ceg-20220331
2022Q1--12-3100018682750001168165FALSE0.333391111P3Y00018682752022-01-012022-03-310001868275ceg:ConstellationEnergyGenerationLLCMember2022-01-012022-03-3100018682752022-03-31xbrli:sharesiso4217:USD00018682752021-01-012021-03-31iso4217:USDxbrli:shares00018682752021-12-3100018682752020-12-3100018682752021-03-310001868275us-gaap:AssetPledgedAsCollateralMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2022-03-310001868275us-gaap:AssetPledgedAsCollateralMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-12-310001868275us-gaap:VariableInterestEntityPrimaryBeneficiaryMemberus-gaap:NonrecourseMember2022-03-310001868275us-gaap:VariableInterestEntityPrimaryBeneficiaryMemberus-gaap:NonrecourseMember2021-12-310001868275us-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:AccumulatedOtherComprehensiveIncomeMember2022-01-012022-01-310001868275us-gaap:NoncontrollingInterestMember2022-01-012022-01-310001868275us-gaap:CommonStockMember2022-01-012022-01-310001868275us-gaap:RetainedEarningsMember2022-02-012022-03-310001868275us-gaap:NoncontrollingInterestMember2022-02-012022-03-3100018682752022-02-012022-03-310001868275us-gaap:CommonStockMember2022-02-012022-03-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-02-012022-03-310001868275us-gaap:CommonStockMember2022-03-310001868275us-gaap:RetainedEarningsMember2022-03-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2022-03-310001868275us-gaap:NoncontrollingInterestMember2022-03-310001868275ceg:PredecessorMembersEquityMember2022-03-310001868275ceg:MembershipInterestMember2020-12-310001868275us-gaap:RetainedEarningsMember2020-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-12-310001868275us-gaap:NoncontrollingInterestMember2020-12-310001868275us-gaap:RetainedEarningsMember2021-01-012021-03-310001868275us-gaap:NoncontrollingInterestMember2021-01-012021-03-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-01-012021-03-310001868275ceg:MembershipInterestMember2021-03-310001868275us-gaap:RetainedEarningsMember2021-03-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-03-310001868275us-gaap:NoncontrollingInterestMember2021-03-310001868275ceg:ConstellationEnergyGenerationLLCMember2021-01-012021-03-310001868275ceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275ceg:ConstellationEnergyGenerationLLCMember2020-12-310001868275ceg:ConstellationEnergyGenerationLLCMember2022-03-310001868275ceg:ConstellationEnergyGenerationLLCMember2021-03-310001868275us-gaap:AssetPledgedAsCollateralMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMemberceg:ConstellationEnergyGenerationLLCMember2022-03-310001868275us-gaap:AssetPledgedAsCollateralMemberus-gaap:VariableInterestEntityPrimaryBeneficiaryMemberceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275us-gaap:VariableInterestEntityPrimaryBeneficiaryMemberus-gaap:NonrecourseMemberceg:ConstellationEnergyGenerationLLCMember2022-03-310001868275us-gaap:VariableInterestEntityPrimaryBeneficiaryMemberus-gaap:NonrecourseMemberceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275us-gaap:NoncontrollingInterestMemberceg:ConstellationEnergyGenerationLLCMember2021-12-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2022-01-012022-03-310001868275us-gaap:NoncontrollingInterestMemberceg:ConstellationEnergyGenerationLLCMember2022-01-012022-03-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2022-01-012022-03-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2022-01-012022-03-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2022-03-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2022-03-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2022-03-310001868275us-gaap:NoncontrollingInterestMemberceg:ConstellationEnergyGenerationLLCMember2022-03-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2020-12-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2020-12-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2020-12-310001868275us-gaap:NoncontrollingInterestMemberceg:ConstellationEnergyGenerationLLCMember2020-12-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2021-01-012021-03-310001868275us-gaap:NoncontrollingInterestMemberceg:ConstellationEnergyGenerationLLCMember2021-01-012021-03-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2021-01-012021-03-310001868275ceg:MembershipInterestMemberceg:ConstellationEnergyGenerationLLCMember2021-03-310001868275us-gaap:RetainedEarningsMemberceg:ConstellationEnergyGenerationLLCMember2021-03-310001868275us-gaap:AccumulatedOtherComprehensiveIncomeMemberceg:ConstellationEnergyGenerationLLCMember2021-03-310001868275us-gaap:NoncontrollingInterestMemberceg:ConstellationEnergyGenerationLLCMember2021-03-31ceg:segment00018682752022-01-312022-01-310001868275ceg:ExelonConsolidationMember2022-01-3100018682752022-01-310001868275us-gaap:PensionPlansDefinedBenefitMember2022-01-312022-01-3100018682752022-01-20xbrli:pure0001868275us-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:ExtremeColdWeatherConditionsMemberceg:ERCOTMember2021-02-152021-02-150001868275ceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMember2022-01-012022-03-310001868275ceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMember2021-01-012021-03-310001868275ceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMemberceg:ERCOTMember2022-03-310001868275ceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMemberceg:ERCOTMember2021-12-310001868275ceg:TexasBasedGeneratingAssetsMemberceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMember2022-03-310001868275ceg:TexasBasedGeneratingAssetsMemberceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMember2021-12-310001868275srt:MinimumMemberceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMember2022-01-012022-03-310001868275ceg:DefaultingMarketParticipantAndSettlementOfRegulatoryMattersMembersrt:MaximumMember2022-01-012022-03-310001868275ceg:ExtremeColdWeatherConditionsMemberceg:ERCOTMember2021-03-310001868275ceg:PublicUtilityCommissionOfTexasMemberceg:ERCOTMember2022-03-310001868275ceg:PeachBottomUnits2And3Member2020-03-062020-03-060001868275ceg:ContractLiabilityMember2022-01-012022-03-310001868275ceg:ContractLiabilityMember2021-01-012021-03-3100018682752022-04-012022-03-3100018682752023-01-012022-03-3100018682752024-01-012022-03-3100018682752025-01-012022-03-3100018682752026-01-012022-03-31ceg:Reportable_segment0001868275ceg:ConstellationMidAtlanticMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275ceg:ConstellationMidAtlanticMemberceg:OtherMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275ceg:ConstellationMidAtlanticMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275ceg:ConstellationMidAtlanticMemberus-gaap:IntersegmentEliminationMember2022-01-012022-03-310001868275ceg:ConstellationMidAtlanticMember2022-01-012022-03-310001868275ceg:ConstellationMidwestMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275ceg:OtherMemberceg:ConstellationMidwestMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275ceg:ConstellationMidwestMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationMidwestMember2022-01-012022-03-310001868275ceg:ConstellationMidwestMember2022-01-012022-03-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2022-01-012022-03-310001868275ceg:OtherMemberus-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2022-01-012022-03-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2022-01-012022-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationNewYorkMember2022-01-012022-03-310001868275ceg:ConstellationNewYorkMember2022-01-012022-03-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationERCOTMember2022-01-012022-03-310001868275ceg:OtherMemberus-gaap:OperatingSegmentsMemberceg:ConstellationERCOTMember2022-01-012022-03-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationERCOTMember2022-01-012022-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationERCOTMember2022-01-012022-03-310001868275ceg:ConstellationERCOTMember2022-01-012022-03-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2022-01-012022-03-310001868275ceg:OtherMemberus-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2022-01-012022-03-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2022-01-012022-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationOtherRegionsMember2022-01-012022-03-310001868275ceg:ConstellationOtherRegionsMember2022-01-012022-03-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2022-01-012022-03-310001868275ceg:OtherMemberus-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2022-01-012022-03-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2022-01-012022-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationReportableSegmentsTotalMember2022-01-012022-03-310001868275ceg:ConstellationReportableSegmentsTotalMember2022-01-012022-03-310001868275ceg:ConstellationNaturalGasMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275ceg:ConstellationNaturalGasMemberceg:OtherMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275ceg:ConstellationNaturalGasMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationNaturalGasMember2022-01-012022-03-310001868275ceg:ConstellationNaturalGasMember2022-01-012022-03-310001868275us-gaap:CorporateNonSegmentMemberceg:ConstellationAllOtherSegmentsMemberceg:ContractswithCustomersMember2022-01-012022-03-310001868275ceg:OtherMemberus-gaap:CorporateNonSegmentMemberceg:ConstellationAllOtherSegmentsMember2022-01-012022-03-310001868275us-gaap:CorporateNonSegmentMemberceg:ConstellationAllOtherSegmentsMember2022-01-012022-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationAllOtherSegmentsMember2022-01-012022-03-310001868275ceg:ConstellationAllOtherSegmentsMember2022-01-012022-03-310001868275ceg:ConstellationTotalConsolidatedGroupMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275ceg:OtherMemberceg:ConstellationTotalConsolidatedGroupMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275ceg:ConstellationTotalConsolidatedGroupMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationTotalConsolidatedGroupMember2022-01-012022-03-310001868275ceg:ConstellationTotalConsolidatedGroupMember2022-01-012022-03-310001868275ceg:ConstellationMidAtlanticMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275ceg:ConstellationMidAtlanticMemberceg:OtherMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275ceg:ConstellationMidAtlanticMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275ceg:ConstellationMidAtlanticMemberus-gaap:IntersegmentEliminationMember2021-01-012021-03-310001868275ceg:ConstellationMidAtlanticMember2021-01-012021-03-310001868275ceg:ConstellationMidwestMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275ceg:OtherMemberceg:ConstellationMidwestMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275ceg:ConstellationMidwestMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationMidwestMember2021-01-012021-03-310001868275ceg:ConstellationMidwestMember2021-01-012021-03-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2021-01-012021-03-310001868275ceg:OtherMemberus-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2021-01-012021-03-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationNewYorkMember2021-01-012021-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationNewYorkMember2021-01-012021-03-310001868275ceg:ConstellationNewYorkMember2021-01-012021-03-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationERCOTMember2021-01-012021-03-310001868275ceg:OtherMemberus-gaap:OperatingSegmentsMemberceg:ConstellationERCOTMember2021-01-012021-03-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationERCOTMember2021-01-012021-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationERCOTMember2021-01-012021-03-310001868275ceg:ConstellationERCOTMember2021-01-012021-03-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2021-01-012021-03-310001868275ceg:OtherMemberus-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2021-01-012021-03-