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  <xsd:element id="tve_AmountOfCivilPenaltyOrderSatisfied" name="AmountOfCivilPenaltyOrderSatisfied" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_AmountOfDefinedBenefitPlanActuarialGainLossFromDiscountRateChange" name="AmountOfDefinedBenefitPlanActuarialGainLossFromDiscountRateChange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_AmountOfDefinedBenefitPlanActuarialGainLossFromExciseTaxChange" name="AmountOfDefinedBenefitPlanActuarialGainLossFromExciseTaxChange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_AmountOfDefinedBenefitPlanActuarialGainLossFromHealthCareCostTrendRateChange" name="AmountOfDefinedBenefitPlanActuarialGainLossFromHealthCareCostTrendRateChange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_AmountOfInsuranceAvailableForLossAtAnyOneSite" name="AmountOfInsuranceAvailableForLossAtAnyOneSite" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried" name="AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_AmountOfRedeemableBondIssuesOutstanding" name="AmountOfRedeemableBondIssuesOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_AmountOfSettlementForPotentialLiabilityRelatedToSoilCleanup" name="AmountOfSettlementForPotentialLiabilityRelatedToSoilCleanup" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tve_AmountSpentToReduceEmissions" name="AmountSpentToReduceEmissions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_AmountSpentToReduceEmissionsSince1977" name="AmountSpentToReduceEmissionsSince1977" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_AmountToBeInvestedInCertainEnvironmentalProjects" name="AmountToBeInvestedInCertainEnvironmentalProjects" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_AmountToBePaidInCivilPenalties" name="AmountToBePaidInCivilPenalties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_AmountToBeProvidedToFundEnvironmentalProjects" name="AmountToBeProvidedToFundEnvironmentalProjects" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_AmountToPayCivilPenalties" name="AmountToPayCivilPenalties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_Amountofdefinedbenefitplanactuarialgainlossfromplandemographicexperiencechanges" name="Amountofdefinedbenefitplanactuarialgainlossfromplandemographicexperiencechanges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_AppropriationInvestmentAxis" name="AppropriationInvestmentAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_AppropriationInvestmentDomain" name="AppropriationInvestmentDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_AppropriationInvestmentLineItems" name="AppropriationInvestmentLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_AppropriationInvestmentNonpowerProgramsNet" name="AppropriationInvestmentNonpowerProgramsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_AppropriationInvestmentPowerProgram" name="AppropriationInvestmentPowerProgram" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_AppropriationInvestmentTable" name="AppropriationInvestmentTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ArtMember" name="ArtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_AssessmentFromLicenseesForEachLicensedReactor" name="AssessmentFromLicenseesForEachLicensedReactor" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_AssociatedBondIssuesCurrencyExposure" name="AssociatedBondIssuesCurrencyExposure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_AverageTimePeriod" name="AverageTimePeriod" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_BLEUfuelobligation" name="BLEUfuelobligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_Balance" name="Balance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_BlendedLowEnrichedUraniumProgramPolicyTextBlock" name="BlendedLowEnrichedUraniumProgramPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_BlendedSecurityCommingledFundsMember" name="BlendedSecurityCommingledFundsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_BondIssuesWithSurvivorsOption" name="BondIssuesWithSurvivorsOption" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_BondsOutstandingWithSurvivorsOption" name="BondsOutstandingWithSurvivorsOption" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_CallPricePercent" name="CallPricePercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_CaseArisingOutOfHurricaneKatrinaMember" name="CaseArisingOutOfHurricaneKatrinaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_CaseInvolvingNrcWasteConfidenceDecisionOnSpentNuclearFuelStorageMember" name="CaseInvolvingNrcWasteConfidenceDecisionOnSpentNuclearFuelStorageMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_CaseInvolvingTennesseeValleyAuthorityRetirementSystemMember" name="CaseInvolvingTennesseeValleyAuthorityRetirementSystemMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_CaseinvolvingColbertFossilPlantMember" name="CaseinvolvingColbertFossilPlantMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_CashBalanceBenefitStructureMember" name="CashBalanceBenefitStructureMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_CashCollateralForBorrowedSecuritiesMember" name="CashCollateralForBorrowedSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ChangeInAccumulatedPostretirementBenefitObligation" name="ChangeInAccumulatedPostretirementBenefitObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_ChangeInDiscountRateAssumptionForPostEmploymentBenefitExpense" name="ChangeInDiscountRateAssumptionForPostEmploymentBenefitExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption" name="ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_CivilPenaltiesMember" name="CivilPenaltiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_CivilPenaltyOrderIssuedJune12010" name="CivilPenaltyOrderIssuedJune12010" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_ClosedDerivativeContractsMember" name="ClosedDerivativeContractsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_CollateralAbstract" name="CollateralAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_CollateralizedCommercialMortgageBackedSecuritiesMember" name="CollateralizedCommercialMortgageBackedSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_CommitmentsAndContingenciesAbstract" name="CommitmentsAndContingenciesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_CommoditiesMember" name="CommoditiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_CommodityContractLiabilityNoncurrent" name="CommodityContractLiabilityNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_Commoditycontractderivativeliabilitiesfairvaluedisclosure" name="Commoditycontractderivativeliabilitiesfairvaluedisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_ComponentOfOtherIncomeExpenseLineItems" name="ComponentOfOtherIncomeExpenseLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ComponentsOfNetPeriodicBenefitCostAbstract" name="ComponentsOfNetPeriodicBenefitCostAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ComputedAverageInterestRatePayable" name="ComputedAverageInterestRatePayable" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_CoreFixedIncomeMember" name="CoreFixedIncomeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_CostEstimateForFirstPhaseOfSoilCleanup" name="CostEstimateForFirstPhaseOfSoilCleanup" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_CostEstimateForSecondPhaseOfSoilCleanup" name="CostEstimateForSecondPhaseOfSoilCleanup" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_CostOfLivingAdjustmentCap" name="CostOfLivingAdjustmentCap" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_CostOfLivingAdjustmentCapForCalendarYear2014AndForward" name="CostOfLivingAdjustmentCapForCalendarYear2014AndForward" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_CounterpartyCreditRiskAbstract" name="CounterpartyCreditRiskAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_CreditAgainstCivilPenaltyOrder" name="CreditAgainstCivilPenaltyOrder" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_CreditOfCustomersMember" name="CreditOfCustomersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_CtAndQteOutstandingLeasebackObligation" name="CtAndQteOutstandingLeasebackObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell" name="CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_CurrencySwapsOutstandingAbstract" name="CurrencySwapsOutstandingAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_CurrencySwapsOutstandingTableTextBlock" name="CurrencySwapsOutstandingTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DEUMember" name="DEUMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DebtAndOtherObligationsAbstract" name="DebtAndOtherObligationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DebtCeiling" name="DebtCeiling" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_DebtGeneralTable" name="DebtGeneralTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DebtInstrumentBasisPointSpreadonVariableRate" name="DebtInstrumentBasisPointSpreadonVariableRate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DebtOfVariableInterestEntitiesMember" name="DebtOfVariableInterestEntitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DebtOutstandingAbstract" name="DebtOutstandingAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DebtOutstandingTable" name="DebtOutstandingTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DebtSecuritiesTableTextBlock" name="DebtSecuritiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DebtSecurityCommingledFunds" name="DebtSecurityCommingledFunds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_DebtSecurityCommingledFundsMember" name="DebtSecurityCommingledFundsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DebtissuesAxis" name="DebtissuesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DebtissuesDomain" name="DebtissuesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DecreaseIncreaseInFuelExpense" name="DecreaseIncreaseInFuelExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DecreaseIncreaseInPurchasedPowerExpense" name="DecreaseIncreaseInPurchasedPowerExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DefinedBenefitPlanActualRateOfReturnOnPlanAssets" name="DefinedBenefitPlanActualRateOfReturnOnPlanAssets" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DefinedBenefitPlanAmortizationFromRegulatoryAssetsOfNetGainsLosses" name="DefinedBenefitPlanAmortizationFromRegulatoryAssetsOfNetGainsLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tve_DefinedBenefitPlanAmortizationFromRegulatoryAssetsOfNetPriorServiceCostCredit" name="DefinedBenefitPlanAmortizationFromRegulatoryAssetsOfNetPriorServiceCostCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_DefinedBenefitPlanAmountsDeferredAsRegulatoryAssetsNetGainsLosses" name="DefinedBenefitPlanAmountsDeferredAsRegulatoryAssetsNetGainsLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_DefinedBenefitPlanAmountsDeferredAsRegulatoryAssetsNetPriorServiceCost" name="DefinedBenefitPlanAmountsDeferredAsRegulatoryAssetsNetPriorServiceCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_DefinedBenefitPlanAssetFairValueMeasurementsAbstract" name="DefinedBenefitPlanAssetFairValueMeasurementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DefinedBenefitPlanAssumptionsMaintainedForCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" name="DefinedBenefitPlanAssumptionsMaintainedForCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseHighEndOfRange" name="DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseHighEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange" name="DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DefinedBenefitPlanCostOfLivingAdjustmentAssumption" name="DefinedBenefitPlanCostOfLivingAdjustmentAssumption" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities" name="DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations" name="DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DefinedBenefitPlanStructureAxis" name="DefinedBenefitPlanStructureAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DefinedBenefitPlansEmployerContributionsAbstract" name="DefinedBenefitPlansEmployerContributionsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DefinedContributionPlanEmployerMatchingContributionRate" name="DefinedContributionPlanEmployerMatchingContributionRate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DefinedbenefitplanstructureDomain" name="DefinedbenefitplanstructureDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DeiAbstract" name="DeiAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DepreciationAxis" name="DepreciationAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DepreciationDomain" name="DepreciationDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DepreciationLineItems" name="DepreciationLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DepreciationRatesTableTextBlock" name="DepreciationRatesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DepreciationTable" name="DepreciationTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DerivativeAssetsUnderFTPAbstract" name="DerivativeAssetsUnderFTPAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DerivativeLiabilitiesUnderFTPAbstract" name="DerivativeLiabilitiesUnderFTPAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DerivativesUnderFinancialTradingProgramAxis" name="DerivativesUnderFinancialTradingProgramAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DerivativesUnderFinancialTradingProgramTable" name="DerivativesUnderFinancialTradingProgramTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_DerivativesUnderFtpAbstract" name="DerivativesUnderFtpAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_DiscountNotesYearsToMaturityHighEndOfRange" name="DiscountNotesYearsToMaturityHighEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_DiscountPerKilowattHour" name="DiscountPerKilowattHour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_DiscountedEnergyUnitsContractPeriod1" name="DiscountedEnergyUnitsContractPeriod1" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_DiscountedEnergyUnitsContractPeriod2" name="DiscountedEnergyUnitsContractPeriod2" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_DiscountedEnergyUnitsContractPeriod3" name="DiscountedEnergyUnitsContractPeriod3" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_DiscountedEnergyUnitsContractPeriod4" name="DiscountedEnergyUnitsContractPeriod4" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_DownPaymentOnNaturalResourceDamages" name="DownPaymentOnNaturalResourceDamages" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_EffectiveDateOfCurrencySwapContract" name="EffectiveDateOfCurrencySwapContract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:gYearItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_ElectricSubtotalMember" name="ElectricSubtotalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ElectronotesMember" name="ElectronotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_EnergyEfficiencyProjectsMember" name="EnergyEfficiencyProjectsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_EnergyRightMember" name="EnergyRightMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_EnvironmentalAgreementsLiability" name="EnvironmentalAgreementsLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_EnvironmentalAgreementsMember" name="EnvironmentalAgreementsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_EquitySecurityCommingledFunds" name="EquitySecurityCommingledFunds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_EquitySecurityCommingledFundsMember" name="EquitySecurityCommingledFundsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_EstimatedFutureBenefitPaymentsAbstract" name="EstimatedFutureBenefitPaymentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_EstimatedValuesOfFinancialInstrumentsNotRecordedAtFairValueTableTextBlock" name="EstimatedValuesOfFinancialInstrumentsNotRecordedAtFairValueTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_EstimatedValuesOfFinancialIntrumentsNotRecordedAtFairValueAbstract" name="EstimatedValuesOfFinancialIntrumentsNotRecordedAtFairValueAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