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    <link:label id="lab_invest_InvestmentDomain_3189EB58500B530423DECA693AA1A42D_label_en-US" xlink:label="lab_invest_InvestmentDomain_3189EB58500B530423DECA693AA1A42D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment [Domain]</link:label>
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    <link:label id="lab_tve_SerpMember_E1ECCCEF1B0B0BC57441CA693AA10B7E_terseLabel_en-US" xlink:label="lab_tve_SerpMember_E1ECCCEF1B0B0BC57441CA693AA10B7E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SERP</link:label>
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    <link:label id="lab_tve_SerpMember_E1ECCCEF1B0B0BC57441CA693AA10B7E_documentation_en-US" xlink:label="lab_tve_SerpMember_E1ECCCEF1B0B0BC57441CA693AA10B7E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Supplemental Executive Retirement Plan. TVA established a SERP for certain executives in critical positions to provide supplemental pension benefits tied to compensation that exceeds limits imposed by Internal Revenue Service (&#8220;IRS&#8221;) rules applicable to the qualified defined benefit pension plan. The SERP is composed of multiple types of investments and is managed by external institutional managers.</link:label>
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    <link:label id="lab_tve_NdtMember_149A0CA7822F594A01FBCA693AA1A825_documentation_en-US" xlink:label="lab_tve_NdtMember_149A0CA7822F594A01FBCA693AA1A825" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nuclear Decommissioning Trust. The NDT holds funds for the ultimate decommissioning of TVA's nuclear power plants. The NDT is composed of multiple types of investments and is managed by external institutional managers.</link:label>
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    <link:label id="lab_us-gaap_PayablesToCustomers_690ACA89EDC63998481B4FE1E3C42E18_terseLabel_en-US" xlink:label="lab_us-gaap_PayablesToCustomers_690ACA89EDC63998481B4FE1E3C42E18" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
    <link:label id="lab_us-gaap_PayablesToCustomers_690ACA89EDC63998481B4FE1E3C42E18_label_en-US" xlink:label="lab_us-gaap_PayablesToCustomers_690ACA89EDC63998481B4FE1E3C42E18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payables to Customers</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PayablesToCustomers" xlink:label="loc_us-gaap_PayablesToCustomers_690ACA89EDC63998481B4FE1E3C42E18" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PayablesToCustomers_690ACA89EDC63998481B4FE1E3C42E18" xlink:to="lab_us-gaap_PayablesToCustomers_690ACA89EDC63998481B4FE1E3C42E18" xlink:type="arc" />
    <link:label id="lab_tve_ReturnOnAppropriationInvestment_380A29E5FB9EDE1923204FE1E3C4DA86_negatedTerseLabel_en-US" xlink:label="lab_tve_ReturnOnAppropriationInvestment_380A29E5FB9EDE1923204FE1E3C4DA86" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Return on power program appropriation investment</link:label>
    <link:label id="lab_tve_ReturnOnAppropriationInvestment_380A29E5FB9EDE1923204FE1E3C4DA86_label_en-US" xlink:label="lab_tve_ReturnOnAppropriationInvestment_380A29E5FB9EDE1923204FE1E3C4DA86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Return on Appropriation Investment</link:label>
    <link:label id="lab_tve_ReturnOnAppropriationInvestment_380A29E5FB9EDE1923204FE1E3C4DA86_documentation_en-US" xlink:label="lab_tve_ReturnOnAppropriationInvestment_380A29E5FB9EDE1923204FE1E3C4DA86" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This element represents disclosure of the cash payments from net power proceeds paid annually to the U.S. government as a return on the government's appropriation investment in the reporting entity.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_ReturnOnAppropriationInvestment" xlink:label="loc_tve_ReturnOnAppropriationInvestment_380A29E5FB9EDE1923204FE1E3C4DA86" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_ReturnOnAppropriationInvestment_380A29E5FB9EDE1923204FE1E3C4DA86" xlink:to="lab_tve_ReturnOnAppropriationInvestment_380A29E5FB9EDE1923204FE1E3C4DA86" xlink:type="arc" />
    <link:label id="lab_tve_ReturnOfAppropriationInvestment_681E6D18B161EB6B15814FE1E3C47996_negatedTerseLabel_en-US" xlink:label="lab_tve_ReturnOfAppropriationInvestment_681E6D18B161EB6B15814FE1E3C47996" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Return of power program appropriation investment</link:label>
    <link:label id="lab_tve_ReturnOfAppropriationInvestment_681E6D18B161EB6B15814FE1E3C47996_label_en-US" xlink:label="lab_tve_ReturnOfAppropriationInvestment_681E6D18B161EB6B15814FE1E3C47996" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Return of Appropriation Investment</link:label>
    <link:label id="lab_tve_ReturnOfAppropriationInvestment_681E6D18B161EB6B15814FE1E3C47996_documentation_en-US" xlink:label="lab_tve_ReturnOfAppropriationInvestment_681E6D18B161EB6B15814FE1E3C47996" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This element represents disclosure of the cash payments from net power proceeds paid annually to the U.S. government as a return of the government's appropriation investment in the reporting entity.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_ReturnOfAppropriationInvestment" xlink:label="loc_tve_ReturnOfAppropriationInvestment_681E6D18B161EB6B15814FE1E3C47996" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_ReturnOfAppropriationInvestment_681E6D18B161EB6B15814FE1E3C47996" xlink:to="lab_tve_ReturnOfAppropriationInvestment_681E6D18B161EB6B15814FE1E3C47996" xlink:type="arc" />
    <link:label id="lab_tve_SensitivityToCertainChangesInPensionAssumptionsAbstract_4F89D1A27FA04AE785984FE1E51C5A27_label_en-US" xlink:label="lab_tve_SensitivityToCertainChangesInPensionAssumptionsAbstract_4F89D1A27FA04AE785984FE1E51C5A27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity to Certain Changes in Pension Assumptions [Abstract]</link:label>
    <link:label id="lab_tve_SensitivityToCertainChangesInPensionAssumptionsAbstract_4F89D1A27FA04AE785984FE1E51C5A27_documentation_en-US" xlink:label="lab_tve_SensitivityToCertainChangesInPensionAssumptionsAbstract_4F89D1A27FA04AE785984FE1E51C5A27" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sensitivity to Certain Changes in Pension Assumptions [Abstract]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_SensitivityToCertainChangesInPensionAssumptionsAbstract" xlink:label="loc_tve_SensitivityToCertainChangesInPensionAssumptionsAbstract_4F89D1A27FA04AE785984FE1E51C5A27" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_SensitivityToCertainChangesInPensionAssumptionsAbstract_4F89D1A27FA04AE785984FE1E51C5A27" xlink:to="lab_tve_SensitivityToCertainChangesInPensionAssumptionsAbstract_4F89D1A27FA04AE785984FE1E51C5A27" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CD013A87AB81C875AE284FE1E51C5F23_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CD013A87AB81C875AE284FE1E51C5F23" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Defined Benefit Plans Disclosures</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CD013A87AB81C875AE284FE1E51C5F23_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CD013A87AB81C875AE284FE1E51C5F23" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Defined Benefit Plans Disclosures [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CD013A87AB81C875AE284FE1E51C5F23" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CD013A87AB81C875AE284FE1E51C5F23" xlink:to="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CD013A87AB81C875AE284FE1E51C5F23" xlink:type="arc" />
    <link:label id="lab_tve_PensionBenefitRatesAxis_0F135C9249579AE19AF54FE1E51CA570_terseLabel_en-US" xlink:label="lab_tve_PensionBenefitRatesAxis_0F135C9249579AE19AF54FE1E51CA570" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension Benefit Rates</link:label>
    <link:label id="lab_tve_PensionBenefitRatesAxis_0F135C9249579AE19AF54FE1E51CA570_label_en-US" xlink:label="lab_tve_PensionBenefitRatesAxis_0F135C9249579AE19AF54FE1E51CA570" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Benefit Rates [Axis]</link:label>
    <link:label id="lab_tve_PensionBenefitRatesAxis_0F135C9249579AE19AF54FE1E51CA570_documentation_en-US" xlink:label="lab_tve_PensionBenefitRatesAxis_0F135C9249579AE19AF54FE1E51CA570" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information by rates used in measuring the pension net periodic benefit cost and projected benefit obligation.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PensionBenefitRatesAxis" xlink:label="loc_tve_PensionBenefitRatesAxis_0F135C9249579AE19AF54FE1E51CA570" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PensionBenefitRatesAxis_0F135C9249579AE19AF54FE1E51CA570" xlink:to="lab_tve_PensionBenefitRatesAxis_0F135C9249579AE19AF54FE1E51CA570" xlink:type="arc" />
    <link:label id="lab_tve_PensionBenefitRatesDomain_AFF78B475E6E18B0E4AC4FE1E51C79E4_terseLabel_en-US" xlink:label="lab_tve_PensionBenefitRatesDomain_AFF78B475E6E18B0E4AC4FE1E51C79E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension Benefit Rates</link:label>
    <link:label id="lab_tve_PensionBenefitRatesDomain_AFF78B475E6E18B0E4AC4FE1E51C79E4_label_en-US" xlink:label="lab_tve_PensionBenefitRatesDomain_AFF78B475E6E18B0E4AC4FE1E51C79E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Benefit Rates [Domain]</link:label>
    <link:label id="lab_tve_PensionBenefitRatesDomain_AFF78B475E6E18B0E4AC4FE1E51C79E4_documentation_en-US" xlink:label="lab_tve_PensionBenefitRatesDomain_AFF78B475E6E18B0E4AC4FE1E51C79E4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The types of rates used in measuring the pension net periodic benefit cost and projected benefit obligation.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PensionBenefitRatesDomain" xlink:label="loc_tve_PensionBenefitRatesDomain_AFF78B475E6E18B0E4AC4FE1E51C79E4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PensionBenefitRatesDomain_AFF78B475E6E18B0E4AC4FE1E51C79E4" xlink:to="lab_tve_PensionBenefitRatesDomain_AFF78B475E6E18B0E4AC4FE1E51C79E4" xlink:type="arc" />
    <link:label id="lab_tve_PensionPlanDiscountRateMember_38F2AEC984803504A4FC4FE1E51CA625_terseLabel_en-US" xlink:label="lab_tve_PensionPlanDiscountRateMember_38F2AEC984803504A4FC4FE1E51CA625" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount rate</link:label>
    <link:label id="lab_tve_PensionPlanDiscountRateMember_38F2AEC984803504A4FC4FE1E51CA625_label_en-US" xlink:label="lab_tve_PensionPlanDiscountRateMember_38F2AEC984803504A4FC4FE1E51CA625" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Plan, Discount Rate [Member]</link:label>
    <link:label id="lab_tve_PensionPlanDiscountRateMember_38F2AEC984803504A4FC4FE1E51CA625_documentation_en-US" xlink:label="lab_tve_PensionPlanDiscountRateMember_38F2AEC984803504A4FC4FE1E51CA625" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The interest rate used to adjust for the time value of money for the pension plan net periodic benefit cost and projected benefit obligation.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PensionPlanDiscountRateMember" xlink:label="loc_tve_PensionPlanDiscountRateMember_38F2AEC984803504A4FC4FE1E51CA625" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PensionPlanDiscountRateMember_38F2AEC984803504A4FC4FE1E51CA625" xlink:to="lab_tve_PensionPlanDiscountRateMember_38F2AEC984803504A4FC4FE1E51CA625" xlink:type="arc" />
    <link:label id="lab_tve_PensionBenefitExpectedRateOfReturnOnPlanAssetsMember_552DDA4ABB7E204686B44FE1E51C7605_terseLabel_en-US" xlink:label="lab_tve_PensionBenefitExpectedRateOfReturnOnPlanAssetsMember_552DDA4ABB7E204686B44FE1E51C7605" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate of return on plan assets</link:label>
    <link:label id="lab_tve_PensionBenefitExpectedRateOfReturnOnPlanAssetsMember_552DDA4ABB7E204686B44FE1E51C7605_label_en-US" xlink:label="lab_tve_PensionBenefitExpectedRateOfReturnOnPlanAssetsMember_552DDA4ABB7E204686B44FE1E51C7605" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Benefit Expected Rate of Return on Plan Assets [Member]</link:label>
    <link:label id="lab_tve_PensionBenefitExpectedRateOfReturnOnPlanAssetsMember_552DDA4ABB7E204686B44FE1E51C7605_documentation_en-US" xlink:label="lab_tve_PensionBenefitExpectedRateOfReturnOnPlanAssetsMember_552DDA4ABB7E204686B44FE1E51C7605" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The expected rate of return on plan assets that are invested to provide for the pension benefits included in the net perodic benefit cost.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PensionBenefitExpectedRateOfReturnOnPlanAssetsMember" xlink:label="loc_tve_PensionBenefitExpectedRateOfReturnOnPlanAssetsMember_552DDA4ABB7E204686B44FE1E51C7605" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PensionBenefitExpectedRateOfReturnOnPlanAssetsMember_552DDA4ABB7E204686B44FE1E51C7605" xlink:to="lab_tve_PensionBenefitExpectedRateOfReturnOnPlanAssetsMember_552DDA4ABB7E204686B44FE1E51C7605" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanDisclosureLineItems_359D02EC3A18E2BFA3964FE1E51C4BE7_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanDisclosureLineItems_359D02EC3A18E2BFA3964FE1E51C4BE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Disclosure</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanDisclosureLineItems_359D02EC3A18E2BFA3964FE1E51C4BE7_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanDisclosureLineItems_359D02EC3A18E2BFA3964FE1E51C4BE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Disclosure [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_359D02EC3A18E2BFA3964FE1E51C4BE7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_359D02EC3A18E2BFA3964FE1E51C4BE7" xlink:to="lab_us-gaap_DefinedBenefitPlanDisclosureLineItems_359D02EC3A18E2BFA3964FE1E51C4BE7" xlink:type="arc" />
    <link:label id="lab_tve_ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption_C222C1844CDD24CE650D4FE1E51CAF7F_terseLabel_en-US" xlink:label="lab_tve_ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption_C222C1844CDD24CE650D4FE1E51CAF7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in Assumption</link:label>
    <link:label id="lab_tve_ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption_C222C1844CDD24CE650D4FE1E51CAF7F_label_en-US" xlink:label="lab_tve_ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption_C222C1844CDD24CE650D4FE1E51CAF7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change in Discount Rate or Rate of Return on Plan Assets Assumption</link:label>
    <link:label id="lab_tve_ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption_C222C1844CDD24CE650D4FE1E51CAF7F_documentation_en-US" xlink:label="lab_tve_ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption_C222C1844CDD24CE650D4FE1E51CAF7F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The change in the discount date or the rate of return on plan assets assumption that is used in disclosure of sensitivity of the net periodic pension cost and the projected benefit obligation to changes in those rates.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption" xlink:label="loc_tve_ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption_C222C1844CDD24CE650D4FE1E51CAF7F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption_C222C1844CDD24CE650D4FE1E51CAF7F" xlink:to="lab_tve_ChangeInDiscountRateOrRateOfReturnOnPlanAssetsAssumption_C222C1844CDD24CE650D4FE1E51CAF7F" xlink:type="arc" />
    <link:label id="lab_tve_PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost_0F2DE41299456EEB09BB4FE1E51C3E53_terseLabel_en-US" xlink:label="lab_tve_PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost_0F2DE41299456EEB09BB4FE1E51C3E53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impact on Pension Cost</link:label>
    <link:label id="lab_tve_PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost_0F2DE41299456EEB09BB4FE1E51C3E53_label_en-US" xlink:label="lab_tve_PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost_0F2DE41299456EEB09BB4FE1E51C3E53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Benefit Plan, Effect of Change in Rate on Net Periodic Benefit Cost</link:label>
    <link:label id="lab_tve_PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost_0F2DE41299456EEB09BB4FE1E51C3E53_documentation_en-US" xlink:label="lab_tve_PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost_0F2DE41299456EEB09BB4FE1E51C3E53" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of effect of change in rate on the net periodic benefit cost for pension benefits.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost" xlink:label="loc_tve_PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost_0F2DE41299456EEB09BB4FE1E51C3E53" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost_0F2DE41299456EEB09BB4FE1E51C3E53" xlink:to="lab_tve_PensionBenefitPlanEffectOfChangeInRateOnNetPeriodicBenefitCost_0F2DE41299456EEB09BB4FE1E51C3E53" xlink:type="arc" />
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    <link:label id="lab_us-gaap_AssetRetirementObligationPeriodIncreaseDecrease_2DF1A266DA3CB460FBD83357F3917327_terseLabel_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationPeriodIncreaseDecrease_2DF1A266DA3CB460FBD83357F3917327" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in ARO liability</link:label>
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    <link:label id="lab_tve_NuclearLiabilityInsurance_EFE5D1AC2986539441BC5D3FCD61DE2F_terseLabel_en-US" xlink:label="lab_tve_NuclearLiabilityInsurance_EFE5D1AC2986539441BC5D3FCD61DE2F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nuclear liability insurance</link:label>
    <link:label id="lab_tve_NuclearLiabilityInsurance_EFE5D1AC2986539441BC5D3FCD61DE2F_label_en-US" xlink:label="lab_tve_NuclearLiabilityInsurance_EFE5D1AC2986539441BC5D3FCD61DE2F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nuclear liability insurance</link:label>
    <link:label id="lab_tve_NuclearLiabilityInsurance_EFE5D1AC2986539441BC5D3FCD61DE2F_documentation_en-US" xlink:label="lab_tve_NuclearLiabilityInsurance_EFE5D1AC2986539441BC5D3FCD61DE2F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For the first layer of protection all NRC nuclear plant licensees purchase nuclear insurance from American Nuclear Insurers for each nuclear plant with an operating license.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NuclearLiabilityInsurance" xlink:label="loc_tve_NuclearLiabilityInsurance_EFE5D1AC2986539441BC5D3FCD61DE2F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NuclearLiabilityInsurance_EFE5D1AC2986539441BC5D3FCD61DE2F" xlink:to="lab_tve_NuclearLiabilityInsurance_EFE5D1AC2986539441BC5D3FCD61DE2F" xlink:type="arc" />
    <link:label id="lab_tve_AssessmentFromLicenseesForEachLicensedReactor_38749AD94D0F98F2501B5D3FCD61E514_terseLabel_en-US" xlink:label="lab_tve_AssessmentFromLicenseesForEachLicensedReactor_38749AD94D0F98F2501B5D3FCD61E514" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assessment from licensees for each licensed reactor</link:label>
    <link:label id="lab_tve_AssessmentFromLicenseesForEachLicensedReactor_38749AD94D0F98F2501B5D3FCD61E514_label_en-US" xlink:label="lab_tve_AssessmentFromLicenseesForEachLicensedReactor_38749AD94D0F98F2501B5D3FCD61E514" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assessment from licensees for each licensed reactor</link:label>
    <link:label id="lab_tve_AssessmentFromLicenseesForEachLicensedReactor_38749AD94D0F98F2501B5D3FCD61E514_documentation_en-US" xlink:label="lab_tve_AssessmentFromLicenseesForEachLicensedReactor_38749AD94D0F98F2501B5D3FCD61E514" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">An assessment from licensees for each licensed nuclear reactor in the United States to fund the second layer, the Secondary Financial Program.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AssessmentFromLicenseesForEachLicensedReactor" xlink:label="loc_tve_AssessmentFromLicenseesForEachLicensedReactor_38749AD94D0F98F2501B5D3FCD61E514" xlink:type="locator" />
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    <link:label id="lab_tve_NumberoflicensedreactorsinUS_24080112B397BF10BF005D40B1A6ABB7_terseLabel_en-US" xlink:label="lab_tve_NumberoflicensedreactorsinUS_24080112B397BF10BF005D40B1A6ABB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of licensed reactors in US</link:label>
    <link:label id="lab_tve_NumberoflicensedreactorsinUS_24080112B397BF10BF005D40B1A6ABB7_label_en-US" xlink:label="lab_tve_NumberoflicensedreactorsinUS_24080112B397BF10BF005D40B1A6ABB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of licensed reactors in US</link:label>
    <link:label id="lab_tve_NumberoflicensedreactorsinUS_24080112B397BF10BF005D40B1A6ABB7_documentation_en-US" xlink:label="lab_tve_NumberoflicensedreactorsinUS_24080112B397BF10BF005D40B1A6ABB7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of licensed reactors in US.</link:label>
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    <link:label id="lab_tve_NuclearAccidentAssessmentLimitationPerYearPerUnit_C32D9229A82AB9150EEF5D3FCD617465_terseLabel_en-US" xlink:label="lab_tve_NuclearAccidentAssessmentLimitationPerYearPerUnit_C32D9229A82AB9150EEF5D3FCD617465" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nuclear accident assessment limitation per year per unit</link:label>
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    <link:label id="lab_tve_NuclearAccidentAssessmentLimitationPerYearPerUnit_C32D9229A82AB9150EEF5D3FCD617465_documentation_en-US" xlink:label="lab_tve_NuclearAccidentAssessmentLimitationPerYearPerUnit_C32D9229A82AB9150EEF5D3FCD617465" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The per year per unit limitation of the assessment for any nuclear accident</link:label>
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    <link:label id="lab_tve_NumberOfLicensedNuclearUnits_5800A748629F6F9EBBF65D3FCD61C7BD_terseLabel_en-US" xlink:label="lab_tve_NumberOfLicensedNuclearUnits_5800A748629F6F9EBBF65D3FCD61C7BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of licensed nuclear units</link:label>
    <link:label id="lab_tve_NumberOfLicensedNuclearUnits_5800A748629F6F9EBBF65D3FCD61C7BD_label_en-US" xlink:label="lab_tve_NumberOfLicensedNuclearUnits_5800A748629F6F9EBBF65D3FCD61C7BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of licensed nuclear units</link:label>
    <link:label id="lab_tve_NumberOfLicensedNuclearUnits_5800A748629F6F9EBBF65D3FCD61C7BD_documentation_en-US" xlink:label="lab_tve_NumberOfLicensedNuclearUnits_5800A748629F6F9EBBF65D3FCD61C7BD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of licensed nuclear units owned.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfLicensedNuclearUnits" xlink:label="loc_tve_NumberOfLicensedNuclearUnits_5800A748629F6F9EBBF65D3FCD61C7BD" xlink:type="locator" />
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    <link:label id="lab_tve_MaximumAssessmentPerNuclearIncident_DDD7136944FBC31643145D3FCD61E3B2_terseLabel_en-US" xlink:label="lab_tve_MaximumAssessmentPerNuclearIncident_DDD7136944FBC31643145D3FCD61E3B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum assessment per nuclear incident</link:label>
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    <link:loc xlink:href="tve-20130930.xsd#tve_MaximumAssessmentPerNuclearIncident" xlink:label="loc_tve_MaximumAssessmentPerNuclearIncident_DDD7136944FBC31643145D3FCD61E3B2" xlink:type="locator" />
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    <link:label id="lab_tve_MaximumPaymentRequiredPerAccidentInAnyOneYear_57CDAD49415AC39D50025D3FCD618274_terseLabel_en-US" xlink:label="lab_tve_MaximumPaymentRequiredPerAccidentInAnyOneYear_57CDAD49415AC39D50025D3FCD618274" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum payment required per accident in any one year</link:label>
    <link:label id="lab_tve_MaximumPaymentRequiredPerAccidentInAnyOneYear_57CDAD49415AC39D50025D3FCD618274_label_en-US" xlink:label="lab_tve_MaximumPaymentRequiredPerAccidentInAnyOneYear_57CDAD49415AC39D50025D3FCD618274" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum payment required per accident in any one year</link:label>
    <link:label id="lab_tve_MaximumPaymentRequiredPerAccidentInAnyOneYear_57CDAD49415AC39D50025D3FCD618274_documentation_en-US" xlink:label="lab_tve_MaximumPaymentRequiredPerAccidentInAnyOneYear_57CDAD49415AC39D50025D3FCD618274" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum payment that would be required per accident in any one year.</link:label>
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    <link:label id="lab_tve_TotalAmountOfProtectionAvailable_979D0CCED87D576AA8645D3FCD617535_terseLabel_en-US" xlink:label="lab_tve_TotalAmountOfProtectionAvailable_979D0CCED87D576AA8645D3FCD617535" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total amount of protection available</link:label>
    <link:label id="lab_tve_TotalAmountOfProtectionAvailable_979D0CCED87D576AA8645D3FCD617535_label_en-US" xlink:label="lab_tve_TotalAmountOfProtectionAvailable_979D0CCED87D576AA8645D3FCD617535" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total amount of protection available</link:label>
    <link:label id="lab_tve_TotalAmountOfProtectionAvailable_979D0CCED87D576AA8645D3FCD617535_documentation_en-US" xlink:label="lab_tve_TotalAmountOfProtectionAvailable_979D0CCED87D576AA8645D3FCD617535" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total amount of protection available to compensate for losses arising from a nuclear event in the United States.</link:label>
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    <link:label id="lab_tve_SurchargeForLegalExpenses_DB4CA7539A4A5150FC1D5D3FCD6101BF_terseLabel_en-US" xlink:label="lab_tve_SurchargeForLegalExpenses_DB4CA7539A4A5150FC1D5D3FCD6101BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Surcharge for legal expenses</link:label>
    <link:label id="lab_tve_SurchargeForLegalExpenses_DB4CA7539A4A5150FC1D5D3FCD6101BF_label_en-US" xlink:label="lab_tve_SurchargeForLegalExpenses_DB4CA7539A4A5150FC1D5D3FCD6101BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Surcharge for legal expenses</link:label>
    <link:label id="lab_tve_SurchargeForLegalExpenses_DB4CA7539A4A5150FC1D5D3FCD6101BF_documentation_en-US" xlink:label="lab_tve_SurchargeForLegalExpenses_DB4CA7539A4A5150FC1D5D3FCD6101BF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The surcharge for legal expenses.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_SurchargeForLegalExpenses" xlink:label="loc_tve_SurchargeForLegalExpenses_DB4CA7539A4A5150FC1D5D3FCD6101BF" xlink:type="locator" />
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    <link:label id="lab_tve_USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted_15F605158EB9971CE8B95D3FCD61FDF4_terseLabel_en-US" xlink:label="lab_tve_USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted_15F605158EB9971CE8B95D3FCD61FDF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The U.S. Congress is required to take action if these layes are exhausted</link:label>
    <link:label id="lab_tve_USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted_15F605158EB9971CE8B95D3FCD61FDF4_label_en-US" xlink:label="lab_tve_USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted_15F605158EB9971CE8B95D3FCD61FDF4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The U.S. Congress is required to take action if these layes are exhausted</link:label>
    <link:label id="lab_tve_USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted_15F605158EB9971CE8B95D3FCD61FDF4_documentation_en-US" xlink:label="lab_tve_USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted_15F605158EB9971CE8B95D3FCD61FDF4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The U.S. Congress is required to take action to provide additional funds to cover the additional losses if these layes are exhausted.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted" xlink:label="loc_tve_USCongressIsRequiredToTakeActionIfTheseLayesAreExhausted_15F605158EB9971CE8B95D3FCD61FDF4" xlink:type="locator" />
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    <link:label id="lab_tve_AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried_A067E45E676E93870BDE5D3FCD611426_terseLabel_en-US" xlink:label="lab_tve_AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried_A067E45E676E93870BDE5D3FCD611426" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of property, decommissioning, and decontamination insurance carried</link:label>
    <link:label id="lab_tve_AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried_A067E45E676E93870BDE5D3FCD611426_label_en-US" xlink:label="lab_tve_AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried_A067E45E676E93870BDE5D3FCD611426" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount of property, decommissioning, and decontamination insurance carried</link:label>
    <link:label id="lab_tve_AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried_A067E45E676E93870BDE5D3FCD611426_documentation_en-US" xlink:label="lab_tve_AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried_A067E45E676E93870BDE5D3FCD611426" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of property, decommissioning, and decontamination insurance carried for nuclear plants owned to cover the cost of stabilizing or shutting down a reactor after an accident.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried" xlink:label="loc_tve_AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried_A067E45E676E93870BDE5D3FCD611426" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried_A067E45E676E93870BDE5D3FCD611426" xlink:to="lab_tve_AmountOfPropertyDecommissioningAndDecontaminationInsuranceCarried_A067E45E676E93870BDE5D3FCD611426" xlink:type="arc" />
    <link:label id="lab_tve_AmountOfInsuranceAvailableForLossAtAnyOneSite_11EBFCA69CC202825AA45D3FCD615115_terseLabel_en-US" xlink:label="lab_tve_AmountOfInsuranceAvailableForLossAtAnyOneSite_11EBFCA69CC202825AA45D3FCD615115" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of insurance available for loss at any one site</link:label>
    <link:label id="lab_tve_AmountOfInsuranceAvailableForLossAtAnyOneSite_11EBFCA69CC202825AA45D3FCD615115_label_en-US" xlink:label="lab_tve_AmountOfInsuranceAvailableForLossAtAnyOneSite_11EBFCA69CC202825AA45D3FCD615115" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount of insurance available for loss at any one site</link:label>
    <link:label id="lab_tve_AmountOfInsuranceAvailableForLossAtAnyOneSite_11EBFCA69CC202825AA45D3FCD615115_documentation_en-US" xlink:label="lab_tve_AmountOfInsuranceAvailableForLossAtAnyOneSite_11EBFCA69CC202825AA45D3FCD615115" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of property, decommissioning, and decontamination insurance available for loss at any one site to cover the cost of stabilizing or shutting down a reactor after an accident.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AmountOfInsuranceAvailableForLossAtAnyOneSite" xlink:label="loc_tve_AmountOfInsuranceAvailableForLossAtAnyOneSite_11EBFCA69CC202825AA45D3FCD615115" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_AmountOfInsuranceAvailableForLossAtAnyOneSite_11EBFCA69CC202825AA45D3FCD615115" xlink:to="lab_tve_AmountOfInsuranceAvailableForLossAtAnyOneSite_11EBFCA69CC202825AA45D3FCD615115" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfSites_BEE348F67CE1FE429E505D3FCD615C7F_terseLabel_en-US" xlink:label="lab_tve_NumberOfSites_BEE348F67CE1FE429E505D3FCD615C7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of sites</link:label>
    <link:label id="lab_tve_NumberOfSites_BEE348F67CE1FE429E505D3FCD615C7F_label_en-US" xlink:label="lab_tve_NumberOfSites_BEE348F67CE1FE429E505D3FCD615C7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of sites</link:label>
    <link:label id="lab_tve_NumberOfSites_BEE348F67CE1FE429E505D3FCD615C7F_documentation_en-US" xlink:label="lab_tve_NumberOfSites_BEE348F67CE1FE429E505D3FCD615C7F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of sites</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfSites" xlink:label="loc_tve_NumberOfSites_BEE348F67CE1FE429E505D3FCD615C7F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfSites_BEE348F67CE1FE429E505D3FCD615C7F" xlink:to="lab_tve_NumberOfSites_BEE348F67CE1FE429E505D3FCD615C7F" xlink:type="arc" />
    <link:label id="lab_tve_MaximumAmountOfRetrospecitvePremiums_6951818C396E9B8523935D3FCD614545_terseLabel_en-US" xlink:label="lab_tve_MaximumAmountOfRetrospecitvePremiums_6951818C396E9B8523935D3FCD614545" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum amount of retrospecitve premiums</link:label>
    <link:label id="lab_tve_MaximumAmountOfRetrospecitvePremiums_6951818C396E9B8523935D3FCD614545_label_en-US" xlink:label="lab_tve_MaximumAmountOfRetrospecitvePremiums_6951818C396E9B8523935D3FCD614545" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum amount of retrospecitve premiums</link:label>
    <link:label id="lab_tve_MaximumAmountOfRetrospecitvePremiums_6951818C396E9B8523935D3FCD614545_documentation_en-US" xlink:label="lab_tve_MaximumAmountOfRetrospecitvePremiums_6951818C396E9B8523935D3FCD614545" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum amount of retrospecitve premiums that may be required for property, decommissioning, and decontamination insurance.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_MaximumAmountOfRetrospecitvePremiums" xlink:label="loc_tve_MaximumAmountOfRetrospecitvePremiums_6951818C396E9B8523935D3FCD614545" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_MaximumAmountOfRetrospecitvePremiums_6951818C396E9B8523935D3FCD614545" xlink:to="lab_tve_MaximumAmountOfRetrospecitvePremiums_6951818C396E9B8523935D3FCD614545" xlink:type="arc" />
    <link:label id="lab_tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline_6D5076B2BDE4A5CE03A05D3FCD618A1C_terseLabel_en-US" xlink:label="lab_tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline_6D5076B2BDE4A5CE03A05D3FCD618A1C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum idemnity if a covered accident tasks or keeps a nuclear unit offline</link:label>