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationOtherRegionsMember2021-01-012021-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationOtherRegionsMember2021-01-012021-03-310001868275ceg:ConstellationOtherRegionsMember2021-01-012021-03-310001868275ceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2021-01-012021-03-310001868275ceg:OtherMemberus-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2021-01-012021-03-310001868275us-gaap:OperatingSegmentsMemberceg:ConstellationReportableSegmentsTotalMember2021-01-012021-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationReportableSegmentsTotalMember2021-01-012021-03-310001868275ceg:ConstellationReportableSegmentsTotalMember2021-01-012021-03-310001868275ceg:ConstellationNaturalGasMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275ceg:ConstellationNaturalGasMemberceg:OtherMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275ceg:ConstellationNaturalGasMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationNaturalGasMember2021-01-012021-03-310001868275ceg:ConstellationNaturalGasMember2021-01-012021-03-310001868275us-gaap:CorporateNonSegmentMemberceg:ConstellationAllOtherSegmentsMemberceg:ContractswithCustomersMember2021-01-012021-03-310001868275ceg:OtherMemberus-gaap:CorporateNonSegmentMemberceg:ConstellationAllOtherSegmentsMember2021-01-012021-03-310001868275us-gaap:CorporateNonSegmentMemberceg:ConstellationAllOtherSegmentsMember2021-01-012021-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationAllOtherSegmentsMember2021-01-012021-03-310001868275ceg:ConstellationAllOtherSegmentsMember2021-01-012021-03-310001868275ceg:ConstellationTotalConsolidatedGroupMemberceg:ContractswithCustomersMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275ceg:OtherMemberceg:ConstellationTotalConsolidatedGroupMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275ceg:ConstellationTotalConsolidatedGroupMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275us-gaap:IntersegmentEliminationMemberceg:ConstellationTotalConsolidatedGroupMember2021-01-012021-03-310001868275ceg:ConstellationTotalConsolidatedGroupMember2021-01-012021-03-310001868275ceg:ConstellationAllOtherSegmentsMemberus-gaap:OperatingSegmentsMember2022-01-012022-03-310001868275ceg:ConstellationAllOtherSegmentsMemberus-gaap:OperatingSegmentsMember2021-01-012021-03-310001868275us-gaap:TradeAccountsReceivableMember2021-12-310001868275us-gaap:TradeAccountsReceivableMember2022-01-012022-03-310001868275us-gaap:TradeAccountsReceivableMember2022-03-310001868275us-gaap:TradeAccountsReceivableMember2020-12-310001868275us-gaap:TradeAccountsReceivableMember2021-01-012021-03-310001868275us-gaap:TradeAccountsReceivableMember2021-03-310001868275ceg:SaleOfAccountsReceivableMember2020-04-080001868275ceg:SaleOfAccountsReceivableMember2022-03-310001868275ceg:SaleOfAccountsReceivableMember2021-12-310001868275ceg:SaleOfAccountsReceivableMember2022-01-012022-03-310001868275ceg:SaleOfAccountsReceivableMember2021-01-012021-03-310001868275ceg:ExelonUtilityRegistrantsAffiliatesMember2022-01-012022-03-310001868275ceg:ExelonUtilityRegistrantsAffiliatesMember2021-01-012021-03-310001868275us-gaap:FacilityClosingMemberceg:ByronDresdenMember2021-01-012021-03-310001868275ceg:ConstellationNewEnglandMember2021-01-012021-03-310001868275ceg:NuclearDecommissioningMember2021-12-310001868275ceg:NuclearDecommissioningMember2022-01-012022-03-310001868275ceg:NuclearDecommissioningMember2022-03-310001868275us-gaap:AssetsTotalMember2022-03-310001868275us-gaap:AssetsTotalMember2021-12-310001868275us-gaap:OtherCurrentAssetsMember2022-03-310001868275us-gaap:OtherCurrentAssetsMember2021-12-310001868275ceg:CommonwealthEdisonCoAffiliateMember2022-03-310001868275ceg:CommonwealthEdisonCoAffiliateMember2021-12-310001868275ceg:PecoEnergyCoAffiliateMember2022-03-310001868275ceg:PecoEnergyCoAffiliateMember2021-12-310001868275ceg:NineMilePointMember2022-03-310001868275ceg:SeparationFromParentMember2022-03-310001868275ceg:SeparationFromParentMemberus-gaap:AccountsPayableMember2022-03-310001868275ceg:SeparationFromParentMemberus-gaap:OtherNoncurrentLiabilitiesMember2022-03-310001868275us-gaap:PensionPlansDefinedBenefitMember2022-02-010001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-02-0100018682752022-02-012022-02-010001868275us-gaap:PensionPlansDefinedBenefitMember2022-03-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-03-310001868275us-gaap:PensionPlansDefinedBenefitMember2021-12-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2021-12-310001868275us-gaap:PensionPlansDefinedBenefitMember2022-01-012022-03-310001868275us-gaap:PensionPlansDefinedBenefitMember2021-01-012021-03-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2022-01-012022-03-310001868275us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2021-01-012021-03-310001868275us-gaap:PensionPlansDefinedBenefitMember2022-02-012022-02-280001868275us-gaap:NonqualifiedPlanMember2022-03-310001868275ceg:NonqualifiedPlanAndOtherPostretirementBenefitsPlansMember2022-01-012022-03-310001868275us-gaap:CommodityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2022-03-310001868275us-gaap:CommodityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentTradingMember2022-03-310001868275us-gaap:CommodityContractMemberceg:CollateralMember2022-03-310001868275us-gaap:CommodityContractMemberceg:NettingMember2022-03-310001868275us-gaap:CommodityContractMember2022-03-310001868275us-gaap:CommodityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2021-12-310001868275us-gaap:CommodityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentTradingMember2021-12-310001868275us-gaap:CommodityContractMemberceg:CollateralMember2021-12-310001868275us-gaap:CommodityContractMemberceg:NettingMember2021-12-310001868275us-gaap:CommodityContractMember2021-12-310001868275us-gaap:CommodityContractMemberceg:OperatingRevenueMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2022-01-012022-03-310001868275us-gaap:CommodityContractMemberceg:OperatingRevenueMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2021-01-012021-03-310001868275us-gaap:CommodityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberceg:PurchasedPowerAndFuelMember2022-01-012022-03-310001868275us-gaap:CommodityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberceg:PurchasedPowerAndFuelMember2021-01-012021-03-310001868275us-gaap:CommodityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2022-01-012022-03-310001868275us-gaap:CommodityContractMemberus-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMember2021-01-012021-03-310001868275srt:MinimumMember2022-01-012022-03-310001868275srt:MaximumMember2022-01-012022-03-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:InterestRateSwapMember2022-03-310001868275us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedgeMemberus-gaap:InterestRateSwapMember2021-12-310001868275us-gaap:ExternalCreditRatingInvestmentGradeMemberus-gaap:FairValueConcentrationOfRiskMaximumAmountOfLossMember2022-01-012022-03-310001868275us-gaap:ExternalCreditRatingInvestmentGradeMemberceg:CreditCollateralMember2022-01-012022-03-310001868275us-gaap:ExternalCreditRatingInvestmentGradeMemberceg:NetExposureMember2022-01-012022-03-310001868275us-gaap:ExternalCreditRatingInvestmentGradeMemberceg:NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-03-31ceg:counterparty0001868275us-gaap:ExternalCreditRatingInvestmentGradeMemberceg:NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-01-012022-03-310001868275us-gaap:ExternalCreditRatingNonInvestmentGradeMemberus-gaap:FairValueConcentrationOfRiskMaximumAmountOfLossMember2022-01-012022-03-310001868275us-gaap:ExternalCreditRatingNonInvestmentGradeMemberceg:CreditCollateralMember2022-01-012022-03-310001868275us-gaap:ExternalCreditRatingNonInvestmentGradeMemberceg:NetExposureMember2022-01-012022-03-310001868275us-gaap:ExternalCreditRatingNonInvestmentGradeMemberceg:NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-03-310001868275us-gaap:ExternalCreditRatingNonInvestmentGradeMemberceg:NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-01-012022-03-310001868275us-gaap:InternalInvestmentGradeMemberus-gaap:FairValueConcentrationOfRiskMaximumAmountOfLossMember2022-01-012022-03-310001868275us-gaap:InternalInvestmentGradeMemberceg:CreditCollateralMember2022-01-012022-03-310001868275us-gaap:InternalInvestmentGradeMemberceg:NetExposureMember2022-01-012022-03-310001868275us-gaap:InternalInvestmentGradeMemberceg:NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-03-310001868275us-gaap:InternalInvestmentGradeMemberceg:NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-01-012022-03-310001868275us-gaap:InternalNoninvestmentGradeMemberus-gaap:FairValueConcentrationOfRiskMaximumAmountOfLossMember2022-01-012022-03-310001868275us-gaap:InternalNoninvestmentGradeMemberceg:CreditCollateralMember2022-01-012022-03-310001868275us-gaap:InternalNoninvestmentGradeMemberceg:NetExposureMember2022-01-012022-03-310001868275us-gaap:InternalNoninvestmentGradeMemberceg:NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-03-310001868275us-gaap:InternalNoninvestmentGradeMemberceg:NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-01-012022-03-310001868275us-gaap:FairValueConcentrationOfRiskMaximumAmountOfLossMember2022-01-012022-03-310001868275ceg:CreditCollateralMember2022-01-012022-03-310001868275ceg:NetExposureMember2022-01-012022-03-310001868275ceg:NumberOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-03-310001868275ceg:NetExposureOfCounterpartiesGreaterThanTenPercentOfNetExposureMember2022-01-012022-03-310001868275ceg:NetExposureMemberceg:FinancialInstitutionsMember2022-01-012022-03-310001868275ceg:InvestorOwnedUtilitiesMarketersPowerProducersMemberceg:NetExposureMember2022-01-012022-03-310001868275ceg:NetExposureMemberceg:EnergyCooperativesAndMunicipalitiesMember2022-01-012022-03-310001868275ceg:OtherMemberceg:NetExposureMember2022-01-012022-03-310001868275us-gaap:CommercialPaperMember2022-03-310001868275us-gaap:CommercialPaperMember2021-12-310001868275us-gaap:RevolvingCreditFacilityMember2022-02-010001868275us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:RevolvingCreditFacilityMember2022-02-012022-02-010001868275ceg:LiquidityFacilityMember2022-02-090001868275us-gaap:RevolvingCreditFacilityMember2022-03-310001868275ceg:BilateralCreditAgreementsMember2022-03-310001868275ceg:LiquidityFacilityMember2022-03-310001868275us-gaap:SecuredDebtMember2022-03-310001868275ceg:CommunityAndMinorityFacilitiesMemberus-gaap:RevolvingCreditFacilityMember2022-03-310001868275ceg:CommunityAndMinorityFacilitiesMemberus-gaap:LetterOfCreditMemberus-gaap:RevolvingCreditFacilityMember2022-03-310001868275us-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:UnsecuredDebtMemberceg:TermLoanMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember2022-03-292022-03-290001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMember2021-08-062021-08-060001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMember2021-08-060001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMemberus-gaap:LondonInterbankOfferedRateLIBORMember2021-08-062021-08-060001868275us-gaap:UnsecuredDebtMemberceg:TermLoanMembersrt:ScenarioForecastMemberus-gaap:LondonInterbankOfferedRateLIBORMember2022-04-012022-08-050001868275srt:MinimumMemberceg:EnergyEfficiencyProjectFinancingMember2022-03-310001868275ceg:EnergyEfficiencyProjectFinancingMembersrt:MaximumMember2022-03-310001868275ceg:EnergyEfficiencyProjectFinancingMember2022-03-310001868275ceg:SeniorNotesDueMarch2022Memberus-gaap:SeniorNotesMember2022-03-310001868275ceg:SeniorNotesDueJune2022Memberus-gaap:SeniorNotesMember2022-03-310001868275ceg:ContinentalWindMemberus-gaap:NonrecourseMember2022-03-310001868275srt:MinimumMemberceg:AntelopeValleyMemberus-gaap:NonrecourseMember2022-03-310001868275ceg:AntelopeValleyMemberus-gaap:NonrecourseMembersrt:MaximumMember2022-03-310001868275ceg:AntelopeValleyMemberus-gaap:NonrecourseMember2022-03-310001868275ceg:WestMedwayIILLCMemberus-gaap:NonrecourseMember2022-03-310001868275ceg:RenewablePowerGenerationMemberus-gaap:NonrecourseMember2022-03-310001868275ceg:ExelonCorporateMember2021-12-310001868275ceg:ExelonCorporateMember2022-01-312022-01-310001868275ceg:RelatedPartyDebtMember2022-01-310001868275us-gaap:CarryingReportedAmountFairValueDisclosureMember2022-03-310001868275us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2022-03-310001868275us-gaap:EstimateOfFairValueFairValueDisclosureMember2022-03-310001868275us-gaap:CarryingReportedAmountFairValueDisclosureMember2021-12-310001868275us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2021-12-310001868275us-gaap:EstimateOfFairValueFairValueDisclosureMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:CashEquivalentsNDTMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:CashEquivalentsNDTMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:CashEquivalentsNDTMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:CashEquivalentsNDTMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:CashEquivalentsNDTMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:CashEquivalentsNDTMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:CashEquivalentsNDTMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:CashEquivalentsNDTMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:CashEquivalentsNDTMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:CashEquivalentsNDTMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:EquitySecuritiesNuclearDecommissioningTrustFundMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:EquitySecuritiesNuclearDecommissioningTrustFundMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:EquitySecuritiesNuclearDecommissioningTrustFundMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:EquitySecuritiesNuclearDecommissioningTrustFundMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EquitySecuritiesNuclearDecommissioningTrustFundMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:EquitySecuritiesNuclearDecommissioningTrustFundMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:EquitySecuritiesNuclearDecommissioningTrustFundMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:EquitySecuritiesNuclearDecommissioningTrustFundMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:EquitySecuritiesNuclearDecommissioningTrustFundMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EquitySecuritiesNuclearDecommissioningTrustFundMember2021-12-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-03-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:CorporateDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275us-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:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-03-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:USTreasuryAndGovernmentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275us-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:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-03-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:ForeignGovernmentDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275us-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:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:USStatesAndPoliticalSubdivisionsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:USStatesAndPoliticalSubdivisionsMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:USStatesAndPoliticalSubdivisionsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:USStatesAndPoliticalSubdivisionsMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:OtherFixedIncomeMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:OtherFixedIncomeMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:OtherFixedIncomeMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:OtherFixedIncomeMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:OtherFixedIncomeMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:OtherFixedIncomeMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:OtherFixedIncomeMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:OtherFixedIncomeMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:OtherFixedIncomeMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:OtherFixedIncomeMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FixedIncomeSecuritiesMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FixedIncomeSecuritiesMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FixedIncomeSecuritiesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:PrivateCreditMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:PrivateCreditMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:PrivateCreditMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:PrivateCreditMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:PrivateCreditMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:PrivateCreditMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:PrivateCreditMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:PrivateCreditMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:PrivateCreditMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:PrivateCreditMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PrivateEquityFundsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PrivateEquityFundsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:PrivateEquityFundsMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PrivateEquityFundsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PrivateEquityFundsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:PrivateEquityFundsMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:PrivateEquityFundsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:RealEstateFundsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:RealEstateFundsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:RealEstateFundsMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:RealEstateFundsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:RealEstateFundsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:RealEstateFundsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberus-gaap:RealEstateFundsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:RealEstateFundsMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:RealEstateFundsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:RealEstateFundsMember2021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-03-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:CashEquivalentsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275us-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:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:MutualFundMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MutualFundMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MutualFundMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MutualFundMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MutualFundMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:MutualFundMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MutualFundMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MutualFundMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MutualFundMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:MutualFundMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Membersic:Z63112022-03-310001868275us-gaap:FairValueMeasurementsRecurringMembersic:Z6311us-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Membersic:Z63112022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMembersic:Z63112022-03-310001868275us-gaap:FairValueMeasurementsRecurringMembersic:Z63112022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Membersic:Z63112021-12-310001868275us-gaap:FairValueMeasurementsRecurringMembersic:Z6311us-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Membersic:Z63112021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMembersic:Z63112021-12-310001868275us-gaap:FairValueMeasurementsRecurringMembersic:Z63112021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:RabbiTrustInvestmentsMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:RabbiTrustInvestmentsMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:RabbiTrustInvestmentsMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:RabbiTrustInvestmentsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:RabbiTrustInvestmentsMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:RabbiTrustInvestmentsMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:RabbiTrustInvestmentsMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:RabbiTrustInvestmentsMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:RabbiTrustInvestmentsMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:RabbiTrustInvestmentsMember2021-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:EconomicHedgingInstrumentMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EconomicHedgingInstrumentMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgingInstrumentMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:EconomicHedgingInstrumentMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EconomicHedgingInstrumentMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:EconomicHedgingInstrumentMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EconomicHedgingInstrumentMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgingInstrumentMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:EconomicHedgingInstrumentMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EconomicHedgingInstrumentMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:ProprietaryTradingMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:ProprietaryTradingMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:ProprietaryTradingMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:ProprietaryTradingMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:EffectsofNettingandAllocationofCollateralMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:EffectsofNettingandAllocationofCollateralMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralMember2021-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2022-03-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275ceg:CommodityDerivativeAssetsMemberus-gaap:FairValueMeasurementsRecurringMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:EconomicHedgingInstrumentLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:EconomicHedgingInstrumentLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgingInstrumentLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:EconomicHedgingInstrumentLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EconomicHedgingInstrumentLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:EconomicHedgingInstrumentLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:EconomicHedgingInstrumentLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgingInstrumentLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:EconomicHedgingInstrumentLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EconomicHedgingInstrumentLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueInputsLevel1Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:ProprietaryTradingLiabilitiesMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingLiabilitiesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingLiabilitiesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueInputsLevel1Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingLiabilitiesMemberus-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:ProprietaryTradingLiabilitiesMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingLiabilitiesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:ProprietaryTradingLiabilitiesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:EffectsofNettingandAllocationofCollateralLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:EffectsofNettingandAllocationofCollateralLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:EffectsofNettingandAllocationofCollateralLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:EffectsofNettingandAllocationofCollateralLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:EffectsofNettingandAllocationofCollateralLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:EffectsofNettingandAllocationofCollateralLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:EffectsofNettingandAllocationofCollateralLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:CommodityDerivativeLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:CommodityDerivativeLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:CommodityDerivativeLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:CommodityDerivativeLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:CommodityDerivativeLiabilitesMember2022-03-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberceg:CommodityDerivativeLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Memberceg:CommodityDerivativeLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberceg:CommodityDerivativeLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:FairValueMeasurementsRecurringMemberceg:CommodityDerivativeLiabilitesMember2021-12-310001868275us-gaap:FairValueMeasurementsRecurringMemberceg:CommodityDerivativeLiabilitesMember2021-12-310001868275us-gaap:CashAndCashEquivalentsMember2022-03-310001868275us-gaap:CashAndCashEquivalentsMember2021-12-310001868275ceg:RestrictedcashMemberceg:ConstellationEnergyGenerationLLCMember2022-03-310001868275ceg:RestrictedcashMember2021-12-310001868275ceg:RestrictedcashMembersrt:ParentCompanyMember2022-03-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:MaturityUpTo30DaysMember2022-03-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:MaturityUpTo30DaysMember2021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMember2022-03-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMember2021-12-3100018682752021-01-012021-12-310001868275us-gaap:FairValueInputsLevel1Member2022-03-310001868275us-gaap:FairValueInputsLevel2Member2022-03-310001868275us-gaap:FairValueInputsLevel3Member2022-03-310001868275us-gaap:FairValueInputsLevel1Member2021-12-310001868275us-gaap:FairValueInputsLevel2Member2021-12-310001868275us-gaap:FairValueInputsLevel3Member2021-12-310001868275ceg:PrivateCreditMember2022-03-310001868275us-gaap:PrivateEquityFundsMember2022-03-310001868275us-gaap:RealEstateFundsMember2022-03-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:DerivativeMemberus-gaap:FairValueInputsLevel3Member2021-12-310001868275us-gaap:FairValueInputsLevel3Membersic:Z63112021-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueInputsLevel3Member2022-01-012022-03-310001868275us-gaap:DerivativeMemberus-gaap:FairValueInputsLevel3Member2022-01-012022-03-310001868275us-gaap:FairValueInputsLevel3Membersic:Z63112022-01-012022-03-310001868275us-gaap:FairValueInputsLevel3Member2022-01-012022-03-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueInputsLevel3Member2022-03-310001868275us-gaap:DerivativeMemberus-gaap:FairValueInputsLevel3Member2022-03-310001868275us-gaap:FairValueInputsLevel3Membersic:Z63112022-03-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueInputsLevel3Member2020-12-310001868275us-gaap:DerivativeMemberus-gaap:FairValueInputsLevel3Member2020-12-310001868275us-gaap:FairValueInputsLevel3Member2020-12-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueInputsLevel3Member2021-01-012021-03-310001868275us-gaap:DerivativeMemberus-gaap:FairValueInputsLevel3Member2021-01-012021-03-310001868275us-gaap:FairValueInputsLevel3Member2021-01-012021-03-310001868275ceg:NuclearDecommissioningTrustFundInvestmentsMemberus-gaap:FairValueInputsLevel3Member2021-03-310001868275us-gaap:DerivativeMemberus-gaap:FairValueInputsLevel3Member2021-03-310001868275us-gaap:FairValueInputsLevel3Member2021-03-310001868275us-gaap:FairValueInputsLevel3Memberceg:OperatingRevenueMember2022-01-012022-03-310001868275us-gaap:FairValueInputsLevel3Memberceg:PurchasedPowerAndFuelMember2022-01-012022-03-310001868275us-gaap:FairValueInputsLevel3Memberceg:OtherNetMember2022-01-012022-03-310001868275us-gaap:FairValueInputsLevel3Memberceg:OperatingRevenueMember2021-01-012021-03-310001868275us-gaap:FairValueInputsLevel3Memberceg:PurchasedPowerAndFuelMember2021-01-012021-03-310001868275us-gaap:FairValueInputsLevel3Memberceg:OtherNetMember2021-01-012021-03-310001868275us-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2022-03-310001868275us-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMember2021-12-310001868275srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMemberus-gaap:IncomeApproachValuationTechniqueMember2022-03-310001868275us-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMemberus-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMember2022-03-310001868275us-gaap:FairValueInputsLevel3Membersrt:ArithmeticAverageMemberceg:EconomicHedgesMemberus-gaap:IncomeApproachValuationTechniqueMember2022-03-310001868275srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMemberus-gaap:IncomeApproachValuationTechniqueMember2021-12-310001868275us-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMemberus-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMember2021-12-310001868275us-gaap:FairValueInputsLevel3Membersrt:ArithmeticAverageMemberceg:EconomicHedgesMemberus-gaap:IncomeApproachValuationTechniqueMember2021-12-310001868275srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMemberceg:OptionModelValuationTechniqueMember2022-03-310001868275us-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMemberceg:OptionModelValuationTechniqueMembersrt:MaximumMember2022-03-310001868275us-gaap:FairValueInputsLevel3Membersrt:ArithmeticAverageMemberceg:EconomicHedgesMemberceg:OptionModelValuationTechniqueMember2022-03-310001868275srt:MinimumMemberus-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMemberceg:OptionModelValuationTechniqueMember2021-12-310001868275us-gaap:FairValueInputsLevel3Memberceg:EconomicHedgesMemberceg:OptionModelValuationTechniqueMembersrt:MaximumMember2021-12-310001868275us-gaap:FairValueInputsLevel3Membersrt:ArithmeticAverageMemberceg:EconomicHedgesMemberceg:OptionModelValuationTechniqueMember2021-12-310001868275us-gaap:FinancialStandbyLetterOfCreditMember2022-03-310001868275us-gaap:SuretyBondMember2022-03-310001868275ceg:WestLakeMember2018-09-300001868275ceg:WestLakeMember2018-01-310001868275ceg:LattyAvenueMember2020-08-030001868275ceg:OpenClaimsMember2022-03-31ceg:Open_claim0001868275ceg:EstimatedFutureClaimsMember2022-03-310001868275ceg:LDCDamagesMember2021-03-222021-03-220001868275ceg:LDCDamagesMember2022-03-310001868275ceg:LongTermIncentivePlanMember2022-02-010001868275ceg:LongTermIncentivePlanMemberus-gaap:PerformanceSharesMember2022-01-012022-03-310001868275ceg:LongTermIncentivePlanMember2022-01-012022-03-310001868275ceg:LongTermIncentivePlanMemberus-gaap:PerformanceSharesMember2022-03-310001868275srt:MinimumMemberceg:LongTermIncentivePlanMemberus-gaap:RestrictedStockMember2022-01-012022-03-310001868275ceg:LongTermIncentivePlanMembersrt:MaximumMemberus-gaap:RestrictedStockMember2022-01-012022-03-310001868275ceg:LongTermIncentivePlanMemberus-gaap:RestrictedStockMember2022-01-012022-03-310001868275ceg:LongTermIncentivePlanMemberus-gaap:RestrictedStockMember2022-03-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2021-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2021-12-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2021-12-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2021-12-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2022-01-012022-03-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-01-012022-03-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2022-01-012022-03-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2022-01-012022-03-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2022-03-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2022-03-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2022-03-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2022-03-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2020-12-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2020-12-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2020-12-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2020-12-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2021-01-012021-03-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2021-01-012021-03-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2021-01-012021-03-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2021-01-012021-03-310001868275us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember2021-03-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2021-03-310001868275us-gaap:AccumulatedTranslationAdjustmentMember2021-03-310001868275us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestMember2021-03-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember2022-01-012022-03-310001868275us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember2021-01-012021-03-310001868275us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2022-03-310001868275us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-12-310001868275us-gaap:RecourseMember2022-03-310001868275us-gaap:RecourseMember2021-12-310001868275ceg:CRPMember2022-03-310001868275ceg:CRPMember2021-12-310001868275ceg:AntelopeValleyMember2021-12-310001868275ceg:AntelopeValleyMember2022-03-310001868275ceg:NERMember2022-03-310001868275ceg:NERMember2021-12-310001868275ceg:SolarProjectEntitiesMember2022-03-310001868275ceg:WindProjectEntitiesMember2022-03-310001868275ceg:CommercialAgreementVIEMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-03-310001868275us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberceg:EquityInvestmentVIEMember2022-03-310001868275us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2022-03-310001868275ceg:CommercialAgreementVIEMemberus-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2021-12-310001868275us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMemberceg:EquityInvestmentVIEMember2021-12-310001868275us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember2021-12-310001868275ceg:UnamortizedEnergyContractsMember2022-01-012022-03-310001868275ceg:UnamortizedEnergyContractsMember2021-01-012021-03-310001868275ceg:CommonwealthEdisonCoAffiliateMember2022-01-012022-03-310001868275ceg:CommonwealthEdisonCoAffiliateMember2021-01-012021-03-310001868275ceg:PecoEnergyCoAffiliateMember2022-01-012022-03-310001868275ceg:PecoEnergyCoAffiliateMember2021-01-012021-03-310001868275ceg:BaltimoreGasAndElectricCompanyAffiliateMember2022-01-012022-03-310001868275ceg:BaltimoreGasAndElectricCompanyAffiliateMember2021-01-012021-03-310001868275ceg:PepcoHoldingsLLCAffiliateMember2022-01-012022-03-310001868275ceg:PepcoHoldingsLLCAffiliateMember2021-01-012021-03-310001868275ceg:PotomacElectricPowerCoAffiliateMember2022-01-012022-03-310001868275ceg:PotomacElectricPowerCoAffiliateMember2021-01-012021-03-310001868275ceg:DelmarvaPowerandLightCoAffiliateMember2022-01-012022-03-310001868275ceg:DelmarvaPowerandLightCoAffiliateMember2021-01-012021-03-310001868275ceg:AtlanticCityElectricCoAffiliateMember2022-01-012022-03-310001868275ceg:AtlanticCityElectricCoAffiliateMember2021-01-012021-03-310001868275ceg:ExelonBusinessServicesCoAffiliateMember2022-01-012022-03-310001868275ceg:ExelonBusinessServicesCoAffiliateMember2021-01-012021-03-310001868275ceg:BaltimoreGasAndElectricCompanyAffiliateMember2021-12-310001868275ceg:PotomacElectricPowerCoAffiliateMember2021-12-310001868275ceg:DelmarvaPowerandLightCoAffiliateMember2021-12-310001868275ceg:AtlanticCityElectricCoAffiliateMember2021-12-310001868275ceg:ExelonBusinessServicesCoAffiliateMember2021-12-310001868275ceg:OtherAffiliateMember2021-12-31

