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      <link:roleType id="RiskManagementActivitiesandDerivativeTransactionsTables" roleURI="http://www.tva.gov/role/RiskManagementActivitiesandDerivativeTransactionsTables">
        <link:definition>9954719 - Disclosure - Risk Management Activities and Derivative Transactions (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="FairValueMeasurementsTables" roleURI="http://www.tva.gov/role/FairValueMeasurementsTables">
        <link:definition>9954720 - Disclosure - Fair Value Measurements (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="OtherIncomeExpenseNetTables" roleURI="http://www.tva.gov/role/OtherIncomeExpenseNetTables">
        <link:definition>9954721 - Disclosure - Other Income (Expense), Net (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="BenefitPlansTables" roleURI="http://www.tva.gov/role/BenefitPlansTables">
        <link:definition>9954722 - Disclosure - Benefit Plans (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>9954723 - Disclosure - Subsequent Event (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="RevenueTables" roleURI="http://www.tva.gov/role/RevenueTables">
        <link:definition>9954724 - Disclosure - Revenue (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="RevenueLocalPowerCompanyContractsTables" roleURI="http://www.tva.gov/role/RevenueLocalPowerCompanyContractsTables">
        <link:definition>9954725 - Disclosure - Revenue Local Power Company Contracts (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="LeasesTables" roleURI="http://www.tva.gov/role/LeasesTables">
        <link:definition>9954726 - Disclosure - Leases (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="ResearchandDevelopmentTables" roleURI="http://www.tva.gov/role/ResearchandDevelopmentTables">
        <link:definition>9954727 - Disclosure - Research and Development (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="SummaryofSignificantAccountingPoliciesGeneralandBasisofPresentationDetails" roleURI="http://www.tva.gov/role/SummaryofSignificantAccountingPoliciesGeneralandBasisofPresentationDetails">
        <link:definition>9954728 - Disclosure - Summary of Significant Accounting Policies General and Basis of Presentation (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="AccountingPoliciesCashandCashEquivalentsDetails" roleURI="http://www.tva.gov/role/AccountingPoliciesCashandCashEquivalentsDetails">
        <link:definition>9954729 - Disclosure - Accounting Policies Cash and Cash Equivalents (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="SummaryofSignificantAccountingPoliciesAllowanceforUncollectibleAccountsDetails" roleURI="http://www.tva.gov/role/SummaryofSignificantAccountingPoliciesAllowanceforUncollectibleAccountsDetails">
        <link:definition>9954730 - Disclosure - Summary of Significant Accounting Policies Allowance for Uncollectible Accounts (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="SummaryofSignificantAccountingPoliciesRevenuesDetails" roleURI="http://www.tva.gov/role/SummaryofSignificantAccountingPoliciesRevenuesDetails">
        <link:definition>9954731 - Disclosure - Summary of Significant Accounting Policies Revenues (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="SummaryofSignificantAccountingPoliciesDepreciationDetails" roleURI="http://www.tva.gov/role/SummaryofSignificantAccountingPoliciesDepreciationDetails">
        <link:definition>9954732 - Disclosure - Summary of Significant Accounting Policies Depreciation (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="ImpactofNewAccountingStandardsandInterpretationsImpactofNewAccountingStandardsandInterpretationsDetails" roleURI="http://www.tva.gov/role/ImpactofNewAccountingStandardsandInterpretationsImpactofNewAccountingStandardsandInterpretationsDetails">
        <link:definition>9954733 - Disclosure - Impact of New Accounting Standards and Interpretations Impact of New Accounting Standards and Interpretations (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="AccountsReceivableNetDetails" roleURI="http://www.tva.gov/role/AccountsReceivableNetDetails">
        <link:definition>9954734 - Disclosure - Accounts Receivable, Net (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="InventoriesNetDetails" roleURI="http://www.tva.gov/role/InventoriesNetDetails">
        <link:definition>9954735 - Disclosure - Inventories, Net (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="DeferredCostsCapitalizedPrepaidandOtherAssetsDetails" roleURI="http://www.tva.gov/role/DeferredCostsCapitalizedPrepaidandOtherAssetsDetails">
        <link:definition>9954736 - Disclosure - Deferred Costs, Capitalized, Prepaid, and Other Assets (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="PlantClosuresDetails" roleURI="http://www.tva.gov/role/PlantClosuresDetails">
        <link:definition>9954737 - Disclosure - Plant Closures (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="OtherLongTermAssetsDetails" roleURI="http://www.tva.gov/role/OtherLongTermAssetsDetails">
        <link:definition>9954738 - Disclosure - Other Long-Term Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RegulatoryAssetsandLiabilitiesDetails" roleURI="http://www.tva.gov/role/RegulatoryAssetsandLiabilitiesDetails">
        <link:definition>9954739 - Disclosure - Regulatory Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="VariableInterestEntitiesVariableInterestEntitiesDetails" roleURI="http://www.tva.gov/role/VariableInterestEntitiesVariableInterestEntitiesDetails">
        <link:definition>9954740 - Disclosure - Variable Interest Entities Variable Interest Entities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="OtherLongTermLiabilitiesDetails" roleURI="http://www.tva.gov/role/OtherLongTermLiabilitiesDetails">
        <link:definition>9954741 - Disclosure - Other Long-Term Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AssetRetirementObligationsDetails" roleURI="http://www.tva.gov/role/AssetRetirementObligationsDetails">
