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  <xs:element id="tln_ScheduleOfFairValueOfPlanAssetsByMeasurementTableTextBlock" abstract="false" name="ScheduleOfFairValueOfPlanAssetsByMeasurementTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tln_PowerGenerationCapacity" abstract="false" name="PowerGenerationCapacity" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:powerItemType"/>
  <xs:element id="tln_NumberOfSubsidiariesThatFiledForBankruptcy" abstract="false" name="NumberOfSubsidiariesThatFiledForBankruptcy" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tln_NuclearProductionTaxCreditProgramMultiplier" abstract="false" name="NuclearProductionTaxCreditProgramMultiplier" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tln_NuclearProductionTaxCreditProgramMultiplierPerMWhMaximum" abstract="false" name="NuclearProductionTaxCreditProgramMultiplierPerMWhMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:monetaryPerEnergyItemType"/>
  <xs:element id="tln_RiverstoneMember" abstract="true" name="RiverstoneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tln_PPLTalenMontanaLitigationMember" abstract="true" name="PPLTalenMontanaLitigationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tln_CommonRightsEquityOfferingReceivableOfAdditionalEquityPercent" abstract="false" name="CommonRightsEquityOfferingReceivableOfAdditionalEquityPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="tln_PaymentInExchangeForSurrenderedWarrants" abstract="false" name="PaymentInExchangeForSurrenderedWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentsForOtherSecuredClaims" abstract="false" name="PaymentsForOtherSecuredClaims" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_DesignatedPoolOfCashAmount" abstract="false" name="DesignatedPoolOfCashAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_LitigationSettlementRemittedAmount" abstract="false" name="LitigationSettlementRemittedAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_CommonRightsEquityOfferingSubscriptionRightsAvailableForPurchasePercent" abstract="false" name="CommonRightsEquityOfferingSubscriptionRightsAvailableForPurchasePercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tln_VotingSharesReceivedFromSuccessorPercentage" abstract="false" name="VotingSharesReceivedFromSuccessorPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="tln_EnterpriseValue" abstract="false" name="EnterpriseValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_WeightedAverageCostOfCapitalDiscountRate" abstract="false" name="WeightedAverageCostOfCapitalDiscountRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="tln_DiscountRateUtilizedForNuclearGeneration" abstract="false" name="DiscountRateUtilizedForNuclearGeneration" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="tln_PaymentForFundingOfProfessionalFeesEscrowAccount" abstract="false" name="PaymentForFundingOfProfessionalFeesEscrowAccount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_CashPaidForCertainReorganizationExpenses" abstract="false" name="CashPaidForCertainReorganizationExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsExcludingProfessionalFees" abstract="false" name="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsExcludingProfessionalFees" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_CurrentLiabilitiesExcludingLongTermDebt" abstract="false" name="CurrentLiabilitiesExcludingLongTermDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_NonCurrentLiabilitiesExcludingLongTermDebtAndLiabilityClassifiedWarrants" abstract="false" name="NonCurrentLiabilitiesExcludingLongTermDebtAndLiabilityClassifiedWarrants" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_LiabilityClassifiedWarrants" abstract="false" name="LiabilityClassifiedWarrants" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_BorrowingsOf1.2BillionUnderSecuredNotesMember" abstract="true" name="BorrowingsOf1.2BillionUnderSecuredNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tln_BorrowingsOf580MillionUnderTLBMember" abstract="true" name="BorrowingsOf580MillionUnderTLBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tln_BorrowingsOf470MillionUnderTLCMember" abstract="true" name="BorrowingsOf470MillionUnderTLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tln_TLB1FacilityMember" abstract="true" name="TLB1FacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tln_TLCFacilityMember" abstract="true" name="TLCFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tln_SecuredNotesMember" abstract="true" name="SecuredNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tln_ProceedsFromRightsOffering" abstract="false" name="ProceedsFromRightsOffering" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ProceedsFromReleaseOfRestrictedCash" abstract="false" name="ProceedsFromReleaseOfRestrictedCash" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentOfClaimsUnderPrepetitionSeniorSecuredRevolvingCreditFacility" abstract="false" name="PaymentOfClaimsUnderPrepetitionSeniorSecuredRevolvingCreditFacility" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentOfClaimsUnderOtherPrepetitionSecuredIndebtedness" abstract="false" name="PaymentOfClaimsUnderOtherPrepetitionSecuredIndebtedness" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentForDebtorInPossessionTermLoan" abstract="false" name="PaymentForDebtorInPossessionTermLoan" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_RestrictionOfCashRelatingToLinesOfCredit" abstract="false" name="RestrictionOfCashRelatingToLinesOfCredit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentsToTerminateHedgeContractsInvestingActivities" abstract="false" name="PaymentsToTerminateHedgeContractsInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentForGeneralUnsecuredCreditorsTrust" abstract="false" name="PaymentForGeneralUnsecuredCreditorsTrust" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentOfProfessionalFees" abstract="false" name="PaymentOfProfessionalFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ProceedsFromPaymentForOtherItems" abstract="false" name="ProceedsFromPaymentForOtherItems" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ProceedsFromReceiptOfPaymentForGeneralUnsecuredCreditorsTrust" abstract="false" name="ProceedsFromReceiptOfPaymentForGeneralUnsecuredCreditorsTrust" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentOfProfessionalFeesRestrictedCashAndCashEquivalents" abstract="false" name="PaymentOfProfessionalFeesRestrictedCashAndCashEquivalents" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ReclassificationOfPreviouslyCapitalizedDebtIssuanceCostsToLongTermDebt" abstract="false" name="ReclassificationOfPreviouslyCapitalizedDebtIssuanceCostsToLongTermDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_CapitalizationOfDebtIssuanceCosts" abstract="false" name="CapitalizationOfDebtIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentOfAccruedInterestOnPrepetitionSeniorSecuredRevolvingCreditFacility" abstract="false" name="PaymentOfAccruedInterestOnPrepetitionSeniorSecuredRevolvingCreditFacility" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentOfAccruedInterestOnOtherPrepetitionSecuredIndebtedness" abstract="false" name="PaymentOfAccruedInterestOnOtherPrepetitionSecuredIndebtedness" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentOfAccruedInterestOnDebtorInPossessionCreditFacilities" abstract="false" name="PaymentOfAccruedInterestOnDebtorInPossessionCreditFacilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentOfProfessionalFeesAccountsPayableAndAccruedLiabilities" abstract="false" name="PaymentOfProfessionalFeesAccountsPayableAndAccruedLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ReinstatementOfLiabilitiesSubjectToCompromiseAccountsPayableAndOtherAccruedLiabilitiesCurrent" abstract="false" name="ReinstatementOfLiabilitiesSubjectToCompromiseAccountsPayableAndOtherAccruedLiabilitiesCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_AccrualOfProfessionalFeesAtEmergence" abstract="false" name="AccrualOfProfessionalFeesAtEmergence" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_IssuanceOfEquityForBackstopPremium" abstract="false" name="IssuanceOfEquityForBackstopPremium" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ReinstatementOfLiabilitiesSubjectToCompromiseOtherLiabilitiesCurrent" abstract="false" name="ReinstatementOfLiabilitiesSubjectToCompromiseOtherLiabilitiesCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentOfClaimsUnderPrepetitionSecuredIndebtedness" abstract="false" name="PaymentOfClaimsUnderPrepetitionSecuredIndebtedness" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ProceedsFromReinstatementOfBonds" abstract="false" name="ProceedsFromReinstatementOfBonds" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_WriteOffOfPrepetitionSecuredIndebtednessIssuanceCosts" abstract="false" name="WriteOffOfPrepetitionSecuredIndebtednessIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_LiabilitiesSubjectToCompromiseDebt" abstract="false" name="LiabilitiesSubjectToCompromiseDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_LiabilitiesSubjectToCompromiseAssetRetirementObligationsAndAccruedEnvironmentalCosts" abstract="false" name="LiabilitiesSubjectToCompromiseAssetRetirementObligationsAndAccruedEnvironmentalCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_LiabilitiesSubjectToCompromiseDeferredTaxLiabilities" abstract="false" name="LiabilitiesSubjectToCompromiseDeferredTaxLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_LiabilitiesSubjectToCompromiseAccruedInterest" abstract="false" name="LiabilitiesSubjectToCompromiseAccruedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ReinstatementOfLiabilitiesSubjectToCompromiseReinstatement" abstract="false" name="ReinstatementOfLiabilitiesSubjectToCompromiseReinstatement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ExcessFairValueAscribedToLendersParticipatingInRightsOffering" abstract="false" name="ExcessFairValueAscribedToLendersParticipatingInRightsOffering" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_IssuanceOfMembersEquityToHoldersOfClaimsUnderPrepetitionUnsecuredNotesAndBonds" abstract="false" name="IssuanceOfMembersEquityToHoldersOfClaimsUnderPrepetitionUnsecuredNotesAndBonds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_PaymentToGeneralUnsecuredCreditorsTrustReinstatement" abstract="false" name="PaymentToGeneralUnsecuredCreditorsTrustReinstatement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_DebtorReorganizationItemsLiabilities" abstract="false" name="DebtorReorganizationItemsLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_IncreaseInDeferredTaxAssetsDueToTheRecognitionOfCancellationOfDebtNetOfChangeInValuationAllowance" abstract="false" name="IncreaseInDeferredTaxAssetsDueToTheRecognitionOfCancellationOfDebtNetOfChangeInValuationAllowance" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ReinstatementOfLiabilitiesSubjectToCompromiseDeferredIncomeTaxLiabilitiesNet" abstract="false" name="ReinstatementOfLiabilitiesSubjectToCompromiseDeferredIncomeTaxLiabilitiesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ReinstatementOfLiabilitiesSubjectToCompromiseOtherLiabilitiesNoncurrent" abstract="false" name="ReinstatementOfLiabilitiesSubjectToCompromiseOtherLiabilitiesNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_DebtorReorganizationItemsGainOnSettlementOfLiabilitiesSubjectToCompromise" abstract="false" name="DebtorReorganizationItemsGainOnSettlementOfLiabilitiesSubjectToCompromise" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_DebtorReorganizationItemsOtherLossesAttributableToGainOnDebtDischarge" abstract="false" name="DebtorReorganizationItemsOtherLossesAttributableToGainOnDebtDischarge" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_DebtorReorganizationItemsGainLossOnDischargeOfDebt" abstract="false" name="DebtorReorganizationItemsGainLossOnDischargeOfDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_DebtorReorganizationItemsDebtIssuanceCostWriteoff" abstract="false" name="DebtorReorganizationItemsDebtIssuanceCostWriteoff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_InterestExpenseIncurredAtEmergence" abstract="false" name="InterestExpenseIncurredAtEmergence" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_IncomeFromReorganizationAdjustmentsBeforeIncomeTaxes" abstract="false" name="IncomeFromReorganizationAdjustmentsBeforeIncomeTaxes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_DebtorReorganizationAdjustmentsIncomeTaxExpenseBenefit" abstract="false" name="DebtorReorganizationAdjustmentsIncomeTaxExpenseBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_NetIncomeFromReorganizationAdjustments" abstract="false" name="NetIncomeFromReorganizationAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_IssuanceOfMembersEquityInConnectionWithRightsOffering" abstract="false" name="IssuanceOfMembersEquityInConnectionWithRightsOffering" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_IssuanceOfMembersEquityForBackstopPremium" abstract="false" name="IssuanceOfMembersEquityForBackstopPremium" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_IssuanceOfMembersEquityToHoldersOfClaimsUnderPrepetitionNotesAndBonds" abstract="false" name="IssuanceOfMembersEquityToHoldersOfClaimsUnderPrepetitionNotesAndBonds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_IssuanceOfEquityClassifiedWarrants" abstract="false" name="IssuanceOfEquityClassifiedWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_IssuanceOfLiabilityClassifiedWarrants" abstract="false" name="IssuanceOfLiabilityClassifiedWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_IncreaseDecreaseInMembersEquityOther" abstract="false" name="IncreaseDecreaseInMembersEquityOther" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_MeasurementInputInflationRateMember" abstract="true" name="MeasurementInputInflationRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tln_InventoryEnvironmentalProductsNetOfReserves" abstract="false" name="InventoryEnvironmentalProductsNetOfReserves" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_IntangibleAssetsCapitalizedLicensingFeesAndLegacyPurchasePriceAllocations" abstract="false" name="IntangibleAssetsCapitalizedLicensingFeesAndLegacyPurchasePriceAllocations" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_FavorableSupplyContracts" abstract="false" name="FavorableSupplyContracts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_FairValueAdjustmentToEquityMethodInvestments" abstract="false" name="FairValueAdjustmentToEquityMethodInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_EliminateDebtIssuanceCostsAssociatedWithDebtorInPossessionFacilities" abstract="false" name="EliminateDebtIssuanceCostsAssociatedWithDebtorInPossessionFacilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_FairValueReductionToOtherMiscellaneousAssets" abstract="false" name="FairValueReductionToOtherMiscellaneousAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_EliminateDebtIssuanceCostsAssociatedWithPrepetitionSecuredNotesPrepetition" abstract="false" name="EliminateDebtIssuanceCostsAssociatedWithPrepetitionSecuredNotesPrepetition" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_FairValueAdjustmentToTermLoanFacility" abstract="false" name="FairValueAdjustmentToTermLoanFacility" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_FairValueAdjustmentToTermLoanB" abstract="false" name="FairValueAdjustmentToTermLoanB" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_FairValueAdjustmentsAssetRetirementObligationPercentage" abstract="false" name="FairValueAdjustmentsAssetRetirementObligationPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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  <xs:element