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 10-Q
 QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the Quarterly Period Ended March 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 NumberIRS Employer Identification Number
001-41137CONSTELLATION ENERGY CORPORATION87-1210716
(a Pennsylvania corporation)
1310 Point Street
Baltimore, Maryland 21231-3380
(610) 765-5959
333-85496CONSTELLATION ENERGY GENERATION, LLC23-3064219
(a Pennsylvania limited liability company)
200 Exelon Way
Kennett Square, Pennsylvania 19348-2473
(610) 765-5959
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
CONSTELLATION ENERGY CORPORATION:
Common Stock, without par valueCEGThe Nasdaq Stock Market LLC
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 CorporationYesxNo
Constellation Energy Generation, LLCYesxNo
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 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 CorporationLarge Accelerated Filer
Accelerated Filer
Non-accelerated FilerxSmaller Reporting Company
Emerging Growth Company
Constellation Energy Generation, LLCLarge Accelerated Filer
Accelerated Filer
Non-accelerated FilerxSmaller 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 is a shell company (as defined in Rule 12b-2 of the Act).  Yes    No  x
The number of shares outstanding of each registrant’s common stock as of March 31, 2022 was as follows:
Constellation Energy Corporation Common Stock, without par value326,698,937 
Constellation Energy Generation, LLCNot applicable






