTotalConsolidatedGroupMember2020-01-012020-12-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationTotalConsolidatedGroupMember2020-01-012020-12-310001868275ceg:ConstellationTotalConsolidatedGroupMember2020-01-012020-12-310001868275ceg:ConstellationAllOtherSegmentsMemberus-gaap:OperatingSegmentsMember2022-01-012022-12-310001868275ceg:ConstellationAllOtherSegmentsMemberus-gaap:OperatingSegmentsMember2021-01-012021-12-310001868275ceg:ConstellationAllOtherSegmentsMemberus-gaap:OperatingSegmentsMember2020-01-012020-12-310001868275us-gaap:TradeAccountsReceivableMember2020-12-310001868275us-gaap:TradeAccountsReceivableMember2021-01-012021-12-310001868275us-gaap:TradeAccountsReceivableMember2021-12-310001868275us-gaap:TradeAccountsReceivableMember2022-01-012022-12-310001868275us-gaap:TradeAccountsReceivableMember2022-12-310001868275ceg:SaleOfAccountsReceivableMember2020-04-080001868275ceg:SaleOfAccountsReceivableMember2022-08-160001868275ceg:SaleOfAccountsReceivableMember2022-12-310001868275ceg:SaleOfAccountsReceivableMember2021-12-310001868275ceg:SaleOfAccountsReceivableMember2022-01-012022-12-310001868275ceg:SaleOfAccountsReceivableMember2021-01-012021-12-3100018682752021-03-310001868275ceg:ExelonUtilityRegistrantsAffiliatesMember2022-01-012022-12-310001868275ceg:ExelonUtilityRegistrantsAffiliatesMember2021-01-012021-12-310001868275ceg:ExelonUtilityRegistrantsAffiliatesMember2020-01-012020-12-310001868275ceg:NuclearFleetMember2022-01-012022-12-310001868275ceg:ClintonAndDresdenUnitsMember2022-07-012022-09-300001868275ceg:ConstellationEnergyGenerationLLCMemberceg:ByronDresdenMemberus-gaap:FacilityClosingMember2021-07-012021-09-300001868275ceg:ByronDresdenMemberus-gaap:FacilityClosingMember2021-01-012021-12-310001868275ceg:ByronDresdenMemberus-gaap:FacilityClosingMember2020-01-012020-12-310001868275ceg:ConstellationNewEnglandMember2020-01-012020-12-310001868275ceg:ConstellationNewEnglandMember2022-01-012022-12-310001868275ceg:ConstellationNewEnglandMember2021-01-012021-12-310001868275us-gaap:ElectricGenerationEquipmentMember2022-12-310001868275us-gaap:ElectricGenerationEquipmentMember2021-12-310001868275us-gaap:NuclearFuelMember2022-12-310001868275us-gaap:NuclearFuelMember2021-12-310001868275us-gaap:ConstructionInProgressMember2022-12-310001868275us-gaap:ConstructionInProgressMember2021-12-310001868275us-gaap:OtherCapitalizedPropertyPlantAndEquipmentMember2022-12-310001868275us-gaap:OtherCapitalizedPropertyPlantAndEquipmentMember2021-12-310001868275us-gaap:ElectricGenerationEquipmentMembersrt:MinimumMember2022-01-012022-12-310001868275us-gaap:ElectricGenerationEquipmentMembersrt:MaximumMember2022-01-012022-12-310001868275us-gaap:NuclearFuelMembersrt:MinimumMember2022-01-012022-12-310001868275us-gaap:NuclearFuelMembersrt:MaximumMember2022-01-012022-12-310001868275us-gaap:OtherCapitalizedPropertyPlantAndEquipmentMembersrt:MinimumMember2022-01-012022-12-310001868275srt:MaximumMemberus-gaap:OtherCapitalizedPropertyPlantAndEquipmentMember2022-01-012022-12-310001868275us-gaap:ElectricGenerationEquipmentMember2020-12-310001868275us-gaap:JointlyOwnedNuclearPowerPlantMemberceg:QuadCitiesMember2022-12-310001868275us-gaap:JointlyOwnedNuclearPowerPlantMemberceg:PeachBottomMember2022-12-310001868275ceg:SalemMemberus-gaap:JointlyOwnedNuclearPowerPlantMember2022-12-310001868275us-gaap:JointlyOwnedNuclearPowerPlantMemberceg:NineMilePointMember2022-12-310001868275us-gaap:JointlyOwnedNuclearPowerPlantMemberceg:QuadCitiesMember2021-12-310001868275us-gaap:JointlyOwnedNuclearPowerPlantMemberceg:PeachBottomMember2021-12-310001868275ceg:SalemMemberus-gaap:JointlyOwnedNuclearPowerPlantMember2021-12-310001868275us-gaap:JointlyOwnedNuclearPowerPlantMemberceg:NineMilePointMember2021-12-310001868275ceg:NuclearDecommissioningMember2020-12-310001868275ceg:NuclearDecommissioningMember2021-01-012021-12-310001868275ceg:NuclearDecommissioningMember2021-12-310001868275ceg:NuclearDecommissioningMember2022-01-012022-12-310001868275ceg:NuclearDecommissioningMember2022-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMember2022-03-312022-03-310001868275ceg:NineMilePointMember2022-12-310001868275us-gaap:AssetsTotalMember2022-12-310001868275us-gaap:AssetsTotalMember2021-12-310001868275us-gaap:OtherCurrentAssetsMember2022-12-310001868275us-gaap:OtherCurrentAssetsMember2021-12-310001868275ceg:NuclearDecommissioningByronMember2021-04-012021-06-300001868275ceg:NuclearDecommissioningByronMember2021-01-012021-09-300001868275ceg:CommonwealthEdisonCoAffiliateMember2022-12-310001868275ceg:CommonwealthEdisonCoAffiliateMember2021-12-310001868275ceg:PecoEnergyCoAffiliateMember2022-12-310001868275ceg:PecoEnergyCoAffiliateMember2021-12-310001868275ceg:ZionStationMember2022-12-310001868275ceg:ZionStationMemberus-gaap:AssetsTotalMember2022-12-310001868275ceg:PecoEnergyCoMember2022-12-310001868275srt:MinimumMember2022-01-012022-12-310001868275srt:MaximumMember2022-01-012022-12-310001868275srt:MinimumMember2022-12-310001868275srt:MaximumMember2022-12-310001868275ceg:NonnuclearDecommissioningAssetRetirementObligationMember2020-12-310001868275ceg:NonnuclearDecommissioningAssetRetirementObligationMember2021-01-012021-12-310001868275us-gaap:DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMemberceg:NonnuclearDecommissioningAssetRetirementObligationMember2021-01-012021-12-310001868275ceg:NonnuclearDecommissioningAssetRetirementObligationMember2021-12-310001868275ceg:NonnuclearDecommissioningAssetRetirementObligationMember2022-01-012022-12-310001868275ceg:NonnuclearDecommissioningAssetRetirementObligationMember2022-12-310001868275ceg:LongtermContractforPurchaseofElectricPowerMember2022-12-310001868275ceg:LongtermContractforPurchaseofElectricPowerMember2021-12-310001868275ceg:ConstellationNewEnglandMemberceg:ConstellationEnergyGenerationLLCMember2020-07-012020-09-300001868275ceg:ConstellationNewEnglandMemberceg:ConstellationEnergyGenerationLLCMember2021-04-012021-06-300001868275ceg:ContractedWindProjectMemberceg:ConstellationEnergyGenerationLLCMemberceg:UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpensesMember2021-07-012021-09-300001868275ceg:ContractedWindProjectMemberceg:ConstellationEnergyGenerationLLCMemberceg:NetIncomeLossAttributableToNoncontrollingInterestMember2021-07-012021-09-300001868275ceg:UnamortizedEnergyContractsMember2022-12-310001868275ceg:UnamortizedEnergyContractsMember2021-12-310001868275us-gaap:CustomerRelationshipsMember2022-12-310001868275us-gaap:CustomerRelationshipsMember2021-12-310001868275us-gaap:TradeNamesMember2022-12-310001868275us-gaap:TradeNamesMember2021-12-310001868275ceg:RenewableenergycreditcurrentMember2022-12-310001868275ceg:RenewableenergycreditcurrentMember2021-12-310001868275us-gaap:DomesticCountryMember2022-12-310001868275us-gaap:StateAndLocalJurisdictionMember2022-12-3100018682752020-03-3100018682752020-01-012020-03-310001868275ceg:CengMember2021-08-062021-08-060001868275ceg:SeparationFromParentMember2022-02-010001868275us-gaap:AccountsPayableMemberceg:SeparationFromParentMember2022-03-310001868275ceg:SeparationFromParentMemberus-gaap:OtherNoncurrentLiabilitiesMember2022-03-310001868275ceg:OtherReceivablesNetCurrentMemberceg:SeparationFromParentMember2022-12-310001868275ceg:SeparationFromParentMemberus-gaap:OtherNoncurrentLiabilitiesMember2022-12-310001868275ceg:SeparationFromParentMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMember2022-02-010001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-02-0100018682752022-02-012022-02-010001868275us-gaap:PensionPlansDefinedBenefitMember2021-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2021-12-310001868275us-gaap:PensionPlansDefinedBenefitMember2022-01-012022-01-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-01-012022-01-310001868275us-gaap:PensionPlansDefinedBenefitMember2022-02-012022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-02-012022-12-310001868275us-gaap:PensionPlansDefinedBenefitMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMember2022-01-012022-12-310001868275us-gaap:PensionPlansDefinedBenefitMember2021-01-012021-12-310001868275us-gaap:PensionPlansDefinedBenefitMember2020-01-012020-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-01-012022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2021-01-012021-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2020-01-012020-12-310001868275ceg:PensionPlanAndOtherPostretirementBenefitsPlanMember2022-01-012022-12-310001868275ceg:PensionPlanAndOtherPostretirementBenefitsPlanMember2021-01-012021-12-310001868275ceg:PensionPlanAndOtherPostretirementBenefitsPlanMember2020-01-012020-12-310001868275us-gaap:PensionPlansDefinedBenefitMember2022-02-012022-02-280001868275ceg:NonqualifiedPensionPlanMember2022-01-012022-12-310001868275us-gaap:PensionPlansDefinedBenefitMembersrt:ScenarioForecastMember2023-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMembersrt:ScenarioForecastMember2023-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanEquitySecuritiesMember2022-12-310001868275us-gaap:DefinedBenefitPlanEquitySecuritiesMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberceg:AlternativeInvestmentsMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberceg:AlternativeInvestmentsMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberus-gaap:DefinedBenefitPlanCashAndCashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanCashAndCashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanCashAndCashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanCashAndCashEquivalentsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanCashAndCashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberus-gaap:DefinedBenefitPlanEquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanEquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanEquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanEquitySecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanEquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeFundsMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeFundsMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeFundsMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeFundsMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeFundsMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:PrivateEquityFundsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberus-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:HedgeFundsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:HedgeFundsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberus-gaap:DefinedBenefitPlanRealEstateMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanRealEstateMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanRealEstateMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanRealEstateMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanRealEstateMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberceg:PrivateCreditFundsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberceg:PrivateCreditFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberceg:PrivateCreditFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberceg:PrivateCreditFundsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberceg:PrivateCreditFundsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:PensionPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanCashAndCashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanCashAndCashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanCashAndCashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanCashAndCashEquivalentsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:DefinedBenefitPlanCashAndCashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:DefinedBenefitPlanEquitySecuritiesMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:DefinedBenefitPlanEquitySecuritiesMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:DefinedBenefitPlanEquitySecuritiesMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:DefinedBenefitPlanEquitySecuritiesMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:DefinedBenefitPlanEquitySecuritiesMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USTreasuryAndGovernmentMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateDebtSecuritiesMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:OtherDebtSecuritiesMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:OtherDebtSecuritiesMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:OtherDebtSecuritiesMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:OtherDebtSecuritiesMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:OtherDebtSecuritiesMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeFundsMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeFundsMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeFundsMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeFundsMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeFundsMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:HedgeFundsMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:HedgeFundsMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:HedgeFundsMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:HedgeFundsMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:HedgeFundsMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:DefinedBenefitPlanRealEstateMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:DefinedBenefitPlanRealEstateMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:DefinedBenefitPlanRealEstateMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:DefinedBenefitPlanRealEstateMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:DefinedBenefitPlanRealEstateMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:PrivateCreditFundsMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:PrivateCreditFundsMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:PrivateCreditFundsMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:PrivateCreditFundsMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:PrivateCreditFundsMemberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FixedIncomeFundsMember2021-12-310001868275us-gaap:DefinedBenefitPlanEquitySecuritiesMember2021-12-310001868275ceg:PrivateCreditFundsMember2021-12-310001868275us-gaap:FixedIncomeFundsMember2022-01-012022-12-310001868275us-gaap:DefinedBenefitPlanEquitySecuritiesMember2022-01-012022-12-310001868275ceg:PrivateCreditFundsMember2022-01-012022-12-310001868275us-gaap:FixedIncomeFundsMember2022-12-310001868275us-gaap:DefinedBenefitPlanEquitySecuritiesMember2022-12-310001868275ceg:PrivateCreditFundsMember2022-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:CommodityContractMember2022-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentTradingMemberus-gaap:CommodityContractMember2022-12-310001868275ceg:CollateralMemberus-gaap:CommodityContractMember2022-12-310001868275ceg:NettingMemberus-gaap:CommodityContractMember2022-12-310001868275us-gaap:CommodityContractMember2022-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:CommodityContractMember2021-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentTradingMemberus-gaap:CommodityContractMember2021-12-310001868275ceg:CollateralMemberus-gaap:CommodityContractMember2021-12-310001868275ceg:NettingMemberus-gaap:CommodityContractMember2021-12-310001868275us-gaap:CommodityContractMember2021-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberceg:RevenuesMemberus-gaap:CommodityContractMember2022-01-012022-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberceg:RevenuesMemberus-gaap:CommodityContractMember2021-01-012021-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberceg:RevenuesMemberus-gaap:CommodityContractMember2020-01-012020-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberceg:CostDirectMaterialMemberus-gaap:CommodityContractMember2022-01-012022-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberceg:CostDirectMaterialMemberus-gaap:CommodityContractMember2021-01-012021-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberceg:CostDirectMaterialMemberus-gaap:CommodityContractMember2020-01-012020-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:CommodityContractMember2022-01-012022-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:CommodityContractMember2021-01-012021-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:CommodityContractMember2020-01-012020-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2022-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2021-12-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:InterestRateSwapMember2022-12-310001868275us-gaap:InterestRateSwapMemberceg:NettingMember2022-12-310001868275us-gaap:InterestRateSwapMember2022-12-310001868275us-gaap:FairValueConcentrationOfRiskMaximumAmountOfLossMemberus-gaap:ExternalCreditRatingInvestmentGradeMember2022-01-012022-12-310001868275ceg:CreditCollateralMemberus-gaap:ExternalCreditRatingInvestmentGradeMember2022-01-012022-12-310001868275ceg:NetExposureMemberus-gaap:ExternalCreditRatingInvestmentGradeMember2022-01-012022-12-310001868275ceg:NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMemberus-gaap:ExternalCreditRatingInvestmentGradeMember2022-12-31ceg:counterparty0001868275ceg:NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMemberus-gaap:ExternalCreditRatingInvestmentGradeMember2022-01-012022-12-310001868275us-gaap:FairValueConcentrationOfRiskMaximumAmountOfLossMemberus-gaap:ExternalCreditRatingNonInvestmentGradeMember2022-01-012022-12-310001868275ceg:CreditCollateralMemberus-gaap:ExternalCreditRatingNonInvestmentGradeMember2022-01-012022-12-310001868275ceg:NetExposureMemberus-gaap:ExternalCreditRatingNonInvestmentGradeMember2022-01-012022-12-310001868275ceg:NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMemberus-gaap:ExternalCreditRatingNonInvestmentGradeMember2022-12-310001868275ceg:NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMemberus-gaap:ExternalCreditRatingNonInvestmentGradeMember2022-01-012022-12-310001868275us-gaap:FairValueConcentrationOfRiskMaximumAmountOfLossMemberus-gaap:InternalInvestmentGradeMember2022-01-012022-12-310001868275ceg:CreditCollateralMemberus-gaap:InternalInvestmentGradeMember2022-01-012022-12-310001868275ceg:NetExposureMemberus-gaap:InternalInvestmentGradeMember2022-01-012022-12-310001868275ceg:NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMemberus-gaap:InternalInvestmentGradeMember2022-12-310001868275ceg:NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMemberus-gaap:InternalInvestmentGradeMember2022-01-012022-12-310001868275us-gaap:FairValueConcentrationOfRiskMaximumAmountOfLossMemberus-gaap:InternalNoninvestmentGradeMember2022-01-012022-12-310001868275ceg:CreditCollateralMemberus-gaap:InternalNoninvestmentGradeMember2022-01-012022-12-310001868275ceg:NetExposureMemberus-gaap:InternalNoninvestmentGradeMember2022-01-012022-12-310001868275us-gaap:InternalNoninvestmentGradeMemberceg:NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-12-310001868275us-gaap:InternalNoninvestmentGradeMemberceg:NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-01-012022-12-310001868275us-gaap:FairValueConcentrationOfRiskMaximumAmountOfLossMember2022-01-012022-12-310001868275ceg:CreditCollateralMember2022-01-012022-12-310001868275ceg:NetExposureMember2022-01-012022-12-310001868275ceg:NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-12-310001868275ceg:NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-01-012022-12-310001868275ceg:NetExposureMemberceg:InvestorOwnedUtilitiesMarketersPowerProducersMember2022-01-012022-12-310001868275ceg:NetExposureMemberceg:EnergyCooperativesAndMunicipalitiesMember2022-01-012022-12-310001868275ceg:NetExposureMemberceg:FinancialInstitutionsMember2022-01-012022-12-310001868275ceg:NetExposureMemberceg:OtherMember2022-01-012022-12-310001868275us-gaap:CommercialPaperMember2022-12-310001868275us-gaap:CommercialPaperMember2021-12-310001868275ceg:BilateralCreditAgreementsMember2021-12-310001868275ceg:BilateralCreditAgreementsMember2022-12-310001868275us-gaap:SecuredDebtMember2021-12-310001868275us-gaap:SecuredDebtMember2022-12-310001868275ceg:LiquidityFacilityMember2022-12-310001868275us-gaap:RevolvingCreditFacilityMemberceg:CommunityAndMinorityFacilitiesMember2021-12-310001868275us-gaap:RevolvingCreditFacilityMember2022-01-310001868275us-gaap:RevolvingCreditFacilityMember2022-02-010001868275us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:RevolvingCreditFacilityMember2022-02-010001868275ceg:LiquidityFacilityMember2022-02-090001868275us-gaap:RevolvingCreditFacilityMember2022-12-310001868275ceg:NoAdditionalCollateralPostedMemberceg:LiquidityFacilityMember2022-12-310001868275us-gaap:RevolvingCreditFacilityMember2021-12-310001868275us-gaap:LetterOfCreditMemberus-gaap:RevolvingCreditFacilityMemberceg:CommunityAndMinorityFacilitiesMember2021-12-310001868275ceg:BilateralCreditAgreementsMemberceg:BilateralJan2016Member2022-12-310001868275ceg:BilateralCreditAgreementsMemberceg:BilateralOct2019aMember2022-12-310001868275ceg:BilateralCreditAgreementsMemberceg:BilateralNov2019aMember2022-12-310001868275ceg:BilateralCreditAgreementsMemberceg:BilateralNov2019bMember2022-12-310001868275ceg:BilateralCreditAgreementsMemberceg:BilateralNov2019cMember2022-12-310001868275ceg:BilateralCreditAgreementsMemberceg:BilateralMay2020Member2022-12-310001868275ceg:BilateralCreditAgreementsMemberceg:BilateralAug2022aMember2022-12-310001868275ceg:BilateralCreditAgreementsMemberceg:BilateralAug2022bMember2022-12-310001868275ceg:BilateralCreditAgreementsMemberceg:BilateralJan2023aMemberus-gaap:SubsequentEventMember2023-01-200001868275ceg:BilateralCreditAgreementsMemberus-gaap:SubsequentEventMemberceg:BilateralJan2023bMember2023-01-310001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMember2020-03-190001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMemberus-gaap:LondonInterbankOfferedRateLIBORMember2020-03-192020-03-190001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMember2020-03-310001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMember2022-03-292022-03-290001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMember2022-03-290001868275us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:UnsecuredDebtMemberceg:TermLoanMember2022-03-292022-03-290001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMember2021-08-062021-08-060001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMember2021-08-060001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMemberus-gaap:LondonInterbankOfferedRateLIBORMember2021-08-062021-08-060001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMemberus-gaap:LondonInterbankOfferedRateLIBORMember2021-04-012022-08-050001868275us-gaap:UnsecuredDebtMemberus-gaap:SubsequentEventMemberceg:TermLoanMember2023-01-260001868275us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:UnsecuredDebtMemberus-gaap:SubsequentEventMemberceg:TermLoanMember2023-01-262023-01-260001868275us-gaap:UnsecuredDebtMemberus-gaap:SubsequentEventMemberceg:TermLoanMember2023-02-090001868275us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:UnsecuredDebtMemberus-gaap:SubsequentEventMemberceg:TermLoanMember2023-02-092023-02-090001868275us-gaap:SeniorNotesMembersrt:MinimumMember2022-12-310001868275us-gaap:SeniorNotesMembersrt:MaximumMember2022-12-310001868275us-gaap:SeniorNotesMember2022-12-310001868275us-gaap:SeniorNotesMember2021-12-310001868275us-gaap:NotesPayableOtherPayablesMembersrt:MinimumMember2022-12-310001868275srt:MaximumMemberus-gaap:NotesPayableOtherPayablesMember2022-12-310001868275us-gaap:NotesPayableOtherPayablesMember2022-12-310001868275us-gaap:NotesPayableOtherPayablesMember2021-12-310001868275srt:MinimumMemberceg:NonRecourseFixedRateMemberMember2022-12-310001868275srt:MaximumMemberceg:NonRecourseFixedRateMemberMember2022-12-310001868275ceg:NonRecourseFixedRateMemberMember2022-12-310001868275ceg:NonRecourseFixedRateMemberMember2021-12-310001868275ceg:NonRecourseVariableRateMembersrt:MinimumMember2022-12-310001868275srt:MaximumMemberceg:NonRecourseVariableRateMember2022-12-310001868275ceg:NonRecourseVariableRateMember2022-12-310001868275ceg:NonRecourseVariableRateMember2021-12-310001868275ceg:ExelonCorporateMember2021-12-310001868275ceg:ExelonCorporateMember2022-01-312022-01-310001868275us-gaap:NonrecourseMember2022-12-310001868275us-gaap:NonrecourseMemberceg:DOEProjectFinancing2.82January52037Member2011-12-310001868275us-gaap:NonrecourseMemberceg:DOEProjectFinancing2.82January52037Member2015-12-310001868275us-gaap:NonrecourseMemberceg:DOEProjectFinancing2.82January52037Member2022-12-310001868275us-gaap:NonrecourseMemberceg:DOEProjectFinancing2.82January52037Member2021-12-310001868275us-gaap:NonrecourseMemberceg:ContinentalWindMember2013-09-300001868275us-gaap:NonrecourseMemberceg:ContinentalWindMember2022-01-012022-12-310001868275us-gaap:NonrecourseMemberceg:ContinentalWindMember2022-12-310001868275us-gaap:NonrecourseMemberceg:ContinentalWindMember2021-12-310001868275ceg:RenewablePowerGenerationMemberus-gaap:NonrecourseMember2016-03-310001868275ceg:RenewablePowerGenerationMemberus-gaap:NonrecourseMember2022-12-310001868275ceg:RenewablePowerGenerationMemberus-gaap:NonrecourseMember2021-12-310001868275us-gaap:NonrecourseMemberceg:ExGenRenewablesIVNov2024Member2017-11-300001868275us-gaap:NonrecourseMemberceg:ExGenRenewablesIVNov2024Member2017-11-012017-11-300001868275us-gaap:NonrecourseMemberceg:ExGenRenewablesIVDec2020Member2022-12-310001868275us-gaap:NonrecourseMemberceg:ExGenRenewablesIVDec2020Member2022-01-012022-12-310001868275us-gaap:NonrecourseMemberceg:ExGenRenewablesIVNov2024Member2022-12-310001868275us-gaap:NonrecourseMemberceg:ExGenRenewablesIVDec2020Member2021-12-310001868275us-gaap:NonrecourseMemberceg:WestMedwayIILLCMember2021-05-130001868275us-gaap:NonrecourseMemberceg:WestMedwayIILLCMember2021-05-132021-05-130001868275us-gaap:NonrecourseMemberceg:WestMedwayIILLCMember2022-12-310001868275us-gaap:NonrecourseMemberceg:WestMedwayIILLCMember2021-12-310001868275ceg:DailySimpleSOFRRateMembersrt:MaximumMember2022-01-012022-12-310001868275ceg:TermSOFRRateMembersrt:MaximumMember2022-01-012022-12-310001868275ceg:DailySimpleSOFRRateMembersrt:MaximumMemberus-gaap:ExternalCreditRatingNonInvestmentGradeMember2022-01-012022-12-310001868275ceg:TermSOFRRateMembersrt:MaximumMemberus-gaap:ExternalCreditRatingNonInvestmentGradeMember2022-01-012022-12-310001868275us-gaap:NonrecourseMemberceg:DOEProjectFinancing2.82January52037Member2022-01-012022-12-310001868275us-gaap:CarryingReportedAmountFairValueDisclosureMember2022-12-310001868275us-gaap:FairValueInputsLevel2Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2022-12-310001868275us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2022-12-310001868275us-gaap:EstimateOfFairValueFairValueDisclosureMember2022-12-310001868275us-gaap:CarryingReportedAmountFairValueDisclosureMember2021-12-310001868275us-gaap:FairValueInputsLevel2Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2021-12-310001868275us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2021-12-310001868275us-gaap:EstimateOfFairValueFairValueDisclosureMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:CashEquivalentsNDTMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:CashEquivalentsNDTMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:CashEquivalentsNDTMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:CashEquivalentsNDTMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:CashEquivalentsNDTMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:CashEquivalentsNDTMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:CashEquivalentsNDTMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:CashEquivalentsNDTMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:CashEquivalentsNDTMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:CashEquivalentsNDTMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:EquitySecuritiesNuclearDecommissioningTrustFundMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EquitySecuritiesNuclearDecommissioningTrustFundMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:EquitySecuritiesNuclearDecommissioningTrustFundMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:EquitySecuritiesNuclearDecommissioningTrustFundMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EquitySecuritiesNuclearDecommissioningTrustFundMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:EquitySecuritiesNuclearDecommissioningTrustFundMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:EquitySecuritiesNuclearDecommissioningTrustFundMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:EquitySecuritiesNuclearDecommissioningTrustFundMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:EquitySecuritiesNuclearDecommissioningTrustFundMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:EquitySecuritiesNuclearDecommissioningTrustFundMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:OtherFixedIncomeMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:OtherFixedIncomeMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:OtherFixedIncomeMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:OtherFixedIncomeMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:OtherFixedIncomeMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:OtherFixedIncomeMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:OtherFixedIncomeMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:OtherFixedIncomeMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:OtherFixedIncomeMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:OtherFixedIncomeMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:PrivateCreditMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:PrivateCreditMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:PrivateCreditMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:PrivateCreditMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:PrivateCreditMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:PrivateCreditMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:PrivateCreditMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:PrivateCreditMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:PrivateCreditMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:PrivateCreditMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMember2022-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMember2022-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMember2021-12-310001868275us-gaap:RealEstateFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:RealEstateFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:RealEstateFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:RealEstateFundsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:RealEstateFundsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:RealEstateFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:RealEstateFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:RealEstateFundsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:RealEstateFundsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:RealEstateFundsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:MutualFundMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:MutualFundMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:MutualFundMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:MutualFundMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:MutualFundMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:MutualFundMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:MutualFundMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:MutualFundMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:MutualFundMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:MutualFundMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Membersic:Z6311us-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275sic:Z6311us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275sic:Z6311us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275sic:Z6311us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275sic:Z6311us-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Membersic:Z6311us-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275sic:Z6311us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275sic:Z6311us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275sic:Z6311us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275sic:Z6311us-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:RabbiTrustInvestmentsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:RabbiTrustInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:RabbiTrustInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:RabbiTrustInvestmentsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:RabbiTrustInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:RabbiTrustInvestmentsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:RabbiTrustInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:RabbiTrustInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:RabbiTrustInvestmentsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:RabbiTrustInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberus-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:EconomicHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EconomicHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:EconomicHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:EconomicHedgingInstrumentMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EconomicHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:EconomicHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:EconomicHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:EconomicHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:EconomicHedgingInstrumentMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:EconomicHedgingInstrumentMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:ProprietaryTradingMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:ProprietaryTradingMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:ProprietaryTradingMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberceg:ProprietaryTradingMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:ProprietaryTradingMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:ProprietaryTradingMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:ProprietaryTradingMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberceg:ProprietaryTradingMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingMember2021-12-310001868275ceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:EconomicHedgingInstrumentLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EconomicHedgingInstrumentLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:EconomicHedgingInstrumentLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:EconomicHedgingInstrumentLiabilitesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EconomicHedgingInstrumentLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:EconomicHedgingInstrumentLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:EconomicHedgingInstrumentLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:EconomicHedgingInstrumentLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:EconomicHedgingInstrumentLiabilitesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:EconomicHedgingInstrumentLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:EffectsofNettingandAllocationofCollateralLiabilitesMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EffectsofNettingandAllocationofCollateralLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:EffectsofNettingandAllocationofCollateralLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:EffectsofNettingandAllocationofCollateralLiabilitesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EffectsofNettingandAllocationofCollateralLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:EffectsofNettingandAllocationofCollateralLiabilitesMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:EffectsofNettingandAllocationofCollateralLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:EffectsofNettingandAllocationofCollateralLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:EffectsofNettingandAllocationofCollateralLiabilitesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:EffectsofNettingandAllocationofCollateralLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:CommodityDerivativeLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:CommodityDerivativeLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-12-310001868275ceg:CommodityDerivativeLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:CommodityDerivativeLiabilitesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275ceg:CommodityDerivativeLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMember2022-12-310001868275us-gaap:FairValueInputsLevel1Memberceg:CommodityDerivativeLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:CommodityDerivativeLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:CommodityDerivativeLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:CommodityDerivativeLiabilitesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:CommodityDerivativeLiabilitesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275srt:ParentCompanyMemberus-gaap:CashAndCashEquivalentsMember2022-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberus-gaap:CashAndCashEquivalentsMember2022-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberus-gaap:CashAndCashEquivalentsMember2021-12-310001868275ceg:RestrictedcashMemberceg:ConstellationEnergyGenerationLLCMember2022-12-310001868275ceg:RestrictedcashMemberceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275srt:ParentCompanyMemberus-gaap:CashMember2022-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:MaturityUpTo30DaysMember2022-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:MaturityUpTo30DaysMember2021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMember2022-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMember2021-12-310001868275us-gaap:FairValueInputsLevel1Member2022-12-310001868275us-gaap:FairValueInputsLevel2Member2022-12-310001868275us-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:FairValueInputsLevel1Member2021-12-310001868275us-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:PrivateCreditMember2022-12-310001868275us-gaap:PrivateEquityFundsMember2022-12-310001868275us-gaap:RealEstateFundsMember2022-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:FairValueInputsLevel3Memberus-gaap:DerivativeMember2021-12-310001868275sic:Z6311us-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueInputsLevel3Member2022-01-012022-12-310001868275us-gaap:FairValueInputsLevel3Memberus-gaap:DerivativeMember2022-01-012022-12-310001868275sic:Z6311us-gaap:FairValueInputsLevel3Member2022-01-012022-12-310001868275us-gaap:FairValueInputsLevel3Member2022-01-012022-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueInputsLevel3Member2022-12-310001868275us-gaap:FairValueInputsLevel3Memberus-gaap:DerivativeMember2022-12-310001868275sic:Z6311us-gaap:FairValueInputsLevel3Member2022-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueInputsLevel3Member2020-12-310001868275us-gaap:FairValueInputsLevel3Memberus-gaap:DerivativeMember2020-12-310001868275us-gaap:FairValueInputsLevel3Member2020-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueInputsLevel3Member2021-01-012021-12-310001868275us-gaap:FairValueInputsLevel3Memberus-gaap:DerivativeMember2021-01-012021-12-310001868275us-gaap:FairValueInputsLevel3Member2021-01-012021-12-310001868275us-gaap:OtherNonoperatingIncomeExpenseMember2021-01-012021-12-310001868275ceg:RevenueFromContractWithCustomerIncludingAssessedTaxMember2020-01-012020-12-310001868275ceg:CostDirectMaterialMember2020-01-012020-12-310001868275us-gaap:OtherNonoperatingIncomeExpenseMember2020-01-012020-12-310001868275us-gaap:OtherNonoperatingIncomeExpenseMember2022-01-012022-12-310001868275ceg:RevenueFromContractWithCustomerIncludingAssessedTaxMember2022-01-012022-12-310001868275ceg:CostDirectMaterialMember2021-01-012021-12-310001868275ceg:RevenueFromContractWithCustomerIncludingAssessedTaxMember2021-01-012021-12-310001868275ceg:CostDirectMaterialMember2022-01-012022-12-310001868275us-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2022-12-310001868275us-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2021-12-310001868275us-gaap:IncomeApproachValuationTechniqueMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2022-12-310001868275us-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2022-12-310001868275srt:ArithmeticAverageMemberus-gaap:IncomeApproachValuationTechniqueMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2022-12-310001868275us-gaap:IncomeApproachValuationTechniqueMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2021-12-310001868275us-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2021-12-310001868275srt:ArithmeticAverageMemberus-gaap:IncomeApproachValuationTechniqueMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2021-12-310001868275ceg:OptionModelValuationTechniqueMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2022-12-310001868275srt:MaximumMemberceg:OptionModelValuationTechniqueMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2022-12-310001868275srt:ArithmeticAverageMemberceg:OptionModelValuationTechniqueMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2022-12-310001868275ceg:OptionModelValuationTechniqueMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2021-12-310001868275srt:MaximumMemberceg:OptionModelValuationTechniqueMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2021-12-310001868275srt:ArithmeticAverageMemberceg:OptionModelValuationTechniqueMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2021-12-310001868275us-gaap:FinancialStandbyLetterOfCreditMember2022-12-310001868275us-gaap:SuretyBondMember2022-12-310001868275ceg:PriorMergerCommitmentMember2016-01-012016-12-310001868275ceg:PriorMergerCommitmentMember2022-01-012022-12-310001868275ceg:NuclearInsurancePremiumsMember2022-12-3100018682752017-01-010001868275ceg:NuclearInsurancePremiumsMembersrt:MaximumMember2017-01-010001868275ceg:GuaranteesOtherThanLettersOfCreditAndNuclearInsurancePremiumsMember2022-12-310001868275ceg:GuaranteesOtherThanLettersOfCreditAndNuclearInsurancePremiumsMember2021-12-310001868275ceg:GuaranteesOtherThanLettersOfCreditAndNuclearInsurancePremiumsMember2020-12-310001868275us-gaap:NuclearPlantMember2022-12-310001868275us-gaap:NuclearPlantMember2021-12-310001868275ceg:FitzpatrickMember2022-12-310001868275ceg:FitzpatrickMember2021-12-310001868275us-gaap:NuclearPlantMember2022-01-012022-12-310001868275ceg:FitzpatrickMember2022-01-012022-12-310001868275ceg:WestLakeMember2019-03-310001868275ceg:WestLakeMember2018-09-300001868275ceg:WestLakeMember2020-08-030001868275ceg:OpenClaimsMember2022-12-31ceg:Open_claim0001868275ceg:EstimatedFutureClaimsMember2022-12-310001868275ceg:LDCDamagesMember2021-03-222021-03-220001868275ceg:LDCDamagesMember2021-12-310001868275ceg:LDCDamagesMember2022-06-300001868275ceg:LongTermIncentivePlanMember2022-02-010001868275us-gaap:PerformanceSharesMemberceg:LongTermIncentivePlanMember2022-01-012022-12-310001868275us-gaap:RestrictedStockUnitsRSUMember2022-01-012022-12-310001868275us-gaap:PerformanceSharesMember2021-12-310001868275us-gaap:PerformanceSharesMember2022-01-012022-12-310001868275us-gaap:PerformanceSharesMember2022-12-310001868275us-gaap:RestrictedStockUnitsRSUMembersrt:MinimumMember2022-01-012022-12-310001868275us-gaap:RestrictedStockUnitsRSUMembersrt:MaximumMember2022-01-012022-12-310001868275us-gaap:RestrictedStockUnitsRSUMember2021-12-310001868275us-gaap:RestrictedStockUnitsRSUMember2022-12-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2019-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2019-12-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2019-12-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2019-12-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2020-01-012020-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2020-01-012020-12-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2020-01-012020-12-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2020-01-012020-12-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2020-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2020-12-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2020-12-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2020-12-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2021-01-012021-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2021-01-012021-12-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2021-01-012021-12-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2021-01-012021-12-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2021-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2021-12-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2021-12-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2021-12-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2022-01-012022-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-01-012022-12-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2022-01-012022-12-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2022-01-012022-12-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2022-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-12-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2022-12-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2022-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember2022-01-012022-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember2021-01-012021-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember2020