    <link:label id="lab_tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline_6D5076B2BDE4A5CE03A05D3FCD618A1C_label_en-US" xlink:label="lab_tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline_6D5076B2BDE4A5CE03A05D3FCD618A1C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum idemnity if a covered accident tasks or keeps a nuclear unit offline</link:label>
    <link:label id="lab_tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline_6D5076B2BDE4A5CE03A05D3FCD618A1C_documentation_en-US" xlink:label="lab_tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline_6D5076B2BDE4A5CE03A05D3FCD618A1C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum idemnity per unit if an accident covered by the policy tasks or keeps a nuclear unit offline.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline" xlink:label="loc_tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline_6D5076B2BDE4A5CE03A05D3FCD618A1C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline_6D5076B2BDE4A5CE03A05D3FCD618A1C" xlink:to="lab_tve_MaximumIdemnityIfCoveredAccidentTasksOrKeepsNuclearUnitOffline_6D5076B2BDE4A5CE03A05D3FCD618A1C" xlink:type="arc" />
    <link:label id="lab_tve_RetrospectivePremiums_C310A9E9CB560847DCA05D3FCD617F8E_terseLabel_en-US" xlink:label="lab_tve_RetrospectivePremiums_C310A9E9CB560847DCA05D3FCD617F8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum amount of retrospective premiums</link:label>
    <link:label id="lab_tve_RetrospectivePremiums_C310A9E9CB560847DCA05D3FCD617F8E_label_en-US" xlink:label="lab_tve_RetrospectivePremiums_C310A9E9CB560847DCA05D3FCD617F8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retrospective premiums</link:label>
    <link:label id="lab_tve_RetrospectivePremiums_C310A9E9CB560847DCA05D3FCD617F8E_documentation_en-US" xlink:label="lab_tve_RetrospectivePremiums_C310A9E9CB560847DCA05D3FCD617F8E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum amount of retrospective premiums that could be required for accidental outage insurance.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_RetrospectivePremiums" xlink:label="loc_tve_RetrospectivePremiums_C310A9E9CB560847DCA05D3FCD617F8E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_RetrospectivePremiums_C310A9E9CB560847DCA05D3FCD617F8E" xlink:to="lab_tve_RetrospectivePremiums_C310A9E9CB560847DCA05D3FCD617F8E" xlink:type="arc" />
    <link:label id="lab_us-gaap_DecommissioningLiabilityNoncurrent_C2A05E6392E13874E4BD5D3FCD61A4E2_terseLabel_en-US" xlink:label="lab_us-gaap_DecommissioningLiabilityNoncurrent_C2A05E6392E13874E4BD5D3FCD61A4E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Future estimated decommissioning cost</link:label>
    <link:label id="lab_us-gaap_DecommissioningLiabilityNoncurrent_C2A05E6392E13874E4BD5D3FCD61A4E2_label_en-US" xlink:label="lab_us-gaap_DecommissioningLiabilityNoncurrent_C2A05E6392E13874E4BD5D3FCD61A4E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decommissioning Liability, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DecommissioningLiabilityNoncurrent" xlink:label="loc_us-gaap_DecommissioningLiabilityNoncurrent_C2A05E6392E13874E4BD5D3FCD61A4E2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DecommissioningLiabilityNoncurrent_C2A05E6392E13874E4BD5D3FCD61A4E2" xlink:to="lab_us-gaap_DecommissioningLiabilityNoncurrent_C2A05E6392E13874E4BD5D3FCD61A4E2" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning_F8BBF92D4154E0B4DADA5D3FCD61B85E_terseLabel_en-US" xlink:label="lab_tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning_F8BBF92D4154E0B4DADA5D3FCD61B85E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of procedures for determining estimates for the costs of nuclear decommissioning</link:label>
    <link:label id="lab_tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning_F8BBF92D4154E0B4DADA5D3FCD61B85E_label_en-US" xlink:label="lab_tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning_F8BBF92D4154E0B4DADA5D3FCD61B85E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of procedures for determining estimates for the costs of nuclear decommissioning</link:label>
    <link:label id="lab_tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning_F8BBF92D4154E0B4DADA5D3FCD61B85E_documentation_en-US" xlink:label="lab_tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning_F8BBF92D4154E0B4DADA5D3FCD61B85E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of procedures for determining estimates for the costs of nuclear decommissioning</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning" xlink:label="loc_tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning_F8BBF92D4154E0B4DADA5D3FCD61B85E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning_F8BBF92D4154E0B4DADA5D3FCD61B85E" xlink:to="lab_tve_NumberOfProceduresForDeterminingEstimatesForCostsOfNuclearDecommissioning_F8BBF92D4154E0B4DADA5D3FCD61B85E" xlink:type="arc" />
    <link:label id="lab_tve_AmountSpentToReduceEmissionsSince1977_45937229D5760579D3085D3FCD615AFD_terseLabel_en-US" xlink:label="lab_tve_AmountSpentToReduceEmissionsSince1977_45937229D5760579D3085D3FCD615AFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount spent to reduce emissions since 1977</link:label>
    <link:label id="lab_tve_AmountSpentToReduceEmissionsSince1977_45937229D5760579D3085D3FCD615AFD_label_en-US" xlink:label="lab_tve_AmountSpentToReduceEmissionsSince1977_45937229D5760579D3085D3FCD615AFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount spent to reduce emissions since 1977</link:label>
    <link:label id="lab_tve_AmountSpentToReduceEmissionsSince1977_45937229D5760579D3085D3FCD615AFD_documentation_en-US" xlink:label="lab_tve_AmountSpentToReduceEmissionsSince1977_45937229D5760579D3085D3FCD615AFD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount spent since 1977 to reduce emissions at power plants.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AmountSpentToReduceEmissionsSince1977" xlink:label="loc_tve_AmountSpentToReduceEmissionsSince1977_45937229D5760579D3085D3FCD615AFD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_AmountSpentToReduceEmissionsSince1977_45937229D5760579D3085D3FCD615AFD" xlink:to="lab_tve_AmountSpentToReduceEmissionsSince1977_45937229D5760579D3085D3FCD615AFD" xlink:type="arc" />
    <link:label id="lab_tve_AmountSpentToReduceEmissions_8CF8F4367F4B5876B7E25D3FCD61DE42_terseLabel_en-US" xlink:label="lab_tve_AmountSpentToReduceEmissions_8CF8F4367F4B5876B7E25D3FCD61DE42" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount spent to reduce emissions</link:label>
    <link:label id="lab_tve_AmountSpentToReduceEmissions_8CF8F4367F4B5876B7E25D3FCD61DE42_label_en-US" xlink:label="lab_tve_AmountSpentToReduceEmissions_8CF8F4367F4B5876B7E25D3FCD61DE42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount spent to reduce emissions</link:label>
    <link:label id="lab_tve_AmountSpentToReduceEmissions_8CF8F4367F4B5876B7E25D3FCD61DE42_documentation_en-US" xlink:label="lab_tve_AmountSpentToReduceEmissions_8CF8F4367F4B5876B7E25D3FCD61DE42" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount spent to reduce emissions at power plants.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AmountSpentToReduceEmissions" xlink:label="loc_tve_AmountSpentToReduceEmissions_8CF8F4367F4B5876B7E25D3FCD61DE42" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_AmountSpentToReduceEmissions_8CF8F4367F4B5876B7E25D3FCD61DE42" xlink:to="lab_tve_AmountSpentToReduceEmissions_8CF8F4367F4B5876B7E25D3FCD61DE42" xlink:type="arc" />
    <link:label id="lab_tve_PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements_313BD0C4915584DB11825D3FCD618747_terseLabel_en-US" xlink:label="lab_tve_PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements_313BD0C4915584DB11825D3FCD618747" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Possible additional future costs for compliance with Clean Air Act requirements</link:label>
    <link:label id="lab_tve_PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements_313BD0C4915584DB11825D3FCD618747_label_en-US" xlink:label="lab_tve_PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements_313BD0C4915584DB11825D3FCD618747" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Possible additional future costs for compliance with Clean Air Act requirements</link:label>
    <link:label id="lab_tve_PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements_313BD0C4915584DB11825D3FCD618747_documentation_en-US" xlink:label="lab_tve_PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements_313BD0C4915584DB11825D3FCD618747" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The possible additional future costs for compliance with Clean Air Act requirements.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements" xlink:label="loc_tve_PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements_313BD0C4915584DB11825D3FCD618747" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements_313BD0C4915584DB11825D3FCD618747" xlink:to="lab_tve_PossibleAdditionalFutureCostsForComplianceWithCleanAirActRequirements_313BD0C4915584DB11825D3FCD618747" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingenciesGross_F0B78ED7149F18786EAD5D3FCD61A7A5_terseLabel_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingenciesGross_F0B78ED7149F18786EAD5D3FCD61A7A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated liability for cleanup and similar environmental work on a non-discounted basis</link:label>
    <link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingenciesGross_F0B78ED7149F18786EAD5D3FCD61A7A5_label_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingenciesGross_F0B78ED7149F18786EAD5D3FCD61A7A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesGross" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesGross_F0B78ED7149F18786EAD5D3FCD61A7A5" xlink:type="locator" />
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    <link:label id="lab_tve_PeriodDuringWhichActualCompanyCompensationExperienceStudyPerformed_7CC4FA8134B059879C6E58C8ACF1827F_terseLabel_en-US" xlink:label="lab_tve_PeriodDuringWhichActualCompanyCompensationExperienceStudyPerformed_7CC4FA8134B059879C6E58C8ACF1827F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period during which actual company compensation experience study performed</link:label>
    <link:label id="lab_tve_PeriodDuringWhichActualCompanyCompensationExperienceStudyPerformed_7CC4FA8134B059879C6E58C8ACF1827F_label_en-US" xlink:label="lab_tve_PeriodDuringWhichActualCompanyCompensationExperienceStudyPerformed_7CC4FA8134B059879C6E58C8ACF1827F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Period During Which Actual Company Compensation Experience Study Performed</link:label>
    <link:label id="lab_tve_PeriodDuringWhichActualCompanyCompensationExperienceStudyPerformed_7CC4FA8134B059879C6E58C8ACF1827F_documentation_en-US" xlink:label="lab_tve_PeriodDuringWhichActualCompanyCompensationExperienceStudyPerformed_7CC4FA8134B059879C6E58C8ACF1827F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The period in which an actual compensation experience study is performed at TVA to determine assumptions related to compensation increases for defined benefit plans.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PeriodDuringWhichActualCompanyCompensationExperienceStudyPerformed" xlink:label="loc_tve_PeriodDuringWhichActualCompanyCompensationExperienceStudyPerformed_7CC4FA8134B059879C6E58C8ACF1827F" xlink:type="locator" />
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    <link:label id="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange_C817948D90341E78D3E958C8ACF161EA_terseLabel_en-US" xlink:label="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange_C817948D90341E78D3E958C8ACF161EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate of compensation increase-low end of range</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange_C817948D90341E78D3E958C8ACF161EA_label_en-US" xlink:label="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange_C817948D90341E78D3E958C8ACF161EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase-Low End of Range</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange_C817948D90341E78D3E958C8ACF161EA_documentation_en-US" xlink:label="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange_C817948D90341E78D3E958C8ACF161EA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The low end of the range for compensation increases for defined benefit plans as determined by company compensation experience study.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange" xlink:label="loc_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange_C817948D90341E78D3E958C8ACF161EA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange_C817948D90341E78D3E958C8ACF161EA" xlink:to="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseLowEndOfRange_C817948D90341E78D3E958C8ACF161EA" xlink:type="arc" />
    <link:label id="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseHighEndOfRange_8A49734E33F88387769658C8ACF1E079_terseLabel_en-US" xlink:label="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseHighEndOfRange_8A49734E33F88387769658C8ACF1E079" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate of compensation increase-high end of range</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseHighEndOfRange_8A49734E33F88387769658C8ACF1E079_label_en-US" xlink:label="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseHighEndOfRange_8A49734E33F88387769658C8ACF1E079" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase-High End of Range</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseHighEndOfRange_8A49734E33F88387769658C8ACF1E079_documentation_en-US" xlink:label="lab_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseHighEndOfRange_8A49734E33F88387769658C8ACF1E079" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The high end of the range for compensation increases for defined benefit plans as determined by company compensation experience study.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseHighEndOfRange" xlink:label="loc_tve_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncreaseHighEndOfRange_8A49734E33F88387769658C8ACF1E079" xlink:type="locator" />
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    <link:label id="lab_tve_MinimumpercentageincreaseintwelvemonthaverageCPIUnecessarytoreceiveCOLA_F41C3D18F982669543FA58C8ACF11445_terseLabel_en-US" xlink:label="lab_tve_MinimumpercentageincreaseintwelvemonthaverageCPIUnecessarytoreceiveCOLA_F41C3D18F982669543FA58C8ACF11445" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum percentage increase in twelve-month average CPI-U necessary to receive COLA</link:label>
    <link:label id="lab_tve_MinimumpercentageincreaseintwelvemonthaverageCPIUnecessarytoreceiveCOLA_F41C3D18F982669543FA58C8ACF11445_label_en-US" xlink:label="lab_tve_MinimumpercentageincreaseintwelvemonthaverageCPIUnecessarytoreceiveCOLA_F41C3D18F982669543FA58C8ACF11445" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum percentage increase in twelve-month average CPI-U necessary to receive COLA</link:label>
    <link:label id="lab_tve_MinimumpercentageincreaseintwelvemonthaverageCPIUnecessarytoreceiveCOLA_F41C3D18F982669543FA58C8ACF11445_documentation_en-US" xlink:label="lab_tve_MinimumpercentageincreaseintwelvemonthaverageCPIUnecessarytoreceiveCOLA_F41C3D18F982669543FA58C8ACF11445" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum percentage increase in twelve-month average CPI-U necessary to receive COLA.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_MinimumpercentageincreaseintwelvemonthaverageCPIUnecessarytoreceiveCOLA" xlink:label="loc_tve_MinimumpercentageincreaseintwelvemonthaverageCPIUnecessarytoreceiveCOLA_F41C3D18F982669543FA58C8ACF11445" xlink:type="locator" />
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    <link:label id="lab_tve_NumberOfYearsDuringWhichCostOfLivingAdjustmentChanged_1A884146FE6F4FC3DDFE58C8ACF17A6B_terseLabel_en-US" xlink:label="lab_tve_NumberOfYearsDuringWhichCostOfLivingAdjustmentChanged_1A884146FE6F4FC3DDFE58C8ACF17A6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of years during which cost of living adjustment changed</link:label>
    <link:label id="lab_tve_NumberOfYearsDuringWhichCostOfLivingAdjustmentChanged_1A884146FE6F4FC3DDFE58C8ACF17A6B_label_en-US" xlink:label="lab_tve_NumberOfYearsDuringWhichCostOfLivingAdjustmentChanged_1A884146FE6F4FC3DDFE58C8ACF17A6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of years during which cost of living adjustment changed</link:label>
    <link:label id="lab_tve_NumberOfYearsDuringWhichCostOfLivingAdjustmentChanged_1A884146FE6F4FC3DDFE58C8ACF17A6B_documentation_en-US" xlink:label="lab_tve_NumberOfYearsDuringWhichCostOfLivingAdjustmentChanged_1A884146FE6F4FC3DDFE58C8ACF17A6B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of years during which cost of living adjustment changed.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfYearsDuringWhichCostOfLivingAdjustmentChanged" xlink:label="loc_tve_NumberOfYearsDuringWhichCostOfLivingAdjustmentChanged_1A884146FE6F4FC3DDFE58C8ACF17A6B" xlink:type="locator" />
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    <link:label id="lab_tve_RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010_8AD9FFE38CBF3B55242158C8ACF10D58_terseLabel_en-US" xlink:label="lab_tve_RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010_8AD9FFE38CBF3B55242158C8ACF10D58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement age of eligibility for cost of living adjustment after January 1, 2010</link:label>
    <link:label id="lab_tve_RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010_8AD9FFE38CBF3B55242158C8ACF10D58_label_en-US" xlink:label="lab_tve_RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010_8AD9FFE38CBF3B55242158C8ACF10D58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement age of eligibility for cost of living adjustment after January 1, 2010</link:label>
    <link:label id="lab_tve_RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010_8AD9FFE38CBF3B55242158C8ACF10D58_documentation_en-US" xlink:label="lab_tve_RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010_8AD9FFE38CBF3B55242158C8ACF10D58" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Retirement age of eligibility for cost of living adjustment after January 1, 2010.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010" xlink:label="loc_tve_RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010_8AD9FFE38CBF3B55242158C8ACF10D58" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010_8AD9FFE38CBF3B55242158C8ACF10D58" xlink:to="lab_tve_RetirementAgeOfEligibilityForCostOfLivingAdjustmentAfterJanuary12010_8AD9FFE38CBF3B55242158C8ACF10D58" xlink:type="arc" />
    <link:label id="lab_tve_RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010_949DC9E52301A97951F558C8ACF1AC6F_terseLabel_en-US" xlink:label="lab_tve_RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010_949DC9E52301A97951F558C8ACF1AC6F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement age of eligibility for cost of living adjustment before January 1, 2010</link:label>
    <link:label id="lab_tve_RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010_949DC9E52301A97951F558C8ACF1AC6F_label_en-US" xlink:label="lab_tve_RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010_949DC9E52301A97951F558C8ACF1AC6F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement age of eligibility for cost of living adjustment before January 1, 2010</link:label>
    <link:label id="lab_tve_RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010_949DC9E52301A97951F558C8ACF1AC6F_documentation_en-US" xlink:label="lab_tve_RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010_949DC9E52301A97951F558C8ACF1AC6F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Retirement age of eligibility for cost of living adjustment before January 1, 2010.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010" xlink:label="loc_tve_RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010_949DC9E52301A97951F558C8ACF1AC6F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010_949DC9E52301A97951F558C8ACF1AC6F" xlink:to="lab_tve_RetirementageofeligibilityforcostoflivingadjustmentbeforeJanuary12010_949DC9E52301A97951F558C8ACF1AC6F" xlink:type="arc" />
    <link:label id="lab_tve_DefinedBenefitPlanCostOfLivingAdjustmentAssumption_1E08F40E423C056E90F058C8ACF16891_terseLabel_en-US" xlink:label="lab_tve_DefinedBenefitPlanCostOfLivingAdjustmentAssumption_1E08F40E423C056E90F058C8ACF16891" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of living adjustment assumption</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanCostOfLivingAdjustmentAssumption_1E08F40E423C056E90F058C8ACF16891_label_en-US" xlink:label="lab_tve_DefinedBenefitPlanCostOfLivingAdjustmentAssumption_1E08F40E423C056E90F058C8ACF16891" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Cost of Living Adjustment Assumption</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanCostOfLivingAdjustmentAssumption_1E08F40E423C056E90F058C8ACF16891_documentation_en-US" xlink:label="lab_tve_DefinedBenefitPlanCostOfLivingAdjustmentAssumption_1E08F40E423C056E90F058C8ACF16891" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cost of living adjustment percentage used for defined benefit plans.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DefinedBenefitPlanCostOfLivingAdjustmentAssumption" xlink:label="loc_tve_DefinedBenefitPlanCostOfLivingAdjustmentAssumption_1E08F40E423C056E90F058C8ACF16891" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DefinedBenefitPlanCostOfLivingAdjustmentAssumption_1E08F40E423C056E90F058C8ACF16891" xlink:to="lab_tve_DefinedBenefitPlanCostOfLivingAdjustmentAssumption_1E08F40E423C056E90F058C8ACF16891" xlink:type="arc" />
    <link:label id="lab_tve_Rateofinflation_2226BABA1EE4A40C313C58C8ACF1EE1E_terseLabel_en-US" xlink:label="lab_tve_Rateofinflation_2226BABA1EE4A40C313C58C8ACF1EE1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate of inflation</link:label>
    <link:label id="lab_tve_Rateofinflation_2226BABA1EE4A40C313C58C8ACF1EE1E_label_en-US" xlink:label="lab_tve_Rateofinflation_2226BABA1EE4A40C313C58C8ACF1EE1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rate of inflation</link:label>
    <link:label id="lab_tve_Rateofinflation_2226BABA1EE4A40C313C58C8ACF1EE1E_documentation_en-US" xlink:label="lab_tve_Rateofinflation_2226BABA1EE4A40C313C58C8ACF1EE1E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rate of inflation.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Rateofinflation" xlink:label="loc_tve_Rateofinflation_2226BABA1EE4A40C313C58C8ACF1EE1E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SiteContingencyTable_107365FD50072B932C884E3F3F1F4EB7_terseLabel_en-US" xlink:label="lab_us-gaap_SiteContingencyTable_107365FD50072B932C884E3F3F1F4EB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kingston Fossil Plant Ash Spill</link:label>
    <link:label id="lab_us-gaap_SiteContingencyTable_107365FD50072B932C884E3F3F1F4EB7_label_en-US" xlink:label="lab_us-gaap_SiteContingencyTable_107365FD50072B932C884E3F3F1F4EB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Site Contingency [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SiteContingencyTable" xlink:label="loc_us-gaap_SiteContingencyTable_107365FD50072B932C884E3F3F1F4EB7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SiteContingencyTable_107365FD50072B932C884E3F3F1F4EB7" xlink:to="lab_us-gaap_SiteContingencyTable_107365FD50072B932C884E3F3F1F4EB7" xlink:type="arc" />
    <link:label id="lab_us-gaap_EnvironmentalRemediationSiteAxis_A5313448969886AC725D4E3F3F1FF3A4_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteAxis_A5313448969886AC725D4E3F3F1FF3A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kingston Fossil Plant Ash Spill</link:label>
    <link:label id="lab_us-gaap_EnvironmentalRemediationSiteAxis_A5313448969886AC725D4E3F3F1FF3A4_label_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteAxis_A5313448969886AC725D4E3F3F1FF3A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Environmental Remediation Site [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EnvironmentalRemediationSiteAxis" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteAxis_A5313448969886AC725D4E3F3F1FF3A4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteAxis_A5313448969886AC725D4E3F3F1FF3A4" xlink:to="lab_us-gaap_EnvironmentalRemediationSiteAxis_A5313448969886AC725D4E3F3F1FF3A4" xlink:type="arc" />
    <link:label id="lab_us-gaap_EnvironmentalRemediationSiteDomain_48CA17965A132718ADB94E3F3F1FEDD3_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteDomain_48CA17965A132718ADB94E3F3F1FEDD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kingston Fossil Plant Ash Spill</link:label>
    <link:label id="lab_us-gaap_EnvironmentalRemediationSiteDomain_48CA17965A132718ADB94E3F3F1FEDD3_label_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteDomain_48CA17965A132718ADB94E3F3F1FEDD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Environmental Remediation Site [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EnvironmentalRemediationSiteDomain" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteDomain_48CA17965A132718ADB94E3F3F1FEDD3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteDomain_48CA17965A132718ADB94E3F3F1FEDD3" xlink:to="lab_us-gaap_EnvironmentalRemediationSiteDomain_48CA17965A132718ADB94E3F3F1FEDD3" xlink:type="arc" />
    <link:label id="lab_us-gaap_SiteContingencyLineItems_A0CAABDD323634E886734E3F3F1F5F16_terseLabel_en-US" xlink:label="lab_us-gaap_SiteContingencyLineItems_A0CAABDD323634E886734E3F3F1F5F16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kingston Fossil Plant Ash Spill</link:label>
    <link:label id="lab_us-gaap_SiteContingencyLineItems_A0CAABDD323634E886734E3F3F1F5F16_label_en-US" xlink:label="lab_us-gaap_SiteContingencyLineItems_A0CAABDD323634E886734E3F3F1F5F16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Site Contingency [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SiteContingencyLineItems" xlink:label="loc_us-gaap_SiteContingencyLineItems_A0CAABDD323634E886734E3F3F1F5F16" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SiteContingencyLineItems_A0CAABDD323634E886734E3F3F1F5F16" xlink:to="lab_us-gaap_SiteContingencyLineItems_A0CAABDD323634E886734E3F3F1F5F16" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfDredgeCellsThatFailed_65FAF3DDF7B254BA15824E3F3F1F0317_terseLabel_en-US" xlink:label="lab_tve_NumberOfDredgeCellsThatFailed_65FAF3DDF7B254BA15824E3F3F1F0317" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of dredge cells that failed</link:label>
    <link:label id="lab_tve_NumberOfDredgeCellsThatFailed_65FAF3DDF7B254BA15824E3F3F1F0317_label_en-US" xlink:label="lab_tve_NumberOfDredgeCellsThatFailed_65FAF3DDF7B254BA15824E3F3F1F0317" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of dredge cells that failed</link:label>
    <link:label id="lab_tve_NumberOfDredgeCellsThatFailed_65FAF3DDF7B254BA15824E3F3F1F0317_documentation_en-US" xlink:label="lab_tve_NumberOfDredgeCellsThatFailed_65FAF3DDF7B254BA15824E3F3F1F0317" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of dredge cells that failed.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfDredgeCellsThatFailed" xlink:label="loc_tve_NumberOfDredgeCellsThatFailed_65FAF3DDF7B254BA15824E3F3F1F0317" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfDredgeCellsThatFailed_65FAF3DDF7B254BA15824E3F3F1F0317" xlink:to="lab_tve_NumberOfDredgeCellsThatFailed_65FAF3DDF7B254BA15824E3F3F1F0317" xlink:type="arc" />
    <link:label id="lab_tve_CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell_8DDE01F841532FDD3C6E4E3F3F1FA2E4_terseLabel_en-US" xlink:label="lab_tve_CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell_8DDE01F841532FDD3C6E4E3F3F1FA2E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cubic yards of water and coal fly ash that flowed out of the cell</link:label>
    <link:label id="lab_tve_CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell_8DDE01F841532FDD3C6E4E3F3F1FA2E4_label_en-US" xlink:label="lab_tve_CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell_8DDE01F841532FDD3C6E4E3F3F1FA2E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cubic yards of water and coal fly ash that flowed out of the cell</link:label>
    <link:label id="lab_tve_CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell_8DDE01F841532FDD3C6E4E3F3F1FA2E4_documentation_en-US" xlink:label="lab_tve_CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell_8DDE01F841532FDD3C6E4E3F3F1FA2E4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of cubic yards of water and coal fly ash that flowed out of the cell.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell" xlink:label="loc_tve_CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell_8DDE01F841532FDD3C6E4E3F3F1FA2E4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell_8DDE01F841532FDD3C6E4E3F3F1FA2E4" xlink:to="lab_tve_CubicYardsOfWaterAndCoalFlyAshThatFlowedOutOfCell_8DDE01F841532FDD3C6E4E3F3F1FA2E4" xlink:type="arc" />
    <link:label id="lab_us-gaap_LossContingencyRangeOfPossibleLossMinimum_3700EEE88883A806FC044E3F3F1FE581_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyRangeOfPossibleLossMinimum_3700EEE88883A806FC044E3F3F1FE581" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kingston cost estimate low end of range</link:label>
    <link:label id="lab_us-gaap_LossContingencyRangeOfPossibleLossMinimum_3700EEE88883A806FC044E3F3F1FE581_label_en-US" xlink:label="lab_us-gaap_LossContingencyRangeOfPossibleLossMinimum_3700EEE88883A806FC044E3F3F1FE581" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency, Range of Possible Loss, Minimum</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyRangeOfPossibleLossMinimum" xlink:label="loc_us-gaap_LossContingencyRangeOfPossibleLossMinimum_3700EEE88883A806FC044E3F3F1FE581" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyRangeOfPossibleLossMinimum_3700EEE88883A806FC044E3F3F1FE581" xlink:to="lab_us-gaap_LossContingencyRangeOfPossibleLossMinimum_3700EEE88883A806FC044E3F3F1FE581" xlink:type="arc" />
    <link:label id="lab_us-gaap_LossContingencyRangeOfPossibleLossMaximum_43338E1BB5539C0E143E4E3F3F1F0F41_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyRangeOfPossibleLossMaximum_43338E1BB5539C0E143E4E3F3F1F0F41" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kingston cost estimate high end of range</link:label>
    <link:label id="lab_us-gaap_LossContingencyRangeOfPossibleLossMaximum_43338E1BB5539C0E143E4E3F3F1F0F41_label_en-US" xlink:label="lab_us-gaap_LossContingencyRangeOfPossibleLossMaximum_43338E1BB5539C0E143E4E3F3F1F0F41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency, Range of Possible Loss, Maximum</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyRangeOfPossibleLossMaximum" xlink:label="loc_us-gaap_LossContingencyRangeOfPossibleLossMaximum_43338E1BB5539C0E143E4E3F3F1F0F41" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyRangeOfPossibleLossMaximum_43338E1BB5539C0E143E4E3F3F1F0F41" xlink:to="lab_us-gaap_LossContingencyRangeOfPossibleLossMaximum_43338E1BB5539C0E143E4E3F3F1F0F41" xlink:type="arc" />
    <link:label id="lab_us-gaap_LossContingencyEstimateOfPossibleLoss_46F956FF20D3A5F5D8754E3F3F1FAE9D_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyEstimateOfPossibleLoss_46F956FF20D3A5F5D8754E3F3F1FAE9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total recorded estimate of Kingston cleanup costs</link:label>
    <link:label id="lab_us-gaap_LossContingencyEstimateOfPossibleLoss_46F956FF20D3A5F5D8754E3F3F1FAE9D_label_en-US" xlink:label="lab_us-gaap_LossContingencyEstimateOfPossibleLoss_46F956FF20D3A5F5D8754E3F3F1FAE9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency, Estimate of Possible Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:label="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_46F956FF20D3A5F5D8754E3F3F1FAE9D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_46F956FF20D3A5F5D8754E3F3F1FAE9D" xlink:to="lab_us-gaap_LossContingencyEstimateOfPossibleLoss_46F956FF20D3A5F5D8754E3F3F1FAE9D" xlink:type="arc" />
    <link:label id="lab_tve_PeriodCollectedInRates_890EB16F147B4EA395094E3F3F1F1CBE_terseLabel_en-US" xlink:label="lab_tve_PeriodCollectedInRates_890EB16F147B4EA395094E3F3F1F1CBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period collected in rates</link:label>
    <link:label id="lab_tve_PeriodCollectedInRates_890EB16F147B4EA395094E3F3F1F1CBE_label_en-US" xlink:label="lab_tve_PeriodCollectedInRates_890EB16F147B4EA395094E3F3F1F1CBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Period collected in rates</link:label>
    <link:label id="lab_tve_PeriodCollectedInRates_890EB16F147B4EA395094E3F3F1F1CBE_documentation_en-US" xlink:label="lab_tve_PeriodCollectedInRates_890EB16F147B4EA395094E3F3F1F1CBE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The time period that the expense is collected in rates.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PeriodCollectedInRates" xlink:label="loc_tve_PeriodCollectedInRates_890EB16F147B4EA395094E3F3F1F1CBE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PeriodCollectedInRates_890EB16F147B4EA395094E3F3F1F1CBE" xlink:to="lab_tve_PeriodCollectedInRates_890EB16F147B4EA395094E3F3F1F1CBE" xlink:type="arc" />
    <link:label id="lab_tve_KingstonAmountsSpentToDate_8DC88B2FC18C288778BF4E3F3F1FAD7D_verboseLabel_en-US" xlink:label="lab_tve_KingstonAmountsSpentToDate_8DC88B2FC18C288778BF4E3F3F1FAD7D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Kingston cleanup amounts spent to date</link:label>
    <link:label id="lab_tve_KingstonAmountsSpentToDate_8DC88B2FC18C288778BF4E3F3F1FAD7D_label_en-US" xlink:label="lab_tve_KingstonAmountsSpentToDate_8DC88B2FC18C288778BF4E3F3F1FAD7D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Kingston amounts spent to date</link:label>