ExpectedAmortizationOfRegulatoryAssetsInNextFiscalYearAbstract" name="ExpectedAmortizationOfRegulatoryAssetsInNextFiscalYearAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Expectedincreasedecreaseinoperationandmaintenanceexpense" name="Expectedincreasedecreaseinoperationandmaintenanceexpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tve_ExpirationDateOfSwap" name="ExpirationDateOfSwap" nillable="true" substitutionGroup="xbrli:item" type="xbrli:gYearItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FairValueAssetsOrLiabilitiesMeasuredOnRecurringBasisGainLossDeferredAsRegulatoryAssetsOrLiabilities" name="FairValueAssetsOrLiabilitiesMeasuredOnRecurringBasisGainLossDeferredAsRegulatoryAssetsOrLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_FairValueByClassAxis" name="FairValueByClassAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_FairValueByClassDomain" name="FairValueByClassDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_FairValueInputsAssetsandLiabilitiesQuantitativeInformationLineItems" name="FairValueInputsAssetsandLiabilitiesQuantitativeInformationLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_FairValueInputsAssetsandLiabilitiesQuantitativeInformationTable" name="FairValueInputsAssetsandLiabilitiesQuantitativeInformationTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FairValueInputsAssetsandLiabilitiesQuantitativeInformationTableTextBlockTableTextBlock" name="FairValueInputsAssetsandLiabilitiesQuantitativeInformationTableTextBlockTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilityIssues" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilityIssues" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tve_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilityPurchases" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilityPurchases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilityPurchasesSalesIssuesSettlementsAbstract" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilityPurchasesSalesIssuesSettlementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilitySales" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilitySales" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilitySettlements" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilitySettlements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilityValue" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOrLiabilityValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_FairValueMeasurementsAbstract" name="FairValueMeasurementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FairValueMeasurementsTonsPerYear" name="FairValueMeasurementsTonsPerYear" nillable="true" substitutionGroup="xbrli:item" type="num:weightItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_FairValueMeasurementsUsingSignificantUnobservableInputsAbstract" name="FairValueMeasurementsUsingSignificantUnobservableInputsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FairValuePlanAssetsGross" name="FairValuePlanAssetsGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tve_FairValueassetsandliabilitiesMeasuredonRecurringBasisUnobservableInputReconciliationTableTextBlock" name="FairValueassetsandliabilitiesMeasuredonRecurringBasisUnobservableInputReconciliationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FinancialInstrumentsOwnedMortgagesCommercialMortgagebackedandAssetbackedSecuritiesatFairValue" name="FinancialInstrumentsOwnedMortgagesCommercialMortgagebackedandAssetbackedSecuritiesatFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tve_FinancialInstrumentsOwnedMortgagesResidentialMortgagebackedandAssetbackedSecuritiesatFairValue" name="FinancialInstrumentsOwnedMortgagesResidentialMortgagebackedandAssetbackedSecuritiesatFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_FinancialInstrumentsPledgedAsCollateralMember" name="FinancialInstrumentsPledgedAsCollateralMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage" name="Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_FirstQuarterMember" name="FirstQuarterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FixedAndVariableFundMaximumAnnualContribution" name="FixedAndVariableFundMaximumAnnualContribution" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010" name="FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FixedFundBalanceInterestCreditRateAfterJanuary12010" name="FixedFundBalanceInterestCreditRateAfterJanuary12010" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FixedFundInterestCreditAmount" name="FixedFundInterestCreditAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_FixedFundInterestCreditRate" name="FixedFundInterestCreditRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FixedRatePeriodForCouponRateResetOnParrs" name="FixedRatePeriodForCouponRateResetOnParrs" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_FourthQuarterMember" name="FourthQuarterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FtpTransactionLimit" name="FtpTransactionLimit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tve_FtpUnrealizedGainsLossesTableTextBlock" name="FtpUnrealizedGainsLossesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FuelCostTaxEquivalents" name="FuelCostTaxEquivalents" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_FuelOilAndCrudeOilFuturesMember" name="FuelOilAndCrudeOilFuturesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_FuelOilAndCrudeOilOptionMember" name="FuelOilAndCrudeOilOptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_FuelOilAndCrudeOilSwapMember" name="FuelOilAndCrudeOilSwapMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_FuelOilAndCrudeOilTotalContractsMember" name="FuelOilAndCrudeOilTotalContractsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_FuturedistributiontoBeMadetoLimitedLiabilityCompanyLLCMemberCashDistributions" name="FuturedistributiontoBeMadetoLimitedLiabilityCompanyLLCMemberCashDistributions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_FuturesDomain" name="FuturesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_GeneralAbstract" name="GeneralAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_GeneralAndBasisOfPresentationAxis" name="GeneralAndBasisOfPresentationAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_GeneralAndBasisOfPresentationDomain" name="GeneralAndBasisOfPresentationDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_GeneralMember" name="GeneralMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_GeneralTable" name="GeneralTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_GlobalTipsMember" name="GlobalTipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_HighEndOfCleanupEstimate" name="HighEndOfCleanupEstimate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_HighYieldFixedIncomeMember" name="HighYieldFixedIncomeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_HoldcoBalloonPayment" name="HoldcoBalloonPayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_HoldcoMember" name="HoldcoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_HydroPlantMember" name="HydroPlantMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Impactofpreviouslyexcludedretireebenefits" name="Impactofpreviouslyexcludedretireebenefits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tve_IncrementalAmountOfDiscountedEnergyUnits" name="IncrementalAmountOfDiscountedEnergyUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_InitialLiabilityRecorded" name="InitialLiabilityRecorded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_InsurancePolicyTextBlock" name="InsurancePolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_InterVendorPricingVariance" name="InterVendorPricingVariance" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_InterestPayableCurrentMember" name="InterestPayableCurrentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_InvestmentGradeCreditMember" name="InvestmentGradeCreditMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_InvestmentInDeferredGeneratingUnits" name="InvestmentInDeferredGeneratingUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_InvestmentInEnergyEfficiencyProjects" name="InvestmentInEnergyEfficiencyProjects" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_JsccgMember" name="JsccgMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_KingstonAmountsSpentToDate" name="KingstonAmountsSpentToDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tve_LeaseTerm" name="LeaseTerm" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_LeaseTermsHighEndOfRange" name="LeaseTermsHighEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_LeaseTermsLowEndOfRange" name="LeaseTermsLowEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_LeasebackObligationsAbstract" name="LeasebackObligationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_LeasebackTransactionNumberOfUnits" name="LeasebackTransactionNumberOfUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_LeasesAxis" name="LeasesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_LeasesDomain" name="LeasesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_LeasesLineItems" name="LeasesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_LeasesTable" name="LeasesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_LegalProceedingsRelatedToKingstonAshSpillMember" name="LegalProceedingsRelatedToKingstonAshSpillMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_LengthOfTimeToCompleteMediation" name="LengthOfTimeToCompleteMediation" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_LiabilitiesAndProprietaryCapital" name="LiabilitiesAndProprietaryCapital" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_LiabilitiesAndProprietaryCapitalAbstract" name="LiabilitiesAndProprietaryCapitalAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_LiabilitiesCurrentMember" name="LiabilitiesCurrentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_LongTermCoreFixedIncomeMember" name="LongTermCoreFixedIncomeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_LongTermDebtOfVariableInterestEntities" name="LongTermDebtOfVariableInterestEntities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_LongTermDebtOfVariableInterestEntitiesIncludingCurrentMaturities" name="LongTermDebtOfVariableInterestEntitiesIncludingCurrentMaturities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_LongTermOutstandingPowerBondsNet" name="LongTermOutstandingPowerBondsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_LongTermPowerBonds" name="LongTermPowerBonds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_LongTermPowerBondsIncludingCurrentMaturities" name="LongTermPowerBondsIncludingCurrentMaturities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_LongtermdebtofvariableinterestentitiesMember" name="LongtermdebtofvariableinterestentitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_LowEndOfCleanupEstimate" name="LowEndOfCleanupEstimate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_LowvolatilityglobalpublicequityMember" name="LowvolatilityglobalpublicequityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_MarginCashAccountMember" name="MarginCashAccountMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_MarketRelatedValuePhaseInPeriodNumberOfYears" name="MarketRelatedValuePhaseInPeriodNumberOfYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_MarketValueLimitationOfOutstandingConstructionMaterialsHedgingTransactions" name="MarketValueLimitationOfOutstandingConstructionMaterialsHedgingTransactions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_MaturitiesDueAbstract" name="MaturitiesDueAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_MaximumAmountOfRetrospecitvePremiums" name="MaximumAmountOfRetrospecitvePremiums" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_MaximumAssessmentPerNuclearIncident" name="MaximumAssessmentPerNuclearIncident" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_MaximumHedgeVolume" name="MaximumHedgeVolume" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline" name="MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_MaximumInterestCreditPercentageForCashBalanceBenefit" name="MaximumInterestCreditPercentageForCashBalanceBenefit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_MaximumOriginalMaturity" name="MaximumOriginalMaturity" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_MaximumPaymentRequiredPerAccidentInAnyOneYear" name="MaximumPaymentRequiredPerAccidentInAnyOneYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_MaximumTermForPurchaseOfEnrichedUraniumAndFabricationOfNuclearFuelAssemblies" name="MaximumTermForPurchaseOfEnrichedUraniumAndFabricationOfNuclearFuelAssemblies" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_MaximumTermLengthForPurchaseAndTransportationOfCoal" name="MaximumTermLengthForPurchaseAndTransportationOfCoal" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_MegawattAllocation" name="MegawattAllocation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_Megawatts" name="Megawatts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_MegawattsOption2" name="MegawattsOption2" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_MegawattsProvidedUnderPowerPurchaseObligations" name="MegawattsProvidedUnderPowerPurchaseObligations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_MinimumInterestCreditPercentageForCashBalanceBenefit" name="MinimumInterestCreditPercentageForCashBalanceBenefit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_MinimumInvestmentPeriod" name="MinimumInvestmentPeriod" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_MinimumRequiredHoursOfPower" name="MinimumRequiredHoursOfPower" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_Minimumconstructionperiod." name="Minimumconstructionperiod." nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_MinimumpercentageincreaseintwelvemonthaverageCPIUnecessarytoreceiveCOLA" name="MinimumpercentageincreaseintwelvemonthaverageCPIUnecessarytoreceiveCOLA" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Miscellaneous" name="Miscellaneous" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_MlgwMember" name="MlgwMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_MlpsMember" name="MlpsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_MultipurposeDamsMember" name="MultipurposeDamsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_NaturalGasFuturesMember" name="NaturalGasFuturesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_NaturalGasOptionMember" name="NaturalGasOptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_NaturalGasSwapMember" name="NaturalGasSwapMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_NdtMember" name="NdtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NetCompletedPlant" name="NetCompletedPlant" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_NetCompletedPlantAbstract" name="NetCompletedPlantAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NetEffectOnEarnings" name="NetEffectOnEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_NetPayables" name="NetPayables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_NetPeriodicBenefitCostAsAcutariallyDetermined" name="NetPeriodicBenefitCostAsAcutariallyDetermined" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tve_NetTransfersFromVariableFund401KPlan" name="NetTransfersFromVariableFund401KPlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_NonNuclearDecommissioningMember" name="NonNuclearDecommissioningMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_NonNuclearMember" name="NonNuclearMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_NoncurrentRegulatoryAssetsMember" name="NoncurrentRegulatoryAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_NonperformanceRiskAbstract" name="NonperformanceRiskAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_NonpowerProgramsAppropriationInvestmentMember" name="NonpowerProgramsAppropriationInvestmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_NonpowerProgramsAppropriationInvestmentNetMember" name="NonpowerProgramsAppropriationInvestmentNetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_NonpowerProgramsRetainedEarningsMember" name="NonpowerProgramsRetainedEarningsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NuclearAccidentAssessmentLimitationPerYearPerUnit" name="NuclearAccidentAssessmentLimitationPerYearPerUnit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_NuclearDesommissioningCostsMember" name="NuclearDesommissioningCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NuclearLiabilityInsurance" name="NuclearLiabilityInsurance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_NuclearMember" name="NuclearMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfActiveFutureCommissionMerchants" name="NumberOfActiveFutureCommissionMerchants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfAdmittedContentionsSubmittedByBredlAndSace" name="NumberOfAdmittedContentionsSubmittedByBredlAndSace" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfAreasOfCleanup" name="NumberOfAreasOfCleanup" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfBoardMembers" name="NumberOfBoardMembers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfBondTests" name="NumberOfBondTests" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfBritishPoundStrelingDenominatedBondTransactions" name="NumberOfBritishPoundStrelingDenominatedBondTransactions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfCasesThatReceivedBenchTrial" name="NumberOfCasesThatReceivedBenchTrial" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfChemicalTradeAssociationsSued" name="NumberOfChemicalTradeAssociationsSued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfConsecutiveHighestBasePayYears" name="NumberOfConsecutiveHighestBasePayYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfContentionsAdmittedForHearing" name="NumberOfContentionsAdmittedForHearing" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfContentionsDismissed" name="NumberOfContentionsDismissed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfContentionsLeft" name="NumberOfContentionsLeft" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfContentionsNoLongerAdmitted" name="NumberOfContentionsNoLongerAdmitted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfContentionsRemaining" name="NumberOfContentionsRemaining" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfContentionsSubmittedByBredlAndSace" name="NumberOfContentionsSubmittedByBredlAndSace" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfContracts" name="NumberOfContracts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfCreditRatingAgencies" name="NumberOfCreditRatingAgencies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfCustomersThatRepresentPercentOfOutstandingAccountsReceivable" name="NumberOfCustomersThatRepresentPercentOfOutstandingAccountsReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfDaysInDefault" name="NumberOfDaysInDefault" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfDaysToFileAmmendedComplaint" name="NumberOfDaysToFileAmmendedComplaint" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfDefendantsThatFiledMotionToDismiss" name="NumberOfDefendantsThatFiledMotionToDismiss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfDeferredGeneratingUnits" name="NumberOfDeferredGeneratingUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfDredgeCellsThatFailed" name="NumberOfDredgeCellsThatFailed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfEnvironmentalAgreementsEnteredIntoWithAlabamaKentuckyNorthCarolinaAndTennessee" name="NumberOfEnvironmentalAgreementsEnteredIntoWithAlabamaKentuckyNorthCarolinaAndTennessee" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfEnvironmentalAgreementsEnteredIntoWithEnvironmentalAdvocacyGroups" name="NumberOfEnvironmentalAgreementsEnteredIntoWithEnvironmentalAdvocacyGroups" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfEnvironmentalAgreementsEnteredIntoWithEpa" name="NumberOfEnvironmentalAgreementsEnteredIntoWithEpa" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfHydroelecticFacilitiesWithReducedProduction" name="NumberOfHydroelecticFacilitiesWithReducedProduction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfIndividualDefendants" name="NumberOfIndividualDefendants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfIssuesOfPutableAutomaticRateResetSecuritiesOutstanding" name="NumberOfIssuesOfPutableAutomaticRateResetSecuritiesOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfIssuesWithPartialMaturities" name="NumberOfIssuesWithPartialMaturities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfLargeChemicalCompaniesSued" name="NumberOfLargeChemicalCompaniesSued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfLargeCompaniesSued" name="NumberOfLargeCompaniesSued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfLargeOilCompaniesSued" name="NumberOfLargeOilCompaniesSued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfLawsuitsDismissed" name="NumberOfLawsuitsDismissed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfLawsuitsFiled" name="NumberOfLawsuitsFiled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes" name="NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfLicensedNuclearUnits" name="NumberOfLicensedNuclearUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfMississippiResidentsAllegedlyInjured" name="NumberOfMississippiResidentsAllegedlyInjured" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfOilCompanyTradeAssociationsSued" name="NumberOfOilCompanyTradeAssociationsSued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfOtherPetitioners" name="NumberOfOtherPetitioners" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfParticipantsThatFiledSuit" name="NumberOfParticipantsThatFiledSuit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfPhasesOfSoilCleanup" name="NumberOfPhasesOfSoilCleanup" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning" name="NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfQualifiedDefinedBenefitPlans" name="NumberOfQualifiedDefinedBenefitPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfQualifiedDefinedContributionPlans" name="NumberOfQualifiedDefinedContributionPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfRateResets" name="NumberOfRateResets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfReadilyAvailableQuotedExchangePricesForInvestments" name="NumberOfReadilyAvailableQuotedExchangePricesForInvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfRedemptionOrLimitedRedemptionOptions" name="NumberOfRedemptionOrLimitedRedemptionOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfRemainingCases" name="NumberOfRemainingCases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfRequestsAcceptedByNrc" name="NumberOfRequestsAcceptedByNrc" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfRevolvingCreditFacilities" name="NumberOfRevolvingCreditFacilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfSaceContentions" name="NumberOfSaceContentions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfSeparatePetitionsFiledByNaturalResourcesDefenseCouncil" name="NumberOfSeparatePetitionsFiledByNaturalResourcesDefenseCouncil" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfSimilarEnvironmentalAgreementsEnteredInto" name="NumberOfSimilarEnvironmentalAgreementsEnteredInto" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfSites" name="NumberOfSites" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfSuppliers" name="NumberOfSuppliers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfTypesOfBondsOutstanding" name="NumberOfTypesOfBondsOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower" name="NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfUnfundedPostRetirementHealthCarePlans" name="NumberOfUnfundedPostRetirementHealthCarePlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfUnitsToBeIdled" name="NumberOfUnitsToBeIdled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfVies" name="NumberOfVies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberOfYearsDuringWhichCostOfLivingAdjustmentChanged" name="NumberOfYearsDuringWhichCostOfLivingAdjustmentChanged" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfYearsThatSpentFuelCanBeStoredAfterPlantsLicenseIsTerminated" name="NumberOfYearsThatSpentFuelCanBeStoredAfterPlantsLicenseIsTerminated" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberOfYearsToPayForNaturalResourceDamages" name="NumberOfYearsToPayForNaturalResourceDamages" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_NumberofBREDLcontentions" name="NumberofBREDLcontentions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberofBoardMembersAppointed" name="NumberofBoardMembersAppointed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Numberofbenefitplanstructures" name="Numberofbenefitplanstructures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberofcontentionssubmittedbyBREDLBESTandMATRR" name="NumberofcontentionssubmittedbyBREDLBESTandMATRR" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Numberofcustomersforwhomunbilledrevenuesareestimated" name="Numberofcustomersforwhomunbilledrevenuesareestimated" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Numberofdefinedbenefitplaninvestmentfunds" name="Numberofdefinedbenefitplaninvestmentfunds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_NumberoflicensedreactorsinUS" name="NumberoflicensedreactorsinUS" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Numberofoneyearextensionsforpartnershipsinprivateequity" name="Numberofoneyearextensionsforpartnershipsinprivateequity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Numberofpetitioners" name="Numberofpetitioners" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Numberofpetitionerswithstanding" name="Numberofpetitionerswithstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Numberoftimesmediationextended" name="Numberoftimesmediationextended" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Numberofyearspartnershipsinprivateequitygenerallycontinue" name="Numberofyearspartnershipsinprivateequitygenerallycontinue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ObligationsAndFundedStatusAbstract" name="ObligationsAndFundedStatusAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Opposedcontentions" name="Opposedcontentions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Orginalleaseterm" name="Orginalleaseterm" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_OriginalBenefitStructureMember" name="OriginalBenefitStructureMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIonDerivativesNetofTaxintheNextTwelveMonths" name="OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIonDerivativesNetofTaxintheNextTwelveMonths" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherIncomeAndExpenseAxis" name="OtherIncomeAndExpenseAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherIncomeAndExpenseTable" name="OtherIncomeAndExpenseTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherIncomeAndExpenseTypesDomain" name="OtherIncomeAndExpenseTypesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_OtherLongTermAssets" name="OtherLongTermAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_OtherLongTermAssetsAxis" name="OtherLongTermAssetsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherLongTermAssetsDomain" name="OtherLongTermAssetsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherLongTermAssetsLineItems" name="OtherLongTermAssetsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherLongTermAssetsTable" name="OtherLongTermAssetsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherLongTermLiabilitiesAxis" name="OtherLongTermLiabilitiesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherLongTermLiabilitiesDomain" name="OtherLongTermLiabilitiesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherLongTermLiabilitiesLineItems" name="OtherLongTermLiabilitiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherLongTermLiabilitiesTable" name="OtherLongTermLiabilitiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_OtherLongTermLiabilitiesTableTextBlock" name="OtherLongTermLiabilitiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherLongtermDebtCurrentMember" name="OtherLongtermDebtCurrentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherNonCurrentRegulatoryAssetsMember" name="OtherNonCurrentRegulatoryAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherPostEmploymentBenefitsAbstract" name="OtherPostEmploymentBenefitsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherPostEmploymentBenefitsAxis" name="OtherPostEmploymentBenefitsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherPostEmploymentBenefitsDomain" name="OtherPostEmploymentBenefitsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherPostEmploymentBenefitsLineItems" name="OtherPostEmploymentBenefitsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherPostEmploymentBenefitsTable" name="OtherPostEmploymentBenefitsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherStewardshipMember" name="OtherStewardshipMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_OtherSubtotalMember" name="OtherSubtotalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_OutstandingSouthavenLeasebackObligation" name="OutstandingSouthavenLeasebackObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_PaidToStatesMember" name="PaidToStatesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_Parrs1998SeriesDBondMember" name="Parrs1998SeriesDBondMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_Parrs1999SeriesABondMember" name="Parrs1999SeriesABondMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ParrsInterestRateAfterRateReset" name="ParrsInterestRateAfterRateReset" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_ParrsInterestRatePriorToRateReset" name="ParrsInterestRatePriorToRateReset" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_PayablesForCollateralOnLoanedSecurities" name="PayablesForCollateralOnLoanedSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_PaymentrelatedtocaseinvolvingColbertFossilPlant" name="PaymentrelatedtocaseinvolvingColbertFossilPlant" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_PaymentsToUSTreasury" name="PaymentsToUSTreasury" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_PaymentsattributabletoBLEUfuelprogram" name="PaymentsattributabletoBLEUfuelprogram" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_PaymentstoAcquirePropertyPlantandEquipmentandPaymentsforProceedsfromNuclearFuel" name="PaymentstoAcquirePropertyPlantandEquipmentandPaymentsforProceedsfromNuclearFuel" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_PensionAndOtherPostretirementBenefitPlanPartcipationRate" name="PensionAndOtherPostretirementBenefitPlanPartcipationRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_PensionBenefitExpectedRateOfReturnOnPlanAssetsMember" name="PensionBenefitExpectedRateOfReturnOnPlanAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost" name="PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tve_PensionBenefitPlanEffectOfChangeInRateOnProjectedBenefitObligation" name="PensionBenefitPlanEffectOfChangeInRateOnProjectedBenefitObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PensionBenefitRatesAxis" name="PensionBenefitRatesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PensionBenefitRatesDomain" name="PensionBenefitRatesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PensionPlanAssetAllocationsAbstract" name="PensionPlanAssetAllocationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PensionPlanDiscountRateMember" name="PensionPlanDiscountRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PensionandOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrentMember" name="PensionandOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PercentOfParValue" name="PercentOfParValue" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_PercentOfTotalOutstandingAccountsReceivables" name="PercentOfTotalOutstandingAccountsReceivables" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit" name="PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit" name="PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Percentageofmembershipinterestsissued" name="Percentageofmembershipinterestsissued" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