-01-012020-12-310001868275us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2022-12-310001868275us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-12-310001868275us-gaap:RecourseMember2022-12-310001868275us-gaap:RecourseMember2021-12-310001868275ceg:CRPMember2021-12-310001868275ceg:CRPMember2022-12-310001868275ceg:AntelopeValleyMember2021-12-310001868275ceg:AntelopeValleyMember2022-12-310001868275ceg:NERMember2021-12-310001868275ceg:NERMember2022-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberceg:SolarProjectEntitiesMember2022-12-310001868275ceg:ConstellationEnergyGenerationLLCMemberceg:WindProjectEntitiesMember2022-12-310001868275ceg:CommercialAgreementVIEMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-12-310001868275ceg:EquityInvestmentVIEMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-12-310001868275us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-12-310001868275ceg:CommercialAgreementVIEMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2021-12-310001868275ceg:EquityInvestmentVIEMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2021-12-310001868275us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2021-12-310001868275ceg:DistributedEnergyCompanyMember2021-12-310001868275ceg:DistributedEnergyCompanyMember2022-12-310001868275ceg:AmortizationOfIntangibleAssetsIncludedInDepreciationExpenseMember2022-01-012022-12-310001868275ceg:AmortizationOfIntangibleAssetsIncludedInDepreciationExpenseMember2021-01-012021-12-310001868275ceg:AmortizationOfIntangibleAssetsIncludedInDepreciationExpenseMember2020-01-012020-12-310001868275ceg:UnamortizedEnergyContractsMember2022-01-012022-12-310001868275ceg:UnamortizedEnergyContractsMember2021-01-012021-12-310001868275ceg:UnamortizedEnergyContractsMember2020-01-012020-12-310001868275ceg:OtherEquityMethodInvestmentsMember2022-12-310001868275ceg:OtherEquityMethodInvestmentsMember2021-12-310001868275ceg:EmployeeBenefitTrustsandInvestmentsMember2022-12-310001868275ceg:EmployeeBenefitTrustsandInvestmentsMember2021-12-310001868275ceg:OtherAvailableForSaleInvestmentsMember2022-12-310001868275ceg:OtherAvailableForSaleInvestmentsMember2021-12-310001868275ceg:CommonwealthEdisonCoAffiliateMember2022-01-012022-12-310001868275ceg:CommonwealthEdisonCoAffiliateMember2021-01-012021-12-310001868275ceg:CommonwealthEdisonCoAffiliateMember2020-01-012020-12-310001868275ceg:PecoEnergyCoAffiliateMember2022-01-012022-12-310001868275ceg:PecoEnergyCoAffiliateMember2021-01-012021-12-310001868275ceg:PecoEnergyCoAffiliateMember2020-01-012020-12-310001868275ceg:BaltimoreGasAndElectricCompanyAffiliateMember2022-01-012022-12-310001868275ceg:BaltimoreGasAndElectricCompanyAffiliateMember2021-01-012021-12-310001868275ceg:BaltimoreGasAndElectricCompanyAffiliateMember2020-01-012020-12-310001868275ceg:PepcoHoldingsLLCAffiliateMember2022-01-012022-12-310001868275ceg:PepcoHoldingsLLCAffiliateMember2021-01-012021-12-310001868275ceg:PepcoHoldingsLLCAffiliateMember2020-01-012020-12-310001868275ceg:PotomacElectricPowerCoAffiliateMember2022-01-012022-12-310001868275ceg:PotomacElectricPowerCoAffiliateMember2021-01-012021-12-310001868275ceg:PotomacElectricPowerCoAffiliateMember2020-01-012020-12-310001868275ceg:DelmarvaPowerandLightCoAffiliateMember2022-01-012022-12-310001868275ceg:DelmarvaPowerandLightCoAffiliateMember2021-01-012021-12-310001868275ceg:DelmarvaPowerandLightCoAffiliateMember2020-01-012020-12-310001868275ceg:AtlanticCityElectricCoAffiliateMember2022-01-012022-12-310001868275ceg:AtlanticCityElectricCoAffiliateMember2021-01-012021-12-310001868275ceg:AtlanticCityElectricCoAffiliateMember2020-01-012020-12-310001868275ceg:ExelonBusinessServicesCoAffiliateMember2022-01-012022-12-310001868275ceg:ExelonBusinessServicesCoAffiliateMember2021-01-012021-12-310001868275ceg:ExelonBusinessServicesCoAffiliateMember2020-01-012020-12-310001868275ceg:BaltimoreGasAndElectricCompanyAffiliateMember2021-12-310001868275ceg:PotomacElectricPowerCoAffiliateMember2021-12-310001868275ceg:DelmarvaPowerandLightCoAffiliateMember2021-12-310001868275ceg:AtlanticCityElectricCoAffiliateMember2021-12-310001868275ceg:ExelonBusinessServicesCoAffiliateMember2021-12-310001868275ceg:OtherAffiliateMember2021-12-310001868275us-gaap:AllowanceForCreditLossMember2021-12-310001868275us-gaap:AllowanceForCreditLossMember2022-01-012022-12-310001868275us-gaap:AllowanceForCreditLossMember2022-12-310001868275us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2021-12-310001868275us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2022-01-012022-12-310001868275us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2022-12-310001868275us-gaap:InventoryValuationReserveMember2021-12-310001868275us-gaap:InventoryValuationReserveMember2022-01-012022-12-310001868275us-gaap:InventoryValuationReserveMember2022-12-310001868275us-gaap:AllowanceForCreditLossMember2020-12-310001868275us-gaap:AllowanceForCreditLossMember2021-01-012021-12-310001868275us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2020-12-310001868275us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2021-01-012021-12-310001868275us-gaap:InventoryValuationReserveMember2020-12-310001868275us-gaap:InventoryValuationReserveMember2021-01-012021-12-310001868275us-gaap:AllowanceForCreditLossMember2019-12-310001868275us-gaap:AllowanceForCreditLossMember2020-01-012020-12-310001868275us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2019-12-310001868275us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2020-01-012020-12-310001868275us-gaap:InventoryValuationReserveMember2019-12-310001868275us-gaap:InventoryValuationReserveMember2020-01-012020-12-31
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 10-K
| | | | | |
☒ | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
For the Fiscal Year Ended December 31, 2022
or
| | | | | |
☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
| | | | | | | | | | | | | | |
Commission File Number | | Name of Registrant; State or Other Jurisdiction of Incorporation; Address of Principal Executive Offices; and Telephone Number | | IRS Employer Identification Number |
| | | | |
001-41137 | | CONSTELLATION ENERGY CORPORATION | | 87-1210716 |
| | (a Pennsylvania corporation) 1310 Point Street Baltimore, Maryland 21231-3380 (833) 883-0162 | | |
| | | | |
333-85496 | | CONSTELLATION ENERGY GENERATION, LLC | | 23-3064219 |
| | (a Pennsylvania limited liability company) 200 Exelon Way Kennett Square, Pennsylvania 19348-2473 (833) 883-0162 | | |
Securities registered pursuant to Section 12(b) of the Act: | | | | | | | | | | | | | | |
Title of each class | | Trading Symbol(s) | | Name of each exchange on which registered |
CONSTELLATION ENERGY CORPORATION: | | | | |
Common Stock, without par value | | CEG | | The Nasdaq Stock Market LLC |
Securities registered pursuant to Section 12(g) of the Act: None
Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.
| | | | | | | | | | | | | | | | | |
Constellation Energy Corporation | Yes | x | | No | ☐ |
Constellation Energy Generation, LLC | Yes | ☐ | | No | x |
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.
| | | | | | | | | | | | | | | | | |
Constellation Energy Corporation | Yes | ☐ | | No | x |
Constellation Energy Generation, LLC | Yes | ☐ | | No | x |
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.
| | | | | | | | | | | | | | | | | |
Constellation Energy Corporation | Yes | x | | No | ☐ |
Constellation Energy Generation, LLC | Yes | x | | No | ☐ |
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ý No ¨
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Constellation Energy Corporation | Large Accelerated Filer | x | Accelerated Filer | ☐ | Non-accelerated Filer | ☐ | Smaller Reporting Company | ☐ | Emerging Growth Company | ☐ |
Constellation Energy Generation, LLC | Large Accelerated Filer | ☐ | Accelerated Filer | ☐ | Non-accelerated Filer | x | Smaller Reporting Company | ☐ | Emerging Growth Company | ☐ |
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act by the registered public accounting firm that prepared or issued its audit report. ☒
If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. o
Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). o
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ☐ No x
The estimated aggregate market value of the voting and non-voting common equity held by nonaffiliates of each registrant as of June 30, 2022 was as follows:
| | | | | |
Constellation Energy Corporation | $18,711,601,222 |
Constellation Energy Generation, LLC | Not applicable |
The number of shares outstanding of each registrant’s common stock as of January 31, 2023 was as follows:
| | | | | |
Constellation Energy Corporation Common Stock, without par value | 327,131,082 | |
Constellation Energy Generation, LLC | Not applicable |
Documents Incorporated by Reference
Portions of the Registrants’ Definitive Proxy Statement relating to the 2023 Annual Meeting of Shareholders are incorporated by reference into Part III of this report. The Registrants expect to file the Definitive Proxy Statement with the Securities and Exchange Commission within 120 days after December 31, 2022.