    <link:label id="lab_tve_KingstonAmountsSpentToDate_8DC88B2FC18C288778BF4E3F3F1FAD7D_documentation_en-US" xlink:label="lab_tve_KingstonAmountsSpentToDate_8DC88B2FC18C288778BF4E3F3F1FAD7D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amounts spent since the event through a certain date for the Kingston Ash Spill cleanup effort.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_KingstonAmountsSpentToDate" xlink:label="loc_tve_KingstonAmountsSpentToDate_8DC88B2FC18C288778BF4E3F3F1FAD7D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_KingstonAmountsSpentToDate_8DC88B2FC18C288778BF4E3F3F1FAD7D" xlink:to="lab_tve_KingstonAmountsSpentToDate_8DC88B2FC18C288778BF4E3F3F1FAD7D" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingencies_AF14AFC4700F61093E7A4E3F3F1F110E_terseLabel_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingencies_AF14AFC4700F61093E7A4E3F3F1F110E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining estimated Kingston liability</link:label>
    <link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingencies_AF14AFC4700F61093E7A4E3F3F1F110E_label_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingencies_AF14AFC4700F61093E7A4E3F3F1F110E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrual for Environmental Loss Contingencies</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingencies_AF14AFC4700F61093E7A4E3F3F1F110E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccrualForEnvironmentalLossContingencies_AF14AFC4700F61093E7A4E3F3F1F110E" xlink:to="lab_us-gaap_AccrualForEnvironmentalLossContingencies_AF14AFC4700F61093E7A4E3F3F1F110E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromInsuranceSettlementOperatingActivities_30A2DB11658AD720329A4E3F3F1F7435_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromInsuranceSettlementOperatingActivities_30A2DB11658AD720329A4E3F3F1F7435" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kingston insurance proceeds received</link:label>
    <link:label id="lab_us-gaap_ProceedsFromInsuranceSettlementOperatingActivities_30A2DB11658AD720329A4E3F3F1F7435_label_en-US" xlink:label="lab_us-gaap_ProceedsFromInsuranceSettlementOperatingActivities_30A2DB11658AD720329A4E3F3F1F7435" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Insurance Settlement, Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromInsuranceSettlementOperatingActivities" xlink:label="loc_us-gaap_ProceedsFromInsuranceSettlementOperatingActivities_30A2DB11658AD720329A4E3F3F1F7435" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromInsuranceSettlementOperatingActivities_30A2DB11658AD720329A4E3F3F1F7435" xlink:to="lab_us-gaap_ProceedsFromInsuranceSettlementOperatingActivities_30A2DB11658AD720329A4E3F3F1F7435" xlink:type="arc" />
    <link:label id="lab_tve_DebtOutstandingAbstract_ABF72411E98B58A4E026577551BE56B7_label_en-US" xlink:label="lab_tve_DebtOutstandingAbstract_ABF72411E98B58A4E026577551BE56B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Outstanding [Abstract]</link:label>
    <link:label id="lab_tve_DebtOutstandingAbstract_ABF72411E98B58A4E026577551BE56B7_documentation_en-US" xlink:label="lab_tve_DebtOutstandingAbstract_ABF72411E98B58A4E026577551BE56B7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Outstanding [Abstract]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DebtOutstandingAbstract" xlink:label="loc_tve_DebtOutstandingAbstract_ABF72411E98B58A4E026577551BE56B7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DebtOutstandingAbstract_ABF72411E98B58A4E026577551BE56B7" xlink:to="lab_tve_DebtOutstandingAbstract_ABF72411E98B58A4E026577551BE56B7" xlink:type="arc" />
    <link:label id="lab_tve_DebtOutstandingTable_7E632F88C092C0162743577551BE8EFE_terseLabel_en-US" xlink:label="lab_tve_DebtOutstandingTable_7E632F88C092C0162743577551BE8EFE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Outstanding</link:label>
    <link:label id="lab_tve_DebtOutstandingTable_7E632F88C092C0162743577551BE8EFE_label_en-US" xlink:label="lab_tve_DebtOutstandingTable_7E632F88C092C0162743577551BE8EFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Outstanding [Table]</link:label>
    <link:label id="lab_tve_DebtOutstandingTable_7E632F88C092C0162743577551BE8EFE_documentation_en-US" xlink:label="lab_tve_DebtOutstandingTable_7E632F88C092C0162743577551BE8EFE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Outstanding [Table]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DebtOutstandingTable" xlink:label="loc_tve_DebtOutstandingTable_7E632F88C092C0162743577551BE8EFE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DebtOutstandingTable_7E632F88C092C0162743577551BE8EFE" xlink:to="lab_tve_DebtOutstandingTable_7E632F88C092C0162743577551BE8EFE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShortTermDebtTypeAxis_6327E49870EB6FFDE84B577551BE00D3_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeAxis_6327E49870EB6FFDE84B577551BE00D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term debt</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtNoncurrentAbstract_4F3A764EEA90138952FE577551BE5296_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrentAbstract_4F3A764EEA90138952FE577551BE5296" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Excluding Current Maturities [Abstract]</link:label>
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    <link:label id="lab_tve_LongTermPowerBonds_FE9F8F520F99B658D9AC577551BEC592_terseLabel_en-US" xlink:label="lab_tve_LongTermPowerBonds_FE9F8F520F99B658D9AC577551BEC592" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term power bonds</link:label>
    <link:label id="lab_tve_LongTermPowerBonds_FE9F8F520F99B658D9AC577551BEC592_label_en-US" xlink:label="lab_tve_LongTermPowerBonds_FE9F8F520F99B658D9AC577551BEC592" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term power bonds</link:label>
    <link:label id="lab_tve_LongTermPowerBonds_FE9F8F520F99B658D9AC577551BEC592_documentation_en-US" xlink:label="lab_tve_LongTermPowerBonds_FE9F8F520F99B658D9AC577551BEC592" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying value as of the balance sheet date of debt not otherwise defined (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion and excluding the unamortized discount, premiums and other.</link:label>
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    <link:label id="lab_tve_LongTermOutstandingPowerBondsNet_085A0204B79903C85CC7577551BEB98B_totalLabel_en-US" xlink:label="lab_tve_LongTermOutstandingPowerBondsNet_085A0204B79903C85CC7577551BEB98B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total long-term outstanding power bonds, net</link:label>
    <link:label id="lab_tve_LongTermOutstandingPowerBondsNet_085A0204B79903C85CC7577551BEB98B_label_en-US" xlink:label="lab_tve_LongTermOutstandingPowerBondsNet_085A0204B79903C85CC7577551BEB98B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term outstanding power bonds, net</link:label>
    <link:label id="lab_tve_LongTermOutstandingPowerBondsNet_085A0204B79903C85CC7577551BEB98B_documentation_en-US" xlink:label="lab_tve_LongTermOutstandingPowerBondsNet_085A0204B79903C85CC7577551BEB98B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long-term outstanding power bonds, net</link:label>
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    <link:label id="lab_tve_LongTermDebtOfVariableInterestEntities_429D8656595931C7C6E8577551BE855B_terseLabel_en-US" xlink:label="lab_tve_LongTermDebtOfVariableInterestEntities_429D8656595931C7C6E8577551BE855B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt of variable interest entities</link:label>
    <link:label id="lab_tve_LongTermDebtOfVariableInterestEntities_429D8656595931C7C6E8577551BE855B_label_en-US" xlink:label="lab_tve_LongTermDebtOfVariableInterestEntities_429D8656595931C7C6E8577551BE855B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term debt of variable interest entities</link:label>
    <link:label id="lab_tve_LongTermDebtOfVariableInterestEntities_429D8656595931C7C6E8577551BE855B_documentation_en-US" xlink:label="lab_tve_LongTermDebtOfVariableInterestEntities_429D8656595931C7C6E8577551BE855B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long-term debt of variable interest entities</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_LongTermDebtOfVariableInterestEntities" xlink:label="loc_tve_LongTermDebtOfVariableInterestEntities_429D8656595931C7C6E8577551BE855B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_44D7D7A8B07BE8D72F4C577551BE5FB8_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_44D7D7A8B07BE8D72F4C577551BE5FB8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total long-term debt, net</link:label>
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_44D7D7A8B07BE8D72F4C577551BE5FB8_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_44D7D7A8B07BE8D72F4C577551BE5FB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Excluding Current Maturities</link:label>
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    <link:label id="lab_us-gaap_CreditFacilityAxis_516A73FEF8BCC2C7DA0533D628097FAB_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_516A73FEF8BCC2C7DA0533D628097FAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility Agreements</link:label>
    <link:label id="lab_us-gaap_CreditFacilityAxis_516A73FEF8BCC2C7DA0533D628097FAB_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_516A73FEF8BCC2C7DA0533D628097FAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_516A73FEF8BCC2C7DA0533D628097FAB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CreditFacilityDomain_9F00E55FF08AB25565E733D62809BAF3_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_9F00E55FF08AB25565E733D62809BAF3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility Agreements</link:label>
    <link:label id="lab_us-gaap_CreditFacilityDomain_9F00E55FF08AB25565E733D62809BAF3_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_9F00E55FF08AB25565E733D62809BAF3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_9F00E55FF08AB25565E733D62809BAF3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditMember_0481161A087517347C7033D62809EE83_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_0481161A087517347C7033D62809EE83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit</link:label>
    <link:label id="lab_us-gaap_LineOfCreditMember_0481161A087517347C7033D62809EE83_label_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_0481161A087517347C7033D62809EE83" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_0481161A087517347C7033D62809EE83" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditMember_0481161A087517347C7033D62809EE83" xlink:to="lab_us-gaap_LineOfCreditMember_0481161A087517347C7033D62809EE83" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_41BE6D9C5BBD0BB934DA33D628098BD1_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_41BE6D9C5BBD0BB934DA33D628098BD1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving Credit Facilities</link:label>
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_41BE6D9C5BBD0BB934DA33D628098BD1_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_41BE6D9C5BBD0BB934DA33D628098BD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_41BE6D9C5BBD0BB934DA33D628098BD1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_7A3FB0F7CC82474FC25433D628093AC2_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_7A3FB0F7CC82474FC25433D628093AC2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility Agreements</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_7A3FB0F7CC82474FC25433D628093AC2_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_7A3FB0F7CC82474FC25433D628093AC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_7A3FB0F7CC82474FC25433D628093AC2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_7A3FB0F7CC82474FC25433D628093AC2" xlink:to="lab_us-gaap_LineOfCreditFacilityLineItems_7A3FB0F7CC82474FC25433D628093AC2" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityAmountOutstanding_C43DE4728F13A63DDCEE33D628095D12_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAmountOutstanding_C43DE4728F13A63DDCEE33D628095D12" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit facility agreements borrowings outstanding</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityAmountOutstanding_C43DE4728F13A63DDCEE33D628095D12_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAmountOutstanding_C43DE4728F13A63DDCEE33D628095D12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Amount Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_C43DE4728F13A63DDCEE33D628095D12" xlink:type="locator" />
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    <link:label id="lab_tve_NumberOfRevolvingCreditFacilities_4EE7AA8AAC0AB0361F4933D62809DE55_terseLabel_en-US" xlink:label="lab_tve_NumberOfRevolvingCreditFacilities_4EE7AA8AAC0AB0361F4933D62809DE55" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of revolving credit facilities</link:label>
    <link:label id="lab_tve_NumberOfRevolvingCreditFacilities_4EE7AA8AAC0AB0361F4933D62809DE55_label_en-US" xlink:label="lab_tve_NumberOfRevolvingCreditFacilities_4EE7AA8AAC0AB0361F4933D62809DE55" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of revolving credit facilities</link:label>
    <link:label id="lab_tve_NumberOfRevolvingCreditFacilities_4EE7AA8AAC0AB0361F4933D62809DE55_documentation_en-US" xlink:label="lab_tve_NumberOfRevolvingCreditFacilities_4EE7AA8AAC0AB0361F4933D62809DE55" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of revolving credit facilities.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfRevolvingCreditFacilities" xlink:label="loc_tve_NumberOfRevolvingCreditFacilities_4EE7AA8AAC0AB0361F4933D62809DE55" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfRevolvingCreditFacilities_4EE7AA8AAC0AB0361F4933D62809DE55" xlink:to="lab_tve_NumberOfRevolvingCreditFacilities_4EE7AA8AAC0AB0361F4933D62809DE55" xlink:type="arc" />
    <link:label id="lab_tve_RevolvingCreditFacility1_231967A7860397812E1533D62809CF19_terseLabel_en-US" xlink:label="lab_tve_RevolvingCreditFacility1_231967A7860397812E1533D62809CF19" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving credit facility 1</link:label>
    <link:label id="lab_tve_RevolvingCreditFacility1_231967A7860397812E1533D62809CF19_label_en-US" xlink:label="lab_tve_RevolvingCreditFacility1_231967A7860397812E1533D62809CF19" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility 1</link:label>
    <link:label id="lab_tve_RevolvingCreditFacility1_231967A7860397812E1533D62809CF19_documentation_en-US" xlink:label="lab_tve_RevolvingCreditFacility1_231967A7860397812E1533D62809CF19" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of current borrowing capacity under the first revolving credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_RevolvingCreditFacility1" xlink:label="loc_tve_RevolvingCreditFacility1_231967A7860397812E1533D62809CF19" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_RevolvingCreditFacility1_231967A7860397812E1533D62809CF19" xlink:to="lab_tve_RevolvingCreditFacility1_231967A7860397812E1533D62809CF19" xlink:type="arc" />
    <link:label id="lab_tve_RevolvingCreditFacility2_3F97904736A7BB4BBE4833D628096854_terseLabel_en-US" xlink:label="lab_tve_RevolvingCreditFacility2_3F97904736A7BB4BBE4833D628096854" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving credit facility 2</link:label>
    <link:label id="lab_tve_RevolvingCreditFacility2_3F97904736A7BB4BBE4833D628096854_label_en-US" xlink:label="lab_tve_RevolvingCreditFacility2_3F97904736A7BB4BBE4833D628096854" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility 2</link:label>
    <link:label id="lab_tve_RevolvingCreditFacility2_3F97904736A7BB4BBE4833D628096854_documentation_en-US" xlink:label="lab_tve_RevolvingCreditFacility2_3F97904736A7BB4BBE4833D628096854" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of current borrowing capacity under the second revolving credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_RevolvingCreditFacility2" xlink:label="loc_tve_RevolvingCreditFacility2_3F97904736A7BB4BBE4833D628096854" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_RevolvingCreditFacility2_3F97904736A7BB4BBE4833D628096854" xlink:to="lab_tve_RevolvingCreditFacility2_3F97904736A7BB4BBE4833D628096854" xlink:type="arc" />
    <link:label id="lab_tve_RevolvingCreditFacility3_A81271FE1F61222A7D3733D628094CEB_terseLabel_en-US" xlink:label="lab_tve_RevolvingCreditFacility3_A81271FE1F61222A7D3733D628094CEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving credit facility 3</link:label>
    <link:label id="lab_tve_RevolvingCreditFacility3_A81271FE1F61222A7D3733D628094CEB_label_en-US" xlink:label="lab_tve_RevolvingCreditFacility3_A81271FE1F61222A7D3733D628094CEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility 3</link:label>
    <link:label id="lab_tve_RevolvingCreditFacility3_A81271FE1F61222A7D3733D628094CEB_documentation_en-US" xlink:label="lab_tve_RevolvingCreditFacility3_A81271FE1F61222A7D3733D628094CEB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of current borrowing capacity under the third revolving credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_RevolvingCreditFacility3" xlink:label="loc_tve_RevolvingCreditFacility3_A81271FE1F61222A7D3733D628094CEB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_813DBB42CA7F525D2DF833D62809B54C_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_813DBB42CA7F525D2DF833D62809B54C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of letters of credit outstanding</link:label>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_813DBB42CA7F525D2DF833D62809B54C_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_813DBB42CA7F525D2DF833D62809B54C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount_813DBB42CA7F525D2DF833D62809B54C" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount_813DBB42CA7F525D2DF833D62809B54C" xlink:type="arc" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents_8D0E44A917CE87A69D324FE1E3954EB4_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents_8D0E44A917CE87A69D324FE1E3954EB4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of one percentage point increase on total service and interest cost components</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1" xlink:label="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1_8199E5747CA5AA8F1CDC4FE1E395338A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1_8199E5747CA5AA8F1CDC4FE1E395338A" xlink:to="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1_8199E5747CA5AA8F1CDC4FE1E395338A" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_156556BE3BA931D8AA3C4FE1E395480E_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_156556BE3BA931D8AA3C4FE1E395480E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect of one percentage point increase on end-of-year accumulated postretirement benefit obligation</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_156556BE3BA931D8AA3C4FE1E395480E_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_156556BE3BA931D8AA3C4FE1E395480E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_156556BE3BA931D8AA3C4FE1E395480E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_156556BE3BA931D8AA3C4FE1E395480E" xlink:to="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation_156556BE3BA931D8AA3C4FE1E395480E" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1_0A9A2489E4D5BD6ABB264FE1E395F3F3_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1_0A9A2489E4D5BD6ABB264FE1E395F3F3" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Effect of one percentage point decrease on end-of-year accumulated postretirement benefit obligation</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1_0A9A2489E4D5BD6ABB264FE1E395F3F3_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1_0A9A2489E4D5BD6ABB264FE1E395F3F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1" xlink:label="loc_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1_0A9A2489E4D5BD6ABB264FE1E395F3F3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_00C434FA230B7A9ABC7E58C8BE854783_label_en-US" xlink:label="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_00C434FA230B7A9ABC7E58C8BE854783" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Compensation and Retirement Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_00C434FA230B7A9ABC7E58C8BE854783" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_00C434FA230B7A9ABC7E58C8BE854783" xlink:to="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_00C434FA230B7A9ABC7E58C8BE854783" xlink:type="arc" />
    <link:label id="lab_tve_DefinedBenefitPlanStructureAxis_4C9150B33DFC2F8890A058C8BE851829_terseLabel_en-US" xlink:label="lab_tve_DefinedBenefitPlanStructureAxis_4C9150B33DFC2F8890A058C8BE851829" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Structure</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanStructureAxis_4C9150B33DFC2F8890A058C8BE851829_label_en-US" xlink:label="lab_tve_DefinedBenefitPlanStructureAxis_4C9150B33DFC2F8890A058C8BE851829" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined benefit plan structure [Axis]</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanStructureAxis_4C9150B33DFC2F8890A058C8BE851829_documentation_en-US" xlink:label="lab_tve_DefinedBenefitPlanStructureAxis_4C9150B33DFC2F8890A058C8BE851829" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Defined benefit plan structures that inlcude the Original Benefit structure and the Cash Balance Benefit structure.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DefinedBenefitPlanStructureAxis" xlink:label="loc_tve_DefinedBenefitPlanStructureAxis_4C9150B33DFC2F8890A058C8BE851829" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DefinedBenefitPlanStructureAxis_4C9150B33DFC2F8890A058C8BE851829" xlink:to="lab_tve_DefinedBenefitPlanStructureAxis_4C9150B33DFC2F8890A058C8BE851829" xlink:type="arc" />
    <link:label id="lab_tve_DefinedbenefitplanstructureDomain_599FA8439FCB396AAD4058C8BE85916A_terseLabel_en-US" xlink:label="lab_tve_DefinedbenefitplanstructureDomain_599FA8439FCB396AAD4058C8BE85916A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Structure</link:label>
    <link:label id="lab_tve_DefinedbenefitplanstructureDomain_599FA8439FCB396AAD4058C8BE85916A_label_en-US" xlink:label="lab_tve_DefinedbenefitplanstructureDomain_599FA8439FCB396AAD4058C8BE85916A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">DefinedBenefitPlanStructure [Domain]</link:label>
    <link:label id="lab_tve_DefinedbenefitplanstructureDomain_599FA8439FCB396AAD4058C8BE85916A_documentation_en-US" xlink:label="lab_tve_DefinedbenefitplanstructureDomain_599FA8439FCB396AAD4058C8BE85916A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Defined  benefit plan structures that include the Original Benefit structure and the Cash Balance Benefit structure.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DefinedbenefitplanstructureDomain" xlink:label="loc_tve_DefinedbenefitplanstructureDomain_599FA8439FCB396AAD4058C8BE85916A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DefinedbenefitplanstructureDomain_599FA8439FCB396AAD4058C8BE85916A" xlink:to="lab_tve_DefinedbenefitplanstructureDomain_599FA8439FCB396AAD4058C8BE85916A" xlink:type="arc" />
    <link:label id="lab_tve_OriginalBenefitStructureMember_52315F4E3857249DC02F58C8BE8572DD_terseLabel_en-US" xlink:label="lab_tve_OriginalBenefitStructureMember_52315F4E3857249DC02F58C8BE8572DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Original benefit structure</link:label>
    <link:label id="lab_tve_OriginalBenefitStructureMember_52315F4E3857249DC02F58C8BE8572DD_label_en-US" xlink:label="lab_tve_OriginalBenefitStructureMember_52315F4E3857249DC02F58C8BE8572DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Original benefit structure [Member]</link:label>
    <link:label id="lab_tve_OriginalBenefitStructureMember_52315F4E3857249DC02F58C8BE8572DD_documentation_en-US" xlink:label="lab_tve_OriginalBenefitStructureMember_52315F4E3857249DC02F58C8BE8572DD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Original Benefit Structure is a defined benefit plan based on a member's creditable service, a member's average monthly salary for the highest three consecutive years of base pay, and a pension factor based on a member's age and years of service, less a Social Security offset.  This benefit structure also impacts the amount of employer contributions to the defined contribution plan.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_OriginalBenefitStructureMember" xlink:label="loc_tve_OriginalBenefitStructureMember_52315F4E3857249DC02F58C8BE8572DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_OriginalBenefitStructureMember_52315F4E3857249DC02F58C8BE8572DD" xlink:to="lab_tve_OriginalBenefitStructureMember_52315F4E3857249DC02F58C8BE8572DD" xlink:type="arc" />
    <link:label id="lab_tve_CashBalanceBenefitStructureMember_00061FCF699CBED8650758C8BE851F02_terseLabel_en-US" xlink:label="lab_tve_CashBalanceBenefitStructureMember_00061FCF699CBED8650758C8BE851F02" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Balance Benefit Structure</link:label>
    <link:label id="lab_tve_CashBalanceBenefitStructureMember_00061FCF699CBED8650758C8BE851F02_label_en-US" xlink:label="lab_tve_CashBalanceBenefitStructureMember_00061FCF699CBED8650758C8BE851F02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash balance benefit structure [Member]</link:label>
    <link:label id="lab_tve_CashBalanceBenefitStructureMember_00061FCF699CBED8650758C8BE851F02_documentation_en-US" xlink:label="lab_tve_CashBalanceBenefitStructureMember_00061FCF699CBED8650758C8BE851F02" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Cash Balance Benefit Structure is a defined benefit plan based on credits accumulated in a member's account and based upon a member's age.  A member receives credits based upon a percentage of straight-time earnings and receives interest credits in this benefit structure.  This benefit structure also impacts the amount of employer contributions to the defined contribution plan.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CashBalanceBenefitStructureMember" xlink:label="loc_tve_CashBalanceBenefitStructureMember_00061FCF699CBED8650758C8BE851F02" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_CashBalanceBenefitStructureMember_00061FCF699CBED8650758C8BE851F02" xlink:to="lab_tve_CashBalanceBenefitStructureMember_00061FCF699CBED8650758C8BE851F02" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfQualifiedDefinedBenefitPlans_57C7BC78D4DFB847B30D58C8BE852161_terseLabel_en-US" xlink:label="lab_tve_NumberOfQualifiedDefinedBenefitPlans_57C7BC78D4DFB847B30D58C8BE852161" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of defined benefit plans</link:label>
    <link:label id="lab_tve_NumberOfQualifiedDefinedBenefitPlans_57C7BC78D4DFB847B30D58C8BE852161_label_en-US" xlink:label="lab_tve_NumberOfQualifiedDefinedBenefitPlans_57C7BC78D4DFB847B30D58C8BE852161" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of qualified defined benefit plans</link:label>
    <link:label id="lab_tve_NumberOfQualifiedDefinedBenefitPlans_57C7BC78D4DFB847B30D58C8BE852161_documentation_en-US" xlink:label="lab_tve_NumberOfQualifiedDefinedBenefitPlans_57C7BC78D4DFB847B30D58C8BE852161" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of qualified defined benefit pension plans.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfQualifiedDefinedBenefitPlans" xlink:label="loc_tve_NumberOfQualifiedDefinedBenefitPlans_57C7BC78D4DFB847B30D58C8BE852161" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfQualifiedDefinedBenefitPlans_57C7BC78D4DFB847B30D58C8BE852161" xlink:to="lab_tve_NumberOfQualifiedDefinedBenefitPlans_57C7BC78D4DFB847B30D58C8BE852161" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfQualifiedDefinedContributionPlans_F72BA9A146FCDB57352558C8BE857A3D_terseLabel_en-US" xlink:label="lab_tve_NumberOfQualifiedDefinedContributionPlans_F72BA9A146FCDB57352558C8BE857A3D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of definied contribution plans</link:label>
    <link:label id="lab_tve_NumberOfQualifiedDefinedContributionPlans_F72BA9A146FCDB57352558C8BE857A3D_label_en-US" xlink:label="lab_tve_NumberOfQualifiedDefinedContributionPlans_F72BA9A146FCDB57352558C8BE857A3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of qualified defined contribution plans</link:label>
    <link:label id="lab_tve_NumberOfQualifiedDefinedContributionPlans_F72BA9A146FCDB57352558C8BE857A3D_documentation_en-US" xlink:label="lab_tve_NumberOfQualifiedDefinedContributionPlans_F72BA9A146FCDB57352558C8BE857A3D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of qualified defined contribution pension plans.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfQualifiedDefinedContributionPlans" xlink:label="loc_tve_NumberOfQualifiedDefinedContributionPlans_F72BA9A146FCDB57352558C8BE857A3D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfQualifiedDefinedContributionPlans_F72BA9A146FCDB57352558C8BE857A3D" xlink:to="lab_tve_NumberOfQualifiedDefinedContributionPlans_F72BA9A146FCDB57352558C8BE857A3D" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfUnfundedPostRetirementHealthCarePlans_CC69053B1F38ADFB996358C8BE85EA6C_terseLabel_en-US" xlink:label="lab_tve_NumberOfUnfundedPostRetirementHealthCarePlans_CC69053B1F38ADFB996358C8BE85EA6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of unfunded post-retirement health care plans</link:label>
    <link:label id="lab_tve_NumberOfUnfundedPostRetirementHealthCarePlans_CC69053B1F38ADFB996358C8BE85EA6C_label_en-US" xlink:label="lab_tve_NumberOfUnfundedPostRetirementHealthCarePlans_CC69053B1F38ADFB996358C8BE85EA6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of unfunded post-retirement health care plans</link:label>
    <link:label id="lab_tve_NumberOfUnfundedPostRetirementHealthCarePlans_CC69053B1F38ADFB996358C8BE85EA6C_documentation_en-US" xlink:label="lab_tve_NumberOfUnfundedPostRetirementHealthCarePlans_CC69053B1F38ADFB996358C8BE85EA6C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of unfunded post-retirement health care plans that provide for non-vested contributions toward the cost of certain retirees' medical coverage.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfUnfundedPostRetirementHealthCarePlans" xlink:label="loc_tve_NumberOfUnfundedPostRetirementHealthCarePlans_CC69053B1F38ADFB996358C8BE85EA6C" xlink:type="locator" />
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    <link:label id="lab_tve_Numberofbenefitplanstructures_7472B44231CA3FDA5E5D58CA6D310DA6_terseLabel_en-US" xlink:label="lab_tve_Numberofbenefitplanstructures_7472B44231CA3FDA5E5D58CA6D310DA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of benefit plan structures</link:label>
    <link:label id="lab_tve_Numberofbenefitplanstructures_7472B44231CA3FDA5E5D58CA6D310DA6_label_en-US" xlink:label="lab_tve_Numberofbenefitplanstructures_7472B44231CA3FDA5E5D58CA6D310DA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of benefit plan structures</link:label>
    <link:label id="lab_tve_Numberofbenefitplanstructures_7472B44231CA3FDA5E5D58CA6D310DA6_documentation_en-US" xlink:label="lab_tve_Numberofbenefitplanstructures_7472B44231CA3FDA5E5D58CA6D310DA6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of defined benefit plan pension structures</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Numberofbenefitplanstructures" xlink:label="loc_tve_Numberofbenefitplanstructures_7472B44231CA3FDA5E5D58CA6D310DA6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_Numberofbenefitplanstructures_7472B44231CA3FDA5E5D58CA6D310DA6" xlink:to="lab_tve_Numberofbenefitplanstructures_7472B44231CA3FDA5E5D58CA6D310DA6" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfConsecutiveHighestBasePayYears_808244E6645E2996000F58C8BE85A5A5_terseLabel_en-US" xlink:label="lab_tve_NumberOfConsecutiveHighestBasePayYears_808244E6645E2996000F58C8BE85A5A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of consecutive highest base pay years</link:label>
    <link:label id="lab_tve_NumberOfConsecutiveHighestBasePayYears_808244E6645E2996000F58C8BE85A5A5_label_en-US" xlink:label="lab_tve_NumberOfConsecutiveHighestBasePayYears_808244E6645E2996000F58C8BE85A5A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of consecutive highest base pay years</link:label>
    <link:label id="lab_tve_NumberOfConsecutiveHighestBasePayYears_808244E6645E2996000F58C8BE85A5A5_documentation_en-US" xlink:label="lab_tve_NumberOfConsecutiveHighestBasePayYears_808244E6645E2996000F58C8BE85A5A5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of consecutive highest base pay years used to calculate the member's average monthly salary for those members participating in the Original Benefit Structure.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfConsecutiveHighestBasePayYears" xlink:label="loc_tve_NumberOfConsecutiveHighestBasePayYears_808244E6645E2996000F58C8BE85A5A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfConsecutiveHighestBasePayYears_808244E6645E2996000F58C8BE85A5A5" xlink:to="lab_tve_NumberOfConsecutiveHighestBasePayYears_808244E6645E2996000F58C8BE85A5A5" xlink:type="arc" />
    <link:label id="lab_tve_PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit_9B759BD33F39FCEF681358C8BE857C63_terseLabel_en-US" xlink:label="lab_tve_PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit_9B759BD33F39FCEF681358C8BE857C63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of straight-time earnings for cash balance benefit credit</link:label>
    <link:label id="lab_tve_PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit_9B759BD33F39FCEF681358C8BE857C63_label_en-US" xlink:label="lab_tve_PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit_9B759BD33F39FCEF681358C8BE857C63" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of straight-time earnings for cash balance benefit credit</link:label>