id="tln_FairValueAdjustmentsUnfavorableSupplyContracts" abstract="false" name="FairValueAdjustmentsUnfavorableSupplyContracts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="tln_DebtorReorganizationItemsMakeWholePremiumsAndAccruedInterestOnCertainIndebtedness" abstract="false" name="DebtorReorganizationItemsMakeWholePremiumsAndAccruedInterestOnCertainIndebtedness" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="tln_NuclearPTCAndOtherRevenueCreditFederalIncomeTaxesPayable" abstract="false" name="NuclearPTCAndOtherRevenueCreditFederalIncomeTaxesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="tln_CapacityAuctionClearingPricePerMegawattPerDay" abstract="false" name="CapacityAuctionClearingPricePerMegawattPerDay" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="tln_DomesticTaxJurisdictionNotSubjectToExpirationMember" abstract="true" name="DomesticTaxJurisdictionNotSubjectToExpirationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="tln_NuclearProductionTaxCreditProgramMultiplierPerMWhTransferableCredit" abstract="false" name="NuclearProductionTaxCreditProgramMultiplierPerMWhTransferableCredit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:monetaryPerEnergyItemType"/>
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  <xs:element id="tln_MWhGeneratedAndSoldToThirdParties" abstract="false" name="MWhGeneratedAndSoldToThirdParties" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:energyItemType"/>
  <xs:element id="tln_NuclearProductionTaxCreditProgramMaximumPerMWhAnnualGrossReceipts" abstract="false" name="NuclearProductionTaxCreditProgramMaximumPerMWhAnnualGrossReceipts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:monetaryPerEnergyItemType"/>
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  <xs:element id="tln_EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossBeforeTax" abstract="false" name="EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossBeforeTax" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="tln_DecommissioningFundInvestmentsAccumulatedGrossUnrealizedLossBeforeTax" abstract="false" name="DecommissioningFundInvestmentsAccumulatedGrossUnrealizedLossBeforeTax" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearFive" abstract="false" name="DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_ProceedsFromSaleOfNuclearDecommissioningTrustFunds" abstract="false" name="ProceedsFromSaleOfNuclearDecommissioningTrustFunds" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="tln_EnvironmentalMattersFederalClimateChangeActionsMember" abstract="true" name="EnvironmentalMattersFederalClimateChangeActionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tln_EnvironmentalMattersEffluentLimitationGuidelinesMember" abstract="true" name="EnvironmentalMattersEffluentLimitationGuidelinesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="tln_NumberOfStatesRepresentedByCoalitions" abstract="false" name="NumberOfStatesRepresentedByCoalitions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
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  <xs:element id="tln_TalenVsTESTECTheTERPAndTheTERPCommitteeMember" abstract="true" name="TalenVsTESTECTheTERPAndTheTERPCommitteeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="tln_LossContingencyImproperPayment" abstract="false" name="LossContingencyImproperPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_LitigationSettlementAmountRemittedToGeneralUnsecuredCreditorsTrust" abstract="false" name="LitigationSettlementAmountRemittedToGeneralUnsecuredCreditorsTrust" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="tln_EstimatedLitigationLiabilityApprovalRemainingDerecognizedAmount" abstract="false" name="EstimatedLitigationLiabilityApprovalRemainingDerecognizedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="tln_ThresholdTwoMember" abstract="true" name="ThresholdTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tln_ConsolidatedNetAssetsRestrictedPercentage" abstract="false" name="ConsolidatedNetAssetsRestrictedPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="tln_DebtInstrumentCovenantAdjustedEarningsBeforeInterestTaxesDepreciationsAndAmortizationMaximumThreshold" abstract="false" name="DebtInstrumentCovenantAdjustedEarningsBeforeInterestTaxesDepreciationsAndAmortizationMaximumThreshold" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tln_DebtInstrumentCovenantAdjustedEarningsBeforeInterestTaxesDepreciationsAndAmortizationMaximumPercentage" abstract="false" name="DebtInstrumentCovenantAdjustedEarningsBeforeInterestTaxesDepreciationsAndAmortizationMaximumPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="tln_DebtInstrumentCovenantProFormaConsolidatedTotalNetLeverageRatioMaximum" abstract="false" name="DebtInstrumentCovenantProFormaConsolidatedTotalNetLeverageRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tln_ConsolidatedInterestExpensePercentageToBeDeductedFromConsolidatedAdjustedEBITDA" abstract="false" name="ConsolidatedInterestExpensePercentageToBeDeductedFromConsolidatedAdjustedEBITDA" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="tln_DebtInstrumentCovenantFixedChargeCoverageRatioMinimum" abstract="false" name="DebtInstrumentCovenantFixedChargeCoverageRatioMinimum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
</xs:schema>