TABLE OF CONTENTS
| | | | | | | | |
GLOSSARY OF TERMS AND ABBREVIATIONS |
Constellation Energy Corporation and Related Entities |
CEG Parent | | Constellation Energy Corporation |
Constellation | | Constellation Energy Generation, LLC (formerly Exelon Generation Company, LLC) |
Registrants | | CEG Parent and Constellation, collectively |
Antelope Valley | | Antelope Valley Solar Ranch One |
CENG | | Constellation Energy Nuclear Group, LLC |
CR | | Constellation Renewables, LLC (formerly ExGen Renewables IV, LLC) |
CRP | | Constellation Renewables Partners, LLC (formerly ExGen Renewables Partners, LLC) |
FitzPatrick | | James A. FitzPatrick nuclear generating station |
Ginna | | R. E. Ginna nuclear generating station |
NER | | NewEnergy Receivables LLC |
NMP | | Nine Mile Point nuclear generating station |
RPG | | Renewable Power Generation, LLC |
SolGen | | SolGen, LLC |
TMI | | Three Mile Island nuclear facility |
| | | | | | | | |
Former Related Entities |
Exelon | | Exelon Corporation |
ComEd | | Commonwealth Edison Company |
PECO | | PECO Energy Company |
BGE | | Baltimore Gas and Electric Company |
PHI | | Pepco Holdings LLC (formerly Pepco Holdings, Inc.) |
Pepco | | Potomac Electric Power Company |
DPL | | Delmarva Power & Light Company |
| | |
ACE | | Atlantic City Electric Company |
BSC | | Exelon Business Services Company, LLC |
| | | | | | | | |
GLOSSARY OF TERMS AND ABBREVIATIONS |
Other Terms and Abbreviations | | |
ABO | | Accumulated Benefit Obligation |
AEC | | Alternative Energy Credit that is issued for each megawatt hour of generation from a qualified alternative energy source |
AESO | | Alberta Electric Systems Operator |
| | |
| | |
| | |
AOCI | | Accumulated Other Comprehensive Income (Loss) |
APBO | | Accumulated Post-Retirement Benefit Obligation |
ARC | | Asset Retirement Cost |
ARO | | Asset Retirement Obligation |
| | |
ASA | | Asset Sale Agreement |
Atomic Energy Act | | Atomic Energy Act of 1954, as amended |
| | |
Bcf | | Billion cubic feet |
| | |
Brookfield Renewable | | Brookfield Renewable Partners, L.P. |
| | |
CAISO | | California ISO |
CBAs | | Collective Bargaining Agreements |
| | |
CERCLA | | Comprehensive Environmental Response, Compensation, and Liability Act of 1980, as amended |
CES | | Clean Energy Standard |
C&I | | Commercial and Industrial |
Clean Air Act | | Clean Air Act of 1963, as amended |
Clean Energy Law | | Illinois Public Act 102-0062 signed into law on September 15, 2021 |
Clean Water Act | | Federal Water Pollution Control Amendments of 1972, as amended |
CMC | | Carbon Mitigation Credit |
CODM | | Chief Operating Decision Maker |
| | |
CORe | | Constellation Offsite Renewables |
CPP | | Clean Power Plan |
CTV | | Constellation Technology Ventures |
| | |
DCPSC | | District of Columbia Public Service Commission |
| | |
DEPSC | | Delaware Public Service Commission |
DOE | | United States Department of Energy |
| | |
DOJ | | United States Department of Justice |
DPP | | Deferred Purchase Price |
| | |
| | |
| | |
EBITDA | | Earnings Before Interest, Tax, Depreciation and Amortization |
EDF | | Electricite de France SA and its subsidiaries |
| | |
EFEC | | Emissions-Free Energy Certificate |
| | |
EMT | | Everett Marine Terminal |
EPA | | United States Environmental Protection Agency |
| | |
ERCOT | | Electric Reliability Council of Texas |
ERISA | | Employee Retirement Income Security Act of 1974, as amended |
EROA | | Expected Rate of Return on Assets |
ESG | | Environmental, Social, and Governance |
| | |
ERP | | Enterprise Resource Program |
EV | | Electric Vehicle |
| | |
Federal Power Act | | Federal Power Act of 1920, as amended |
| | |
FERC | | Federal Energy Regulatory Commission |
| | |
| | |
Former PECO Units | | Limerick, Peach Bottom, and Salem nuclear generating units |
Former ComEd Units | | Braidwood, Byron, Dresden, LaSalle and Quad Cities nuclear generating units |
FRCC | | Florida Reliability Coordinating Council |
| | | | | | | | |
FRR | | Fixed Resource Requirement |
GAAP | | Generally Accepted Accounting Principles in the United States |
| | |
GHG | | Greenhouse Gas |
| | |
GWh | | Gigawatt hour |
ICC | | Illinois Commerce Commission |
ICE | | Intercontinental Exchange |
| | |
| | |
IPA | | Illinois Power Agency |
IRA | | Inflation Reduction Act of 2022 |
IRC | | Internal Revenue Code |
IRS | | Internal Revenue Service |
ISO | | Independent System Operator |
ISO-NE | | ISO New England Inc. |
ITC | | Investment Tax Credit |
| | |
| | |
kWh | | Kilowatt-hour |
LIBOR | | London Interbank Offered Rate |
| | |
LLRW | | Low-Level Radioactive Waste |
| | |
| | |
LTIP | | Long-Term Incentive Plan |
MATS | | U.S. EPA Mercury and Air Toxics Standards |
MDE | | Maryland Department of the Environment |
MDPSC | | Maryland Public Service Commission |
| | |
MISO | | Midcontinent Independent System Operator, Inc. |
| | |
MOPR | | Minimum Offer Price Rule |
MRV | | Market-Related Value |
MPSC | | Missouri Public Service Commission |
MW | | Megawatt |
MWh | | Megawatt hour |
N/A | | Not applicable |
NAV | | Net Asset Value |
NASDAQ | | Nasdaq Stock Market, Inc. |
NDT | | Nuclear Decommissioning Trust |
NEIL | | Nuclear Electric Insurance Limited |
| | |
NEPA | | National Environmental Policy Act of 1969 |
NERC | | North American Electric Reliability Corporation |
NGX | | Natural Gas Exchange, Inc. |
NJBPU | | New Jersey Board of Public Utilities |
NJDEP | | New Jersey Department of Environmental Protection |
Non-Regulatory Agreement Units | | Nuclear generating units or portions thereof whose decommissioning-related activities are not subject to contractual elimination under regulatory accounting |
NOSA | | Nuclear Operating Services Agreement |
NPDES | | National Pollutant Discharge Elimination System |
NPNS | | Normal Purchase Normal Sale scope exception |
NRC | | Nuclear Regulatory Commission |
| | |
NWPA | | Nuclear Waste Policy Act of 1982 |
NYISO | | New York ISO |
NYMEX | | New York Mercantile Exchange |
NYPSC | | New York Public Service Commission |
| | |
OIESO | | Ontario Independent Electricity System Operator |
OPEB | | Other Postretirement Employee Benefits |
| | | | | | | | |
PA DEP | | Pennsylvania Department of Environmental Protection |
PAPUC | | Pennsylvania Public Utility Commission |
PCAOB | | Public Company Accounting Oversight Board |
PBO | | Projected Benefit Obligation |
| | |
Pension Protection Act (the Act) | | Pension Protection Act of 2006 |
| | |
PG&E | | Pacific Gas and Electric Company |
PJM | | PJM Interconnection, LLC |
| | |
PPA | | Power Purchase Agreement |
PP&E | | Property, Plant, and Equipment |
Price-Anderson Act | | Price-Anderson Nuclear Industries Indemnity Act of 1957 |
PRP | | Potentially Responsible Parties |
PSDAR | | Post-shutdown Decommissioning Activities Report |
PSEG | | Public Service Enterprise Group Incorporated |
PTC | | Production Tax Credit |
PUCT | | Public Utility Commission of Texas |
PV | | Photovoltaic |
| | |
RCRA | | Resource Conservation and Recovery Act of 1976, as amended |
REC | | Renewable Energy Credit which is issued for each megawatt hour of generation from a qualified renewable energy source |
Regulatory Agreement Units | | Nuclear generating units or portions thereof whose decommissioning-related activities are subject to contractual elimination under regulatory accounting |
| | |
RFP | | Request for Proposal |
| | |
RGGI | | Regional Greenhouse Gas Initiative |
RIN | | Renewable Identification Number |
RMC | | Risk Management Committee |
RMP | | Risk Management Policy |
RNF | | Revenue Net of Purchased Power and Fuel Expense |
RNG | | Renewable Natural Gas |
ROE | | Return on equity |
ROU | | Right-of-use |
| | |
RPS | | Renewable Energy Portfolio Standards |
| | |
| | |
| | |
| | |
RTO | | Regional Transmission Organization |
S&P | | Standard & Poor’s Ratings Services |
| | |
| | |
SEC | | United States Securities and Exchange Commission |
| | |
SERC | | SERC Reliability Corporation (formerly Southeast Electric Reliability Council) |
| | |
| | |
SNF | | Spent Nuclear Fuel |
SOA | | Society of Actuaries |
SOFR | | Secured Overnight Financing Rate |
SOS | | Standard Offer Service |
SPP | | Southwest Power Pool |
SSA | | Social Security Administration |
STEM | | Science, Technology, Engineering, and Mathematics |
| | |
| | |
| | |
| | |
TWh | | Terawatt-hour |
U.S. Court of Appeals for the D.C. Circuit | | United States Court of Appeals for the District of Columbia Circuit |
VIE | | Variable Interest Entity |
WECC | | Western Electric Coordinating Council |
ZEC | | Zero Emission Credit |
| | | | | | | | |
ZES | | Zero Emission Standard |
FILING FORMAT
This combined Annual Report on Form 10-K is being filed separately by Constellation Energy Corporation and Constellation Energy Generation, LLC, (Registrants). Information contained herein relating to any individual Registrant is filed by the Registrant on its own behalf.
CAUTIONARY STATEMENTS REGARDING FORWARD-LOOKING INFORMATION
This report contains certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 that are subject to risks and uncertainties. Words such as “could,” “may,” “expects,” “anticipates,” “will,” “targets,” “goals,” “projects,” “intends,” “plans,” “believes,” “seeks,” “estimates,” “predicts,” and variations on such words, and similar expressions that reflect our current views with respect to future events and operational, economic and financial performance, are intended to identify such forward-looking statements.
The factors that could cause actual results to differ materially from the forward-looking statements made by us include those factors discussed herein, including those factors discussed in (a) Part I, ITEM 1A. Risk Factors, (b) Part II, ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations, (c) Part II, ITEM 8. Financial Statements and Supplementary Data: Note 19, Commitments and Contingencies, and (d) other factors discussed in filings with the SEC by the Registrants.