    <link:label id="lab_tve_PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit_9B759BD33F39FCEF681358C8BE857C63_documentation_en-US" xlink:label="lab_tve_PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit_9B759BD33F39FCEF681358C8BE857C63" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of straight-time earnings that is used to credit the accounts of Cash Balance Benefit members.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit" xlink:label="loc_tve_PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit_9B759BD33F39FCEF681358C8BE857C63" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit_9B759BD33F39FCEF681358C8BE857C63" xlink:to="lab_tve_PercentageOfStraightTimeEarningsForCashBalanceBenefitCredit_9B759BD33F39FCEF681358C8BE857C63" xlink:type="arc" />
    <link:label id="lab_tve_PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit_D429F5D1DA20E2C0074C58C8BE8557FA_terseLabel_en-US" xlink:label="lab_tve_PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit_D429F5D1DA20E2C0074C58C8BE8557FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage added to consumer price index for interest credit of cash balance benefit</link:label>
    <link:label id="lab_tve_PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit_D429F5D1DA20E2C0074C58C8BE8557FA_label_en-US" xlink:label="lab_tve_PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit_D429F5D1DA20E2C0074C58C8BE8557FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage added to consumer price index for interest credit of cash balance benefit</link:label>
    <link:label id="lab_tve_PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit_D429F5D1DA20E2C0074C58C8BE8557FA_documentation_en-US" xlink:label="lab_tve_PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit_D429F5D1DA20E2C0074C58C8BE8557FA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage added to the consumer price index for the interest credit to members' accounts of the Cash Balance Benefit</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit" xlink:label="loc_tve_PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit_D429F5D1DA20E2C0074C58C8BE8557FA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit_D429F5D1DA20E2C0074C58C8BE8557FA" xlink:to="lab_tve_PercentageAddedToConsumerPriceIndexForInterestCreditOfCashBalanceBenefit_D429F5D1DA20E2C0074C58C8BE8557FA" xlink:type="arc" />
    <link:label id="lab_tve_MinimumInterestCreditPercentageForCashBalanceBenefit_A653DEBE1E68BAA2898458C8BE85A61F_terseLabel_en-US" xlink:label="lab_tve_MinimumInterestCreditPercentageForCashBalanceBenefit_A653DEBE1E68BAA2898458C8BE85A61F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum interest credit percentage for cash balance benefit</link:label>
    <link:label id="lab_tve_MinimumInterestCreditPercentageForCashBalanceBenefit_A653DEBE1E68BAA2898458C8BE85A61F_label_en-US" xlink:label="lab_tve_MinimumInterestCreditPercentageForCashBalanceBenefit_A653DEBE1E68BAA2898458C8BE85A61F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum interest credit percentage for cash balance benefit</link:label>
    <link:label id="lab_tve_MinimumInterestCreditPercentageForCashBalanceBenefit_A653DEBE1E68BAA2898458C8BE85A61F_documentation_en-US" xlink:label="lab_tve_MinimumInterestCreditPercentageForCashBalanceBenefit_A653DEBE1E68BAA2898458C8BE85A61F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum interest credit percentage for accounts of memebers of the Cash Balance Benefit.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_MinimumInterestCreditPercentageForCashBalanceBenefit" xlink:label="loc_tve_MinimumInterestCreditPercentageForCashBalanceBenefit_A653DEBE1E68BAA2898458C8BE85A61F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_MinimumInterestCreditPercentageForCashBalanceBenefit_A653DEBE1E68BAA2898458C8BE85A61F" xlink:to="lab_tve_MinimumInterestCreditPercentageForCashBalanceBenefit_A653DEBE1E68BAA2898458C8BE85A61F" xlink:type="arc" />
    <link:label id="lab_tve_MaximumInterestCreditPercentageForCashBalanceBenefit_369AE49F13544DC7EB9758C8BE85D6CF_terseLabel_en-US" xlink:label="lab_tve_MaximumInterestCreditPercentageForCashBalanceBenefit_369AE49F13544DC7EB9758C8BE85D6CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum interest credit percentage for cash balance benefit</link:label>
    <link:label id="lab_tve_MaximumInterestCreditPercentageForCashBalanceBenefit_369AE49F13544DC7EB9758C8BE85D6CF_label_en-US" xlink:label="lab_tve_MaximumInterestCreditPercentageForCashBalanceBenefit_369AE49F13544DC7EB9758C8BE85D6CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum interest credit percentage for cash balance benefit</link:label>
    <link:label id="lab_tve_MaximumInterestCreditPercentageForCashBalanceBenefit_369AE49F13544DC7EB9758C8BE85D6CF_documentation_en-US" xlink:label="lab_tve_MaximumInterestCreditPercentageForCashBalanceBenefit_369AE49F13544DC7EB9758C8BE85D6CF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum interest credit percentage for accounts of members of the Cash Balance Benefit.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_MaximumInterestCreditPercentageForCashBalanceBenefit" xlink:label="loc_tve_MaximumInterestCreditPercentageForCashBalanceBenefit_369AE49F13544DC7EB9758C8BE85D6CF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_MaximumInterestCreditPercentageForCashBalanceBenefit_369AE49F13544DC7EB9758C8BE85D6CF" xlink:to="lab_tve_MaximumInterestCreditPercentageForCashBalanceBenefit_369AE49F13544DC7EB9758C8BE85D6CF" xlink:type="arc" />
    <link:label id="lab_tve_RateOfCashBalanceBenefitCreditForCalendarYear_408F37F839079AF397DB58C8BE857100_terseLabel_en-US" xlink:label="lab_tve_RateOfCashBalanceBenefitCreditForCalendarYear_408F37F839079AF397DB58C8BE857100" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate of cash balance benefit credit for calendar year</link:label>
    <link:label id="lab_tve_RateOfCashBalanceBenefitCreditForCalendarYear_408F37F839079AF397DB58C8BE857100_label_en-US" xlink:label="lab_tve_RateOfCashBalanceBenefitCreditForCalendarYear_408F37F839079AF397DB58C8BE857100" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rate of cash balance benefit credit for calendar year</link:label>
    <link:label id="lab_tve_RateOfCashBalanceBenefitCreditForCalendarYear_408F37F839079AF397DB58C8BE857100_documentation_en-US" xlink:label="lab_tve_RateOfCashBalanceBenefitCreditForCalendarYear_408F37F839079AF397DB58C8BE857100" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of Cash Balance Benefit credit for specific calendar years.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_RateOfCashBalanceBenefitCreditForCalendarYear" xlink:label="loc_tve_RateOfCashBalanceBenefitCreditForCalendarYear_408F37F839079AF397DB58C8BE857100" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_RateOfCashBalanceBenefitCreditForCalendarYear_408F37F839079AF397DB58C8BE857100" xlink:to="lab_tve_RateOfCashBalanceBenefitCreditForCalendarYear_408F37F839079AF397DB58C8BE857100" xlink:type="arc" />
    <link:label id="lab_tve_Numberofdefinedbenefitplaninvestmentfunds_3D15E1D28BAA62311EFD58CEC5B113AE_terseLabel_en-US" xlink:label="lab_tve_Numberofdefinedbenefitplaninvestmentfunds_3D15E1D28BAA62311EFD58CEC5B113AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of defined benefit plan investment funds</link:label>
    <link:label id="lab_tve_Numberofdefinedbenefitplaninvestmentfunds_3D15E1D28BAA62311EFD58CEC5B113AE_label_en-US" xlink:label="lab_tve_Numberofdefinedbenefitplaninvestmentfunds_3D15E1D28BAA62311EFD58CEC5B113AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of defined benefit plan investment funds</link:label>
    <link:label id="lab_tve_Numberofdefinedbenefitplaninvestmentfunds_3D15E1D28BAA62311EFD58CEC5B113AE_documentation_en-US" xlink:label="lab_tve_Numberofdefinedbenefitplaninvestmentfunds_3D15E1D28BAA62311EFD58CEC5B113AE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of defined benefit plan investment funds.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Numberofdefinedbenefitplaninvestmentfunds" xlink:label="loc_tve_Numberofdefinedbenefitplaninvestmentfunds_3D15E1D28BAA62311EFD58CEC5B113AE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_Numberofdefinedbenefitplaninvestmentfunds_3D15E1D28BAA62311EFD58CEC5B113AE" xlink:to="lab_tve_Numberofdefinedbenefitplaninvestmentfunds_3D15E1D28BAA62311EFD58CEC5B113AE" xlink:type="arc" />
    <link:label id="lab_tve_FixedAndVariableFundMaximumAnnualContribution_D5371AFB6CA679615B2458C8BE85845E_terseLabel_en-US" xlink:label="lab_tve_FixedAndVariableFundMaximumAnnualContribution_D5371AFB6CA679615B2458C8BE85845E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed and variable fund annual maximum contribution</link:label>
    <link:label id="lab_tve_FixedAndVariableFundMaximumAnnualContribution_D5371AFB6CA679615B2458C8BE85845E_label_en-US" xlink:label="lab_tve_FixedAndVariableFundMaximumAnnualContribution_D5371AFB6CA679615B2458C8BE85845E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed and variable fund maximum annual contribution</link:label>
    <link:label id="lab_tve_FixedAndVariableFundMaximumAnnualContribution_D5371AFB6CA679615B2458C8BE85845E_documentation_en-US" xlink:label="lab_tve_FixedAndVariableFundMaximumAnnualContribution_D5371AFB6CA679615B2458C8BE85845E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum annual contribution that employees can make to the fixed and variable fund benefit.  The fixed fund benefit is a benefit that earns a specified rate of interest on contributions made by employees.  The variable fund is a benefit that invests employee contributions in the Spartan U.S. Equity Index Fund-Fidelity Advantage Class (Spartan).</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_FixedAndVariableFundMaximumAnnualContribution" xlink:label="loc_tve_FixedAndVariableFundMaximumAnnualContribution_D5371AFB6CA679615B2458C8BE85845E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_FixedAndVariableFundMaximumAnnualContribution_D5371AFB6CA679615B2458C8BE85845E" xlink:to="lab_tve_FixedAndVariableFundMaximumAnnualContribution_D5371AFB6CA679615B2458C8BE85845E" xlink:type="arc" />
    <link:label id="lab_tve_FixedFundBalanceInterestCreditRateAfterJanuary12010_C706F4C1BE16F50E0FA058C8BE85F39E_terseLabel_en-US" xlink:label="lab_tve_FixedFundBalanceInterestCreditRateAfterJanuary12010_C706F4C1BE16F50E0FA058C8BE85F39E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed fund balance interest credits after January 1, 2010</link:label>
    <link:label id="lab_tve_FixedFundBalanceInterestCreditRateAfterJanuary12010_C706F4C1BE16F50E0FA058C8BE85F39E_label_en-US" xlink:label="lab_tve_FixedFundBalanceInterestCreditRateAfterJanuary12010_C706F4C1BE16F50E0FA058C8BE85F39E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed fund balance interest credit rate after January 1, 2010</link:label>
    <link:label id="lab_tve_FixedFundBalanceInterestCreditRateAfterJanuary12010_C706F4C1BE16F50E0FA058C8BE85F39E_documentation_en-US" xlink:label="lab_tve_FixedFundBalanceInterestCreditRateAfterJanuary12010_C706F4C1BE16F50E0FA058C8BE85F39E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The interest rate compared to the actuarial return less 0.5 percent to credit balances in a fixed fund benefit after January 1, 2010.  The lesser of the two interest rates is used to credit the fixed fund balances.  The fixed fund benefit is a benefit that earns a specified rate of interest on employee contributions.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_FixedFundBalanceInterestCreditRateAfterJanuary12010" xlink:label="loc_tve_FixedFundBalanceInterestCreditRateAfterJanuary12010_C706F4C1BE16F50E0FA058C8BE85F39E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_FixedFundBalanceInterestCreditRateAfterJanuary12010_C706F4C1BE16F50E0FA058C8BE85F39E" xlink:to="lab_tve_FixedFundBalanceInterestCreditRateAfterJanuary12010_C706F4C1BE16F50E0FA058C8BE85F39E" xlink:type="arc" />
    <link:label id="lab_tve_FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010_C1CF833444122529580D58C8BE857F94_terseLabel_en-US" xlink:label="lab_tve_FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010_C1CF833444122529580D58C8BE857F94" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed fund balance credit percentage subtracted from the actuarial rate of return after January 1, 2010</link:label>
    <link:label id="lab_tve_FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010_C1CF833444122529580D58C8BE857F94_label_en-US" xlink:label="lab_tve_FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010_C1CF833444122529580D58C8BE857F94" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed fund balance credit percentage subtracted from the actuarial rate of return after January 1, 2010</link:label>
    <link:label id="lab_tve_FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010_C1CF833444122529580D58C8BE857F94_documentation_en-US" xlink:label="lab_tve_FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010_C1CF833444122529580D58C8BE857F94" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The interest rate subtracted from the actuarial return and compared to six percent to credit balances in the fixed fund benefit after January 1, 2010.  The lesser of the two interest rates is used to credit the fixed fund balances.  The fixed fund benefit is a benefit that earns a specified rate of interest on employee contributions.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010" xlink:label="loc_tve_FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010_C1CF833444122529580D58C8BE857F94" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010_C1CF833444122529580D58C8BE857F94" xlink:to="lab_tve_FixedFundBalanceCreditPercentageSubtractedFromActuarialRateOfReturnAfterJanuary12010_C1CF833444122529580D58C8BE857F94" xlink:type="arc" />
    <link:label id="lab_tve_FixedFundInterestCreditRate_DE5DB129B963FF4AEB0B58C8BE854983_terseLabel_en-US" xlink:label="lab_tve_FixedFundInterestCreditRate_DE5DB129B963FF4AEB0B58C8BE854983" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed fund interest credit rate</link:label>
    <link:label id="lab_tve_FixedFundInterestCreditRate_DE5DB129B963FF4AEB0B58C8BE854983_label_en-US" xlink:label="lab_tve_FixedFundInterestCreditRate_DE5DB129B963FF4AEB0B58C8BE854983" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed fund interest credit rate</link:label>
    <link:label id="lab_tve_FixedFundInterestCreditRate_DE5DB129B963FF4AEB0B58C8BE854983_documentation_en-US" xlink:label="lab_tve_FixedFundInterestCreditRate_DE5DB129B963FF4AEB0B58C8BE854983" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The interest rate used to credit balances in the fixed fund benefit.  The fixed fund benefit is a benefit that earns a specified rate of interest on employee contributions.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_FixedFundInterestCreditRate" xlink:label="loc_tve_FixedFundInterestCreditRate_DE5DB129B963FF4AEB0B58C8BE854983" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_FixedFundInterestCreditRate_DE5DB129B963FF4AEB0B58C8BE854983" xlink:to="lab_tve_FixedFundInterestCreditRate_DE5DB129B963FF4AEB0B58C8BE854983" xlink:type="arc" />
    <link:label id="lab_tve_FixedFundInterestCreditAmount_1FA188152D59E4EE768C58C8BE8578A5_terseLabel_en-US" xlink:label="lab_tve_FixedFundInterestCreditAmount_1FA188152D59E4EE768C58C8BE8578A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed fund interest credit amount</link:label>
    <link:label id="lab_tve_FixedFundInterestCreditAmount_1FA188152D59E4EE768C58C8BE8578A5_label_en-US" xlink:label="lab_tve_FixedFundInterestCreditAmount_1FA188152D59E4EE768C58C8BE8578A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed fund interest credit amount</link:label>
    <link:label id="lab_tve_FixedFundInterestCreditAmount_1FA188152D59E4EE768C58C8BE8578A5_documentation_en-US" xlink:label="lab_tve_FixedFundInterestCreditAmount_1FA188152D59E4EE768C58C8BE8578A5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of interest credited to balances in the fixed fund benefit.  The fixed fund benefit is a benefit that earns a specified rate of interest on employee contributions.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_FixedFundInterestCreditAmount" xlink:label="loc_tve_FixedFundInterestCreditAmount_1FA188152D59E4EE768C58C8BE8578A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_FixedFundInterestCreditAmount_1FA188152D59E4EE768C58C8BE8578A5" xlink:to="lab_tve_FixedFundInterestCreditAmount_1FA188152D59E4EE768C58C8BE8578A5" xlink:type="arc" />
    <link:label id="lab_tve_DefinedContributionPlanEmployerMatchingContributionRate_BC297E6EC2664069750358C8BE85499B_terseLabel_en-US" xlink:label="lab_tve_DefinedContributionPlanEmployerMatchingContributionRate_BC297E6EC2664069750358C8BE85499B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined contribution plan employer matching contribution rate</link:label>
    <link:label id="lab_tve_DefinedContributionPlanEmployerMatchingContributionRate_BC297E6EC2664069750358C8BE85499B_label_en-US" xlink:label="lab_tve_DefinedContributionPlanEmployerMatchingContributionRate_BC297E6EC2664069750358C8BE85499B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined contribution plan employer matching contribution rate</link:label>
    <link:label id="lab_tve_DefinedContributionPlanEmployerMatchingContributionRate_BC297E6EC2664069750358C8BE85499B_documentation_en-US" xlink:label="lab_tve_DefinedContributionPlanEmployerMatchingContributionRate_BC297E6EC2664069750358C8BE85499B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount per dollar that an employer matches employee contributions to a defined contribution plan.</link:label>
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    <link:label id="lab_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_333E9C2910E301D110FB58C8BE85E72D_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_333E9C2910E301D110FB58C8BE85E72D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined contribution plan, maximum annual contribution per employee, percent</link:label>
    <link:label id="lab_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_333E9C2910E301D110FB58C8BE85E72D_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_333E9C2910E301D110FB58C8BE85E72D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent</link:label>
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    <link:label id="lab_us-gaap_DefinedContributionPlanCostRecognized_7E852DDDA0004879B5ED58C8BE85D078_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanCostRecognized_7E852DDDA0004879B5ED58C8BE85D078" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined contribution plan contribution amount</link:label>
    <link:label id="lab_us-gaap_DefinedContributionPlanCostRecognized_7E852DDDA0004879B5ED58C8BE85D078_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanCostRecognized_7E852DDDA0004879B5ED58C8BE85D078" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Cost Recognized</link:label>
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    <link:label id="lab_tve_MarketRelatedValuePhaseInPeriodNumberOfYears_FAD02A1A74A6CDFA34A758C8BE851E5A_terseLabel_en-US" xlink:label="lab_tve_MarketRelatedValuePhaseInPeriodNumberOfYears_FAD02A1A74A6CDFA34A758C8BE851E5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market-related value phase-in period number of years</link:label>
    <link:label id="lab_tve_MarketRelatedValuePhaseInPeriodNumberOfYears_FAD02A1A74A6CDFA34A758C8BE851E5A_label_en-US" xlink:label="lab_tve_MarketRelatedValuePhaseInPeriodNumberOfYears_FAD02A1A74A6CDFA34A758C8BE851E5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market-related value phase-in period number of years</link:label>
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    <link:label id="lab_tve_CostOfLivingAdjustmentCap_D2E2E07D5D57B0EF05D658C8BE85CDC9_terseLabel_en-US" xlink:label="lab_tve_CostOfLivingAdjustmentCap_D2E2E07D5D57B0EF05D658C8BE85CDC9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of Living Adjustment Cap</link:label>
    <link:label id="lab_tve_CostOfLivingAdjustmentCap_D2E2E07D5D57B0EF05D658C8BE85CDC9_label_en-US" xlink:label="lab_tve_CostOfLivingAdjustmentCap_D2E2E07D5D57B0EF05D658C8BE85CDC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Living Adjustment Cap</link:label>
    <link:label id="lab_tve_CostOfLivingAdjustmentCap_D2E2E07D5D57B0EF05D658C8BE85CDC9_documentation_en-US" xlink:label="lab_tve_CostOfLivingAdjustmentCap_D2E2E07D5D57B0EF05D658C8BE85CDC9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage cap for of the cost of living adjustment.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CostOfLivingAdjustmentCap" xlink:label="loc_tve_CostOfLivingAdjustmentCap_D2E2E07D5D57B0EF05D658C8BE85CDC9" xlink:type="locator" />
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    <link:label id="lab_tve_CostOfLivingAdjustmentCapForCalendarYear2014AndForward_ED26696E687E763829A458C8BE85B995_terseLabel_en-US" xlink:label="lab_tve_CostOfLivingAdjustmentCapForCalendarYear2014AndForward_ED26696E687E763829A458C8BE85B995" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of living adjustment cap for calendar year 2014 and forward</link:label>
    <link:label id="lab_tve_CostOfLivingAdjustmentCapForCalendarYear2014AndForward_ED26696E687E763829A458C8BE85B995_label_en-US" xlink:label="lab_tve_CostOfLivingAdjustmentCapForCalendarYear2014AndForward_ED26696E687E763829A458C8BE85B995" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Living Adjustment Cap for Calendar Year 2014 and Forward</link:label>
    <link:label id="lab_tve_CostOfLivingAdjustmentCapForCalendarYear2014AndForward_ED26696E687E763829A458C8BE85B995_documentation_en-US" xlink:label="lab_tve_CostOfLivingAdjustmentCapForCalendarYear2014AndForward_ED26696E687E763829A458C8BE85B995" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage cap for of the cost of living adjustment for calendar year 2014 and forward.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CostOfLivingAdjustmentCapForCalendarYear2014AndForward" xlink:label="loc_tve_CostOfLivingAdjustmentCapForCalendarYear2014AndForward_ED26696E687E763829A458C8BE85B995" xlink:type="locator" />
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    <link:label id="lab_tve_CurrencySwapsOutstandingAbstract_002C101303E332DC4B934FE1E3D47396_label_en-US" xlink:label="lab_tve_CurrencySwapsOutstandingAbstract_002C101303E332DC4B934FE1E3D47396" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency Swaps Outstanding [Abstract]</link:label>
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    <link:label id="lab_us-gaap_DerivativeTable_29827030ACDC57B677534FE1E3D49143_label_en-US" xlink:label="lab_us-gaap_DerivativeTable_29827030ACDC57B677534FE1E3D49143" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_29827030ACDC57B677534FE1E3D49143" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DerivativeByNatureAxis_71C5E2EE08AADE1F51694FE1E3D47D9D_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeByNatureAxis_71C5E2EE08AADE1F51694FE1E3D47D9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, by Nature</link:label>
    <link:label id="lab_us-gaap_DerivativeByNatureAxis_71C5E2EE08AADE1F51694FE1E3D47D9D_label_en-US" xlink:label="lab_us-gaap_DerivativeByNatureAxis_71C5E2EE08AADE1F51694FE1E3D47D9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, by Nature [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="loc_us-gaap_DerivativeByNatureAxis_71C5E2EE08AADE1F51694FE1E3D47D9D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DerivativeNameDomain_E54AF3286DD7F96B3A4F4FE1E3D45C54_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNameDomain_E54AF3286DD7F96B3A4F4FE1E3D45C54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, Name</link:label>
    <link:label id="lab_us-gaap_DerivativeNameDomain_E54AF3286DD7F96B3A4F4FE1E3D45C54_label_en-US" xlink:label="lab_us-gaap_DerivativeNameDomain_E54AF3286DD7F96B3A4F4FE1E3D45C54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_E54AF3286DD7F96B3A4F4FE1E3D45C54" xlink:type="locator" />
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    <link:label id="lab_tve_A1999CurrencySwapContractMember_81289AE58ABE8234CC6B4FE1E3D4F67B_terseLabel_en-US" xlink:label="lab_tve_A1999CurrencySwapContractMember_81289AE58ABE8234CC6B4FE1E3D4F67B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1999 Currency Swap Contract</link:label>
    <link:label id="lab_tve_A1999CurrencySwapContractMember_81289AE58ABE8234CC6B4FE1E3D4F67B_label_en-US" xlink:label="lab_tve_A1999CurrencySwapContractMember_81289AE58ABE8234CC6B4FE1E3D4F67B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1999 Currency Swap Contract [Member]</link:label>
    <link:label id="lab_tve_A1999CurrencySwapContractMember_81289AE58ABE8234CC6B4FE1E3D4F67B_documentation_en-US" xlink:label="lab_tve_A1999CurrencySwapContractMember_81289AE58ABE8234CC6B4FE1E3D4F67B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">1999 Currency Swap Contract</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A1999CurrencySwapContractMember" xlink:label="loc_tve_A1999CurrencySwapContractMember_81289AE58ABE8234CC6B4FE1E3D4F67B" xlink:type="locator" />
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    <link:label id="lab_tve_A2001CurrencySwapContractMember_DB691C59A2B5924E80884FE1E3D4CE2D_terseLabel_en-US" xlink:label="lab_tve_A2001CurrencySwapContractMember_DB691C59A2B5924E80884FE1E3D4CE2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2001 Currency Swap Contract</link:label>
    <link:label id="lab_tve_A2001CurrencySwapContractMember_DB691C59A2B5924E80884FE1E3D4CE2D_label_en-US" xlink:label="lab_tve_A2001CurrencySwapContractMember_DB691C59A2B5924E80884FE1E3D4CE2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2001 Currency Swap Contract [Member]</link:label>
    <link:label id="lab_tve_A2001CurrencySwapContractMember_DB691C59A2B5924E80884FE1E3D4CE2D_documentation_en-US" xlink:label="lab_tve_A2001CurrencySwapContractMember_DB691C59A2B5924E80884FE1E3D4CE2D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2001 Currency Swap Contract</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A2001CurrencySwapContractMember" xlink:label="loc_tve_A2001CurrencySwapContractMember_DB691C59A2B5924E80884FE1E3D4CE2D" xlink:type="locator" />
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    <link:label id="lab_tve_A2003CurrencySwapContractMember_5DA6F5847CE5BF3566C34FE1E3D42DB3_terseLabel_en-US" xlink:label="lab_tve_A2003CurrencySwapContractMember_5DA6F5847CE5BF3566C34FE1E3D42DB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2003 Currency Swap Contract</link:label>
    <link:label id="lab_tve_A2003CurrencySwapContractMember_5DA6F5847CE5BF3566C34FE1E3D42DB3_label_en-US" xlink:label="lab_tve_A2003CurrencySwapContractMember_5DA6F5847CE5BF3566C34FE1E3D42DB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2003 Currency Swap Contract [Member]</link:label>
    <link:label id="lab_tve_A2003CurrencySwapContractMember_5DA6F5847CE5BF3566C34FE1E3D42DB3_documentation_en-US" xlink:label="lab_tve_A2003CurrencySwapContractMember_5DA6F5847CE5BF3566C34FE1E3D42DB3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2003 Currency Swap Contract</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A2003CurrencySwapContractMember" xlink:label="loc_tve_A2003CurrencySwapContractMember_5DA6F5847CE5BF3566C34FE1E3D42DB3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DerivativeLineItems_7C6EE3A966ABA7E2DFA14FE1E3D4074B_label_en-US" xlink:label="lab_us-gaap_DerivativeLineItems_7C6EE3A966ABA7E2DFA14FE1E3D4074B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative [Line Items]</link:label>
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    <link:label id="lab_us-gaap_DerivativeFixedInterestRate_D9EA6A21E98D740CB1904FE1E3D40FE8_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFixedInterestRate_D9EA6A21E98D740CB1904FE1E3D40FE8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Overall effective cost to TVA</link:label>
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    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentTable_E24DDE0DDB7AF22F806D4D15DB4CA9E4_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentTable_E24DDE0DDB7AF22F806D4D15DB4CA9E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Obligations</link:label>
    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentTable_E24DDE0DDB7AF22F806D4D15DB4CA9E4_label_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentTable_E24DDE0DDB7AF22F806D4D15DB4CA9E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Purchase Commitment [Table]</link:label>
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    <link:label id="lab_us-gaap_DebtMember_8B4AEC4873DC652C8C974D15DB4C2DD0_terseLabel_en-US" xlink:label="lab_us-gaap_DebtMember_8B4AEC4873DC652C8C974D15DB4C2DD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt</link:label>
    <link:label id="lab_us-gaap_DebtMember_8B4AEC4873DC652C8C974D15DB4C2DD0_label_en-US" xlink:label="lab_us-gaap_DebtMember_8B4AEC4873DC652C8C974D15DB4C2DD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt [Member]</link:label>
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    <link:label id="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_68D88D0F7062E639AAE74D15DB4C6198_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_68D88D0F7062E639AAE74D15DB4C6198" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt of VIEs</link:label>
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    <link:label id="lab_tve_PurchaseObligationsPowerMember_565CC263736BCD12E2634D15DB4C36BF_terseLabel_en-US" xlink:label="lab_tve_PurchaseObligationsPowerMember_565CC263736BCD12E2634D15DB4C36BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Power</link:label>
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    <link:label id="lab_tve_PurchaseObligationsFuelMember_80C808CA8AEFCF46174B4D15DB4CCD82_terseLabel_en-US" xlink:label="lab_tve_PurchaseObligationsFuelMember_80C808CA8AEFCF46174B4D15DB4CCD82" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Fuel</link:label>
    <link:label id="lab_tve_PurchaseObligationsFuelMember_80C808CA8AEFCF46174B4D15DB4CCD82_label_en-US" xlink:label="lab_tve_PurchaseObligationsFuelMember_80C808CA8AEFCF46174B4D15DB4CCD82" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Fuel [Member]</link:label>
    <link:label id="lab_tve_PurchaseObligationsFuelMember_80C808CA8AEFCF46174B4D15DB4CCD82_documentation_en-US" xlink:label="lab_tve_PurchaseObligationsFuelMember_80C808CA8AEFCF46174B4D15DB4CCD82" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Fuel [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PurchaseObligationsFuelMember" xlink:label="loc_tve_PurchaseObligationsFuelMember_80C808CA8AEFCF46174B4D15DB4CCD82" xlink:type="locator" />
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    <link:label id="lab_tve_PurchaseObligationsOtherMember_EE40BBF4B16A90B828E84D15DB4C4561_terseLabel_en-US" xlink:label="lab_tve_PurchaseObligationsOtherMember_EE40BBF4B16A90B828E84D15DB4C4561" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Other</link:label>
    <link:label id="lab_tve_PurchaseObligationsOtherMember_EE40BBF4B16A90B828E84D15DB4C4561_label_en-US" xlink:label="lab_tve_PurchaseObligationsOtherMember_EE40BBF4B16A90B828E84D15DB4C4561" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Other [Member]</link:label>
    <link:label id="lab_tve_PurchaseObligationsOtherMember_EE40BBF4B16A90B828E84D15DB4C4561_documentation_en-US" xlink:label="lab_tve_PurchaseObligationsOtherMember_EE40BBF4B16A90B828E84D15DB4C4561" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Other [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PurchaseObligationsOtherMember" xlink:label="loc_tve_PurchaseObligationsOtherMember_EE40BBF4B16A90B828E84D15DB4C4561" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherDebtSecuritiesMember_A5680DB85D4325566AC64D15DB4C56A3_terseLabel_en-US" xlink:label="lab_us-gaap_OtherDebtSecuritiesMember_A5680DB85D4325566AC64D15DB4C56A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments on Other Financings</link:label>
    <link:label id="lab_us-gaap_OtherDebtSecuritiesMember_A5680DB85D4325566AC64D15DB4C56A3_label_en-US" xlink:label="lab_us-gaap_OtherDebtSecuritiesMember_A5680DB85D4325566AC64D15DB4C56A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Debt Obligations [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherDebtSecuritiesMember" xlink:label="loc_us-gaap_OtherDebtSecuritiesMember_A5680DB85D4325566AC64D15DB4C56A3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ObligationsMember_7DCAF24BD30D24A5E1E54D15DB4C8CF3_terseLabel_en-US" xlink:label="lab_us-gaap_ObligationsMember_7DCAF24BD30D24A5E1E54D15DB4C8CF3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_ObligationsMember_7DCAF24BD30D24A5E1E54D15DB4C8CF3_label_en-US" xlink:label="lab_us-gaap_ObligationsMember_7DCAF24BD30D24A5E1E54D15DB4C8CF3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Obligations [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ObligationsMember" xlink:label="loc_us-gaap_ObligationsMember_7DCAF24BD30D24A5E1E54D15DB4C8CF3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentLineItems_C20C844F8A5D9A09FAD44D15DB4C04F6_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentLineItems_C20C844F8A5D9A09FAD44D15DB4C04F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Obligations</link:label>
    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentLineItems_C20C844F8A5D9A09FAD44D15DB4C04F6_label_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentLineItems_C20C844F8A5D9A09FAD44D15DB4C04F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Purchase Commitment [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermPurchaseCommitmentLineItems" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentLineItems_C20C844F8A5D9A09FAD44D15DB4C04F6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentLineItems_C20C844F8A5D9A09FAD44D15DB4C04F6" xlink:to="lab_us-gaap_LongTermPurchaseCommitmentLineItems_C20C844F8A5D9A09FAD44D15DB4C04F6" xlink:type="arc" />
    <link:label id="lab_tve_PeriodForCommitmentsAndContingenciesShown_C16DFDFD7B157EBD5B094D15DB4C7BFA_periodStartLabel_en-US" xlink:label="lab_tve_PeriodForCommitmentsAndContingenciesShown_C16DFDFD7B157EBD5B094D15DB4C7BFA" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Time period shown for contractual commitments</link:label>