TABLE OF CONTENTS
 Page No.





Table of Contents
GLOSSARY OF TERMS AND ABBREVIATIONS
Constellation Energy Corporation and Related Entities
CEG ParentConstellation Energy Corporation
ConstellationConstellation Energy Generation, LLC (formerly Exelon Generation Company, LLC)
RegistrantsCEG Parent and Constellation, collectively
Antelope ValleyAntelope Valley Solar Ranch One
CENGConstellation Energy Nuclear Group, LLC
CRConstellation Renewables, LLC (formerly ExGen Renewables IV, LLC)
CRPConstellation Renewables Partners, LLC (formerly ExGen Renewables Partners, LLC)
FitzPatrickJames A. FitzPatrick nuclear generating station
GinnaR. E. Ginna nuclear generating station
NERNewEnergy Receivables LLC
NMPNine Mile Point nuclear generating station
RPGRenewable Power Generation, LLC
SolGenSolGen, LLC
TMIThree Mile Island nuclear facility

Former Related Entities
ExelonExelon Corporation
ComEdCommonwealth Edison Company
PECOPECO Energy Company
BGEBaltimore Gas and Electric Company
Pepco Holdings or PHIPepco Holdings LLC (formerly Pepco Holdings, Inc.)
PepcoPotomac Electric Power Company
DPLDelmarva Power & Light Company
ACEAtlantic City Electric Company
BSCExelon Business Services Company, LLC