Readers are cautioned not to place undue reliance on these forward-looking statements, which apply only as of the date of this report. None of the Registrants undertakes any obligation to publicly release any revision to its forward-looking statements to reflect events or circumstances after the date of this report.
WHERE TO FIND MORE INFORMATION
The SEC maintains an Internet site at www.sec.gov that contains reports, proxy and information statements, and other information that we file electronically with the SEC. These documents are also available to the public from commercial document retrieval services and our website at www.ConstellationEnergy.com. Information contained on our website shall not be deemed incorporated into, or to be a part of, this report.
PART I
General
On February 21, 2021, the Board of Directors of Exelon Corporation (“Exelon”) authorized management to pursue a plan to separate its competitive generation and customer-facing energy businesses, conducted through Constellation Energy Generation, LLC (“Constellation”, formerly Exelon Generation Company, LLC) and its subsidiaries, into an independent, publicly traded company. Constellation Energy Corporation (“CEG Parent” or the “Company”), a Pennsylvania corporation and a direct, wholly owned subsidiary of Exelon, was newly formed for the purpose of separation and had not engaged in any activities except in preparation for the distribution. On February 1, 2022, Exelon completed the separation by distributing all the outstanding shares of the Company’s common stock, on a pro rata basis to the holders of Exelon’s common stock, with the Company holding all the interests in Constellation previously held by Exelon (the "Separation"). As of 2002, Constellation has been an individual registrant since the registration of their public debt securities under the Securities Act. As an individual registrant, Constellation has historically filed consolidated financial statements to reflect their financial position and operating results as a stand-alone, wholly owned subsidiary of Exelon.
Unless otherwise indicated or the context otherwise requires, references herein to the terms "we," "our," "us" and "the Company" refer collectively to CEG Parent and Constellation. See Glossary for defined terms.
Our Business
We are the nation’s largest producer of carbon-free energy and a leading supplier of energy products and services to businesses, homes, community aggregations and public sector customers across the continental United States, including three-fourths of Fortune 100 companies. Our generation fleet of nuclear, hydro, wind, natural gas, and solar generation facilities has the generating capacity to power the equivalent of 15 million homes, producing 11 percent of the carbon-free energy in the United States. Constellation’s fleet is helping to accelerate the nation’s transition to a carbon-free future with more than 32,355 megawatts of capacity and an annual output that is nearly 90 percent carbon-free. This makes us an important partner to businesses and state and local governments that are setting ambitious carbon-reduction goals and seeking long-term solutions to the climate crisis. We employ approximately 13,370 people, and do business in 48 states, the District of Columbia, Canada, and the United Kingdom.
Our generation fleet produces more clean, carbon-free energy than any other company in the United States. We are committed to a clean energy future, and we believe our generation fleet is essential to helping meet clean energy targets, at both the state and national level. Our customer-facing business is one of the nation's largest competitive energy suppliers, offering innovative solutions along the sustainability continuum to meet customer clean energy and climate goals.
Our Operations
We operate the largest carbon-free generation fleet in the nation and are one of the largest competitive electric generation companies in the country, as measured by owned and contracted MWs. Collectively, the combined fleet is nearly 90% carbon-free (based on generation output of electricity) and is the fourth largest generation portfolio in the U.S. in terms of total generation with meaningful geographic diversity.
At December 31, 2022, our generating resources consisted of the following:
| | | | | |
Type of Capacity | MWs |
Owned generation assets(a) | |
Nuclear | 20,895 | |
Natural gas and oil | 8,807 | |
Renewable(b) | 2,653 | |
Owned generation assets | 32,355 | |
Contracted generation(c) | 3,883 | |
Total generating resources | 36,238 | |
__________
(a)Net generation capacity is stated at proportionate ownership share. See ITEM 2. PROPERTIES for additional information.
(b)Includes wind, hydroelectric, and solar generating assets.
(c)Electric supply procured under unit-specific agreements.
The following map illustrates the locations of our owned generation facilities as of December 31, 2022:
The Company's Generation Fleet Map(a)
Owned Assets(b)
Nuclear
Wind
Gas/Other
Solar
Hydro __________
(a)Note: One symbol is included per location. Some locations may have multiple generating units. Locations in tight geographic proximity may appear as one symbol. Units that are not currently operational are not captured.
(b)Does not reflect Grand Prairie Generating Station (Gas/Other), located in Alberta, Canada.
We have five reportable segments, as described in the table below, representing the different geographical areas in which our owned generating resources are located and our customer-facing activities are conducted.
| | | | | | | | | | | | | | | | | | | | |
Segment | | Net Generation Capacity (MWs)(a) | | % of Net Generation Capacity | | Geographical Area |
Mid-Atlantic | | 10,495 | | | 32 | % | | Eastern half of PJM, which includes New Jersey, Maryland, Virginia, West Virginia, Delaware, the District of Columbia, and parts of Pennsylvania and North Carolina |
Midwest | | 11,892 | | | 37 | % | | Western half of PJM and the United States footprint of MISO, excluding MISO’s Southern Region |
New York | | 3,093 | | | 10 | % | | NYISO |
ERCOT | | 3,610 | | | 11 | % | | Electric Reliability Council of Texas |
Other Power Regions | | 3,265 | | | 10 | % | | New England, South, West, and Canada |
Total | | 32,355 | | | 100 | % | | |
__________
(a)Net generation capacity is stated at proportionate ownership share as of December 31, 2022. See ITEM 2. PROPERTIES for additional information.
The following table shows sources of electric supply in GWhs for 2022 and 2021:
| | | | | | | | | | | |
| Source of Electric Supply |
| 2022 | | 2021 |
Nuclear(a)(b) | 173,350 | | | 172,990 | |
Purchases — non-trading portfolio | 70,682 | | | 67,605 | |
Natural gas and oil | 21,563 | | | 19,960 | |
Renewable(c) | 6,049 | | | 6,577 | |
Total Supply | 271,644 | | | 267,132 | |
__________
(a)Includes the proportionate share of output where we have an undivided ownership interest in jointly-owned generating plants and includes the total output of plans that are fully consolidated.
(b)2021 values have been revised from those previously reported to correctly reflect our 82% undivided ownership interest in Nine Mile Point Unit 2.
(c)Includes wind, hydroelectric, solar, and in 2021, biomass generating assets. See Note 2 — Mergers, Acquisitions, and Dispositions of the Combined Notes to Consolidated Financial Statements for additional information regarding the sale of our biomass facility.
Nuclear Facilities
Our nuclear fleet is the nation’s largest, with current generating capacity of approximately 21 gigawatts; it produced 173 terawatt hours of zero-emissions electricity during 2022 – enough to power 15.4 million homes and avoid more than 123 million metric tons of carbon emissions according to the EPA GHG Equivalencies Calculator. We have ownership interests in 13 nuclear generating stations currently in service, consisting of 23 units. As of December 31, 2022, we wholly own all our nuclear generating stations, except for undivided ownership interests in four jointly owned nuclear stations: Quad Cities (75% ownership), Peach Bottom (50% ownership), Salem (42.59% ownership), and Nine Mile Point Unit 2 (82% ownership), which are consolidated in our consolidated financial statements relative to our proportionate ownership interest in each unit. See ITEM 2. PROPERTIES for additional information on our nuclear facilities.
On August 6, 2021, Constellation and EDF entered into a settlement agreement pursuant to which we, through a wholly owned subsidiary, purchased EDF’s equity interest in CENG, a joint venture with EDF, which wholly owned the Calvert Cliffs and Ginna nuclear stations and Nine Mile Point Unit 1, in addition to the 82% undivided ownership interest in Nine Mile Point Unit 2. Prior to August 6, 2021, we had a 50.01% membership interest in CENG, however CENG is consolidated within our results for all periods presented. See Note 2 — Mergers, Acquisitions, and Dispositions and Note 22 — Variable Interest Entities of the Combined Notes to Consolidated
Financial Statements for additional information regarding the acquisition of EDF's equity interest in CENG and the CENG consolidation.
We operate all of these nuclear generating stations, except for the two units at Salem, which are operated by PSEG Nuclear, LLC (an indirect, wholly owned subsidiary of PSEG), and we have consistently operated our nuclear plants at best-in-class levels. During 2022, 2021, and 2020, our nuclear generating facilities achieved capacity factors(a)