    <link:label id="lab_tve_PeriodForCommitmentsAndContingenciesShown_C16DFDFD7B157EBD5B094D15DB4C7BFA_label_en-US" xlink:label="lab_tve_PeriodForCommitmentsAndContingenciesShown_C16DFDFD7B157EBD5B094D15DB4C7BFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Period for commitments and contingencies shown</link:label>
    <link:label id="lab_tve_PeriodForCommitmentsAndContingenciesShown_C16DFDFD7B157EBD5B094D15DB4C7BFA_documentation_en-US" xlink:label="lab_tve_PeriodForCommitmentsAndContingenciesShown_C16DFDFD7B157EBD5B094D15DB4C7BFA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Period for commitments and contingencies shown</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PeriodForCommitmentsAndContingenciesShown" xlink:label="loc_tve_PeriodForCommitmentsAndContingenciesShown_C16DFDFD7B157EBD5B094D15DB4C7BFA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PeriodForCommitmentsAndContingenciesShown_C16DFDFD7B157EBD5B094D15DB4C7BFA" xlink:to="lab_tve_PeriodForCommitmentsAndContingenciesShown_C16DFDFD7B157EBD5B094D15DB4C7BFA" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_CF1911B1FD1920089BA14D15DB4C5062_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_CF1911B1FD1920089BA14D15DB4C5062" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_CF1911B1FD1920089BA14D15DB4C5062_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_CF1911B1FD1920089BA14D15DB4C5062" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_CF1911B1FD1920089BA14D15DB4C5062" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_CF1911B1FD1920089BA14D15DB4C5062" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_CF1911B1FD1920089BA14D15DB4C5062" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_BDDD22BC6A3231366F8D4D15DB4CCE8B_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_BDDD22BC6A3231366F8D4D15DB4CCE8B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_BDDD22BC6A3231366F8D4D15DB4CCE8B_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_BDDD22BC6A3231366F8D4D15DB4CCE8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_BDDD22BC6A3231366F8D4D15DB4CCE8B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_BDDD22BC6A3231366F8D4D15DB4CCE8B" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_BDDD22BC6A3231366F8D4D15DB4CCE8B" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_687B844168C8D191D6844D15DB4C33FE_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_687B844168C8D191D6844D15DB4C33FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_687B844168C8D191D6844D15DB4C33FE_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_687B844168C8D191D6844D15DB4C33FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_687B844168C8D191D6844D15DB4C33FE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_687B844168C8D191D6844D15DB4C33FE" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_687B844168C8D191D6844D15DB4C33FE" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9DD834603178CAD066C54D15DB4CBBC3_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9DD834603178CAD066C54D15DB4CBBC3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9DD834603178CAD066C54D15DB4CBBC3_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9DD834603178CAD066C54D15DB4CBBC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9DD834603178CAD066C54D15DB4CBBC3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9DD834603178CAD066C54D15DB4CBBC3" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9DD834603178CAD066C54D15DB4CBBC3" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_AF709C56E9927F8A259A4D15DB4C2D81_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_AF709C56E9927F8A259A4D15DB4C2D81" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_AF709C56E9927F8A259A4D15DB4C2D81_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_AF709C56E9927F8A259A4D15DB4C2D81" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_AF709C56E9927F8A259A4D15DB4C2D81" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_AF709C56E9927F8A259A4D15DB4C2D81" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_AF709C56E9927F8A259A4D15DB4C2D81" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_3A1CC42231342A73C6474D15DB4CBC05_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_3A1CC42231342A73C6474D15DB4CBC05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_3A1CC42231342A73C6474D15DB4CBC05_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_3A1CC42231342A73C6474D15DB4CBC05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal after Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_3A1CC42231342A73C6474D15DB4CBC05" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_3A1CC42231342A73C6474D15DB4CBC05" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_3A1CC42231342A73C6474D15DB4CBC05" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebt_0412EF21398AFB33CFBB4D15DB4CA0D4_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_0412EF21398AFB33CFBB4D15DB4CA0D4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_LongTermDebt_0412EF21398AFB33CFBB4D15DB4CA0D4_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_0412EF21398AFB33CFBB4D15DB4CA0D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_0412EF21398AFB33CFBB4D15DB4CA0D4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_54877402C0F0E2891FD64D15DB4C31E2_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_54877402C0F0E2891FD64D15DB4C31E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_54877402C0F0E2891FD64D15DB4C31E2_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_54877402C0F0E2891FD64D15DB4C31E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due, Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_54877402C0F0E2891FD64D15DB4C31E2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_54877402C0F0E2891FD64D15DB4C31E2" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_54877402C0F0E2891FD64D15DB4C31E2" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1A9F68F80AB9FE4A53414D15DB4C93A5_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1A9F68F80AB9FE4A53414D15DB4C93A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1A9F68F80AB9FE4A53414D15DB4C93A5_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1A9F68F80AB9FE4A53414D15DB4C93A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Two Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1A9F68F80AB9FE4A53414D15DB4C93A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1A9F68F80AB9FE4A53414D15DB4C93A5" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_1A9F68F80AB9FE4A53414D15DB4C93A5" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_29484CDA727FDE97B0DA4D15DB4C3211_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_29484CDA727FDE97B0DA4D15DB4C3211" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_29484CDA727FDE97B0DA4D15DB4C3211_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_29484CDA727FDE97B0DA4D15DB4C3211" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Three Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_29484CDA727FDE97B0DA4D15DB4C3211" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_29484CDA727FDE97B0DA4D15DB4C3211" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_29484CDA727FDE97B0DA4D15DB4C3211" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_1F649CA37869F4F8464F4D15DB4CF6D1_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_1F649CA37869F4F8464F4D15DB4CF6D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_1F649CA37869F4F8464F4D15DB4CF6D1_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_1F649CA37869F4F8464F4D15DB4CF6D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Four Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_1F649CA37869F4F8464F4D15DB4CF6D1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_1F649CA37869F4F8464F4D15DB4CF6D1" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_1F649CA37869F4F8464F4D15DB4CF6D1" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_0FBDB48C0E4FD1C2851E4D15DB4C454A_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_0FBDB48C0E4FD1C2851E4D15DB4C454A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_0FBDB48C0E4FD1C2851E4D15DB4C454A_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_0FBDB48C0E4FD1C2851E4D15DB4C454A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Five Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_0FBDB48C0E4FD1C2851E4D15DB4C454A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_0FBDB48C0E4FD1C2851E4D15DB4C454A" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_0FBDB48C0E4FD1C2851E4D15DB4C454A" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_5CD14DD980EA88212B054D15DB4CE42C_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_5CD14DD980EA88212B054D15DB4CE42C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_5CD14DD980EA88212B054D15DB4CE42C_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_5CD14DD980EA88212B054D15DB4CE42C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due Thereafter</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_5CD14DD980EA88212B054D15DB4CE42C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_5CD14DD980EA88212B054D15DB4CE42C" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_5CD14DD980EA88212B054D15DB4CE42C" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2C2F3BC68F5CC2C530E24D15DB4C9D92_totalLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2C2F3BC68F5CC2C530E24D15DB4C9D92" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2C2F3BC68F5CC2C530E24D15DB4C9D92_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2C2F3BC68F5CC2C530E24D15DB4C9D92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2C2F3BC68F5CC2C530E24D15DB4C9D92" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2C2F3BC68F5CC2C530E24D15DB4C9D92" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_2C2F3BC68F5CC2C530E24D15DB4C9D92" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_9C7F0686B9A00A7A617A4D15DB5CD3ED_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_9C7F0686B9A00A7A617A4D15DB5CD3ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_9C7F0686B9A00A7A617A4D15DB5CD3ED_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_9C7F0686B9A00A7A617A4D15DB5CD3ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_9C7F0686B9A00A7A617A4D15DB5CD3ED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_9C7F0686B9A00A7A617A4D15DB5CD3ED" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_9C7F0686B9A00A7A617A4D15DB5CD3ED" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_6A5EB6B0505670A2E77D4D15DB5C8B9D_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_6A5EB6B0505670A2E77D4D15DB5C8B9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_6A5EB6B0505670A2E77D4D15DB5C8B9D_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_6A5EB6B0505670A2E77D4D15DB5C8B9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Two Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_6A5EB6B0505670A2E77D4D15DB5C8B9D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_6A5EB6B0505670A2E77D4D15DB5C8B9D" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_6A5EB6B0505670A2E77D4D15DB5C8B9D" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_4CBCBB4EC117A9392BEC4D15DB5CECE5_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_4CBCBB4EC117A9392BEC4D15DB5CECE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_4CBCBB4EC117A9392BEC4D15DB5CECE5_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_4CBCBB4EC117A9392BEC4D15DB5CECE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Three Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_4CBCBB4EC117A9392BEC4D15DB5CECE5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_4CBCBB4EC117A9392BEC4D15DB5CECE5" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_4CBCBB4EC117A9392BEC4D15DB5CECE5" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71E6435F8595B6E245844D15DB5C5437_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71E6435F8595B6E245844D15DB5C5437" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71E6435F8595B6E245844D15DB5C5437_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71E6435F8595B6E245844D15DB5C5437" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Four Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71E6435F8595B6E245844D15DB5C5437" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71E6435F8595B6E245844D15DB5C5437" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_71E6435F8595B6E245844D15DB5C5437" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_70B700D1034E71DE80134D15DB5C68FC_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_70B700D1034E71DE80134D15DB5C68FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_70B700D1034E71DE80134D15DB5C68FC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_70B700D1034E71DE80134D15DB5C68FC" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_70B700D1034E71DE80134D15DB5C68FC" xlink:type="arc" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_E8AC0CC0EFA1F58DBFDF4D15DB5C6BBF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_3E9B3D04B8AC1436D1B34D15DB5CBD42_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_3E9B3D04B8AC1436D1B34D15DB5CBD42" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_3E9B3D04B8AC1436D1B34D15DB5CBD42_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_3E9B3D04B8AC1436D1B34D15DB5CBD42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligation, Due in Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths" xlink:label="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_3E9B3D04B8AC1436D1B34D15DB5CBD42" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_3E9B3D04B8AC1436D1B34D15DB5CBD42" xlink:to="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_3E9B3D04B8AC1436D1B34D15DB5CBD42" xlink:type="arc" />
    <link:label id="lab_us-gaap_PurchaseObligationDueInSecondYear_0A3FE68ACDEC784B29934D15DB5C0982_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInSecondYear_0A3FE68ACDEC784B29934D15DB5C0982" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_PurchaseObligationDueInSecondYear_0A3FE68ACDEC784B29934D15DB5C0982_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInSecondYear_0A3FE68ACDEC784B29934D15DB5C0982" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligation, Due in Second Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PurchaseObligationDueInSecondYear" xlink:label="loc_us-gaap_PurchaseObligationDueInSecondYear_0A3FE68ACDEC784B29934D15DB5C0982" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInSecondYear_0A3FE68ACDEC784B29934D15DB5C0982" xlink:to="lab_us-gaap_PurchaseObligationDueInSecondYear_0A3FE68ACDEC784B29934D15DB5C0982" xlink:type="arc" />
    <link:label id="lab_us-gaap_PurchaseObligationDueInThirdYear_14A2C9A275EE5D2CFFDA4D15DB5C689E_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInThirdYear_14A2C9A275EE5D2CFFDA4D15DB5C689E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_PurchaseObligationDueInThirdYear_14A2C9A275EE5D2CFFDA4D15DB5C689E_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInThirdYear_14A2C9A275EE5D2CFFDA4D15DB5C689E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligation, Due in Third Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PurchaseObligationDueInThirdYear" xlink:label="loc_us-gaap_PurchaseObligationDueInThirdYear_14A2C9A275EE5D2CFFDA4D15DB5C689E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInThirdYear_14A2C9A275EE5D2CFFDA4D15DB5C689E" xlink:to="lab_us-gaap_PurchaseObligationDueInThirdYear_14A2C9A275EE5D2CFFDA4D15DB5C689E" xlink:type="arc" />
    <link:label id="lab_us-gaap_PurchaseObligationDueInFourthYear_7A326107CA2D1EF1287C4D15DB5CEE69_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFourthYear_7A326107CA2D1EF1287C4D15DB5CEE69" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
    <link:label id="lab_us-gaap_PurchaseObligationDueInFourthYear_7A326107CA2D1EF1287C4D15DB5CEE69_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFourthYear_7A326107CA2D1EF1287C4D15DB5CEE69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligation, Due in Fourth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PurchaseObligationDueInFourthYear" xlink:label="loc_us-gaap_PurchaseObligationDueInFourthYear_7A326107CA2D1EF1287C4D15DB5CEE69" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInFourthYear_7A326107CA2D1EF1287C4D15DB5CEE69" xlink:to="lab_us-gaap_PurchaseObligationDueInFourthYear_7A326107CA2D1EF1287C4D15DB5CEE69" xlink:type="arc" />
    <link:label id="lab_us-gaap_PurchaseObligationDueInFifthYear_FED91ED1B74500C4C95B4D15DB5CA20F_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFifthYear_FED91ED1B74500C4C95B4D15DB5CA20F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
    <link:label id="lab_us-gaap_PurchaseObligationDueInFifthYear_FED91ED1B74500C4C95B4D15DB5CA20F_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFifthYear_FED91ED1B74500C4C95B4D15DB5CA20F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligation, Due in Fifth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PurchaseObligationDueInFifthYear" xlink:label="loc_us-gaap_PurchaseObligationDueInFifthYear_FED91ED1B74500C4C95B4D15DB5CA20F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInFifthYear_FED91ED1B74500C4C95B4D15DB5CA20F" xlink:to="lab_us-gaap_PurchaseObligationDueInFifthYear_FED91ED1B74500C4C95B4D15DB5CA20F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PurchaseObligationDueAfterFifthYear_17496700F8E0493EF0594D15DB5CC366_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueAfterFifthYear_17496700F8E0493EF0594D15DB5CC366" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_PurchaseObligationDueAfterFifthYear_17496700F8E0493EF0594D15DB5CC366_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueAfterFifthYear_17496700F8E0493EF0594D15DB5CC366" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligation, Due after Fifth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PurchaseObligationDueAfterFifthYear" xlink:label="loc_us-gaap_PurchaseObligationDueAfterFifthYear_17496700F8E0493EF0594D15DB5CC366" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PurchaseObligation_10E52E331C4C5D50DC674D15DB5CF483_totalLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligation_10E52E331C4C5D50DC674D15DB5CF483" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_PurchaseObligation_10E52E331C4C5D50DC674D15DB5CF483_label_en-US" xlink:label="lab_us-gaap_PurchaseObligation_10E52E331C4C5D50DC674D15DB5CF483" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PurchaseObligation" xlink:label="loc_us-gaap_PurchaseObligation_10E52E331C4C5D50DC674D15DB5CF483" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligation_10E52E331C4C5D50DC674D15DB5CF483" xlink:to="lab_us-gaap_PurchaseObligation_10E52E331C4C5D50DC674D15DB5CF483" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_1F19FEBD9DC45E7D18BE4D15DB5CACC6_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_1F19FEBD9DC45E7D18BE4D15DB5CACC6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_1F19FEBD9DC45E7D18BE4D15DB5CACC6_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_1F19FEBD9DC45E7D18BE4D15DB5CACC6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherCommitmentDueInNextTwelveMonths" xlink:label="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_1F19FEBD9DC45E7D18BE4D15DB5CACC6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_1F19FEBD9DC45E7D18BE4D15DB5CACC6" xlink:to="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_1F19FEBD9DC45E7D18BE4D15DB5CACC6" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCommitmentDueInSecondYear_AD56BC7D434E2CA114A84D15DB5C2A96_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInSecondYear_AD56BC7D434E2CA114A84D15DB5C2A96" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueInSecondYear_AD56BC7D434E2CA114A84D15DB5C2A96_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInSecondYear_AD56BC7D434E2CA114A84D15DB5C2A96" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Second Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherCommitmentDueInSecondYear" xlink:label="loc_us-gaap_OtherCommitmentDueInSecondYear_AD56BC7D434E2CA114A84D15DB5C2A96" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitmentDueInSecondYear_AD56BC7D434E2CA114A84D15DB5C2A96" xlink:to="lab_us-gaap_OtherCommitmentDueInSecondYear_AD56BC7D434E2CA114A84D15DB5C2A96" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCommitmentDueInThirdYear_8AEF162CF82DEA84FF8D4D15DB5CEEC1_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInThirdYear_8AEF162CF82DEA84FF8D4D15DB5CEEC1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueInThirdYear_8AEF162CF82DEA84FF8D4D15DB5CEEC1_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInThirdYear_8AEF162CF82DEA84FF8D4D15DB5CEEC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Third Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherCommitmentDueInThirdYear" xlink:label="loc_us-gaap_OtherCommitmentDueInThirdYear_8AEF162CF82DEA84FF8D4D15DB5CEEC1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitmentDueInThirdYear_8AEF162CF82DEA84FF8D4D15DB5CEEC1" xlink:to="lab_us-gaap_OtherCommitmentDueInThirdYear_8AEF162CF82DEA84FF8D4D15DB5CEEC1" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCommitmentDueInFourthYear_28538740145F79C6B0264D15DB5CB709_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInFourthYear_28538740145F79C6B0264D15DB5CB709" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueInFourthYear_28538740145F79C6B0264D15DB5CB709_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInFourthYear_28538740145F79C6B0264D15DB5CB709" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Fourth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherCommitmentDueInFourthYear" xlink:label="loc_us-gaap_OtherCommitmentDueInFourthYear_28538740145F79C6B0264D15DB5CB709" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherCommitmentDueInFifthYear_2338974C83116D4047364D15DB5CF6FE_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInFifthYear_2338974C83116D4047364D15DB5CF6FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
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    <link:label id="lab_us-gaap_OtherCommitment_06623EC080B1A57E86D14D15DB5C4D01_totalLabel_en-US" xlink:label="lab_us-gaap_OtherCommitment_06623EC080B1A57E86D14D15DB5C4D01" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_OtherCommitment_06623EC080B1A57E86D14D15DB5C4D01_label_en-US" xlink:label="lab_us-gaap_OtherCommitment_06623EC080B1A57E86D14D15DB5C4D01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherCommitment" xlink:label="loc_us-gaap_OtherCommitment_06623EC080B1A57E86D14D15DB5C4D01" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitment_06623EC080B1A57E86D14D15DB5C4D01" xlink:to="lab_us-gaap_OtherCommitment_06623EC080B1A57E86D14D15DB5C4D01" xlink:type="arc" />
    <link:label id="lab_us-gaap_ContractualObligationDueInNextTwelveMonths_944B2C46399F2BEDE4B74D15DB5CADFB_terseLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInNextTwelveMonths_944B2C46399F2BEDE4B74D15DB5CADFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
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    <link:label id="lab_tve_AmountToPayCivilPenalties_B6F3FA44DE1FB2F3E7055D3FCB6DE360_terseLabel_en-US" xlink:label="lab_tve_AmountToPayCivilPenalties_B6F3FA44DE1FB2F3E7055D3FCB6DE360" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount to pay civil penalties</link:label>
    <link:label id="lab_tve_AmountToPayCivilPenalties_B6F3FA44DE1FB2F3E7055D3FCB6DE360_label_en-US" xlink:label="lab_tve_AmountToPayCivilPenalties_B6F3FA44DE1FB2F3E7055D3FCB6DE360" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount to pay civil penalties</link:label>
    <link:label id="lab_tve_AmountToPayCivilPenalties_B6F3FA44DE1FB2F3E7055D3FCB6DE360_documentation_en-US" xlink:label="lab_tve_AmountToPayCivilPenalties_B6F3FA44DE1FB2F3E7055D3FCB6DE360" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount to pay civil penalties</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AmountToPayCivilPenalties" xlink:label="loc_tve_AmountToPayCivilPenalties_B6F3FA44DE1FB2F3E7055D3FCB6DE360" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_AmountToPayCivilPenalties_B6F3FA44DE1FB2F3E7055D3FCB6DE360" xlink:to="lab_tve_AmountToPayCivilPenalties_B6F3FA44DE1FB2F3E7055D3FCB6DE360" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfLawsuitsFiled_A50CFF247DCFBFAC60355D3FCB7D6267_terseLabel_en-US" xlink:label="lab_tve_NumberOfLawsuitsFiled_A50CFF247DCFBFAC60355D3FCB7D6267" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of lawsuits filed</link:label>
    <link:label id="lab_tve_NumberOfLawsuitsFiled_A50CFF247DCFBFAC60355D3FCB7D6267_label_en-US" xlink:label="lab_tve_NumberOfLawsuitsFiled_A50CFF247DCFBFAC60355D3FCB7D6267" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of lawsuits filed</link:label>
    <link:label id="lab_tve_NumberOfLawsuitsFiled_A50CFF247DCFBFAC60355D3FCB7D6267_documentation_en-US" xlink:label="lab_tve_NumberOfLawsuitsFiled_A50CFF247DCFBFAC60355D3FCB7D6267" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of lawsuits filed</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfLawsuitsFiled" xlink:label="loc_tve_NumberOfLawsuitsFiled_A50CFF247DCFBFAC60355D3FCB7D6267" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfLawsuitsFiled_A50CFF247DCFBFAC60355D3FCB7D6267" xlink:to="lab_tve_NumberOfLawsuitsFiled_A50CFF247DCFBFAC60355D3FCB7D6267" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfLawsuitsDismissed_8CE54DE5055906E123FE5D3FCB7D7D1B_terseLabel_en-US" xlink:label="lab_tve_NumberOfLawsuitsDismissed_8CE54DE5055906E123FE5D3FCB7D7D1B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of lawsuits dismissed</link:label>
    <link:label id="lab_tve_NumberOfLawsuitsDismissed_8CE54DE5055906E123FE5D3FCB7D7D1B_label_en-US" xlink:label="lab_tve_NumberOfLawsuitsDismissed_8CE54DE5055906E123FE5D3FCB7D7D1B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of lawsuits dismissed</link:label>
    <link:label id="lab_tve_NumberOfLawsuitsDismissed_8CE54DE5055906E123FE5D3FCB7D7D1B_documentation_en-US" xlink:label="lab_tve_NumberOfLawsuitsDismissed_8CE54DE5055906E123FE5D3FCB7D7D1B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of lawsuits dismissed</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfLawsuitsDismissed" xlink:label="loc_tve_NumberOfLawsuitsDismissed_8CE54DE5055906E123FE5D3FCB7D7D1B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfLawsuitsDismissed_8CE54DE5055906E123FE5D3FCB7D7D1B" xlink:to="lab_tve_NumberOfLawsuitsDismissed_8CE54DE5055906E123FE5D3FCB7D7D1B" xlink:type="arc" />
    <link:label id="lab_us-gaap_LossContingencyPendingClaimsNumber_4AAC566BCB40D465A6405D3FCB7DD12B_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyPendingClaimsNumber_4AAC566BCB40D465A6405D3FCB7DD12B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of active lawsuits</link:label>
    <link:label id="lab_us-gaap_LossContingencyPendingClaimsNumber_4AAC566BCB40D465A6405D3FCB7DD12B_label_en-US" xlink:label="lab_us-gaap_LossContingencyPendingClaimsNumber_4AAC566BCB40D465A6405D3FCB7DD12B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency, Pending Claims, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LossContingencyPendingClaimsNumber" xlink:label="loc_us-gaap_LossContingencyPendingClaimsNumber_4AAC566BCB40D465A6405D3FCB7DD12B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyPendingClaimsNumber_4AAC566BCB40D465A6405D3FCB7DD12B" xlink:to="lab_us-gaap_LossContingencyPendingClaimsNumber_4AAC566BCB40D465A6405D3FCB7DD12B" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfCasesThatReceivedBenchTrial_2B072D281AF5718B7D545D3FCB7DC4F5_terseLabel_en-US" xlink:label="lab_tve_NumberOfCasesThatReceivedBenchTrial_2B072D281AF5718B7D545D3FCB7DC4F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of cases that received a bench trial</link:label>
    <link:label id="lab_tve_NumberOfCasesThatReceivedBenchTrial_2B072D281AF5718B7D545D3FCB7DC4F5_label_en-US" xlink:label="lab_tve_NumberOfCasesThatReceivedBenchTrial_2B072D281AF5718B7D545D3FCB7DC4F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of cases that received a bench trial</link:label>
    <link:label id="lab_tve_NumberOfCasesThatReceivedBenchTrial_2B072D281AF5718B7D545D3FCB7DC4F5_documentation_en-US" xlink:label="lab_tve_NumberOfCasesThatReceivedBenchTrial_2B072D281AF5718B7D545D3FCB7DC4F5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of cases related to the Kingston Ash Spill that received a bench trial on the issue of dike failure causation.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfCasesThatReceivedBenchTrial" xlink:label="loc_tve_NumberOfCasesThatReceivedBenchTrial_2B072D281AF5718B7D545D3FCB7DC4F5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfCasesThatReceivedBenchTrial_2B072D281AF5718B7D545D3FCB7DC4F5" xlink:to="lab_tve_NumberOfCasesThatReceivedBenchTrial_2B072D281AF5718B7D545D3FCB7DC4F5" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfRemainingCases_851F037BF65794C29CDD5D3FCB7D15A2_terseLabel_en-US" xlink:label="lab_tve_NumberOfRemainingCases_851F037BF65794C29CDD5D3FCB7D15A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of remaining cases</link:label>
    <link:label id="lab_tve_NumberOfRemainingCases_851F037BF65794C29CDD5D3FCB7D15A2_label_en-US" xlink:label="lab_tve_NumberOfRemainingCases_851F037BF65794C29CDD5D3FCB7D15A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of remaining cases</link:label>
    <link:label id="lab_tve_NumberOfRemainingCases_851F037BF65794C29CDD5D3FCB7D15A2_documentation_en-US" xlink:label="lab_tve_NumberOfRemainingCases_851F037BF65794C29CDD5D3FCB7D15A2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The remaining number of cases related to the Kingston Ash Spill that are still open.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfRemainingCases" xlink:label="loc_tve_NumberOfRemainingCases_851F037BF65794C29CDD5D3FCB7D15A2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfRemainingCases_851F037BF65794C29CDD5D3FCB7D15A2" xlink:to="lab_tve_NumberOfRemainingCases_851F037BF65794C29CDD5D3FCB7D15A2" xlink:type="arc" />
    <link:label id="lab_tve_LengthOfTimeToCompleteMediation_E8447F805392FE8EA8215D3FCB7D9103_terseLabel_en-US" xlink:label="lab_tve_LengthOfTimeToCompleteMediation_E8447F805392FE8EA8215D3FCB7D9103" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Length of time to complete mediation</link:label>
    <link:label id="lab_tve_LengthOfTimeToCompleteMediation_E8447F805392FE8EA8215D3FCB7D9103_label_en-US" xlink:label="lab_tve_LengthOfTimeToCompleteMediation_E8447F805392FE8EA8215D3FCB7D9103" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Length of time to complete mediation</link:label>
    <link:label id="lab_tve_LengthOfTimeToCompleteMediation_E8447F805392FE8EA8215D3FCB7D9103_documentation_en-US" xlink:label="lab_tve_LengthOfTimeToCompleteMediation_E8447F805392FE8EA8215D3FCB7D9103" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The length of time given to complete mediation.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_LengthOfTimeToCompleteMediation" xlink:label="loc_tve_LengthOfTimeToCompleteMediation_E8447F805392FE8EA8215D3FCB7D9103" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_LengthOfTimeToCompleteMediation_E8447F805392FE8EA8215D3FCB7D9103" xlink:to="lab_tve_LengthOfTimeToCompleteMediation_E8447F805392FE8EA8215D3FCB7D9103" xlink:type="arc" />
    <link:label id="lab_tve_Numberoftimesmediationextended_89D9785A708E1D4B0D075D3FCB7DA2D6_terseLabel_en-US" xlink:label="lab_tve_Numberoftimesmediationextended_89D9785A708E1D4B0D075D3FCB7DA2D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of times mediation extended</link:label>
    <link:label id="lab_tve_Numberoftimesmediationextended_89D9785A708E1D4B0D075D3FCB7DA2D6_label_en-US" xlink:label="lab_tve_Numberoftimesmediationextended_89D9785A708E1D4B0D075D3FCB7DA2D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of times mediation extended</link:label>
    <link:label id="lab_tve_Numberoftimesmediationextended_89D9785A708E1D4B0D075D3FCB7DA2D6_documentation_en-US" xlink:label="lab_tve_Numberoftimesmediationextended_89D9785A708E1D4B0D075D3FCB7DA2D6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of times mediation has been extended.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Numberoftimesmediationextended" xlink:label="loc_tve_Numberoftimesmediationextended_89D9785A708E1D4B0D075D3FCB7DA2D6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_Numberoftimesmediationextended_89D9785A708E1D4B0D075D3FCB7DA2D6" xlink:to="lab_tve_Numberoftimesmediationextended_89D9785A708E1D4B0D075D3FCB7DA2D6" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes_DC6B430020F2401A36E45D3FCB7D1425_terseLabel_en-US" xlink:label="lab_tve_NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes_DC6B430020F2401A36E45D3FCB7D1425" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of lawsuits filed under various environmental statutes</link:label>
    <link:label id="lab_tve_NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes_DC6B430020F2401A36E45D3FCB7D1425_label_en-US" xlink:label="lab_tve_NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes_DC6B430020F2401A36E45D3FCB7D1425" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of lawsuits filed under various environmental statutes</link:label>
    <link:label id="lab_tve_NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes_DC6B430020F2401A36E45D3FCB7D1425_documentation_en-US" xlink:label="lab_tve_NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes_DC6B430020F2401A36E45D3FCB7D1425" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of lawsuits filed by individuals and environmental groups under various environmental statutes.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes" xlink:label="loc_tve_NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes_DC6B430020F2401A36E45D3FCB7D1425" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes_DC6B430020F2401A36E45D3FCB7D1425" xlink:to="lab_tve_NumberOfLawsuitsFiledUnderVariousEnvironmentalStatutes_DC6B430020F2401A36E45D3FCB7D1425" xlink:type="arc" />