        <link:definition>9954742 - Disclosure - Asset Retirement Obligations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="DebtandOtherObligationsDebtOutstandingDetails" roleURI="http://www.tva.gov/role/DebtandOtherObligationsDebtOutstandingDetails">
        <link:definition>9954743 - Disclosure - Debt and Other Obligations Debt Outstanding (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="DebtandOtherObligationsDebtSecuritiesActivityDetails" roleURI="http://www.tva.gov/role/DebtandOtherObligationsDebtSecuritiesActivityDetails">
        <link:definition>9954744 - Disclosure - Debt and Other Obligations Debt Securities Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="DebtandOtherObligationsCreditFacilityAgreementsDetails" roleURI="http://www.tva.gov/role/DebtandOtherObligationsCreditFacilityAgreementsDetails">
        <link:definition>9954745 - Disclosure - Debt and Other Obligations Credit Facility Agreements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="DebtandOtherObligationsLeaseLeasebackObligationsDetails" roleURI="http://www.tva.gov/role/DebtandOtherObligationsLeaseLeasebackObligationsDetails">
        <link:definition>9954746 - Disclosure - Debt and Other Obligations Lease/Leaseback Obligations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="AccumulatedOtherComprehensiveIncomeLossDetails" roleURI="http://www.tva.gov/role/AccumulatedOtherComprehensiveIncomeLossDetails">
        <link:definition>9954747 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RiskManagementActivitiesandDerivativeTransactionsDerivativeInstrumentsThatReceiveHedgeAccountingTreatmentDetails" roleURI="http://www.tva.gov/role/RiskManagementActivitiesandDerivativeTransactionsDerivativeInstrumentsThatReceiveHedgeAccountingTreatmentDetails">
        <link:definition>9954748 - Disclosure - Risk Management Activities and Derivative Transactions Derivative Instruments That Receive Hedge Accounting Treatment (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RiskManagementActivitiesandDerivativeTransactionsDerivativeInstrumentsThatDoNotReceiveHedgeAccountingTreatmentDetails" roleURI="http://www.tva.gov/role/RiskManagementActivitiesandDerivativeTransactionsDerivativeInstrumentsThatDoNotReceiveHedgeAccountingTreatmentDetails">
        <link:definition>9954749 - Disclosure - Risk Management Activities and Derivative Transactions Derivative Instruments That Do Not Receive Hedge Accounting Treatment (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RiskManagementActivitiesandDerivativeTransactionsFairValuesofTVADerivativesDetails" roleURI="http://www.tva.gov/role/RiskManagementActivitiesandDerivativeTransactionsFairValuesofTVADerivativesDetails">
        <link:definition>9954750 - Disclosure - Risk Management Activities and Derivative Transactions Fair Values of TVA Derivatives (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RiskManagementActivitiesandDerivativeTransactionsCurrencySwapsOutstandingDetails" roleURI="http://www.tva.gov/role/RiskManagementActivitiesandDerivativeTransactionsCurrencySwapsOutstandingDetails">
        <link:definition>9954751 - Disclosure - Risk Management Activities and Derivative Transactions Currency Swaps Outstanding (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RiskManagementActivitiesandDerivativeTransactionsDerivativesUnderFTPDetails" roleURI="http://www.tva.gov/role/RiskManagementActivitiesandDerivativeTransactionsDerivativesUnderFTPDetails">
        <link:definition>9954752 - Disclosure - Risk Management Activities and Derivative Transactions Derivatives Under FTP (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RiskManagementActivitiesandDerivativeTransactionsOffsettingofDerivativeAssetsDetails" roleURI="http://www.tva.gov/role/RiskManagementActivitiesandDerivativeTransactionsOffsettingofDerivativeAssetsDetails">
        <link:definition>9954753 - Disclosure - Risk Management Activities and Derivative Transactions Offsetting of Derivative Assets (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="RiskManagementActivitiesandDerivativeTransactionsOffsettingforDerivativeLiabilitiesDetails" roleURI="http://www.tva.gov/role/RiskManagementActivitiesandDerivativeTransactionsOffsettingforDerivativeLiabilitiesDetails">
        <link:definition>9954754 - Disclosure - Risk Management Activities and Derivative Transactions Offsetting for Derivative Liabilities (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="RiskManagementActivitiesandDerivativeTransactionsCollateralDetails" roleURI="http://www.tva.gov/role/RiskManagementActivitiesandDerivativeTransactionsCollateralDetails">
        <link:definition>9954755 - Disclosure - Risk Management Activities and Derivative Transactions Collateral (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RiskManagementActivitiesandDerivativeTransactionsCounterpartyCreditRiskDetails" roleURI="http://www.tva.gov/role/RiskManagementActivitiesandDerivativeTransactionsCounterpartyCreditRiskDetails">
        <link:definition>9954756 - Disclosure - Risk Management Activities and Derivative Transactions Counterparty Credit Risk (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RiskManagementActivitiesandDerivativeTransactionsCashFlowfromHedgingDetails" roleURI="http://www.tva.gov/role/RiskManagementActivitiesandDerivativeTransactionsCashFlowfromHedgingDetails">
        <link:definition>9954757 - Disclosure - Risk Management Activities and Derivative Transactions Cash Flow from Hedging (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="FairValueMeasurementsFairValueMeasurementsInvestmentsDetails" roleURI="http://www.tva.gov/role/FairValueMeasurementsFairValueMeasurementsInvestmentsDetails">