_PercentofOperationandMaintenanceCost" name="PercentofOperationandMaintenanceCost" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PeriodCollectedInRates" name="PeriodCollectedInRates" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_PeriodDuringWhichActualCompanyCompensationExperienceStudyPerformed" name="PeriodDuringWhichActualCompanyCompensationExperienceStudyPerformed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PeriodForCommitmentsAndContingenciesShown" name="PeriodForCommitmentsAndContingenciesShown" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_PeriodOfTimeForCustomersToFulfillPaymentArrangements" name="PeriodOfTimeForCustomersToFulfillPaymentArrangements" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_PeriodOfTimeWhereInvestorContributesCapitalToInvestmentInPrivatePartnershipMaximum" name="PeriodOfTimeWhereInvestorContributesCapitalToInvestmentInPrivatePartnershipMaximum" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_PeriodOfTimeWhereInvestorContributesCapitalToInvestmentInPrivatePartnershipMinimum" name="PeriodOfTimeWhereInvestorContributesCapitalToInvestmentInPrivatePartnershipMinimum" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_PetitionsResultingFromJapaneseNuclearEventsMember" name="PetitionsResultingFromJapaneseNuclearEventsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PopulationOfServiceArea" name="PopulationOfServiceArea" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_PopulationOfServiceAreaLineItems" name="PopulationOfServiceAreaLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PortfolioValueAtRiskLimitForForeignCurrencyTransactions" name="PortfolioValueAtRiskLimitForForeignCurrencyTransactions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements" name="PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_PossibleAmountOfFuturePayments" name="PossibleAmountOfFuturePayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate" name="PostEmploymentBenefitsAssumptionsUsedCalculatingNetPeriodicBenefitCostAndUnpaidBenefitObligationDiscountRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PostretirementBenefitCostsDeferredAsRegulatoryAssetsAbstract" name="PostretirementBenefitCostsDeferredAsRegulatoryAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PowerBondsYearsToMaturityHighEndOfRange" name="PowerBondsYearsToMaturityHighEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_PowerBondsYearsToMaturityLowEndOfRange" name="PowerBondsYearsToMaturityLowEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_PowerProgramAppropriationInvestmentMember" name="PowerProgramAppropriationInvestmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PowerProgramRetainedEarningsMember" name="PowerProgramRetainedEarningsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PowerPurchasedUnderAgreement" name="PowerPurchasedUnderAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PreferredsecuritiesMember" name="PreferredsecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PrepaymentPeriod" name="PrepaymentPeriod" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PricePerTon" name="PricePerTon" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_PrivateRealAssetsMember" name="PrivateRealAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PrivateRealEstateFundsMember" name="PrivateRealEstateFundsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ProceedsIn2003" name="ProceedsIn2003" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tve_ProceedsPriorTo2004" name="ProceedsPriorTo2004" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ProjectedBenefitObligationsAndAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract" name="ProjectedBenefitObligationsAndAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ProprietaryCapital" name="ProprietaryCapital" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_ProprietaryCapitalAbstract" name="ProprietaryCapitalAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PublicRealAssetsMember" name="PublicRealAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PurchaseAgreementsRequiredByFederalLawMember" name="PurchaseAgreementsRequiredByFederalLawMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_PurchaseObligationIncludingCurrentAndNonCurrent" name="PurchaseObligationIncludingCurrentAndNonCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_PurchaseObligationsCoalMember" name="PurchaseObligationsCoalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PurchaseObligationsFuelMember" name="PurchaseObligationsFuelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PurchaseObligationsNuclearFuelMember" name="PurchaseObligationsNuclearFuelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PurchaseObligationsOtherMember" name="PurchaseObligationsOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PurchaseObligationsPowerMember" name="PurchaseObligationsPowerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PutAndCallOptionsAbstract" name="PutAndCallOptionsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_PutableAutomaticRateResetSecuritiesTable" name="PutableAutomaticRateResetSecuritiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_RateOfCashBalanceBenefitCreditForCalendarYear" name="RateOfCashBalanceBenefitCreditForCalendarYear" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Rateofinflation" name="Rateofinflation" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ReclassificationfromNuclearrefuelingoutageamortizationtoOthernet" name="ReclassificationfromNuclearrefuelingoutageamortizationtoOthernet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="tve_ReclassificationfromOthernettoRegulatoryassetscosts" name="ReclassificationfromOthernettoRegulatoryassetscosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_ReclassificationfromProceedsfromleasebackstoOthernet" name="ReclassificationfromProceedsfromleasebackstoOthernet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ReclassificationsAxis" name="ReclassificationsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ReclassificationsDomain" name="ReclassificationsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ReclassificationsLineItems" name="ReclassificationsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ReclassificationsTable" name="ReclassificationsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ReconciliationOfAssetRetirementObligationLiabilityAxis" name="ReconciliationOfAssetRetirementObligationLiabilityAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ReconciliationOfAssetRetirementObligationLiabilityDomain" name="ReconciliationOfAssetRetirementObligationLiabilityDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ReconciliationOfAssetRetirementObligationLiabilityTable" name="ReconciliationOfAssetRetirementObligationLiabilityTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_ReconciliationOfAssetRetirementObligationsLineItems" name="ReconciliationOfAssetRetirementObligationsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_RecordedCostForEmissionAllowancesGrantedByEnvironmentalProtectionAgency" name="RecordedCostForEmissionAllowancesGrantedByEnvironmentalProtectionAgency" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_RedemptionsAndMaturitiesAxis" name="RedemptionsAndMaturitiesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_RegulatoryAndOtherLongTermAssetsAbstract" name="RegulatoryAndOtherLongTermAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_RegulatoryAssetsAndLiabilitiesAxis" name="RegulatoryAssetsAndLiabilitiesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_RegulatoryAssetsAndLiabilitiesDomain" name="RegulatoryAssetsAndLiabilitiesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_RegulatoryAssetsAndLiabilitiesLineItems" name="RegulatoryAssetsAndLiabilitiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_RegulatoryAssetsAndLiabilitiesTable" name="RegulatoryAssetsAndLiabilitiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_RegulatoryassetsMember" name="RegulatoryassetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Regulatoryassetscosts" name="Regulatoryassetscosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_Regulatorycurrentassetamortizationperiod" name="Regulatorycurrentassetamortizationperiod" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_RemainingAppropriationInvestment" name="RemainingAppropriationInvestment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_RemainingBalanceToBeIncludedInPlantAssetBalanceAtCompletion" name="RemainingBalanceToBeIncludedInPlantAssetBalanceAtCompletion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_RemainingDefendant" name="RemainingDefendant" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_RemainingNaturalResourceDamagesAreLessThan" name="RemainingNaturalResourceDamagesAreLessThan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_RemainingTerms" name="RemainingTerms" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_RemainingTermsOfAgreementsHighEndOfRange" name="RemainingTermsOfAgreementsHighEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_RetainedEarningsPowerProgram" name="RetainedEarningsPowerProgram" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010" name="RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010" name="RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_RetrospectivePremiums" name="RetrospectivePremiums" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_ReturnOfAppropriationInvestment" name="ReturnOfAppropriationInvestment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_ReturnOnAppropriationInvestment" name="ReturnOnAppropriationInvestment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_RevolvingCreditFacility1" name="RevolvingCreditFacility1" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_RevolvingCreditFacility2" name="RevolvingCreditFacility2" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_RevolvingCreditFacility3" name="RevolvingCreditFacility3" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_SCCGMember" name="SCCGMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_SCCGballoonpayment" name="SCCGballoonpayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_ScheduleOfAssumptionsUsedAndHealthcareCostTrendRatesTableTextBlock" name="ScheduleOfAssumptionsUsedAndHealthcareCostTrendRatesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ScheduleOfDefinedBenefitCostsDeferredAsRegulatoryAssetsTableTextBlock" name="ScheduleOfDefinedBenefitCostsDeferredAsRegulatoryAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ScheduleOfDerivativesUnderFinancialTradingProgramTableTextBlock" name="ScheduleOfDerivativesUnderFinancialTradingProgramTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ScheduleOfEffectOfOneQuarterPercentageDecreaseInPensionDiscountRateAndRateOfReturnOnPlanAssetsTableTextBlock" name="ScheduleOfEffectOfOneQuarterPercentageDecreaseInPensionDiscountRateAndRateOfReturnOnPlanAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ScheduleOfExpectedAmortizationOfPensionAndPostretirementBenefitCostsDeferredAsRegulatoryAssetsTableTextBlock" name="ScheduleOfExpectedAmortizationOfPensionAndPostretirementBenefitCostsDeferredAsRegulatoryAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ScheduleOfProjectedBenefitObligationsAndAccumulatedBenefitObligationsInExessOfPlanAssetsTableTextBlock" name="ScheduleOfProjectedBenefitObligationsAndAccumulatedBenefitObligationsInExessOfPlanAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock" name="ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_SecondQuarterMember" name="SecondQuarterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_SecuredDebtOfViesAbstract" name="SecuredDebtOfViesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_SecuredDebtOfViesTable" name="SecuredDebtOfViesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_SensitivityToCertainChangesInPensionAssumptionsAbstract" name="SensitivityToCertainChangesInPensionAssumptionsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_SensitivityToChangesInAssumedHealthCareCostTrendRatesAbstract" name="SensitivityToChangesInAssumedHealthCareCostTrendRatesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_SerpMember" name="SerpMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_SsslsOwnershipInterest" name="SsslsOwnershipInterest" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_SubsequentPeriodAfterNuclearRefuelingOutageWhenBenefitsOfCostsAreRealizedMaximum" name="SubsequentPeriodAfterNuclearRefuelingOutageWhenBenefitsOfCostsAreRealizedMaximum" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_SubsequentPeriodAfterNuclearRefuelingOutageWhenBenefitsOfCostsAreRealizedMinimum" name="SubsequentPeriodAfterNuclearRefuelingOutageWhenBenefitsOfCostsAreRealizedMinimum" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_SummaryOfDerivativeInstrumentsThatDoNotReceiveHedgeAccountingTreatmentAbstract" name="SummaryOfDerivativeInstrumentsThatDoNotReceiveHedgeAccountingTreatmentAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_SummaryOfDerivativeInstrumentsThatReceiveHedgeAccountingTreatmentAbstract" name="SummaryOfDerivativeInstrumentsThatReceiveHedgeAccountingTreatmentAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_SummaryOfProprietaryCapitalActivityTableTextBlock" name="SummaryOfProprietaryCapitalActivityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_SurchargeForLegalExpenses" name="SurchargeForLegalExpenses" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_ThirdQuarterMember" name="ThirdQuarterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_TimePeriodForMeetingBondholderProtectionTest" name="TimePeriodForMeetingBondholderProtectionTest" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_TotalAmountOfProtectionAvailable" name="TotalAmountOfProtectionAvailable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_TotalMember" name="TotalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_TotalOutstandingDiscountNotes" name="TotalOutstandingDiscountNotes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_TotalPowerProgramProprietaryCapital" name="TotalPowerProgramProprietaryCapital" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_TotalSalesThroughDeuProgramSinceInception" name="TotalSalesThroughDeuProgramSinceInception" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="tve_TotalcommodityderivativeassetsunderFTP" name="TotalcommodityderivativeassetsunderFTP" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="tve_TotalcommodityderivativeliabilitiesunderFTP" name="TotalcommodityderivativeliabilitiesunderFTP" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="tve_TradingSecuritiesCollateralizedDebtObligationsatFairValue" name="TradingSecuritiesCollateralizedDebtObligationsatFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_TypeOfEnvironmentalAgreementsPaidAxis" name="TypeOfEnvironmentalAgreementsPaidAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="tve_TypeOfEnvironmentalAgreementsPaidDomain" name="TypeOfEnvironmentalAgreementsPaidDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted" name="USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="tve_UnpaidAppropriationInvestment" name="UnpaidAppropriationInvestment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_UnrealizedLossesOnInterestRateDerivativesMember" name="UnrealizedLossesOnInterestRateDerivativesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_VariableInterestEntitiesTextBlock" name="VariableInterestEntitiesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_VariableInterestEntityInitialConsolidatedCarryingAmountLiabilities" name="VariableInterestEntityInitialConsolidatedCarryingAmountLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="tve_VieFinancingAbstract" name="VieFinancingAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_Votingpercentagerequiredtodesolvepartnershipinprivateequity" name="Votingpercentagerequiredtodesolvepartnershipinprivateequity" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="tve_YearlyamortizationofDeferrednucleargeneratingunits" name="YearlyamortizationofDeferrednucleargeneratingunits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
</xsd:schema>