    <link:label id="lab_tve_CivilPenaltyOrderIssuedJune12010_78E37D723C5DE1F65CC85D3FCB7D0564_terseLabel_en-US" xlink:label="lab_tve_CivilPenaltyOrderIssuedJune12010_78E37D723C5DE1F65CC85D3FCB7D0564" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Civil penalty order issued June 1, 2010</link:label>
    <link:label id="lab_tve_CivilPenaltyOrderIssuedJune12010_78E37D723C5DE1F65CC85D3FCB7D0564_label_en-US" xlink:label="lab_tve_CivilPenaltyOrderIssuedJune12010_78E37D723C5DE1F65CC85D3FCB7D0564" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Civil penalty order issued June 1, 2010</link:label>
    <link:label id="lab_tve_CivilPenaltyOrderIssuedJune12010_78E37D723C5DE1F65CC85D3FCB7D0564_documentation_en-US" xlink:label="lab_tve_CivilPenaltyOrderIssuedJune12010_78E37D723C5DE1F65CC85D3FCB7D0564" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Civil penalty order issued by TDEC for the Kingston ash spill citing violations of the Tennessee Solid Waste Disposal Act and the Tennessee Water Control Quality Act.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CivilPenaltyOrderIssuedJune12010" xlink:label="loc_tve_CivilPenaltyOrderIssuedJune12010_78E37D723C5DE1F65CC85D3FCB7D0564" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_CivilPenaltyOrderIssuedJune12010_78E37D723C5DE1F65CC85D3FCB7D0564" xlink:to="lab_tve_CivilPenaltyOrderIssuedJune12010_78E37D723C5DE1F65CC85D3FCB7D0564" xlink:type="arc" />
    <link:label id="lab_tve_AmountOfCivilPenaltyOrderSatisfied_A0C2B450BD934A61DEE75D3FCB7DB34C_terseLabel_en-US" xlink:label="lab_tve_AmountOfCivilPenaltyOrderSatisfied_A0C2B450BD934A61DEE75D3FCB7DB34C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of civil penalty order satisfied</link:label>
    <link:label id="lab_tve_AmountOfCivilPenaltyOrderSatisfied_A0C2B450BD934A61DEE75D3FCB7DB34C_label_en-US" xlink:label="lab_tve_AmountOfCivilPenaltyOrderSatisfied_A0C2B450BD934A61DEE75D3FCB7DB34C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount of civil penalty order satisfied</link:label>
    <link:label id="lab_tve_AmountOfCivilPenaltyOrderSatisfied_A0C2B450BD934A61DEE75D3FCB7DB34C_documentation_en-US" xlink:label="lab_tve_AmountOfCivilPenaltyOrderSatisfied_A0C2B450BD934A61DEE75D3FCB7DB34C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of the civil penalty order that has been satisfied.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AmountOfCivilPenaltyOrderSatisfied" xlink:label="loc_tve_AmountOfCivilPenaltyOrderSatisfied_A0C2B450BD934A61DEE75D3FCB7DB34C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_AmountOfCivilPenaltyOrderSatisfied_A0C2B450BD934A61DEE75D3FCB7DB34C" xlink:to="lab_tve_AmountOfCivilPenaltyOrderSatisfied_A0C2B450BD934A61DEE75D3FCB7DB34C" xlink:type="arc" />
    <link:label id="lab_tve_CreditAgainstCivilPenaltyOrder_BD32018C6D09EFBC2CD65D3FCB7D8E95_terseLabel_en-US" xlink:label="lab_tve_CreditAgainstCivilPenaltyOrder_BD32018C6D09EFBC2CD65D3FCB7D8E95" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit against civil penalty order</link:label>
    <link:label id="lab_tve_CreditAgainstCivilPenaltyOrder_BD32018C6D09EFBC2CD65D3FCB7D8E95_label_en-US" xlink:label="lab_tve_CreditAgainstCivilPenaltyOrder_BD32018C6D09EFBC2CD65D3FCB7D8E95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit against civil penalty order</link:label>
    <link:label id="lab_tve_CreditAgainstCivilPenaltyOrder_BD32018C6D09EFBC2CD65D3FCB7D8E95_documentation_en-US" xlink:label="lab_tve_CreditAgainstCivilPenaltyOrder_BD32018C6D09EFBC2CD65D3FCB7D8E95" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of credit against the civil penalty order that was received for environmental projects.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CreditAgainstCivilPenaltyOrder" xlink:label="loc_tve_CreditAgainstCivilPenaltyOrder_BD32018C6D09EFBC2CD65D3FCB7D8E95" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_CreditAgainstCivilPenaltyOrder_BD32018C6D09EFBC2CD65D3FCB7D8E95" xlink:to="lab_tve_CreditAgainstCivilPenaltyOrder_BD32018C6D09EFBC2CD65D3FCB7D8E95" xlink:type="arc" />
    <link:label id="lab_tve_DownPaymentOnNaturalResourceDamages_1313954126B071DDAE985D3FCB7DABD4_terseLabel_en-US" xlink:label="lab_tve_DownPaymentOnNaturalResourceDamages_1313954126B071DDAE985D3FCB7DABD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Down payment on natural resource damages</link:label>
    <link:label id="lab_tve_DownPaymentOnNaturalResourceDamages_1313954126B071DDAE985D3FCB7DABD4_label_en-US" xlink:label="lab_tve_DownPaymentOnNaturalResourceDamages_1313954126B071DDAE985D3FCB7DABD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Down payment on natural resource damages</link:label>
    <link:label id="lab_tve_DownPaymentOnNaturalResourceDamages_1313954126B071DDAE985D3FCB7DABD4_documentation_en-US" xlink:label="lab_tve_DownPaymentOnNaturalResourceDamages_1313954126B071DDAE985D3FCB7DABD4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A down payment on natural resource damages paid each year for three years.</link:label>
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    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfContentionsRemaining" xlink:label="loc_tve_NumberOfContentionsRemaining_D13478544B4A33BE74685D3FCB7D66DF" xlink:type="locator" />
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    <link:loc xlink:href="tve-20130930.xsd#tve_PaymentrelatedtocaseinvolvingColbertFossilPlant" xlink:label="loc_tve_PaymentrelatedtocaseinvolvingColbertFossilPlant_E25E022AA502123D5FFD5D3FCB7D7060" xlink:type="locator" />
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    <link:label id="lab_tve_NumberOfSeparatePetitionsFiledByNaturalResourcesDefenseCouncil_439937A8AEFF465E9D495D3FCB7D1930_terseLabel_en-US" xlink:label="lab_tve_NumberOfSeparatePetitionsFiledByNaturalResourcesDefenseCouncil_439937A8AEFF465E9D495D3FCB7D1930" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of separate petitions filed by the Natural Resources Defense Council</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsRollingYearFive_D0DF01E5FCDB9F33D6FD4FE1E29B544D_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsRollingYearFive_D0DF01E5FCDB9F33D6FD4FE1E29B544D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payments, Rolling Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsRollingYearFive" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsRollingYearFive_D0DF01E5FCDB9F33D6FD4FE1E29B544D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveRollingYearsThereafter_61CDF4E7B1B03C6D4E854FE1E29B4C99_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveRollingYearsThereafter_61CDF4E7B1B03C6D4E854FE1E29B4C99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveRollingYearsThereafter_61CDF4E7B1B03C6D4E854FE1E29B4C99_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveRollingYearsThereafter_61CDF4E7B1B03C6D4E854FE1E29B4C99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payments, Five Rolling Years Thereafter</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_E7496DCA642B1E05434833D627DAAB00" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CurrencySwapMember_DEB51EEE7E9483BB67F333D627EAF631_terseLabel_en-US" xlink:label="lab_us-gaap_CurrencySwapMember_DEB51EEE7E9483BB67F333D627EAF631" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">200 million Sterling currency swap</link:label>
    <link:label id="lab_us-gaap_CurrencySwapMember_DEB51EEE7E9483BB67F333D627EAF631_label_en-US" xlink:label="lab_us-gaap_CurrencySwapMember_DEB51EEE7E9483BB67F333D627EAF631" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency Swap [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CurrencySwapMember" xlink:label="loc_us-gaap_CurrencySwapMember_DEB51EEE7E9483BB67F333D627EAF631" xlink:type="locator" />
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    <link:label id="lab_tve_A250MillionSterlingCurrencySwapMember_1708B120549EF02FEEEC33D627EA8BEF_terseLabel_en-US" xlink:label="lab_tve_A250MillionSterlingCurrencySwapMember_1708B120549EF02FEEEC33D627EA8BEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">250 million Sterling currency swap</link:label>
    <link:label id="lab_tve_A250MillionSterlingCurrencySwapMember_1708B120549EF02FEEEC33D627EA8BEF_label_en-US" xlink:label="lab_tve_A250MillionSterlingCurrencySwapMember_1708B120549EF02FEEEC33D627EA8BEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">250 million Sterling currency swap [Member]</link:label>
    <link:label id="lab_tve_A250MillionSterlingCurrencySwapMember_1708B120549EF02FEEEC33D627EA8BEF_documentation_en-US" xlink:label="lab_tve_A250MillionSterlingCurrencySwapMember_1708B120549EF02FEEEC33D627EA8BEF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swap involving the exchange of principal and interest in one currency for another currency.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A250MillionSterlingCurrencySwapMember" xlink:label="loc_tve_A250MillionSterlingCurrencySwapMember_1708B120549EF02FEEEC33D627EA8BEF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_A250MillionSterlingCurrencySwapMember_1708B120549EF02FEEEC33D627EA8BEF" xlink:to="lab_tve_A250MillionSterlingCurrencySwapMember_1708B120549EF02FEEEC33D627EA8BEF" xlink:type="arc" />
    <link:label id="lab_tve_A150MillionSterlingCurrencySwapMember_3D341D48A061E332E66733D627EA9D55_terseLabel_en-US" xlink:label="lab_tve_A150MillionSterlingCurrencySwapMember_3D341D48A061E332E66733D627EA9D55" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">150 million Sterling currency swap</link:label>
    <link:label id="lab_tve_A150MillionSterlingCurrencySwapMember_3D341D48A061E332E66733D627EA9D55_label_en-US" xlink:label="lab_tve_A150MillionSterlingCurrencySwapMember_3D341D48A061E332E66733D627EA9D55" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">150 million Sterling currency swap [Member]</link:label>
    <link:label id="lab_tve_A150MillionSterlingCurrencySwapMember_3D341D48A061E332E66733D627EA9D55_documentation_en-US" xlink:label="lab_tve_A150MillionSterlingCurrencySwapMember_3D341D48A061E332E66733D627EA9D55" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swap involving the exchange of principal and interest in one currency for another currency.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A150MillionSterlingCurrencySwapMember" xlink:label="loc_tve_A150MillionSterlingCurrencySwapMember_3D341D48A061E332E66733D627EA9D55" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_A150MillionSterlingCurrencySwapMember_3D341D48A061E332E66733D627EA9D55" xlink:to="lab_tve_A150MillionSterlingCurrencySwapMember_3D341D48A061E332E66733D627EA9D55" xlink:type="arc" />
    <link:label id="lab_tve_A10BillionNotionalInterestRateSwapMember_2D0C32E7CCACB642D0C333D627EA6A1D_terseLabel_en-US" xlink:label="lab_tve_A10BillionNotionalInterestRateSwapMember_2D0C32E7CCACB642D0C333D627EA6A1D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$1.0 billion notional interest rate swap</link:label>
    <link:label id="lab_tve_A10BillionNotionalInterestRateSwapMember_2D0C32E7CCACB642D0C333D627EA6A1D_label_en-US" xlink:label="lab_tve_A10BillionNotionalInterestRateSwapMember_2D0C32E7CCACB642D0C333D627EA6A1D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$1.0 billion notional interest rate swap [Member]</link:label>
    <link:label id="lab_tve_A10BillionNotionalInterestRateSwapMember_2D0C32E7CCACB642D0C333D627EA6A1D_documentation_en-US" xlink:label="lab_tve_A10BillionNotionalInterestRateSwapMember_2D0C32E7CCACB642D0C333D627EA6A1D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A10BillionNotionalInterestRateSwapMember" xlink:label="loc_tve_A10BillionNotionalInterestRateSwapMember_2D0C32E7CCACB642D0C333D627EA6A1D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InterestRateSwapMember_C638EAA5C66B6F9572E733D627EABA1F_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestRateSwapMember_C638EAA5C66B6F9572E733D627EABA1F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$476 million notional interest rate swap</link:label>
    <link:label id="lab_us-gaap_InterestRateSwapMember_C638EAA5C66B6F9572E733D627EABA1F_label_en-US" xlink:label="lab_us-gaap_InterestRateSwapMember_C638EAA5C66B6F9572E733D627EABA1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Swap [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_C638EAA5C66B6F9572E733D627EABA1F" xlink:type="locator" />
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    <link:label id="lab_tve_A42MillionNotionalInterestRateSwapMember_2231DFEF31BE19235FB633D627EA29F8_terseLabel_en-US" xlink:label="lab_tve_A42MillionNotionalInterestRateSwapMember_2231DFEF31BE19235FB633D627EA29F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$42 million notional interest rate swap</link:label>
    <link:label id="lab_tve_A42MillionNotionalInterestRateSwapMember_2231DFEF31BE19235FB633D627EA29F8_label_en-US" xlink:label="lab_tve_A42MillionNotionalInterestRateSwapMember_2231DFEF31BE19235FB633D627EA29F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$42 million notional interest rate swap [Member]</link:label>
    <link:label id="lab_tve_A42MillionNotionalInterestRateSwapMember_2231DFEF31BE19235FB633D627EA29F8_documentation_en-US" xlink:label="lab_tve_A42MillionNotionalInterestRateSwapMember_2231DFEF31BE19235FB633D627EA29F8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A42MillionNotionalInterestRateSwapMember" xlink:label="loc_tve_A42MillionNotionalInterestRateSwapMember_2231DFEF31BE19235FB633D627EA29F8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CommodityContractMember_67AE6E7FA96BA580B18C33D627EA24D0_verboseLabel_en-US" xlink:label="lab_us-gaap_CommodityContractMember_67AE6E7FA96BA580B18C33D627EA24D0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Commodity contract derivatives</link:label>
    <link:label id="lab_us-gaap_CommodityContractMember_67AE6E7FA96BA580B18C33D627EA24D0_label_en-US" xlink:label="lab_us-gaap_CommodityContractMember_67AE6E7FA96BA580B18C33D627EA24D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commodity Contract [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="loc_us-gaap_CommodityContractMember_67AE6E7FA96BA580B18C33D627EA24D0" xlink:type="locator" />
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    <link:label id="lab_tve_MarginCashAccountMember_8280ACBAB6282EEBFC0E33D627EA177F_terseLabel_en-US" xlink:label="lab_tve_MarginCashAccountMember_8280ACBAB6282EEBFC0E33D627EA177F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Margin cash account</link:label>
    <link:label id="lab_tve_MarginCashAccountMember_8280ACBAB6282EEBFC0E33D627EA177F_label_en-US" xlink:label="lab_tve_MarginCashAccountMember_8280ACBAB6282EEBFC0E33D627EA177F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Margin cash account [Member]</link:label>
    <link:label id="lab_tve_MarginCashAccountMember_8280ACBAB6282EEBFC0E33D627EA177F_documentation_en-US" xlink:label="lab_tve_MarginCashAccountMember_8280ACBAB6282EEBFC0E33D627EA177F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Margin cash account [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_MarginCashAccountMember" xlink:label="loc_tve_MarginCashAccountMember_8280ACBAB6282EEBFC0E33D627EA177F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherCreditDerivativesMember_FBE39A3A0044ABC6E79333D627EA2BF0_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherCreditDerivativesMember_FBE39A3A0044ABC6E79333D627EA2BF0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Derivatives Under FTP</link:label>
    <link:label id="lab_us-gaap_OtherCreditDerivativesMember_FBE39A3A0044ABC6E79333D627EA2BF0_label_en-US" xlink:label="lab_us-gaap_OtherCreditDerivativesMember_FBE39A3A0044ABC6E79333D627EA2BF0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Credit Derivatives [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherCreditDerivativesMember" xlink:label="loc_us-gaap_OtherCreditDerivativesMember_FBE39A3A0044ABC6E79333D627EA2BF0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherNoncurrentAssetsMember_DD0CF3A445469BA19A4934C1F55025B5_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNoncurrentAssetsMember_DD0CF3A445469BA19A4934C1F55025B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other long-term assets</link:label>
    <link:label id="lab_us-gaap_OtherNoncurrentAssetsMember_DD0CF3A445469BA19A4934C1F55025B5_label_en-US" xlink:label="lab_us-gaap_OtherNoncurrentAssetsMember_DD0CF3A445469BA19A4934C1F55025B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncurrent Assets [Member]</link:label>
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    <link:label id="lab_tve_FuelCostTaxEquivalents_2B0819E25E768ED3E3C94DD358A0322F_documentation_en-US" xlink:label="lab_tve_FuelCostTaxEquivalents_2B0819E25E768ED3E3C94DD358A0322F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net change during the period in the amount of tax equivalent payments due to states to replace revenue on properties that were formerly subject to local ad valorem taxation.</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_06B6F8F21C0DBD808F684DD358AF9170_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_06B6F8F21C0DBD808F684DD358AF9170" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Construction expenditures</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_C00BB8790D662A82ABF24DD358AF5743_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_C00BB8790D662A82ABF24DD358AF5743" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Combustion turbine asset acquisition</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_C00BB8790D662A82ABF24DD358AF5743_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets_C00BB8790D662A82ABF24DD358AF5743" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Productive Assets</link:label>
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    <link:label id="lab_us-gaap_PaymentsForProceedsFromNuclearFuel_B923907534BE2FD0C86A4DD358AFEE39_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromNuclearFuel_B923907534BE2FD0C86A4DD358AFEE39" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Nuclear fuel expenditures</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInRestrictedCash_D3A73223215FFC8008BC4DD358AFB0B7_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRestrictedCash_D3A73223215FFC8008BC4DD358AFB0B7" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Change in restricted cash and investments</link:label>
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    <link:label id="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_49D2E66E11C42DCC4D7B4DD358AF7661_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_49D2E66E11C42DCC4D7B4DD358AF7661" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments on leases and leasebacks</link:label>
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    <link:label id="lab_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_6EF7534E75AC32138D244DD358AFCB6A_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromDerivativeInstrumentFinancingActivities_6EF7534E75AC32138D244DD358AFCB6A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from call monetization</link:label>
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    <link:label id="lab_tve_PaymentsToUSTreasury_7FFBF8B5D9BACE29BC3A4DD358AF02C5_negatedLabel_en-US" xlink:label="lab_tve_PaymentsToUSTreasury_7FFBF8B5D9BACE29BC3A4DD358AF02C5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments to U.S. Treasury</link:label>
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    <link:label id="lab_tve_A1998SeriesDMember_0A2C6C5DE75B88ADABAD58DA3CCA5B7C_terseLabel_en-US" xlink:label="lab_tve_A1998SeriesDMember_0A2C6C5DE75B88ADABAD58DA3CCA5B7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1998 Series D</link:label>
    <link:label id="lab_tve_A1998SeriesDMember_0A2C6C5DE75B88ADABAD58DA3CCA5B7C_label_en-US" xlink:label="lab_tve_A1998SeriesDMember_0A2C6C5DE75B88ADABAD58DA3CCA5B7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1998 Series D [Member]</link:label>
    <link:label id="lab_tve_A1998SeriesDMember_0A2C6C5DE75B88ADABAD58DA3CCA5B7C_documentation_en-US" xlink:label="lab_tve_A1998SeriesDMember_0A2C6C5DE75B88ADABAD58DA3CCA5B7C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">1998 Series D [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A1998SeriesDMember" xlink:label="loc_tve_A1998SeriesDMember_0A2C6C5DE75B88ADABAD58DA3CCA5B7C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_A1998SeriesDMember_0A2C6C5DE75B88ADABAD58DA3CCA5B7C" xlink:to="lab_tve_A1998SeriesDMember_0A2C6C5DE75B88ADABAD58DA3CCA5B7C" xlink:type="arc" />
    <link:label id="lab_tve_A1999SeriesMember_3E6E0A4016FD065471DA58DA3CCACF61_terseLabel_en-US" xlink:label="lab_tve_A1999SeriesMember_3E6E0A4016FD065471DA58DA3CCACF61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1999 Series A</link:label>
    <link:label id="lab_tve_A1999SeriesMember_3E6E0A4016FD065471DA58DA3CCACF61_label_en-US" xlink:label="lab_tve_A1999SeriesMember_3E6E0A4016FD065471DA58DA3CCACF61" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1999 Series A [Member]</link:label>
    <link:label id="lab_tve_A1999SeriesMember_3E6E0A4016FD065471DA58DA3CCACF61_documentation_en-US" xlink:label="lab_tve_A1999SeriesMember_3E6E0A4016FD065471DA58DA3CCACF61" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">1999 Series A [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A1999SeriesMember" xlink:label="loc_tve_A1999SeriesMember_3E6E0A4016FD065471DA58DA3CCACF61" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_A1999SeriesMember_3E6E0A4016FD065471DA58DA3CCACF61" xlink:to="lab_tve_A1999SeriesMember_3E6E0A4016FD065471DA58DA3CCACF61" xlink:type="arc" />
    <link:label id="lab_tve_A2000SeriesFMember_CE54720B882C74C1B84B58DA3CCA7734_terseLabel_en-US" xlink:label="lab_tve_A2000SeriesFMember_CE54720B882C74C1B84B58DA3CCA7734" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2000 Series F</link:label>
    <link:label id="lab_tve_A2000SeriesFMember_CE54720B882C74C1B84B58DA3CCA7734_label_en-US" xlink:label="lab_tve_A2000SeriesFMember_CE54720B882C74C1B84B58DA3CCA7734" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2000 Series F [Member]</link:label>
    <link:label id="lab_tve_A2000SeriesFMember_CE54720B882C74C1B84B58DA3CCA7734_documentation_en-US" xlink:label="lab_tve_A2000SeriesFMember_CE54720B882C74C1B84B58DA3CCA7734" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2000 Series F [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A2000SeriesFMember" xlink:label="loc_tve_A2000SeriesFMember_CE54720B882C74C1B84B58DA3CCA7734" xlink:type="locator" />
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    <link:label id="lab_tve_A2002SeriesMember_506E2027A2A144D5AC4558DA3CCA39FE_terseLabel_en-US" xlink:label="lab_tve_A2002SeriesMember_506E2027A2A144D5AC4558DA3CCA39FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2002 Series A</link:label>
    <link:label id="lab_tve_A2002SeriesMember_506E2027A2A144D5AC4558DA3CCA39FE_label_en-US" xlink:label="lab_tve_A2002SeriesMember_506E2027A2A144D5AC4558DA3CCA39FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2002 Series A [Member]</link:label>
    <link:label id="lab_tve_A2002SeriesMember_506E2027A2A144D5AC4558DA3CCA39FE_documentation_en-US" xlink:label="lab_tve_A2002SeriesMember_506E2027A2A144D5AC4558DA3CCA39FE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2002 Series A [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A2002SeriesMember" xlink:label="loc_tve_A2002SeriesMember_506E2027A2A144D5AC4558DA3CCA39FE" xlink:type="locator" />
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    <link:label id="lab_tve_A2003SeriesCMember_12D16377C600C4F5470F58DA3CCA10DC_terseLabel_en-US" xlink:label="lab_tve_A2003SeriesCMember_12D16377C600C4F5470F58DA3CCA10DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2003 Series C</link:label>
    <link:label id="lab_tve_A2003SeriesCMember_12D16377C600C4F5470F58DA3CCA10DC_label_en-US" xlink:label="lab_tve_A2003SeriesCMember_12D16377C600C4F5470F58DA3CCA10DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2003 Series C [Member]</link:label>
    <link:label id="lab_tve_A2003SeriesCMember_12D16377C600C4F5470F58DA3CCA10DC_documentation_en-US" xlink:label="lab_tve_A2003SeriesCMember_12D16377C600C4F5470F58DA3CCA10DC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2003 Series C [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A2003SeriesCMember" xlink:label="loc_tve_A2003SeriesCMember_12D16377C600C4F5470F58DA3CCA10DC" xlink:type="locator" />
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    <link:label id="lab_tve_A2009SeriesMember_C149E6425462A65F91E158DA3CCA78E5_terseLabel_en-US" xlink:label="lab_tve_A2009SeriesMember_C149E6425462A65F91E158DA3CCA78E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2009 Series A</link:label>
    <link:label id="lab_tve_A2009SeriesMember_C149E6425462A65F91E158DA3CCA78E5_label_en-US" xlink:label="lab_tve_A2009SeriesMember_C149E6425462A65F91E158DA3CCA78E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2009 Series A [Member]</link:label>
    <link:label id="lab_tve_A2009SeriesMember_C149E6425462A65F91E158DA3CCA78E5_documentation_en-US" xlink:label="lab_tve_A2009SeriesMember_C149E6425462A65F91E158DA3CCA78E5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2009 Series A [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A2009SeriesMember" xlink:label="loc_tve_A2009SeriesMember_C149E6425462A65F91E158DA3CCA78E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_A2009SeriesMember_C149E6425462A65F91E158DA3CCA78E5" xlink:to="lab_tve_A2009SeriesMember_C149E6425462A65F91E158DA3CCA78E5" xlink:type="arc" />
    <link:label id="lab_tve_A2009SeriesBMember_5F07C01A54E211E2EAC758DA3CCA2EA0_terseLabel_en-US" xlink:label="lab_tve_A2009SeriesBMember_5F07C01A54E211E2EAC758DA3CCA2EA0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2009 Series B</link:label>
    <link:label id="lab_tve_A2009SeriesBMember_5F07C01A54E211E2EAC758DA3CCA2EA0_label_en-US" xlink:label="lab_tve_A2009SeriesBMember_5F07C01A54E211E2EAC758DA3CCA2EA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2009 Series B [Member]</link:label>
    <link:label id="lab_tve_A2009SeriesBMember_5F07C01A54E211E2EAC758DA3CCA2EA0_documentation_en-US" xlink:label="lab_tve_A2009SeriesBMember_5F07C01A54E211E2EAC758DA3CCA2EA0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2009 Series B [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_A2009SeriesBMember" xlink:label="loc_tve_A2009SeriesBMember_5F07C01A54E211E2EAC758DA3CCA2EA0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_A2009SeriesBMember_5F07C01A54E211E2EAC758DA3CCA2EA0" xlink:to="lab_tve_A2009SeriesBMember_5F07C01A54E211E2EAC758DA3CCA2EA0" xlink:type="arc" />
    <link:label id="lab_tve_PercentOfParValue_5D40CD821A23927C8A6B58DA3CCAA24A_terseLabel_en-US" xlink:label="lab_tve_PercentOfParValue_5D40CD821A23927C8A6B58DA3CCAA24A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percent of par value</link:label>
    <link:label id="lab_tve_PercentOfParValue_5D40CD821A23927C8A6B58DA3CCAA24A_label_en-US" xlink:label="lab_tve_PercentOfParValue_5D40CD821A23927C8A6B58DA3CCAA24A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percent of par value</link:label>
    <link:label id="lab_tve_PercentOfParValue_5D40CD821A23927C8A6B58DA3CCAA24A_documentation_en-US" xlink:label="lab_tve_PercentOfParValue_5D40CD821A23927C8A6B58DA3CCAA24A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percent of par value that debt was issued/redeemed for.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PercentOfParValue" xlink:label="loc_tve_PercentOfParValue_5D40CD821A23927C8A6B58DA3CCAA24A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromRepaymentsOfOtherDebt_604785DBADCA7119CA7458DA3CCA907F_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfOtherDebt_604785DBADCA7119CA7458DA3CCA907F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount</link:label>
    <link:label id="lab_us-gaap_ProceedsFromRepaymentsOfOtherDebt_604785DBADCA7119CA7458DA3CCA907F_label_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfOtherDebt_604785DBADCA7119CA7458DA3CCA907F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from (Repayments of) Other Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfOtherDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfOtherDebt_604785DBADCA7119CA7458DA3CCA907F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_73C2A351287DD626F37558DA3CCA7AB2_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_73C2A351287DD626F37558DA3CCA7AB2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount on debt issues</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_73C2A351287DD626F37558DA3CCA7AB2_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_73C2A351287DD626F37558DA3CCA7AB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unamortized Discount (Premium), Net</link:label>
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    <link:label id="lab_tve_LeasebackObligationsAbstract_2A20BC5BFE54A4BAB3524FE1E5A876F3_label_en-US" xlink:label="lab_tve_LeasebackObligationsAbstract_2A20BC5BFE54A4BAB3524FE1E5A876F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leaseback Obligations [Abstract]</link:label>
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    <link:loc xlink:href="tve-20130930.xsd#tve_LeasebackObligationsAbstract" xlink:label="loc_tve_LeasebackObligationsAbstract_2A20BC5BFE54A4BAB3524FE1E5A876F3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CollaborativeArrangementDisclosureTextBlock_0215CA84ECB1D34F32FB4FE1E5A83490_terseLabel_en-US" xlink:label="lab_us-gaap_CollaborativeArrangementDisclosureTextBlock_0215CA84ECB1D34F32FB4FE1E5A83490" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leaseback Obligations</link:label>
    <link:label id="lab_us-gaap_CollaborativeArrangementDisclosureTextBlock_0215CA84ECB1D34F32FB4FE1E5A83490_label_en-US" xlink:label="lab_us-gaap_CollaborativeArrangementDisclosureTextBlock_0215CA84ECB1D34F32FB4FE1E5A83490" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collaborative Arrangement Disclosure [Text Block]</link:label>
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    <link:label id="lab_us-gaap_PensionAndOtherPostretirementPlansPolicy_7C381FA25A9A217E85F93E859073C1E4_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementPlansPolicy_7C381FA25A9A217E85F93E859073C1E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Benefit Plans</link:label>
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    <link:label id="lab_tve_NetCompletedPlantAbstract_07545FE394B10B17BFC44FE1E3D46E17_label_en-US" xlink:label="lab_tve_NetCompletedPlantAbstract_07545FE394B10B17BFC44FE1E3D46E17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Completed Plant [Abstract]</link:label>
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    <link:loc xlink:href="tve-20130930.xsd#tve_NetCompletedPlantAbstract" xlink:label="loc_tve_NetCompletedPlantAbstract_07545FE394B10B17BFC44FE1E3D46E17" xlink:type="locator" />
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    <link:label id="lab_tve_CollateralizedCommercialMortgageBackedSecuritiesMember_1F111F16C2405EFB96E44944D42D3214_documentation_en-US" xlink:label="lab_tve_CollateralizedCommercialMortgageBackedSecuritiesMember_1F111F16C2405EFB96E44944D42D3214" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Securities collateralized by commercial mortgage loans.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CollateralizedCommercialMortgageBackedSecuritiesMember" xlink:label="loc_tve_CollateralizedCommercialMortgageBackedSecuritiesMember_1F111F16C2405EFB96E44944D42D3214" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_CollateralizedCommercialMortgageBackedSecuritiesMember_1F111F16C2405EFB96E44944D42D3214" xlink:to="lab_tve_CollateralizedCommercialMortgageBackedSecuritiesMember_1F111F16C2405EFB96E44944D42D3214" xlink:type="arc" />
    <link:label id="lab_tve_EquitySecurityCommingledFundsMember_CC2D2F3C85A5A4E8DF924944D42D4D77_terseLabel_en-US" xlink:label="lab_tve_EquitySecurityCommingledFundsMember_CC2D2F3C85A5A4E8DF924944D42D4D77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity security commingled funds</link:label>
    <link:label id="lab_tve_EquitySecurityCommingledFundsMember_CC2D2F3C85A5A4E8DF924944D42D4D77_label_en-US" xlink:label="lab_tve_EquitySecurityCommingledFundsMember_CC2D2F3C85A5A4E8DF924944D42D4D77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity security commingled funds [Member]</link:label>
    <link:label id="lab_tve_EquitySecurityCommingledFundsMember_CC2D2F3C85A5A4E8DF924944D42D4D77_documentation_en-US" xlink:label="lab_tve_EquitySecurityCommingledFundsMember_CC2D2F3C85A5A4E8DF924944D42D4D77" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment funds comprised of multiple individual financial instruments that are classified based on their existing investment portfolio as of the measurement date. Equity security commingled funds are exclusively composed of equity securities.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_EquitySecurityCommingledFundsMember" xlink:label="loc_tve_EquitySecurityCommingledFundsMember_CC2D2F3C85A5A4E8DF924944D42D4D77" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_EquitySecurityCommingledFundsMember_CC2D2F3C85A5A4E8DF924944D42D4D77" xlink:to="lab_tve_EquitySecurityCommingledFundsMember_CC2D2F3C85A5A4E8DF924944D42D4D77" xlink:type="arc" />
    <link:label id="lab_tve_DebtSecurityCommingledFundsMember_6CB974E7C1B6558A166C4944D42DBE4B_terseLabel_en-US" xlink:label="lab_tve_DebtSecurityCommingledFundsMember_6CB974E7C1B6558A166C4944D42DBE4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt security commingled funds</link:label>
    <link:label id="lab_tve_DebtSecurityCommingledFundsMember_6CB974E7C1B6558A166C4944D42DBE4B_label_en-US" xlink:label="lab_tve_DebtSecurityCommingledFundsMember_6CB974E7C1B6558A166C4944D42DBE4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt security commingled funds [Member]</link:label>