        <link:definition>9954758 - Disclosure - Fair Value Measurements Fair Value Measurements - Investments (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="FairValueMeasurementsFairValueMeasurementsNonperformanceRiskDetails" roleURI="http://www.tva.gov/role/FairValueMeasurementsFairValueMeasurementsNonperformanceRiskDetails">
        <link:definition>9954759 - Disclosure - Fair Value Measurements Fair Value Measurements - Nonperformance Risk (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="FairValueMeasurementsFairValueMeasurementsDetails" roleURI="http://www.tva.gov/role/FairValueMeasurementsFairValueMeasurementsDetails">
        <link:definition>9954760 - Disclosure - Fair Value Measurements Fair Value Measurements (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="FairValueMeasurementsFairValueMeasurementsUsingSignificantUnobservableInputsDetails" roleURI="http://www.tva.gov/role/FairValueMeasurementsFairValueMeasurementsUsingSignificantUnobservableInputsDetails">
        <link:definition>9954761 - Disclosure - Fair Value Measurements Fair Value Measurements Using Significant Unobservable Inputs (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="FairValueMeasurementsEstimatedValuesofFinancialInstrumentsNotRecordedatFairValueDetails" roleURI="http://www.tva.gov/role/FairValueMeasurementsEstimatedValuesofFinancialInstrumentsNotRecordedatFairValueDetails">
        <link:definition>9954762 - Disclosure - Fair Value Measurements Estimated Values of Financial Instruments Not Recorded at Fair Value (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="OtherIncomeExpenseNetDetails" roleURI="http://www.tva.gov/role/OtherIncomeExpenseNetDetails">
        <link:definition>9954763 - Disclosure - Other Income (Expense), Net (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="BenefitPlansComponentsofBenefitPlansDetails" roleURI="http://www.tva.gov/role/BenefitPlansComponentsofBenefitPlansDetails">
        <link:definition>9954764 - Disclosure - Benefit Plans Components of Benefit Plans (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="BenefitPlansComponentsofNetPeriodicBenefitCostDetails" roleURI="http://www.tva.gov/role/BenefitPlansComponentsofNetPeriodicBenefitCostDetails">
        <link:definition>9954765 - Disclosure - Benefit Plans Components of Net Periodic Benefit Cost (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="BenefitPlansContributionsDetails" roleURI="http://www.tva.gov/role/BenefitPlansContributionsDetails">
        <link:definition>9954766 - Disclosure - Benefit Plans Contributions (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="ContingenciesandLegalProceedingsContingenciesDetails" roleURI="http://www.tva.gov/role/ContingenciesandLegalProceedingsContingenciesDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>9954769 - Disclosure - Subsequent Event (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>9954770 - Disclosure - Gallatin Coal Combustion Residual Facilities (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RevenueDetails" roleURI="http://www.tva.gov/role/RevenueDetails">
        <link:definition>9954771 - Disclosure - Revenue (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RevenueCustomerTypeDetails" roleURI="http://www.tva.gov/role/RevenueCustomerTypeDetails">
        <link:definition>9954772 - Disclosure - Revenue Customer Type (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RevenueEnergyPrepaymentAgreementDetails" roleURI="http://www.tva.gov/role/RevenueEnergyPrepaymentAgreementDetails">
        <link:definition>9954773 - Disclosure - Revenue Energy Prepayment Agreement (Details)</link:definition>
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  <xs:element id="tve_OtherLongTermAssetsDomain" abstract="true" name="OtherLongTermAssetsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_NdtMember" abstract="true" name="NdtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_SummaryOfDerivativeInstrumentsThatReceiveHedgeAccountingTreatmentAbstract" abstract="true" name="SummaryOfDerivativeInstrumentsThatReceiveHedgeAccountingTreatmentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_OtherIncomeAndExpenseTable" abstract="true" name="OtherIncomeAndExpenseTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_Operatingpresentvalueofnetminimumleasepayments" abstract="false" name="Operatingpresentvalueofnetminimumleasepayments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_Presentvalueoffutureminimumleasepaymentsoperatingleases" abstract="false" name="Presentvalueoffutureminimumleasepaymentsoperatingleases" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_LiabilitiesAndProprietaryCapital" abstract="false" name="LiabilitiesAndProprietaryCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_RegulatoryAssetsAndLiabilitiesLineItems" abstract="true" name="RegulatoryAssetsAndLiabilitiesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_Periodoftimewheretheinvestorcontributescapitaltoaninvestmentinaprivatepartnershipminimum" abstract="false" name="Periodoftimewheretheinvestorcontributescapitaltoaninvestmentinaprivatepartnershipminimum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_FederalagenciesandotherDomain" abstract="true" name="FederalagenciesandotherDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_A401KMember" abstract="true" name="A401KMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_A2023SeriesAMember" abstract="true" name="A2023SeriesAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_A150MillionSterlingCurrencySwapMember" abstract="true" name="A150MillionSterlingCurrencySwapMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_Operatingcashflowsforoperatingleases" abstract="false" name="Operatingcashflowsforoperatingleases" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_AccretionRecordedAsRegulatoryAsset" abstract="false" name="AccretionRecordedAsRegulatoryAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_NonCashFinancingActivities" abstract="false" name="NonCashFinancingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_Commingledfundsmeasuredatnetassetvalue" abstract="false" name="Commingledfundsmeasuredatnetassetvalue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_NuclearAccidentAssessmentLimitationPerYearPerUnit" abstract="false" name="NuclearAccidentAssessmentLimitationPerYearPerUnit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_NonNuclearMember" abstract="true" name="NonNuclearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_RevolvingCreditFacility2" abstract="false" name="RevolvingCreditFacility2" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_MaximumAssessmentPerNuclearIncident" abstract="false" name="MaximumAssessmentPerNuclearIncident" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_Financeleaseasset" abstract="false" name="Financeleaseasset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted" abstract="false" name="USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_RemainingEmployerContributions" abstract="false" name="RemainingEmployerContributions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_RevolvingCreditFacility3" abstract="false" name="RevolvingCreditFacility3" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_KemperMember" abstract="true" name="KemperMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tve_DeferredDerivativeGainLossUnderFHPMember" abstract="true" name="DeferredDerivativeGainLossUnderFHPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_PossibleadditionalfuturecostsforcompliancewithCCRrequirements" abstract="false" name="PossibleadditionalfuturecostsforcompliancewithCCRrequirements" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_LiabilitiesAndProprietaryCapitalAbstract" abstract="true" name="LiabilitiesAndProprietaryCapitalAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_DeferralOfEnergyRightLoans" abstract="false" name="DeferralOfEnergyRightLoans" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_StateTableTextBlock" abstract="false" name="StateTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tve_LetterofCreditOutstandingAmount2" abstract="false" name="LetterofCreditOutstandingAmount2" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_NumberOfEnvironmentalAgreementsEnteredIntoWithEpa" abstract="false" name="NumberOfEnvironmentalAgreementsEnteredIntoWithEpa" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_ExternalServices" abstract="false" name="ExternalServices" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_LongTermLineOfCreditBorrowings3" abstract="false" name="LongTermLineOfCreditBorrowings3" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_FairValueMeasurementsTonsPerYear" abstract="false" name="FairValueMeasurementsTonsPerYear" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:weightItemType"/>
  <xs:element id="tve_OperatingLeaseLiabilityMember" abstract="true" name="OperatingLeaseLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_AmountRemainingToBeSpentUnderEnvironmentalAgreements" abstract="false" name="AmountRemainingToBeSpentUnderEnvironmentalAgreements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_OtherComprehensiveIncomeGainReclassificationAdjustmentfromAOCI" abstract="false" name="OtherComprehensiveIncomeGainReclassificationAdjustmentfromAOCI" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_NetExchangeGainFromCurrencyTransactionNoncurrent" abstract="false" name="NetExchangeGainFromCurrencyTransactionNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_AllenFossilPlantMember" abstract="true" name="AllenFossilPlantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_Commoditycontractderivativeliabilitiesfairvaluedisclosure" abstract="false" name="Commoditycontractderivativeliabilitiesfairvaluedisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_Privatecreditmeasuredatnetassetvalue" abstract="false" name="Privatecreditmeasuredatnetassetvalue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_Minimuminvestmentperiod" abstract="false" name="Minimuminvestmentperiod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_PercentOfWholesaleCreditOffered" abstract="false" name="PercentOfWholesaleCreditOffered" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_MaximumLeaseTerm" abstract="false" name="MaximumLeaseTerm" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning" abstract="false" name="NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_ProprietaryCapitalAbstract" abstract="true" name="ProprietaryCapitalAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_Financepresentvalueofnetminimumleasepayments" abstract="false" name="Financepresentvalueofnetminimumleasepayments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_ReconciliationOfAssetRetirementObligationLiabilityAxis" abstract="true" name="ReconciliationOfAssetRetirementObligationLiabilityAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_DeiAbstract" abstract="true" name="DeiAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_DebtissuesDomain" abstract="true" name="DebtissuesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_NumberOfLPCsSignedFlexibilityAgreement" abstract="false" name="NumberOfLPCsSignedFlexibilityAgreement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_PossibleadditionalfuturecostsforcompliancewithCleanWaterrequirements." abstract="false" name="PossibleadditionalfuturecostsforcompliancewithCleanWaterrequirements." nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_Leaseassets" abstract="false" name="Leaseassets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_PreCommercialOpsCapitalizedFuel" abstract="false" name="PreCommercialOpsCapitalizedFuel" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_A2020SeriesAMember" abstract="true" name="A2020SeriesAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_DerivativesUnderFtpTable" abstract="true" name="DerivativesUnderFtpTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