1




Table of Contents
GLOSSARY OF TERMS AND ABBREVIATIONS
Other Terms and Abbreviations
Note - of the 2021 Form 10-KReference to specific Note to Consolidated Financial Statements within our 2021 Annual Report on Form 10-K
AECAlternative Energy Credit that is issued for each megawatt hour of generation from a qualified alternative energy source
AESOAlberta Electric Systems Operator
AOCIAccumulated Other Comprehensive Income (Loss)
APBOAccumulated Postretirement Benefit Obligation
ARCAsset Retirement Cost
AROAsset Retirement Obligation
Brookfield RenewableBrookfield Renewable Partners, L.P.
CESClean Energy Standard
Clean Energy LawIllinois Public Act 102-0062 signed into law on September 15, 2021
Clean Water ActFederal Water Pollution Control Amendments of 1972, as amended
CMCCarbon Mitigation Credit
CODMChief Operating Decision Maker
DCPSCDistrict of Columbia Public Service Commission
DEPSCDelaware Public Service Commission
DOEUnited States Department of Energy
DOJUnited States Department of Justice
DPPDeferred Purchase Price
EBITDAEarnings Before Interest, Tax, Depreciation and Amortization
EDFElectricite de France SA and its subsidiaries
EPAUnited States Environmental Protection Agency
ERCOTElectric Reliability Council of Texas
ERISAEmployee Retirement Income Security Act of 1974, as amended
EROAExpected Rate of Return on Assets
FERCFederal Energy Regulatory Commission
FRCCFlorida Reliability Coordinating Council
GAAPGenerally Accepted Accounting Principles in the United States
GWhGigawatt hour
ICCIllinois Commerce Commission
ICEIntercontinental Exchange
IRSInternal Revenue Service
ISOIndependent System Operator
ISO-NEISO New England Inc.
LIBORLondon Interbank Offered Rate
LTIPLong-Term Incentive Plan
MATSU.S. EPA Mercury and Air Toxics Standards
MDPSCMaryland Public Service Commission
MISOMidcontinent Independent System Operator, Inc.
MPSCMissouri Public Service Commission
MRVMarket Related Value
MWMegawatt
MWhMegawatt hour
NAVNet Asset Value
NDTNuclear Decommissioning Trust
NERCNorth American Electric Reliability Corporation


2




Table of Contents
NGXNatural Gas Exchange, Inc.
Non-Regulatory Agreement UnitsNuclear generating units or portions thereof whose decommissioning-related activities are not subject to contractual elimination under regulatory accounting
NPNSNormal Purchase Normal Sale scope exception
NRCNuclear Regulatory Commission
NYISONew York ISO
NYMEXNew York Mercantile Exchange
NYPSCNew York Public Service Commission
OCIOther Comprehensive Income
OPEBOther Postretirement Employee Benefits
PA DEPPennsylvania Department of Environmental Protection
PAPUCPennsylvania Public Utility Commission
PBOProjected Benefit Obligation
PG&EPacific Gas and Electric Company
PJMPJM Interconnection, LLC
PPAPower Purchase Agreement
PP&EProperty, Plant, and Equipment
PRPPotentially Responsible Parties
PSDARPost-shutdown Decommissioning Activities Report
PSEGPublic Service Enterprise Group Incorporated
PUCTPublic Utility Commission of Texas
RECRenewable Energy Credit which is issued for each megawatt hour of generation from a qualified renewable energy source
Regulatory Agreement UnitsNuclear generating units or portions thereof whose decommissioning-related activities are subject to contractual elimination under regulatory accounting
RFPRequest for Proposal
RGGIRegional Greenhouse Gas Initiative
RMCRisk Management Committee
RNFRevenue Net of Purchased Power and Fuel Expense
ROURight-of-use
RTORegional Transmission Organization
S&PStandard & Poor’s Ratings Services
SECUnited States Securities and Exchange Commission
SERCSERC Reliability Corporation (formerly Southeast Electric Reliability Council)
SNFSpent Nuclear Fuel
SOASociety of Actuaries
SOFRSecured Overnight Financing Rate
SOSStandard Offer Service
TWhTerawatt-hour
U.S. Court of Appeals for the D.C. Circuit
United States Court of Appeals for the District of Columbia Circuit
VEBAVoluntary Employees' Beneficiary Associations
VIEVariable Interest Entity
WECCWestern Electric Coordinating Council
ZECZero Emission Credit
ZESZero Emission Standard


3




Table of Contents
FILING FORMAT
This combined Form 10-Q 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. Neither Registrant makes any representation as to information relating to the other Registrant.
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, as well as the items discussed in (1) the Registrants' combined 2021 Annual Report on Form 10-K 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, and (c) Part II, ITEM 8. Financial Statements and Supplementary Data: Note 19, Commitments and Contingencies; (2) this Quarterly Report on Form 10-Q in (a) Part II, ITEM 1A. Risk Factors, (b) Part I, ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations, and (c) Part I, ITEM 1. Financial Statements: Note 14, Commitments and Contingencies; and (3) other factors discussed in filings with the SEC.
Readers are cautioned not to place undue reliance on these forward-looking statements, which apply only as of the date of this Report. Neither 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. FINANCIAL INFORMATION
ITEM 1. FINANCIAL STATEMENTS



4




Table of Contents
Constellation Energy Corporation and Subsidiary Companies
Consolidated Statements of Operations and Comprehensive Income
(Unaudited)
Three Months Ended March 31,
(In millions, except per share data)20222021
Operating revenues
Operating revenues$5,431 $5,264 
Operating revenues from affiliates160 295 
Total operating revenues5,591 5,559 
Operating expenses
Purchased power and fuel3,545 4,610 
Purchased power and fuel from affiliates5  
Operating and maintenance1,161 856 
Operating and maintenance from affiliates44 145 
Depreciation and amortization280 940 
Taxes other than income taxes137 121 
Total operating expenses5,172 6,672 
Gain on sales of assets and businesses16 71 
Operating income (loss)435 (1,042)
Other income and (deductions)
Interest expense, net(55)(68)
Interest expense to affiliates(1)(4)
Other, net(318)167 
Total other income and (deductions)(374)95 
Income (loss) before income taxes61 (947)
Income taxes(53)(179)
Equity in losses of unconsolidated affiliates(3)(1)
Net income (loss)111 (769)
Net income attributable to noncontrolling interests5 24 
Net income (loss) attributable to common shareholders$106 $(793)
Comprehensive income (loss), net of income taxes
Net income (loss)$111 $(769)
Other comprehensive income, net of income taxes
Pension and non-pension postretirement benefit plans:
Prior service benefit reclassified to periodic benefit cost(1) 
Actuarial loss reclassified to periodic cost18  
Unrealized gain on foreign currency translation4 1 
Other comprehensive income, net of income taxes21 1 
Comprehensive income (loss)132 (768)
Comprehensive income attributable to noncontrolling interests5 24 
Comprehensive income (loss) attributable to common shareholders$127 $(792)
Average shares of common stock outstanding:
Basic327  
Assumed exercise and/or distributions of stock-based awards1  
Diluted328  
Earnings per average common share
Basic$0.32 $ 
Diluted$0.32 $ 
See the Combined Notes to Consolidated Financial Statements