    <link:label id="lab_tve_DebtSecurityCommingledFundsMember_6CB974E7C1B6558A166C4944D42DBE4B_documentation_en-US" xlink:label="lab_tve_DebtSecurityCommingledFundsMember_6CB974E7C1B6558A166C4944D42DBE4B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment funds comprised of multiple individual financial instruments that are classified based on their existing investment portfolio as of the measurement date. Debt security commingled funds are exclusively composed of debt securities.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DebtSecurityCommingledFundsMember" xlink:label="loc_tve_DebtSecurityCommingledFundsMember_6CB974E7C1B6558A166C4944D42DBE4B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DebtSecurityCommingledFundsMember_6CB974E7C1B6558A166C4944D42DBE4B" xlink:to="lab_tve_DebtSecurityCommingledFundsMember_6CB974E7C1B6558A166C4944D42DBE4B" xlink:type="arc" />
    <link:label id="lab_tve_BlendedSecurityCommingledFundsMember_EE3669874EAE3E6BA25F4944D42DA69D_terseLabel_en-US" xlink:label="lab_tve_BlendedSecurityCommingledFundsMember_EE3669874EAE3E6BA25F4944D42DA69D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Blended security commingled funds</link:label>
    <link:label id="lab_tve_BlendedSecurityCommingledFundsMember_EE3669874EAE3E6BA25F4944D42DA69D_label_en-US" xlink:label="lab_tve_BlendedSecurityCommingledFundsMember_EE3669874EAE3E6BA25F4944D42DA69D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Blended security commingled funds [Member]</link:label>
    <link:label id="lab_tve_BlendedSecurityCommingledFundsMember_EE3669874EAE3E6BA25F4944D42DA69D_documentation_en-US" xlink:label="lab_tve_BlendedSecurityCommingledFundsMember_EE3669874EAE3E6BA25F4944D42DA69D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment funds comprised of multiple individual financial instruments that are classified based on their existing investment portfolio as of the measurement date. Blended security commingled funds are composed of debt, equity, currency, and commoditiy securities.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_BlendedSecurityCommingledFundsMember" xlink:label="loc_tve_BlendedSecurityCommingledFundsMember_EE3669874EAE3E6BA25F4944D42DA69D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_BlendedSecurityCommingledFundsMember_EE3669874EAE3E6BA25F4944D42DA69D" xlink:to="lab_tve_BlendedSecurityCommingledFundsMember_EE3669874EAE3E6BA25F4944D42DA69D" xlink:type="arc" />
    <link:label id="lab_us-gaap_FixedIncomeFundsMember_E2144B1F7291CCAB58C94944D42D39B3_terseLabel_en-US" xlink:label="lab_us-gaap_FixedIncomeFundsMember_E2144B1F7291CCAB58C94944D42D39B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Institutional mutual funds</link:label>
    <link:label id="lab_us-gaap_FixedIncomeFundsMember_E2144B1F7291CCAB58C94944D42D39B3_label_en-US" xlink:label="lab_us-gaap_FixedIncomeFundsMember_E2144B1F7291CCAB58C94944D42D39B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed Income Funds [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FixedIncomeFundsMember" xlink:label="loc_us-gaap_FixedIncomeFundsMember_E2144B1F7291CCAB58C94944D42D39B3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FixedIncomeFundsMember_E2144B1F7291CCAB58C94944D42D39B3" xlink:to="lab_us-gaap_FixedIncomeFundsMember_E2144B1F7291CCAB58C94944D42D39B3" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsMember_6754140D1F1852CC5EEB4944D42D3302_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsMember_6754140D1F1852CC5EEB4944D42D3302" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsMember_6754140D1F1852CC5EEB4944D42D3302_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsMember_6754140D1F1852CC5EEB4944D42D3302" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsMember" xlink:label="loc_us-gaap_CashAndCashEquivalentsMember_6754140D1F1852CC5EEB4944D42D3302" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsMember_6754140D1F1852CC5EEB4944D42D3302" xlink:to="lab_us-gaap_CashAndCashEquivalentsMember_6754140D1F1852CC5EEB4944D42D3302" xlink:type="arc" />
    <link:label id="lab_us-gaap_PrivateEquityFundsMember_9C2E0D04BDC62B22B0BB4944D42D5E9A_terseLabel_en-US" xlink:label="lab_us-gaap_PrivateEquityFundsMember_9C2E0D04BDC62B22B0BB4944D42D5E9A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private equity funds</link:label>
    <link:label id="lab_us-gaap_PrivateEquityFundsMember_9C2E0D04BDC62B22B0BB4944D42D5E9A_label_en-US" xlink:label="lab_us-gaap_PrivateEquityFundsMember_9C2E0D04BDC62B22B0BB4944D42D5E9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Equity Funds [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PrivateEquityFundsMember" xlink:label="loc_us-gaap_PrivateEquityFundsMember_9C2E0D04BDC62B22B0BB4944D42D5E9A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrivateEquityFundsMember_9C2E0D04BDC62B22B0BB4944D42D5E9A" xlink:to="lab_us-gaap_PrivateEquityFundsMember_9C2E0D04BDC62B22B0BB4944D42D5E9A" xlink:type="arc" />
    <link:label id="lab_tve_PrivateRealEstateFundsMember_6210FC25A7C6131EBC994944D42D7312_terseLabel_en-US" xlink:label="lab_tve_PrivateRealEstateFundsMember_6210FC25A7C6131EBC994944D42D7312" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private real estate funds</link:label>
    <link:label id="lab_tve_PrivateRealEstateFundsMember_6210FC25A7C6131EBC994944D42D7312_label_en-US" xlink:label="lab_tve_PrivateRealEstateFundsMember_6210FC25A7C6131EBC994944D42D7312" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private real estate funds [Member]</link:label>
    <link:label id="lab_tve_PrivateRealEstateFundsMember_6210FC25A7C6131EBC994944D42D7312_documentation_en-US" xlink:label="lab_tve_PrivateRealEstateFundsMember_6210FC25A7C6131EBC994944D42D7312" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments held in private real estate funds.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PrivateRealEstateFundsMember" xlink:label="loc_tve_PrivateRealEstateFundsMember_6210FC25A7C6131EBC994944D42D7312" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PrivateRealEstateFundsMember_6210FC25A7C6131EBC994944D42D7312" xlink:to="lab_tve_PrivateRealEstateFundsMember_6210FC25A7C6131EBC994944D42D7312" xlink:type="arc" />
    <link:label id="lab_tve_FinancialInstrumentsPledgedAsCollateralMember_2059F17706894354C1264944D42D09C0_terseLabel_en-US" xlink:label="lab_tve_FinancialInstrumentsPledgedAsCollateralMember_2059F17706894354C1264944D42D09C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury bills, U.S. Government notes and securities held as futures and other derivative collateral</link:label>
    <link:label id="lab_tve_FinancialInstrumentsPledgedAsCollateralMember_2059F17706894354C1264944D42D09C0_label_en-US" xlink:label="lab_tve_FinancialInstrumentsPledgedAsCollateralMember_2059F17706894354C1264944D42D09C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial instruments pledged as collateral [Member]</link:label>
    <link:label id="lab_tve_FinancialInstrumentsPledgedAsCollateralMember_2059F17706894354C1264944D42D09C0_documentation_en-US" xlink:label="lab_tve_FinancialInstrumentsPledgedAsCollateralMember_2059F17706894354C1264944D42D09C0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial instruments pledged as collateral for derivative instruments with credit-risk-related contingent features.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_FinancialInstrumentsPledgedAsCollateralMember" xlink:label="loc_tve_FinancialInstrumentsPledgedAsCollateralMember_2059F17706894354C1264944D42D09C0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_FinancialInstrumentsPledgedAsCollateralMember_2059F17706894354C1264944D42D09C0" xlink:to="lab_tve_FinancialInstrumentsPledgedAsCollateralMember_2059F17706894354C1264944D42D09C0" xlink:type="arc" />
    <link:label id="lab_tve_CashCollateralForBorrowedSecuritiesMember_DCDE73AA855E40A4BA104944D42D5059_terseLabel_en-US" xlink:label="lab_tve_CashCollateralForBorrowedSecuritiesMember_DCDE73AA855E40A4BA104944D42D5059" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities lending commingled funds</link:label>
    <link:label id="lab_tve_CashCollateralForBorrowedSecuritiesMember_DCDE73AA855E40A4BA104944D42D5059_label_en-US" xlink:label="lab_tve_CashCollateralForBorrowedSecuritiesMember_DCDE73AA855E40A4BA104944D42D5059" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash collateral for Borrowed Securities [Member]</link:label>
    <link:label id="lab_tve_CashCollateralForBorrowedSecuritiesMember_DCDE73AA855E40A4BA104944D42D5059_documentation_en-US" xlink:label="lab_tve_CashCollateralForBorrowedSecuritiesMember_DCDE73AA855E40A4BA104944D42D5059" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CashCollateralForBorrowedSecuritiesMember" xlink:label="loc_tve_CashCollateralForBorrowedSecuritiesMember_DCDE73AA855E40A4BA104944D42D5059" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_CashCollateralForBorrowedSecuritiesMember_DCDE73AA855E40A4BA104944D42D5059" xlink:to="lab_tve_CashCollateralForBorrowedSecuritiesMember_DCDE73AA855E40A4BA104944D42D5059" xlink:type="arc" />
    <link:label id="lab_us-gaap_ForeignExchangeContractMember_494589962C88EF1EEDAE4944D42D55D4_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignExchangeContractMember_494589962C88EF1EEDAE4944D42D55D4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency forward</link:label>
    <link:label id="lab_us-gaap_ForeignExchangeContractMember_494589962C88EF1EEDAE4944D42D55D4_label_en-US" xlink:label="lab_us-gaap_ForeignExchangeContractMember_494589962C88EF1EEDAE4944D42D55D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Exchange Contract [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_494589962C88EF1EEDAE4944D42D55D4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignExchangeContractMember_494589962C88EF1EEDAE4944D42D55D4" xlink:to="lab_us-gaap_ForeignExchangeContractMember_494589962C88EF1EEDAE4944D42D55D4" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestRateContractMember_F40AA94503911F99F8ED4944D42D721A_terseLabel_en-US" xlink:label="lab_us-gaap_InterestRateContractMember_F40AA94503911F99F8ED4944D42D721A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate swaps</link:label>
    <link:label id="lab_us-gaap_InterestRateContractMember_F40AA94503911F99F8ED4944D42D721A_label_en-US" xlink:label="lab_us-gaap_InterestRateContractMember_F40AA94503911F99F8ED4944D42D721A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Contract [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_F40AA94503911F99F8ED4944D42D721A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestRateContractMember_F40AA94503911F99F8ED4944D42D721A" xlink:to="lab_us-gaap_InterestRateContractMember_F40AA94503911F99F8ED4944D42D721A" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherContractMember_7277C043C644B7C4018A4944D42D0063_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherContractMember_7277C043C644B7C4018A4944D42D0063" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Options</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherContractMember" xlink:label="loc_us-gaap_OtherContractMember_7277C043C644B7C4018A4944D42D0063" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherContractMember_7277C043C644B7C4018A4944D42D0063" xlink:to="lab_us-gaap_OtherContractMember_7277C043C644B7C4018A4944D42D0063" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeMember_CA97518C096AF07B9B954944D42D8F0C_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeMember_CA97518C096AF07B9B954944D42D8F0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Futures</link:label>
    <link:label id="lab_us-gaap_DerivativeMember_CA97518C096AF07B9B954944D42D8F0C_label_en-US" xlink:label="lab_us-gaap_DerivativeMember_CA97518C096AF07B9B954944D42D8F0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeMember" xlink:label="loc_us-gaap_DerivativeMember_CA97518C096AF07B9B954944D42D8F0C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeMember_CA97518C096AF07B9B954944D42D8F0C" xlink:to="lab_us-gaap_DerivativeMember_CA97518C096AF07B9B954944D42D8F0C" xlink:type="arc" />
    <link:label id="lab_us-gaap_CreditRiskContractMember_E881F7ABDCF89024825B4944D42D935F_terseLabel_en-US" xlink:label="lab_us-gaap_CreditRiskContractMember_E881F7ABDCF89024825B4944D42D935F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit default swaps</link:label>
    <link:label id="lab_us-gaap_CreditRiskContractMember_E881F7ABDCF89024825B4944D42D935F_label_en-US" xlink:label="lab_us-gaap_CreditRiskContractMember_E881F7ABDCF89024825B4944D42D935F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Risk Contract [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CreditRiskContractMember" xlink:label="loc_us-gaap_CreditRiskContractMember_E881F7ABDCF89024825B4944D42D935F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditRiskContractMember_E881F7ABDCF89024825B4944D42D935F" xlink:to="lab_us-gaap_CreditRiskContractMember_E881F7ABDCF89024825B4944D42D935F" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_6F4079BBD4F3D0B2EDBF4944D42D66CB_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_6F4079BBD4F3D0B2EDBF4944D42D66CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Hierarchy</link:label>
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_6F4079BBD4F3D0B2EDBF4944D42D66CB_label_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_6F4079BBD4F3D0B2EDBF4944D42D66CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Hierarchy [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_6F4079BBD4F3D0B2EDBF4944D42D66CB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2E3911DB22D683B2700F4944D42DABF7_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2E3911DB22D683B2700F4944D42DABF7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Measurements, Fair Value Hierarchy</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2E3911DB22D683B2700F4944D42DABF7_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2E3911DB22D683B2700F4944D42DABF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2E3911DB22D683B2700F4944D42DABF7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2E3911DB22D683B2700F4944D42DABF7" xlink:to="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2E3911DB22D683B2700F4944D42DABF7" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_71EB876233370CA2D8DB4944D42DDCE8_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member_71EB876233370CA2D8DB4944D42DDCE8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 1</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_71EB876233370CA2D8DB4944D42DDCE8_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member_71EB876233370CA2D8DB4944D42DDCE8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_71EB876233370CA2D8DB4944D42DDCE8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel1Member_71EB876233370CA2D8DB4944D42DDCE8" xlink:to="lab_us-gaap_FairValueInputsLevel1Member_71EB876233370CA2D8DB4944D42DDCE8" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueInputsLevel2Member_B9D0024DC56973D81B844944D42DFB34_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel2Member_B9D0024DC56973D81B844944D42DFB34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 2</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel2Member_B9D0024DC56973D81B844944D42DFB34_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel2Member_B9D0024DC56973D81B844944D42DFB34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 2 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_B9D0024DC56973D81B844944D42DFB34" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel2Member_B9D0024DC56973D81B844944D42DFB34" xlink:to="lab_us-gaap_FairValueInputsLevel2Member_B9D0024DC56973D81B844944D42DFB34" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_9105CE81789A32D5F24E4944D42DEA69_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_9105CE81789A32D5F24E4944D42DEA69" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 3</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_9105CE81789A32D5F24E4944D42DEA69_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_9105CE81789A32D5F24E4944D42DEA69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 3 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_9105CE81789A32D5F24E4944D42DEA69" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel3Member_9105CE81789A32D5F24E4944D42DEA69" xlink:to="lab_us-gaap_FairValueInputsLevel3Member_9105CE81789A32D5F24E4944D42DEA69" xlink:type="arc" />
    <link:label id="lab_tve_FairValuePlanAssetsGross_9E69DEB78F1E099CA8EF4944D42D0A8F_terseLabel_en-US" xlink:label="lab_tve_FairValuePlanAssetsGross_9E69DEB78F1E099CA8EF4944D42D0A8F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of gross plan assets</link:label>
    <link:label id="lab_tve_FairValuePlanAssetsGross_9E69DEB78F1E099CA8EF4944D42D0A8F_label_en-US" xlink:label="lab_tve_FairValuePlanAssetsGross_9E69DEB78F1E099CA8EF4944D42D0A8F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair value plan assets gross</link:label>
    <link:label id="lab_tve_FairValuePlanAssetsGross_9E69DEB78F1E099CA8EF4944D42D0A8F_documentation_en-US" xlink:label="lab_tve_FairValuePlanAssetsGross_9E69DEB78F1E099CA8EF4944D42D0A8F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. This amount is not reduced by non-benefit liabilities.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_FairValuePlanAssetsGross" xlink:label="loc_tve_FairValuePlanAssetsGross_9E69DEB78F1E099CA8EF4944D42D0A8F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_FairValuePlanAssetsGross_9E69DEB78F1E099CA8EF4944D42D0A8F" xlink:to="lab_tve_FairValuePlanAssetsGross_9E69DEB78F1E099CA8EF4944D42D0A8F" xlink:type="arc" />
    <link:label id="lab_tve_DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities_004F392DDC204B3B2FB24944D42D85DB_terseLabel_en-US" xlink:label="lab_tve_DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities_004F392DDC204B3B2FB24944D42D85DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative liabilities</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities_004F392DDC204B3B2FB24944D42D85DB_label_en-US" xlink:label="lab_tve_DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities_004F392DDC204B3B2FB24944D42D85DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Fair Value of Plan Derivative Liabilities</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities_004F392DDC204B3B2FB24944D42D85DB_documentation_en-US" xlink:label="lab_tve_DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities_004F392DDC204B3B2FB24944D42D85DB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value of liabilities as of the measurement date resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.  These liabilities have been segregated and restricted (usually in a trust) for the purpose of defined benefit plan benefits.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities" xlink:label="loc_tve_DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities_004F392DDC204B3B2FB24944D42D85DB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities_004F392DDC204B3B2FB24944D42D85DB" xlink:to="lab_tve_DefinedBenefitPlanFairValueOfPlanDerivativeLiabilities_004F392DDC204B3B2FB24944D42D85DB" xlink:type="arc" />
    <link:label id="lab_tve_NetPayables_C6434D1E31994C24E4514944D42DB218_terseLabel_en-US" xlink:label="lab_tve_NetPayables_C6434D1E31994C24E4514944D42DB218" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net payables</link:label>
    <link:label id="lab_tve_NetPayables_C6434D1E31994C24E4514944D42DB218_label_en-US" xlink:label="lab_tve_NetPayables_C6434D1E31994C24E4514944D42DB218" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net payables</link:label>
    <link:label id="lab_tve_NetPayables_C6434D1E31994C24E4514944D42DB218_documentation_en-US" xlink:label="lab_tve_NetPayables_C6434D1E31994C24E4514944D42DB218" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net payables associated with security purchases and sales and various other payables.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NetPayables" xlink:label="loc_tve_NetPayables_C6434D1E31994C24E4514944D42DB218" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NetPayables_C6434D1E31994C24E4514944D42DB218" xlink:to="lab_tve_NetPayables_C6434D1E31994C24E4514944D42DB218" xlink:type="arc" />
    <link:label id="lab_tve_PayablesForCollateralOnLoanedSecurities_1337D910B6A93276BAB04944D42DA493_terseLabel_en-US" xlink:label="lab_tve_PayablesForCollateralOnLoanedSecurities_1337D910B6A93276BAB04944D42DA493" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payables for collateral on loaned securities</link:label>
    <link:label id="lab_tve_PayablesForCollateralOnLoanedSecurities_1337D910B6A93276BAB04944D42DA493_label_en-US" xlink:label="lab_tve_PayablesForCollateralOnLoanedSecurities_1337D910B6A93276BAB04944D42DA493" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payables for collateral on loaned securities</link:label>
    <link:label id="lab_tve_PayablesForCollateralOnLoanedSecurities_1337D910B6A93276BAB04944D42DA493_documentation_en-US" xlink:label="lab_tve_PayablesForCollateralOnLoanedSecurities_1337D910B6A93276BAB04944D42DA493" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payables for collateral on loaned securities in connection with retirement system participation in securities lending program.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PayablesForCollateralOnLoanedSecurities" xlink:label="loc_tve_PayablesForCollateralOnLoanedSecurities_1337D910B6A93276BAB04944D42DA493" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PayablesForCollateralOnLoanedSecurities_1337D910B6A93276BAB04944D42DA493" xlink:to="lab_tve_PayablesForCollateralOnLoanedSecurities_1337D910B6A93276BAB04944D42DA493" xlink:type="arc" />
    <link:label id="lab_tve_InterVendorPricingVariance_B00DA0E97485C0E2488F4944D42DA23B_terseLabel_en-US" xlink:label="lab_tve_InterVendorPricingVariance_B00DA0E97485C0E2488F4944D42DA23B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inter-vendor pricing variance</link:label>
    <link:label id="lab_tve_InterVendorPricingVariance_B00DA0E97485C0E2488F4944D42DA23B_label_en-US" xlink:label="lab_tve_InterVendorPricingVariance_B00DA0E97485C0E2488F4944D42DA23B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inter-vendor pricing variance</link:label>
    <link:label id="lab_tve_InterVendorPricingVariance_B00DA0E97485C0E2488F4944D42DA23B_documentation_en-US" xlink:label="lab_tve_InterVendorPricingVariance_B00DA0E97485C0E2488F4944D42DA23B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The inter-vendor pricing variance identified in an automated inter-source tolerance report used to varify the validity of  monthly vendor provided pricing for pension plan assets.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_InterVendorPricingVariance" xlink:label="loc_tve_InterVendorPricingVariance_B00DA0E97485C0E2488F4944D42DA23B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_InterVendorPricingVariance_B00DA0E97485C0E2488F4944D42DA23B" xlink:to="lab_tve_InterVendorPricingVariance_B00DA0E97485C0E2488F4944D42DA23B" xlink:type="arc" />
    <link:label id="lab_tve_Numberofyearspartnershipsinprivateequitygenerallycontinue_373769217DE3619DBDC44944D42D9D45_terseLabel_en-US" xlink:label="lab_tve_Numberofyearspartnershipsinprivateequitygenerallycontinue_373769217DE3619DBDC44944D42D9D45" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of years partnerships in private equity generally continue</link:label>
    <link:label id="lab_tve_Numberofyearspartnershipsinprivateequitygenerallycontinue_373769217DE3619DBDC44944D42D9D45_label_en-US" xlink:label="lab_tve_Numberofyearspartnershipsinprivateequitygenerallycontinue_373769217DE3619DBDC44944D42D9D45" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of years partnerships in private equity generally continue</link:label>
    <link:label id="lab_tve_Numberofyearspartnershipsinprivateequitygenerallycontinue_373769217DE3619DBDC44944D42D9D45_documentation_en-US" xlink:label="lab_tve_Numberofyearspartnershipsinprivateequitygenerallycontinue_373769217DE3619DBDC44944D42D9D45" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of years partnerships in private equity generally continue stated in a range.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Numberofyearspartnershipsinprivateequitygenerallycontinue" xlink:label="loc_tve_Numberofyearspartnershipsinprivateequitygenerallycontinue_373769217DE3619DBDC44944D42D9D45" xlink:type="locator" />
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    <link:label id="lab_tve_Numberofoneyearextensionsforpartnershipsinprivateequity_4A566E6C62C152EB15084944D42D5EEF_terseLabel_en-US" xlink:label="lab_tve_Numberofoneyearextensionsforpartnershipsinprivateequity_4A566E6C62C152EB15084944D42D5EEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of one year extensions for partnerships in private equity</link:label>
    <link:label id="lab_tve_Numberofoneyearextensionsforpartnershipsinprivateequity_4A566E6C62C152EB15084944D42D5EEF_label_en-US" xlink:label="lab_tve_Numberofoneyearextensionsforpartnershipsinprivateequity_4A566E6C62C152EB15084944D42D5EEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of one year extensions for partnerships in private equity</link:label>
    <link:label id="lab_tve_Numberofoneyearextensionsforpartnershipsinprivateequity_4A566E6C62C152EB15084944D42D5EEF_documentation_en-US" xlink:label="lab_tve_Numberofoneyearextensionsforpartnershipsinprivateequity_4A566E6C62C152EB15084944D42D5EEF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of one year extensions for partnerships in private equity stated in a range.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Numberofoneyearextensionsforpartnershipsinprivateequity" xlink:label="loc_tve_Numberofoneyearextensionsforpartnershipsinprivateequity_4A566E6C62C152EB15084944D42D5EEF" xlink:type="locator" />
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    <link:label id="lab_tve_Votingpercentagerequiredtodesolvepartnershipinprivateequity_95E27306B5C5E10D29074944D42DA055_terseLabel_en-US" xlink:label="lab_tve_Votingpercentagerequiredtodesolvepartnershipinprivateequity_95E27306B5C5E10D29074944D42DA055" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Voting percentage required to desolve partnership in private equity</link:label>
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    <link:label id="lab_tve_HydroPlantMember_260790438799541C7CCC4FE1E3A5057D_terseLabel_en-US" xlink:label="lab_tve_HydroPlantMember_260790438799541C7CCC4FE1E3A5057D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hydroelectric</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesNoncurrentAbstract_898C5BD85CFF824CCB4447CA31C7C8F3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_8A39DC4D8B024AB0CACC47CA31D62F7C_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_8A39DC4D8B024AB0CACC47CA31D62F7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities, Noncurrent</link:label>
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    <link:label id="lab_us-gaap_Liabilities_9616782EA971B625E52247CA31D66190_label_en-US" xlink:label="lab_us-gaap_Liabilities_9616782EA971B625E52247CA31D66190" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_9616782EA971B625E52247CA31D66190" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CommitmentsAndContingencies_87101E4E88DC89E6A56147CA31D6BD55_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_87101E4E88DC89E6A56147CA31D6BD55" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and contingencies (Note 20)</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_87101E4E88DC89E6A56147CA31D6BD55_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_87101E4E88DC89E6A56147CA31D6BD55" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_87101E4E88DC89E6A56147CA31D6BD55" xlink:type="locator" />
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    <link:label id="lab_tve_ProprietaryCapitalAbstract_DDEB9D5666D4257351ED47CA31D6F80F_verboseLabel_en-US" xlink:label="lab_tve_ProprietaryCapitalAbstract_DDEB9D5666D4257351ED47CA31D6F80F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Proprietary capital</link:label>
    <link:label id="lab_tve_ProprietaryCapitalAbstract_DDEB9D5666D4257351ED47CA31D6F80F_label_en-US" xlink:label="lab_tve_ProprietaryCapitalAbstract_DDEB9D5666D4257351ED47CA31D6F80F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proprietary capital [Abstract]</link:label>
    <link:label id="lab_tve_ProprietaryCapitalAbstract_DDEB9D5666D4257351ED47CA31D6F80F_documentation_en-US" xlink:label="lab_tve_ProprietaryCapitalAbstract_DDEB9D5666D4257351ED47CA31D6F80F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US" />
    <link:loc xlink:href="tve-20130930.xsd#tve_ProprietaryCapitalAbstract" xlink:label="loc_tve_ProprietaryCapitalAbstract_DDEB9D5666D4257351ED47CA31D6F80F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_ProprietaryCapitalAbstract_DDEB9D5666D4257351ED47CA31D6F80F" xlink:to="lab_tve_ProprietaryCapitalAbstract_DDEB9D5666D4257351ED47CA31D6F80F" xlink:type="arc" />
    <link:label id="lab_tve_AppropriationInvestmentPowerProgram_C46140877214C17CD41547CA31D601AD_verboseLabel_en-US" xlink:label="lab_tve_AppropriationInvestmentPowerProgram_C46140877214C17CD41547CA31D601AD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Power program appropriation investment</link:label>
    <link:label id="lab_tve_AppropriationInvestmentPowerProgram_C46140877214C17CD41547CA31D601AD_label_en-US" xlink:label="lab_tve_AppropriationInvestmentPowerProgram_C46140877214C17CD41547CA31D601AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Appropriation-investment power program</link:label>
    <link:label id="lab_tve_AppropriationInvestmentPowerProgram_C46140877214C17CD41547CA31D601AD_documentation_en-US" xlink:label="lab_tve_AppropriationInvestmentPowerProgram_C46140877214C17CD41547CA31D601AD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Balance of appropriated funds advanced and property transferred to/from the reporting entity by the U.S. government as an investment in its power program.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AppropriationInvestmentPowerProgram" xlink:label="loc_tve_AppropriationInvestmentPowerProgram_C46140877214C17CD41547CA31D601AD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_AppropriationInvestmentPowerProgram_C46140877214C17CD41547CA31D601AD" xlink:to="lab_tve_AppropriationInvestmentPowerProgram_C46140877214C17CD41547CA31D601AD" xlink:type="arc" />
    <link:label id="lab_tve_RetainedEarningsPowerProgram_8E3D880C85F12E95C27B47CA31D6EBB9_verboseLabel_en-US" xlink:label="lab_tve_RetainedEarningsPowerProgram_8E3D880C85F12E95C27B47CA31D6EBB9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Power program retained earnings</link:label>
    <link:label id="lab_tve_RetainedEarningsPowerProgram_8E3D880C85F12E95C27B47CA31D6EBB9_label_en-US" xlink:label="lab_tve_RetainedEarningsPowerProgram_8E3D880C85F12E95C27B47CA31D6EBB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings Power Program</link:label>
    <link:label id="lab_tve_RetainedEarningsPowerProgram_8E3D880C85F12E95C27B47CA31D6EBB9_documentation_en-US" xlink:label="lab_tve_RetainedEarningsPowerProgram_8E3D880C85F12E95C27B47CA31D6EBB9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cumulative amount of the reporting entity's undistributed earnings or deficit from power program activities less amounts returned to the U.S. government as a return on its appropriation investment in the power program.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_RetainedEarningsPowerProgram" xlink:label="loc_tve_RetainedEarningsPowerProgram_8E3D880C85F12E95C27B47CA31D6EBB9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_RetainedEarningsPowerProgram_8E3D880C85F12E95C27B47CA31D6EBB9" xlink:to="lab_tve_RetainedEarningsPowerProgram_8E3D880C85F12E95C27B47CA31D6EBB9" xlink:type="arc" />
    <link:label id="lab_tve_TotalPowerProgramProprietaryCapital_FA7A649002141FB2C58F47CA31D6D746_totalLabel_en-US" xlink:label="lab_tve_TotalPowerProgramProprietaryCapital_FA7A649002141FB2C58F47CA31D6D746" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total power program proprietary capital</link:label>
    <link:label id="lab_tve_TotalPowerProgramProprietaryCapital_FA7A649002141FB2C58F47CA31D6D746_label_en-US" xlink:label="lab_tve_TotalPowerProgramProprietaryCapital_FA7A649002141FB2C58F47CA31D6D746" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total power program proprietary capital</link:label>
    <link:label id="lab_tve_TotalPowerProgramProprietaryCapital_FA7A649002141FB2C58F47CA31D6D746_documentation_en-US" xlink:label="lab_tve_TotalPowerProgramProprietaryCapital_FA7A649002141FB2C58F47CA31D6D746" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total of appropriation investment and earnings retained by its power program.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_TotalPowerProgramProprietaryCapital" xlink:label="loc_tve_TotalPowerProgramProprietaryCapital_FA7A649002141FB2C58F47CA31D6D746" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_TotalPowerProgramProprietaryCapital_FA7A649002141FB2C58F47CA31D6D746" xlink:to="lab_tve_TotalPowerProgramProprietaryCapital_FA7A649002141FB2C58F47CA31D6D746" xlink:type="arc" />
    <link:label id="lab_tve_AppropriationInvestmentNonpowerProgramsNet_AEC3DF0EC10CE1120C5E47CA31D61BD2_verboseLabel_en-US" xlink:label="lab_tve_AppropriationInvestmentNonpowerProgramsNet_AEC3DF0EC10CE1120C5E47CA31D61BD2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Nonpower programs appropriation investment, net</link:label>
    <link:label id="lab_tve_AppropriationInvestmentNonpowerProgramsNet_AEC3DF0EC10CE1120C5E47CA31D61BD2_label_en-US" xlink:label="lab_tve_AppropriationInvestmentNonpowerProgramsNet_AEC3DF0EC10CE1120C5E47CA31D61BD2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Appropriation investment nonpower programs, net</link:label>