_PercentOfGenerationFlexibilityCredit" abstract="false" name="PercentOfGenerationFlexibilityCredit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_InterestSwapCollateralMember" abstract="true" name="InterestSwapCollateralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_PercentOfSalesOfElectricityToLPCs" abstract="false" name="PercentOfSalesOfElectricityToLPCs" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_OffSystemSales" abstract="false" name="OffSystemSales" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_PercentOfOpRevenuesOfLPCsWhoFiledComplaintWithFERC" abstract="false" name="PercentOfOpRevenuesOfLPCsWhoFiledComplaintWithFERC" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_A250MillionSterlingCurrencySwapMember" abstract="true" name="A250MillionSterlingCurrencySwapMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_PlantClosuresDisclosureTextBlock" abstract="false" name="PlantClosuresDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tve_Definedbenefitplanplanassetsmonthlycontributionsbyemployer" abstract="false" name="Definedbenefitplanplanassetsmonthlycontributionsbyemployer" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_NuclearMember" abstract="true" name="NuclearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_StateTable" abstract="true" name="StateTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_TotalPowerProgramProprietaryCapital" abstract="false" name="TotalPowerProgramProprietaryCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_OperatingLeaseAsset" abstract="false" name="OperatingLeaseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline" abstract="false" name="MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_A2009SeriesBMember" abstract="true" name="A2009SeriesBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_DebtOfVariableInterestEntitiesMember" abstract="true" name="DebtOfVariableInterestEntitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_SubsequentCreditonthePublicPowerSupportandStabilizationProgram" abstract="false" name="SubsequentCreditonthePublicPowerSupportandStabilizationProgram" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_IncreaseDecreaseInGainsLossesOnInvestments" abstract="false" name="IncreaseDecreaseInGainsLossesOnInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_ArtMember" abstract="true" name="ArtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_DebtOutstandingTable" abstract="true" name="DebtOutstandingTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_RevenueCustomerTypeAbstract" abstract="true" name="RevenueCustomerTypeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_OtherNonCurrentRegulatoryAssetsMember" abstract="true" name="OtherNonCurrentRegulatoryAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_SerpMember" abstract="true" name="SerpMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_GeneralMember" abstract="true" name="GeneralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_ExpirationDateofSwap" abstract="false" name="ExpirationDateofSwap" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:gYearItemType"/>
  <xs:element id="tve_LpcsDomain" abstract="true" name="LpcsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_RevisionsInEstimateDueToCoalFines" abstract="false" name="RevisionsInEstimateDueToCoalFines" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_PrivateCreditMember" abstract="true" name="PrivateCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_Financingcashflowsforfinanceleases" abstract="false" name="Financingcashflowsforfinanceleases" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_JsccgMember" abstract="true" name="JsccgMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_RebatesMember" abstract="true" name="RebatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_NuclearDecommissioningFundInvestmentsFairValue" abstract="false" name="NuclearDecommissioningFundInvestmentsFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_RetrospectivePremiums" abstract="false" name="RetrospectivePremiums" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_DefinedBenefitPlansEmployerContributionsAbstract" abstract="true" name="DefinedBenefitPlansEmployerContributionsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_TotalPercentageOfOperatingRevenues" abstract="false" name="TotalPercentageOfOperatingRevenues" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_FinanceLeaseLiabilityPaymentsDueThereafter" abstract="false" name="FinanceLeaseLiabilityPaymentsDueThereafter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_PrivateRealEstateFundsMember" abstract="true" name="PrivateRealEstateFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_ReturnOnAppropriationInvestment" abstract="false" name="ReturnOnAppropriationInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_CoalCombustionResidualPostClosureCareCostsIncreaseDecrease" abstract="false" name="CoalCombustionResidualPostClosureCareCostsIncreaseDecrease" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_NESsOfOperatingRevenues" abstract="false" name="NESsOfOperatingRevenues" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_FinancialInstrumentsOwnedMortgagesResidentialMortgagebackedandAssetbackedSecuritiesatFairValue" abstract="false" name="FinancialInstrumentsOwnedMortgagesResidentialMortgagebackedandAssetbackedSecuritiesatFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_DerivativesUnderFinancialTradingProgramAxis" abstract="true" name="DerivativesUnderFinancialTradingProgramAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_TwoLargestCustomerPercentageOfTotalOperatingRevenue" abstract="false" name="TwoLargestCustomerPercentageOfTotalOperatingRevenue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_IncreaseDecreaseInterestIncomeNonoperatingNet" abstract="false" name="IncreaseDecreaseInterestIncomeNonoperatingNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_Amountpaidforremediationunderamendedconsentdecree" abstract="false" name="Amountpaidforremediationunderamendedconsentdecree" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_EstimatedValuesOfFinancialIntrumentsNotRecordedAtFairValueAbstract" abstract="true" name="EstimatedValuesOfFinancialIntrumentsNotRecordedAtFairValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_NumberOfLPCsSignedLTAByFilingDate" abstract="false" name="NumberOfLPCsSignedLTAByFilingDate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_NetCompletedPlant" abstract="false" name="NetCompletedPlant" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_A10yearTerminationNoticeMember" abstract="true" name="A10yearTerminationNoticeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_AmendedFinalJudgementInterestRate" abstract="false" name="AmendedFinalJudgementInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_LeaseassetsobtainedinexchangeforleaseobligationsnoncashFinance" abstract="false" name="LeaseassetsobtainedinexchangeforleaseobligationsnoncashFinance" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_AmountsRecognizedonTVAsConsolidatedStatementsofCashFlowsAbstract" abstract="true" name="AmountsRecognizedonTVAsConsolidatedStatementsofCashFlowsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage" abstract="false" name="Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_AmountOfInsuranceAvailableForLossAtAnyOneSiteBottomRange" abstract="false" name="AmountOfInsuranceAvailableForLossAtAnyOneSiteBottomRange" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_AdditionalDepreciationForCoalFiredFleetMember" abstract="true" name="AdditionalDepreciationForCoalFiredFleetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_ReconciliationOfAssetRetirementObligationsLineItems" abstract="true" name="ReconciliationOfAssetRetirementObligationsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_A20yearTerminationNoticeMember" abstract="true" name="A20yearTerminationNoticeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_RemainingUnitsAxis" abstract="true" name="RemainingUnitsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_CreditOfCustomersMember" abstract="true" name="CreditOfCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_DefinedBenefitPlanStructureAxis" abstract="true" name="DefinedBenefitPlanStructureAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_RemainingUnitsDomain" abstract="true" name="RemainingUnitsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_IndustriesdirectlyservedDomain" abstract="true" name="IndustriesdirectlyservedDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_PopulationOfServiceArea" abstract="false" name="PopulationOfServiceArea" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_LineofCreditFacilityRemainingBorrowingCapacity4" abstract="false" name="LineofCreditFacilityRemainingBorrowingCapacity4" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_GallatinCoalCombustionResidualsFacilitiesAbstract" abstract="true" name="GallatinCoalCombustionResidualsFacilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_FinanceLeaseLiabilityPaymentsAmountrepresentinginterest" abstract="false" name="FinanceLeaseLiabilityPaymentsAmountrepresentinginterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_InterestPayableCurrentMember" abstract="true" name="InterestPayableCurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_OtherLongTermAssetsTable" abstract="true" name="OtherLongTermAssetsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_EnergyRightMember" abstract="true" name="EnergyRightMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_ElectronotesMember" abstract="true" name="ElectronotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_NetPeriodicBenefitCostAsAcutariallyDetermined" abstract="false" name="NetPeriodicBenefitCostAsAcutariallyDetermined" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_PrejudgementInterestRate" abstract="false" name="PrejudgementInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_ProprietaryCapital" abstract="false" name="ProprietaryCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_FairValuePlanAssetsGross" abstract="false" name="FairValuePlanAssetsGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_AcquisitionOfLeaseholdInterestsInCombustionTurbineAssets" abstract="false" name="AcquisitionOfLeaseholdInterestsInCombustionTurbineAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_A1999SeriesAMemberMember" abstract="true" name="A1999SeriesAMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_PercentageOfTotalOperatingRevenues" abstract="false" name="PercentageOfTotalOperatingRevenues" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_LongTermPowerBonds" abstract="false" name="LongTermPowerBonds" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_EconomicDevelopmentLoanSpecificLoanReserveMember" abstract="true" name="EconomicDevelopmentLoanSpecificLoanReserveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_ReconciliationOfAssetRetirementObligationLiabilityDomain" abstract="true" name="ReconciliationOfAssetRetirementObligationLiabilityDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_AssessmentFromLicenseesForEachLicensedReactor" abstract="false" name="AssessmentFromLicenseesForEachLicensedReactor" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_LettersofCreditOutstandingAmount1" abstract="false" name="LettersofCreditOutstandingAmount1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_NumberOfRevolvingCreditFacilities" abstract="false" name="NumberOfRevolvingCreditFacilities" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_A14MillionNotionalMember" abstract="true" name="A14MillionNotionalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_LineofCreditFacilityRemainingBorrowingCapacity3" abstract="false" name="LineofCreditFacilityRemainingBorrowingCapacity3" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_PricePerTon" abstract="false" name="PricePerTon" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_OtherIncomeAndExpenseAxis" abstract="true" name="OtherIncomeAndExpenseAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_NonnuclearOperatingMemberMember" abstract="true" name="NonnuclearOperatingMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_TotalAmountOfProtectionAvailable" abstract="false" name="TotalAmountOfProtectionAvailable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_PreCommercialOpsCapitalizedRevenue" abstract="false" name="PreCommercialOpsCapitalizedRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_A1998SeriesDMember" abstract="true" name="A1998SeriesDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_LongtermLineofCreditBorrowings2" abstract="false" name="LongtermLineofCreditBorrowings2" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_Otherrevenue" abstract="false" name="Otherrevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_NonNuclearDecommissioningMember" abstract="true" name="NonNuclearDecommissioningMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_SummaryOfDerivativeInstrumentsThatDoNotReceiveHedgeAccountingTreatmentAbstract" abstract="true" name="SummaryOfDerivativeInstrumentsThatDoNotReceiveHedgeAccountingTreatmentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_VieFinancingAbstract" abstract="true" name="VieFinancingAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_ChangeinUnrealizedgainslossesonInterestRateDerivatives" abstract="false" name="ChangeinUnrealizedgainslossesonInterestRateDerivatives" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_EconomicDevelopmentLoanCollectiveReserveMember" abstract="true" name="EconomicDevelopmentLoanCollectiveReserveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_ReacquiredRightsDomain" abstract="true" name="ReacquiredRightsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_AppropriationInvestmentNonpowerProgramsNet" abstract="false" name="AppropriationInvestmentNonpowerProgramsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_CumberlandMember" abstract="true" name="CumberlandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_PowerProgramAppropriationInvestmentMember" abstract="true" name="PowerProgramAppropriationInvestmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_NumberOfUnfundedPostRetirementHealthCarePlans" abstract="false" name="NumberOfUnfundedPostRetirementHealthCarePlans" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_TotalNumberOfLPCs" abstract="false" name="TotalNumberOfLPCs" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_Leaseliabilities" abstract="false" name="Leaseliabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_EstimatedValuesOfFinancialInstrumentsNotRecordedAtFairValueTableTextBlock" abstract="false" name="EstimatedValuesOfFinancialInstrumentsNotRecordedAtFairValueTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tve_RegulatoryAndOtherLongTermAssetsAbstract" abstract="true" name="RegulatoryAndOtherLongTermAssetsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_AmountsRecognizedonTVAsConsolidatedBalanceSheetLineItems" abstract="true" name="AmountsRecognizedonTVAsConsolidatedBalanceSheetLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_HoldcoMember" abstract="true" name="HoldcoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_DownPaymentFromNuclearDevelopment" abstract="false" name="DownPaymentFromNuclearDevelopment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_CommodityContractNotUnderFHPMember" abstract="true" name="CommodityContractNotUnderFHPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_OtherIncomeAndExpenseTypesDomain" abstract="true" name="OtherIncomeAndExpenseTypesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_OtherLongTermAssetsLineItems" abstract="true" name="OtherLongTermAssetsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_CtAndQteOutstandingLeasebackObligation" abstract="false" name="CtAndQteOutstandingLeasebackObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_IncreaseinOtherIncomeExpense" abstract="false" name="IncreaseinOtherIncomeExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_OffsettingAssetsandLiabilitiesTableTextBlock" abstract="false" name="OffsettingAssetsandLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tve_EnergyRightLoanReserveMember" abstract="true" name="EnergyRightLoanReserveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_Numberenvironmentaladvocacygroupswithwhichthereisanenvironmentalagreement." abstract="false" name="Numberenvironmentaladvocacygroupswithwhichthereisanenvironmentalagreement." nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_LettersofCreditOutstandingAmount3" abstract="false" name="LettersofCreditOutstandingAmount3" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_AssociatedBondIssuesCurrencyExposure" abstract="false" name="AssociatedBondIssuesCurrencyExposure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_PrepaidSoftwareMaintenance" abstract="false" name="PrepaidSoftwareMaintenance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_ChangesInClosureLiabilities" abstract="false" name="ChangesInClosureLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_ComponentsOfNetPeriodicBenefitCostAbstract" abstract="true" name="ComponentsOfNetPeriodicBenefitCostAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_NonnuclearClosedActivitiesMember" abstract="true" name="NonnuclearClosedActivitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_Institutionalmutualfunds" abstract="false" name="Institutionalmutualfunds" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_OtherLongTermLiabilitiesLineItems" abstract="true" name="OtherLongTermLiabilitiesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_IncreaseinAssetRetirementObligationRevisionsinEstimate" abstract="false" name="IncreaseinAssetRetirementObligationRevisionsinEstimate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_Totallongdurationcontractrevenuerecognition" abstract="false" name="Totallongdurationcontractrevenuerecognition" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_BorrowingsUnderUSTreasuryCreditFacility" abstract="false" name="BorrowingsUnderUSTreasuryCreditFacility" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_CommodityContractUnderFHPMember" abstract="true" name="CommodityContractUnderFHPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_AmountToBeInvestedInCertainEnvironmentalProjects" abstract="false" name="AmountToBeInvestedInCertainEnvironmentalProjects" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_Pipelinefinancingobligation" abstract="false" name="Pipelinefinancingobligation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_AppropriationInvestmentPowerProgram" abstract="false" name="AppropriationInvestmentPowerProgram" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_Maximumamountofretrospectivepremiums" abstract="false" name="Maximumamountofretrospectivepremiums" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_IncreaseDecreaseNuclearDecommissioningTrustFairValue" abstract="false" name="IncreaseDecreaseNuclearDecommissioningTrustFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_OtherRegulatoryAmortizationAndDeferrals" abstract="false" name="OtherRegulatoryAmortizationAndDeferrals" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_RevisionInEstimateDueToNewDepreciationRates" abstract="false" name="RevisionInEstimateDueToNewDepreciationRates" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_IncreaseDecreaseInInterestRateSwapLiability" abstract="false" name="IncreaseDecreaseInInterestRateSwapLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_UnfundedLoanCommitments" abstract="false" name="UnfundedLoanCommitments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_BellefonteDepositRevenue" abstract="false" name="BellefonteDepositRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_DepreciationDomain" abstract="true" name="DepreciationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_LineofCreditFacilityRemainingBorrowingCapacity1" abstract="false" name="LineofCreditFacilityRemainingBorrowingCapacity1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_RevenueAbstract" abstract="true" name="RevenueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_DiscounttoRevenueAxis" abstract="true" name="DiscounttoRevenueAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_OtherLongTermAssetsAxis" abstract="true" name="OtherLongTermAssetsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_MLGWsofoperatingrevenues" abstract="false" name="MLGWsofoperatingrevenues" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_PercentOfPandemicCreditOffered" abstract="false" name="PercentOfPandemicCreditOffered" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_MinimumLeaseTerm" abstract="false" name="MinimumLeaseTerm" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_CompensatoryDamagesKingstonCase" abstract="false" name="CompensatoryDamagesKingstonCase" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_OperatingleaseassetsnetofamortizationDomain" abstract="true" name="OperatingleaseassetsnetofamortizationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_CurrencySwapsOutstandingAbstract" abstract="true" name="CurrencySwapsOutstandingAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_NuclearLiabilityInsurance" abstract="false" name="NuclearLiabilityInsurance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_FuelAndPurchasedPower" abstract="false" name="FuelAndPurchasedPower" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_ReacquiredRightsAxis" abstract="true" name="ReacquiredRightsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tve_FairValueMeasurementsAbstract" abstract="true" name="FairValueMeasurementsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_ChangeInLongTermDebt" abstract="false" name="ChangeInLongTermDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_PurchasedPowerLease" abstract="false" name="PurchasedPowerLease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_KemperLagoonCreekLeaseholdInterestsMember" abstract="true" name="KemperLagoonCreekLeaseholdInterestsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_LongtermLineofCreditBorrowings1" abstract="false" name="LongtermLineofCreditBorrowings1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_LTDCPMember" abstract="true" name="LTDCPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_CompensatedCostsToNuclearDevelopment" abstract="false" name="CompensatedCostsToNuclearDevelopment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_LagoonCreekMember" abstract="true" name="LagoonCreekMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_NumberoflicensedreactorsinUS" abstract="false" name="NumberoflicensedreactorsinUS" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tve_ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock" abstract="false" name="ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tve_NonperformanceRiskAbstract" abstract="true" name="NonperformanceRiskAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tve_LeaseholdInterest" abstract="false" name="LeaseholdInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tve_A42MillionNotionalInterestRateSwapMember" abstract="true" name="A42MillionNotionalInterestRateSwapMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tve_OtherDebtinstrumentInterestRateEffectivePercentage" abstract="false" name="OtherDebtinstrumentInterestRateEffectivePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tve_RedemptionsAndMaturitiesDomain" abstract="true" name="RedemptionsAndMaturitiesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
</xs:schema>