5




Table of Contents
Constellation Energy Corporation and Subsidiary Companies
Consolidated Statements of Cash Flows
(Unaudited)
Three Months Ended March 31,
(In millions)20222021
Cash flows from operating activities
Net income (loss)$111 $(769)
Adjustments to reconcile net income (loss) to net cash flows provided by (used in) operating activities:
Depreciation, amortization, and accretion, including nuclear fuel and energy contract amortization602 1,346 
Asset impairments 1 
Gain on sales of assets and businesses(16)(71)
Deferred income taxes and amortization of investment tax credits(307)(123)
Net fair value changes related to derivatives75 (178)
Net realized and unrealized losses (gains) on NDT funds271 (118)
Net unrealized losses on equity investments20 23 
Other non-cash operating activities256 (202)
Changes in assets and liabilities:
Accounts receivable(78)(453)
Receivables from and payables to affiliates, net20 59 
Inventories82 50 
Accounts payable and accrued expenses36 208 
Option premiums (paid) received, net(31)16 
Collateral received, net1,169 270 
Income taxes254 (55)
Pension and non-pension postretirement benefit contributions(204)(205)
Other assets and liabilities(909)(1,411)
Net cash flows provided by (used in) operating activities1,351 (1,612)
Cash flows from investing activities
Capital expenditures(410)(382)
Proceeds from NDT fund sales1,130 2,908 
Investment in NDT funds(1,193)(2,939)
Collection of DPP853 1,574 
Proceeds from sales of assets and businesses28 680 
Other investing activities(4)(2)
Net cash flows provided by investing activities404 1,839 
Cash flows from financing activities
Change in short-term borrowings(702)997 
Repayments of short-term borrowings with maturities greater than 90 days(300) 
Issuance of long-term debt2 1 
Retirement of long-term debt(1,058)(35)
Retirement of long-term debt to affiliate(258) 
Changes in money pool with Exelon (285)
Distributions to Exelon (458)
Contribution from Exelon1,750  
Dividends paid on common stock(46) 
Other financing activities(23)(12)
Net cash flows (used in) provided by financing activities(635)208 
Increase in cash, restricted cash, and cash equivalents1,120 435 
Cash, restricted cash, and cash equivalents at beginning of period576 327 
Cash, restricted cash, and cash equivalents at end of period$1,696 $762 
Supplemental cash flow information
Decrease in capital expenditures not paid$(119)$(37)
Increase in DPP918 1,339 
Increase in PP&E related to ARO update335  
See the Combined Notes to Consolidated Financial Statements

6




Table of Contents
Constellation Energy Corporation and Subsidiary Companies
Consolidated Balance Sheets
(Unaudited)
(In millions)March 31, 2022December 31, 2021
ASSETS
Current assets
Cash and cash equivalents$1,605 $504 
Restricted cash and cash equivalents91 72 
Accounts receivable
Customer accounts receivable (net of allowance for credit losses of $50 and $55 as of March 31, 2022 and December 31, 2021, respectively)
1,936 1,669 
Other accounts receivable (net of allowance for credit losses of $5 as of March 31, 2022 and December 31, 2021)
334 592 
Mark-to-market derivative assets1,775 2,169 
Receivables from affiliates 160 
Inventories, net
Natural gas, oil and emission allowances212 284 
Materials and supplies999 1,004 
Renewable energy credits577 520 
Other1,238 1,007 
Total current assets8,767 7,981 
Property, plant, and equipment (net of accumulated depreciation and amortization of $16,007 and $15,873 as of March 31, 2022 and December 31, 2021, respectively)
19,837 19,612 
Deferred debits and other assets
Nuclear decommissioning trust funds15,272 15,938 
Investments217 174 
Mark-to-market derivative assets565 949 
Prepaid pension asset 1,683 
Deferred income taxes36 32 
Other2,152 1,717 
Total deferred debits and other assets18,242 20,493 
Total assets(a)
$46,846 $48,086 
See the Combined Notes to Consolidated Financial Statements

7




Table of Contents
Constellation Energy Corporation and Subsidiary Companies
Consolidated Balance Sheets
(Unaudited)
(In millions)March 31, 2022December 31, 2021
LIABILITIES AND EQUITY
Current liabilities
Short-term borrowings$1,080 $2,082 
Long-term debt due within one year191 1,220 
Accounts payable1,847 1,757 
Accrued expenses803 737 
Payables to affiliates 131 
Mark-to-market derivative liabilities1,469 981 
Renewable energy credit obligation727 777 
Other317 311 
Total current liabilities6,434 7,996 
Long-term debt4,548 4,575 
Long-term debt to affiliates 319 
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits3,247 3,703 
Asset retirement obligations13,276 12,819 
Pension obligations722  
Non-pension postretirement benefit obligations862 847 
Spent nuclear fuel obligation1,210 1,210 
Payables to affiliates 3,357 
Payable related to Regulatory Agreement Units2,969  
Mark-to-market derivative liabilities773 513 
Other1,300 1,133 
Total deferred credits and other liabilities24,359 23,582 
Total liabilities(a)
35,341 36,472 
Commitments and contingencies
Shareholders' equity
Predecessor Member's Equity(b)
 11,250 
Common stock (No par value, 1,000 shares authorized, 327 shares outstanding as of March 31, 2022)
13,212  
Retained deficit(91) 
Accumulated other comprehensive loss, net(2,016)(31)
Total shareholders' equity11,105 11,219 
Noncontrolling interests400 395 
Total equity11,505 11,614 
Total liabilities and shareholders' equity$46,846 $48,086 
__________
(a)Our consolidated assets include $2,588 million and $2,549 million at March 31, 2022 and December 31, 2021, respectively, of certain VIEs that can only be used to settle the liabilities of the VIE. Our consolidated liabilities include $1,045 million and $1,077 million at March 31, 2022 and December 31, 2021, respectively, of certain VIEs for which the VIE creditors do not have recourse to us. See Note 17 — Variable Interest Entities for additional information.
(b)Represents Constellation’s predecessor member's equity prior to the separation transaction. Upon completion of the separation, the predecessor member's equity was transferred to CEG Parent’s Common stock. See Note 1 — Basis of Presentation for additional information on the separation.
See the Combined Notes to Consolidated Financial Statements

8




Table of Contents
Constellation Energy Corporation and Subsidiary Companies
Consolidated Statements of Changes in Equity
(Unaudited)
Three Months Ended March 31, 2022
Shareholders' Equity
(In millions, shares in thousands)Issued SharesCommon StockRetained DeficitAccumulated
Other
Comprehensive
Loss, net
Noncontrolling Interests
Predecessor Member's Equity(a)
Total Equity
Balance, December 31, 2021 $ $ $(31)$395 $11,250 $11,614 
Net income from January 1, 2022 to January 31, 2022— — — — — 151 151 
Separation related adjustments— — — (2,006)7 1,802 (197)
Changes in equity of noncontrolling interests from January 1, 2022 to January 31, 2022— — — — (7)— (7)
Consummation of separation326,664 13,203 — — — (13,203)— 
Net (loss) income from February 1, 2022 to March 31, 2022— — (45)— 5 — (40)
Long-term incentive plan activity from February 1, 2022 to March 31, 202235 9 — — — — 9 
Common stock dividends
($0.14/common share) from February 1, 2022 to March 31, 2022
— — (46)— — — (46)
Other comprehensive income, net of income taxes from February 1, 2022 to March 31, 2022— — — 21 — — 21 
Balance, March 31, 2022326,699 $13,212