    <link:label id="lab_tve_AppropriationInvestmentNonpowerProgramsNet_AEC3DF0EC10CE1120C5E47CA31D61BD2_documentation_en-US" xlink:label="lab_tve_AppropriationInvestmentNonpowerProgramsNet_AEC3DF0EC10CE1120C5E47CA31D61BD2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Appropriated funds advanced and property transferred to/from the reporting entity by the U.S. government for programs (exclusive of the power program) and program income received offset by expenses incurred in the administration of these programs.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AppropriationInvestmentNonpowerProgramsNet" xlink:label="loc_tve_AppropriationInvestmentNonpowerProgramsNet_AEC3DF0EC10CE1120C5E47CA31D61BD2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_642CA9A2FD2B0546197E47CA31D65735_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_642CA9A2FD2B0546197E47CA31D65735" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated other comprehensive income (loss)</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_642CA9A2FD2B0546197E47CA31D65735_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_642CA9A2FD2B0546197E47CA31D65735" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_642CA9A2FD2B0546197E47CA31D65735" xlink:type="locator" />
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    <link:label id="lab_tve_ProprietaryCapital_8D360E26E833709843DC47CA31D68671_totalLabel_en-US" xlink:label="lab_tve_ProprietaryCapital_8D360E26E833709843DC47CA31D68671" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total proprietary capital</link:label>
    <link:label id="lab_tve_ProprietaryCapital_8D360E26E833709843DC47CA31D68671_label_en-US" xlink:label="lab_tve_ProprietaryCapital_8D360E26E833709843DC47CA31D68671" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proprietary Capital</link:label>
    <link:label id="lab_tve_ProprietaryCapital_8D360E26E833709843DC47CA31D68671_documentation_en-US" xlink:label="lab_tve_ProprietaryCapital_8D360E26E833709843DC47CA31D68671" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total proprietary capital.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_ProprietaryCapital" xlink:label="loc_tve_ProprietaryCapital_8D360E26E833709843DC47CA31D68671" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_ProprietaryCapital_8D360E26E833709843DC47CA31D68671" xlink:to="lab_tve_ProprietaryCapital_8D360E26E833709843DC47CA31D68671" xlink:type="arc" />
    <link:label id="lab_tve_LiabilitiesAndProprietaryCapital_FD56DF9CAF38D25432F247CA31D6D3BB_totalLabel_en-US" xlink:label="lab_tve_LiabilitiesAndProprietaryCapital_FD56DF9CAF38D25432F247CA31D6D3BB" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities and proprietary capital</link:label>
    <link:label id="lab_tve_LiabilitiesAndProprietaryCapital_FD56DF9CAF38D25432F247CA31D6D3BB_label_en-US" xlink:label="lab_tve_LiabilitiesAndProprietaryCapital_FD56DF9CAF38D25432F247CA31D6D3BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities And Proprietary Capital</link:label>
    <link:label id="lab_tve_LiabilitiesAndProprietaryCapital_FD56DF9CAF38D25432F247CA31D6D3BB_documentation_en-US" xlink:label="lab_tve_LiabilitiesAndProprietaryCapital_FD56DF9CAF38D25432F247CA31D6D3BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total of all Liabilities and Proprietary Capital items.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_LiabilitiesAndProprietaryCapital" xlink:label="loc_tve_LiabilitiesAndProprietaryCapital_FD56DF9CAF38D25432F247CA31D6D3BB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_FAF5AD9606DF564C130C289F6E9D3497_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_FAF5AD9606DF564C130C289F6E9D3497" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Energy Prepayment Obligations and Discounts on Sales</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_FAF5AD9606DF564C130C289F6E9D3497_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_FAF5AD9606DF564C130C289F6E9D3497" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from External Customers by Products and Services [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_FAF5AD9606DF564C130C289F6E9D3497" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DeferredRevenueArrangementTypeAxis_5151A812755BEACCCD52289F6E9D6324_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenueArrangementTypeAxis_5151A812755BEACCCD52289F6E9D6324" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Energy Prepayment Obligations and Discounts on Sales</link:label>
    <link:label id="lab_us-gaap_DeferredRevenueArrangementTypeAxis_5151A812755BEACCCD52289F6E9D6324_label_en-US" xlink:label="lab_us-gaap_DeferredRevenueArrangementTypeAxis_5151A812755BEACCCD52289F6E9D6324" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue Arrangement Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredRevenueArrangementTypeAxis" xlink:label="loc_us-gaap_DeferredRevenueArrangementTypeAxis_5151A812755BEACCCD52289F6E9D6324" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DeferredRevenueArrangementTypeDomain_B5D3D34E92B2D31A3CC8289F6E9D1533_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenueArrangementTypeDomain_B5D3D34E92B2D31A3CC8289F6E9D1533" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Energy Prepayment Obligations and Discounts on Sales</link:label>
    <link:label id="lab_us-gaap_DeferredRevenueArrangementTypeDomain_B5D3D34E92B2D31A3CC8289F6E9D1533_label_en-US" xlink:label="lab_us-gaap_DeferredRevenueArrangementTypeDomain_B5D3D34E92B2D31A3CC8289F6E9D1533" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredRevenueArrangementTypeDomain" xlink:label="loc_us-gaap_DeferredRevenueArrangementTypeDomain_B5D3D34E92B2D31A3CC8289F6E9D1533" xlink:type="locator" />
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    <link:label id="lab_tve_DEUMember_6F7AC0E081CF78A3EAC62926BDA9D029_terseLabel_en-US" xlink:label="lab_tve_DEUMember_6F7AC0E081CF78A3EAC62926BDA9D029" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DEU [Member]</link:label>
    <link:label id="lab_tve_DEUMember_6F7AC0E081CF78A3EAC62926BDA9D029_label_en-US" xlink:label="lab_tve_DEUMember_6F7AC0E081CF78A3EAC62926BDA9D029" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">DEU [Member]</link:label>
    <link:label id="lab_tve_DEUMember_6F7AC0E081CF78A3EAC62926BDA9D029_documentation_en-US" xlink:label="lab_tve_DEUMember_6F7AC0E081CF78A3EAC62926BDA9D029" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">DEU [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DEUMember" xlink:label="loc_tve_DEUMember_6F7AC0E081CF78A3EAC62926BDA9D029" xlink:type="locator" />
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    <link:label id="lab_tve_MlgwMember_77E84820151011E2F08D289F6E9D0D4A_terseLabel_en-US" xlink:label="lab_tve_MlgwMember_77E84820151011E2F08D289F6E9D0D4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MLGW</link:label>
    <link:label id="lab_tve_MlgwMember_77E84820151011E2F08D289F6E9D0D4A_label_en-US" xlink:label="lab_tve_MlgwMember_77E84820151011E2F08D289F6E9D0D4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">MLGW [Member]</link:label>
    <link:label id="lab_tve_MlgwMember_77E84820151011E2F08D289F6E9D0D4A_documentation_en-US" xlink:label="lab_tve_MlgwMember_77E84820151011E2F08D289F6E9D0D4A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">MLGW [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_MlgwMember" xlink:label="loc_tve_MlgwMember_77E84820151011E2F08D289F6E9D0D4A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_MlgwMember_77E84820151011E2F08D289F6E9D0D4A" xlink:to="lab_tve_MlgwMember_77E84820151011E2F08D289F6E9D0D4A" xlink:type="arc" />
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    <link:label id="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_5C2808E7C6AB5C047A24289F6E9DCA77_label_en-US" xlink:label="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_5C2808E7C6AB5C047A24289F6E9DCA77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from External Customer [Line Items]</link:label>
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    <link:label id="lab_tve_IncrementalAmountOfDiscountedEnergyUnits_814C43D391D5168BCACA289F6E9D6561_terseLabel_en-US" xlink:label="lab_tve_IncrementalAmountOfDiscountedEnergyUnits_814C43D391D5168BCACA289F6E9D6561" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Incremental amount of discounted energy units</link:label>
    <link:label id="lab_tve_IncrementalAmountOfDiscountedEnergyUnits_814C43D391D5168BCACA289F6E9D6561_label_en-US" xlink:label="lab_tve_IncrementalAmountOfDiscountedEnergyUnits_814C43D391D5168BCACA289F6E9D6561" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Incremental amount of discounted energy units</link:label>
    <link:label id="lab_tve_IncrementalAmountOfDiscountedEnergyUnits_814C43D391D5168BCACA289F6E9D6561_documentation_en-US" xlink:label="lab_tve_IncrementalAmountOfDiscountedEnergyUnits_814C43D391D5168BCACA289F6E9D6561" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The incremental amount that the discounted energy units are available in.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_IncrementalAmountOfDiscountedEnergyUnits" xlink:label="loc_tve_IncrementalAmountOfDiscountedEnergyUnits_814C43D391D5168BCACA289F6E9D6561" xlink:type="locator" />
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    <link:label id="lab_tve_DiscountPerKilowattHour_52942140953539F64CE0289F6E9D6F58_label_en-US" xlink:label="lab_tve_DiscountPerKilowattHour_52942140953539F64CE0289F6E9D6F58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discount per kilowatt-hour</link:label>
    <link:label id="lab_tve_DiscountPerKilowattHour_52942140953539F64CE0289F6E9D6F58_documentation_en-US" xlink:label="lab_tve_DiscountPerKilowattHour_52942140953539F64CE0289F6E9D6F58" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The discount per kilowatt-hour on a specified quantity of firm power over a period of years.</link:label>
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    <link:label id="lab_tve_DiscountedEnergyUnitsContractPeriod1_51FA34395FA8DA3ADD3E289F6E9D21CA_label_en-US" xlink:label="lab_tve_DiscountedEnergyUnitsContractPeriod1_51FA34395FA8DA3ADD3E289F6E9D21CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounted energy units contract period 1</link:label>
    <link:label id="lab_tve_DiscountedEnergyUnitsContractPeriod1_51FA34395FA8DA3ADD3E289F6E9D21CA_documentation_en-US" xlink:label="lab_tve_DiscountedEnergyUnitsContractPeriod1_51FA34395FA8DA3ADD3E289F6E9D21CA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Discounted energy units contract period 1</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DiscountedEnergyUnitsContractPeriod1" xlink:label="loc_tve_DiscountedEnergyUnitsContractPeriod1_51FA34395FA8DA3ADD3E289F6E9D21CA" xlink:type="locator" />
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    <link:label id="lab_tve_DiscountedEnergyUnitsContractPeriod2_4B65410F2C77B8F4517A289F6E9D9091_label_en-US" xlink:label="lab_tve_DiscountedEnergyUnitsContractPeriod2_4B65410F2C77B8F4517A289F6E9D9091" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounted energy units contract period 2</link:label>
    <link:label id="lab_tve_DiscountedEnergyUnitsContractPeriod2_4B65410F2C77B8F4517A289F6E9D9091_documentation_en-US" xlink:label="lab_tve_DiscountedEnergyUnitsContractPeriod2_4B65410F2C77B8F4517A289F6E9D9091" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Discounted energy units contract period 2</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DiscountedEnergyUnitsContractPeriod2" xlink:label="loc_tve_DiscountedEnergyUnitsContractPeriod2_4B65410F2C77B8F4517A289F6E9D9091" xlink:type="locator" />
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    <link:label id="lab_tve_DiscountedEnergyUnitsContractPeriod3_7C153B989557A90E443B289F6E9D8DED_label_en-US" xlink:label="lab_tve_DiscountedEnergyUnitsContractPeriod3_7C153B989557A90E443B289F6E9D8DED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounted energy units contract period 3</link:label>
    <link:label id="lab_tve_DiscountedEnergyUnitsContractPeriod3_7C153B989557A90E443B289F6E9D8DED_documentation_en-US" xlink:label="lab_tve_DiscountedEnergyUnitsContractPeriod3_7C153B989557A90E443B289F6E9D8DED" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Discounted energy units contract period 3</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DiscountedEnergyUnitsContractPeriod3" xlink:label="loc_tve_DiscountedEnergyUnitsContractPeriod3_7C153B989557A90E443B289F6E9D8DED" xlink:type="locator" />
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    <link:label id="lab_tve_DiscountedEnergyUnitsContractPeriod4_92648F88F3471BE8B12A289F6E9D5BF4_terseLabel_en-US" xlink:label="lab_tve_DiscountedEnergyUnitsContractPeriod4_92648F88F3471BE8B12A289F6E9D5BF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounted energy units contract period 4</link:label>
    <link:label id="lab_tve_DiscountedEnergyUnitsContractPeriod4_92648F88F3471BE8B12A289F6E9D5BF4_label_en-US" xlink:label="lab_tve_DiscountedEnergyUnitsContractPeriod4_92648F88F3471BE8B12A289F6E9D5BF4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounted energy units contract period 4</link:label>
    <link:label id="lab_tve_DiscountedEnergyUnitsContractPeriod4_92648F88F3471BE8B12A289F6E9D5BF4_documentation_en-US" xlink:label="lab_tve_DiscountedEnergyUnitsContractPeriod4_92648F88F3471BE8B12A289F6E9D5BF4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Discounted energy units contract period 4</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DiscountedEnergyUnitsContractPeriod4" xlink:label="loc_tve_DiscountedEnergyUnitsContractPeriod4_92648F88F3471BE8B12A289F6E9D5BF4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DiscountedEnergyUnitsContractPeriod4_92648F88F3471BE8B12A289F6E9D5BF4" xlink:to="lab_tve_DiscountedEnergyUnitsContractPeriod4_92648F88F3471BE8B12A289F6E9D5BF4" xlink:type="arc" />
    <link:label id="lab_tve_TotalSalesThroughDeuProgramSinceInception_013A14843197F22F9254289F6E9DEE0F_terseLabel_en-US" xlink:label="lab_tve_TotalSalesThroughDeuProgramSinceInception_013A14843197F22F9254289F6E9DEE0F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total sales through DEU program since inception</link:label>
    <link:label id="lab_tve_TotalSalesThroughDeuProgramSinceInception_013A14843197F22F9254289F6E9DEE0F_label_en-US" xlink:label="lab_tve_TotalSalesThroughDeuProgramSinceInception_013A14843197F22F9254289F6E9DEE0F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total sales through DEU program since inception</link:label>
    <link:label id="lab_tve_TotalSalesThroughDeuProgramSinceInception_013A14843197F22F9254289F6E9DEE0F_documentation_en-US" xlink:label="lab_tve_TotalSalesThroughDeuProgramSinceInception_013A14843197F22F9254289F6E9DEE0F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total sales through DEU program since inception of the program.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_TotalSalesThroughDeuProgramSinceInception" xlink:label="loc_tve_TotalSalesThroughDeuProgramSinceInception_013A14843197F22F9254289F6E9DEE0F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DeferredRevenueRevenueRecognized_3B2AB3929623C4CB1FD7289F6E9D7EAE_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenueRevenueRecognized_3B2AB3929623C4CB1FD7289F6E9D7EAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred revenue, revenue recognized</link:label>
    <link:label id="lab_us-gaap_DeferredRevenueRevenueRecognized_3B2AB3929623C4CB1FD7289F6E9D7EAE_label_en-US" xlink:label="lab_us-gaap_DeferredRevenueRevenueRecognized_3B2AB3929623C4CB1FD7289F6E9D7EAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue, Revenue Recognized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredRevenueRevenueRecognized" xlink:label="loc_us-gaap_DeferredRevenueRevenueRecognized_3B2AB3929623C4CB1FD7289F6E9D7EAE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_A54C76AEF09BB22D9F82289F6E9DDF8E_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_A54C76AEF09BB22D9F82289F6E9DDF8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Deferred Revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_A54C76AEF09BB22D9F82289F6E9DDF8E" xlink:type="locator" />
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    <link:label id="lab_tve_PrepaymentPeriod_3D97910C0E311D66D1F3289F6E9D50D6_terseLabel_en-US" xlink:label="lab_tve_PrepaymentPeriod_3D97910C0E311D66D1F3289F6E9D50D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MLGW prepayment period</link:label>
    <link:label id="lab_tve_PrepaymentPeriod_3D97910C0E311D66D1F3289F6E9D50D6_label_en-US" xlink:label="lab_tve_PrepaymentPeriod_3D97910C0E311D66D1F3289F6E9D50D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepayment period</link:label>
    <link:label id="lab_tve_PrepaymentPeriod_3D97910C0E311D66D1F3289F6E9D50D6_documentation_en-US" xlink:label="lab_tve_PrepaymentPeriod_3D97910C0E311D66D1F3289F6E9D50D6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Prepayment period</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PrepaymentPeriod" xlink:label="loc_tve_PrepaymentPeriod_3D97910C0E311D66D1F3289F6E9D50D6" xlink:type="locator" />
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    <link:label id="lab_tve_FinancialInstrumentsOwnedMortgagesCommercialMortgagebackedandAssetbackedSecuritiesatFairValue_2C85CFDE69EEF8093F655D971B5CDE0C_documentation_en-US" xlink:label="lab_tve_FinancialInstrumentsOwnedMortgagesCommercialMortgagebackedandAssetbackedSecuritiesatFairValue_2C85CFDE69EEF8093F655D971B5CDE0C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The fair value as of the balance sheet date of firm holdings in mortgages, commercial mortgage backed securities (investment instruments that represent ownership of an undivided interest in a group of mortgages, where principal and interest from the individual mortgages are used to pay investors' principal and interest on the mortgage backed security) and asset-backed securities that are primarily paid from the cash flows of a discrete pool of receivables or other financial assets (such as credit-card receivables), either fixed or revolving, that by their terms convert into cash within a finite time period. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_FinancialInstrumentsOwnedMortgagesCommercialMortgagebackedandAssetbackedSecuritiesatFairValue" xlink:label="loc_tve_FinancialInstrumentsOwnedMortgagesCommercialMortgagebackedandAssetbackedSecuritiesatFairValue_2C85CFDE69EEF8093F655D971B5CDE0C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_FinancialInstrumentsOwnedMortgagesCommercialMortgagebackedandAssetbackedSecuritiesatFairValue_2C85CFDE69EEF8093F655D971B5CDE0C" xlink:to="lab_tve_FinancialInstrumentsOwnedMortgagesCommercialMortgagebackedandAssetbackedSecuritiesatFairValue_2C85CFDE69EEF8093F655D971B5CDE0C" xlink:type="arc" />
    <link:label id="lab_tve_TradingSecuritiesCollateralizedDebtObligationsatFairValue_A995833D44B1DBCACB525D971B5C3CF5_terseLabel_en-US" xlink:label="lab_tve_TradingSecuritiesCollateralizedDebtObligationsatFairValue_A995833D44B1DBCACB525D971B5C3CF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateralized debt obligations</link:label>
    <link:label id="lab_tve_TradingSecuritiesCollateralizedDebtObligationsatFairValue_A995833D44B1DBCACB525D971B5C3CF5_label_en-US" xlink:label="lab_tve_TradingSecuritiesCollateralizedDebtObligationsatFairValue_A995833D44B1DBCACB525D971B5C3CF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Securities, Collateralized Debt Obligations at Fair Value</link:label>
    <link:label id="lab_tve_TradingSecuritiesCollateralizedDebtObligationsatFairValue_A995833D44B1DBCACB525D971B5C3CF5_documentation_en-US" xlink:label="lab_tve_TradingSecuritiesCollateralizedDebtObligationsatFairValue_A995833D44B1DBCACB525D971B5C3CF5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trading securities owned and collateralized by a pool of assets.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_TradingSecuritiesCollateralizedDebtObligationsatFairValue" xlink:label="loc_tve_TradingSecuritiesCollateralizedDebtObligationsatFairValue_A995833D44B1DBCACB525D971B5C3CF5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_TradingSecuritiesCollateralizedDebtObligationsatFairValue_A995833D44B1DBCACB525D971B5C3CF5" xlink:to="lab_tve_TradingSecuritiesCollateralizedDebtObligationsatFairValue_A995833D44B1DBCACB525D971B5C3CF5" xlink:type="arc" />
    <link:label id="lab_us-gaap_AlternativeInvestmentsFairValueDisclosure_1ECE0925DD49F754C0A95D971B5C1B05_terseLabel_en-US" xlink:label="lab_us-gaap_AlternativeInvestmentsFairValueDisclosure_1ECE0925DD49F754C0A95D971B5C1B05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private partnerships</link:label>
    <link:label id="lab_us-gaap_AlternativeInvestmentsFairValueDisclosure_1ECE0925DD49F754C0A95D971B5C1B05_label_en-US" xlink:label="lab_us-gaap_AlternativeInvestmentsFairValueDisclosure_1ECE0925DD49F754C0A95D971B5C1B05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Alternative Investments, Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AlternativeInvestmentsFairValueDisclosure" xlink:label="loc_us-gaap_AlternativeInvestmentsFairValueDisclosure_1ECE0925DD49F754C0A95D971B5C1B05" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AlternativeInvestmentsFairValueDisclosure_1ECE0925DD49F754C0A95D971B5C1B05" xlink:to="lab_us-gaap_AlternativeInvestmentsFairValueDisclosure_1ECE0925DD49F754C0A95D971B5C1B05" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherInvestmentsAbstract_E45CE36287EA0B0A54ED5D971B5C9EED_terseLabel_en-US" xlink:label="lab_us-gaap_OtherInvestmentsAbstract_E45CE36287EA0B0A54ED5D971B5C9EED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commingled funds</link:label>
    <link:label id="lab_us-gaap_OtherInvestmentsAbstract_E45CE36287EA0B0A54ED5D971B5C9EED_label_en-US" xlink:label="lab_us-gaap_OtherInvestmentsAbstract_E45CE36287EA0B0A54ED5D971B5C9EED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Investments [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherInvestmentsAbstract" xlink:label="loc_us-gaap_OtherInvestmentsAbstract_E45CE36287EA0B0A54ED5D971B5C9EED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherInvestmentsAbstract_E45CE36287EA0B0A54ED5D971B5C9EED" xlink:to="lab_us-gaap_OtherInvestmentsAbstract_E45CE36287EA0B0A54ED5D971B5C9EED" xlink:type="arc" />
    <link:label id="lab_tve_EquitySecurityCommingledFunds_CED73FEE4B150579C8C85D971B5C6CA4_terseLabel_en-US" xlink:label="lab_tve_EquitySecurityCommingledFunds_CED73FEE4B150579C8C85D971B5C6CA4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity security commingled funds</link:label>
    <link:label id="lab_tve_EquitySecurityCommingledFunds_CED73FEE4B150579C8C85D971B5C6CA4_label_en-US" xlink:label="lab_tve_EquitySecurityCommingledFunds_CED73FEE4B150579C8C85D971B5C6CA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity security commingled funds</link:label>
    <link:label id="lab_tve_EquitySecurityCommingledFunds_CED73FEE4B150579C8C85D971B5C6CA4_documentation_en-US" xlink:label="lab_tve_EquitySecurityCommingledFunds_CED73FEE4B150579C8C85D971B5C6CA4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The fair value measurements of investment funds comprised of multiple individual financial instruments that are classified based on their existing investment portfolio as of the measurement date. Equity security commingled funds are exclusively composed of equity securities.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_EquitySecurityCommingledFunds" xlink:label="loc_tve_EquitySecurityCommingledFunds_CED73FEE4B150579C8C85D971B5C6CA4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_EquitySecurityCommingledFunds_CED73FEE4B150579C8C85D971B5C6CA4" xlink:to="lab_tve_EquitySecurityCommingledFunds_CED73FEE4B150579C8C85D971B5C6CA4" xlink:type="arc" />
    <link:label id="lab_tve_DebtSecurityCommingledFunds_00B17F802B5356B93C055D971B5C8124_terseLabel_en-US" xlink:label="lab_tve_DebtSecurityCommingledFunds_00B17F802B5356B93C055D971B5C8124" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt security commingled funds</link:label>
    <link:label id="lab_tve_DebtSecurityCommingledFunds_00B17F802B5356B93C055D971B5C8124_label_en-US" xlink:label="lab_tve_DebtSecurityCommingledFunds_00B17F802B5356B93C055D971B5C8124" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt security commingled funds</link:label>
    <link:label id="lab_tve_DebtSecurityCommingledFunds_00B17F802B5356B93C055D971B5C8124_documentation_en-US" xlink:label="lab_tve_DebtSecurityCommingledFunds_00B17F802B5356B93C055D971B5C8124" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The fair value measurements of investment funds comprised of multiple individual financial instruments that are classified based on their existing investment portfolio as of the measurement date. Debt security commingled funds are exclusively composed of debt securities.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DebtSecurityCommingledFunds" xlink:label="loc_tve_DebtSecurityCommingledFunds_00B17F802B5356B93C055D971B5C8124" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DebtSecurityCommingledFunds_00B17F802B5356B93C055D971B5C8124" xlink:to="lab_tve_DebtSecurityCommingledFunds_00B17F802B5356B93C055D971B5C8124" xlink:type="arc" />
    <link:label id="lab_us-gaap_InvestmentsFairValueDisclosure_3EA709B21660152A65795D971B5C24CC_totalLabel_en-US" xlink:label="lab_us-gaap_InvestmentsFairValueDisclosure_3EA709B21660152A65795D971B5C24CC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total investments</link:label>
    <link:label id="lab_us-gaap_InvestmentsFairValueDisclosure_3EA709B21660152A65795D971B5C24CC_label_en-US" xlink:label="lab_us-gaap_InvestmentsFairValueDisclosure_3EA709B21660152A65795D971B5C24CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments, Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_3EA709B21660152A65795D971B5C24CC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_3EA709B21660152A65795D971B5C24CC" xlink:to="lab_us-gaap_InvestmentsFairValueDisclosure_3EA709B21660152A65795D971B5C24CC" xlink:type="arc" />
    <link:label id="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_21B17C25FFC70F0855EA5D971B5C01B0_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_21B17C25FFC70F0855EA5D971B5C01B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency swaps</link:label>
    <link:label id="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_21B17C25FFC70F0855EA5D971B5C01B0_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_21B17C25FFC70F0855EA5D971B5C01B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Contract, Asset, Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyContractAssetFairValueDisclosure" xlink:label="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_21B17C25FFC70F0855EA5D971B5C01B0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_21B17C25FFC70F0855EA5D971B5C01B0" xlink:to="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_21B17C25FFC70F0855EA5D971B5C01B0" xlink:type="arc" />
    <link:label id="lab_tve_DerivativeAssetsUnderFTPAbstract_627ADAB8A7B96CB1DC105D971B5C7709_terseLabel_en-US" xlink:label="lab_tve_DerivativeAssetsUnderFTPAbstract_627ADAB8A7B96CB1DC105D971B5C7709" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity derivatives under FTP</link:label>
    <link:label id="lab_tve_DerivativeAssetsUnderFTPAbstract_627ADAB8A7B96CB1DC105D971B5C7709_label_en-US" xlink:label="lab_tve_DerivativeAssetsUnderFTPAbstract_627ADAB8A7B96CB1DC105D971B5C7709" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Assets Under FTP [Abstract]</link:label>
    <link:label id="lab_tve_DerivativeAssetsUnderFTPAbstract_627ADAB8A7B96CB1DC105D971B5C7709_documentation_en-US" xlink:label="lab_tve_DerivativeAssetsUnderFTPAbstract_627ADAB8A7B96CB1DC105D971B5C7709" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Assets Under FTP [Abstract]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DerivativeAssetsUnderFTPAbstract" xlink:label="loc_tve_DerivativeAssetsUnderFTPAbstract_627ADAB8A7B96CB1DC105D971B5C7709" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DerivativeAssetsUnderFTPAbstract_627ADAB8A7B96CB1DC105D971B5C7709" xlink:to="lab_tve_DerivativeAssetsUnderFTPAbstract_627ADAB8A7B96CB1DC105D971B5C7709" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_E85D986EA6378657779B5D971B5C27BA_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_E85D986EA6378657779B5D971B5C27BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap contracts</link:label>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_E85D986EA6378657779B5D971B5C27BA_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_E85D986EA6378657779B5D971B5C27BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Asset, Fair Value, Gross Asset</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_E85D986EA6378657779B5D971B5C27BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_E85D986EA6378657779B5D971B5C27BA" xlink:to="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_E85D986EA6378657779B5D971B5C27BA" xlink:type="arc" />
    <link:label id="lab_tve_TotalcommodityderivativeassetsunderFTP_05A3FA0A00CD466C55E85D971B5C91EA_terseLabel_en-US" xlink:label="lab_tve_TotalcommodityderivativeassetsunderFTP_05A3FA0A00CD466C55E85D971B5C91EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total commodity derivatives under FTP</link:label>
    <link:label id="lab_tve_TotalcommodityderivativeassetsunderFTP_05A3FA0A00CD466C55E85D971B5C91EA_label_en-US" xlink:label="lab_tve_TotalcommodityderivativeassetsunderFTP_05A3FA0A00CD466C55E85D971B5C91EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total commodity derivative assets under FTP</link:label>
    <link:label id="lab_tve_TotalcommodityderivativeassetsunderFTP_05A3FA0A00CD466C55E85D971B5C91EA_documentation_en-US" xlink:label="lab_tve_TotalcommodityderivativeassetsunderFTP_05A3FA0A00CD466C55E85D971B5C91EA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total commodity derivative assets under FTP</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_TotalcommodityderivativeassetsunderFTP" xlink:label="loc_tve_TotalcommodityderivativeassetsunderFTP_05A3FA0A00CD466C55E85D971B5C91EA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_TotalcommodityderivativeassetsunderFTP_05A3FA0A00CD466C55E85D971B5C91EA" xlink:to="lab_tve_TotalcommodityderivativeassetsunderFTP_05A3FA0A00CD466C55E85D971B5C91EA" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsFairValueDisclosure_EA28760DE5FA5B8143995D971B5C5B3F_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsFairValueDisclosure_EA28760DE5FA5B8143995D971B5C5B3F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_AssetsFairValueDisclosure_EA28760DE5FA5B8143995D971B5C5B3F_label_en-US" xlink:label="lab_us-gaap_AssetsFairValueDisclosure_EA28760DE5FA5B8143995D971B5C5B3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_EA28760DE5FA5B8143995D971B5C5B3F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_EA28760DE5FA5B8143995D971B5C5B3F" xlink:to="lab_us-gaap_AssetsFairValueDisclosure_EA28760DE5FA5B8143995D971B5C5B3F" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesFairValueDisclosureAbstract_E2B3B52F7F002B49DF755D971B5C1769_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesFairValueDisclosureAbstract_E2B3B52F7F002B49DF755D971B5C1769" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities [Abstract]</link:label>
    <link:label id="lab_us-gaap_LiabilitiesFairValueDisclosureAbstract_E2B3B52F7F002B49DF755D971B5C1769_label_en-US" xlink:label="lab_us-gaap_LiabilitiesFairValueDisclosureAbstract_E2B3B52F7F002B49DF755D971B5C1769" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Fair Value Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_E2B3B52F7F002B49DF755D971B5C1769" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_2D1545DCCAD6FC9F942F5D971B5CA28D_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_2D1545DCCAD6FC9F942F5D971B5CA28D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency swaps</link:label>
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    <link:label id="lab_tve_CreditOfCustomersMember_371E126BEF46ACC078A258DA3C1E729C_label_en-US" xlink:label="lab_tve_CreditOfCustomersMember_371E126BEF46ACC078A258DA3C1E729C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit of Customers [Member]</link:label>
    <link:label id="lab_tve_CreditOfCustomersMember_371E126BEF46ACC078A258DA3C1E729C_documentation_en-US" xlink:label="lab_tve_CreditOfCustomersMember_371E126BEF46ACC078A258DA3C1E729C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit of Customers [Member]</link:label>
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    <link:label id="lab_us-gaap_LongTermContractForPurchaseOfElectricPowerDomain_DF67A06407FDCD2BE28D58DA3C1E7771_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermContractForPurchaseOfElectricPowerDomain_DF67A06407FDCD2BE28D58DA3C1E7771" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Power Purchase Agreement</link:label>
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    <link:label id="lab_tve_NumberOfCustomersThatRepresentPercentOfOutstandingAccountsReceivable_9EC9FE8A929647B5F1D958DA3C1EA4B7_terseLabel_en-US" xlink:label="lab_tve_NumberOfCustomersThatRepresentPercentOfOutstandingAccountsReceivable_9EC9FE8A929647B5F1D958DA3C1EA4B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of customers that represent the percent of outstanding accounts receivable</link:label>
    <link:label id="lab_tve_NumberOfCustomersThatRepresentPercentOfOutstandingAccountsReceivable_9EC9FE8A929647B5F1D958DA3C1EA4B7_label_en-US" xlink:label="lab_tve_NumberOfCustomersThatRepresentPercentOfOutstandingAccountsReceivable_9EC9FE8A929647B5F1D958DA3C1EA4B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of customers that represent the percent of outstanding accounts receivable</link:label>
    <link:label id="lab_tve_NumberOfCustomersThatRepresentPercentOfOutstandingAccountsReceivable_9EC9FE8A929647B5F1D958DA3C1EA4B7_documentation_en-US" xlink:label="lab_tve_NumberOfCustomersThatRepresentPercentOfOutstandingAccountsReceivable_9EC9FE8A929647B5F1D958DA3C1EA4B7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of customers that represent the percent of outstanding accounts receivable.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfCustomersThatRepresentPercentOfOutstandingAccountsReceivable" xlink:label="loc_tve_NumberOfCustomersThatRepresentPercentOfOutstandingAccountsReceivable_9EC9FE8A929647B5F1D958DA3C1EA4B7" xlink:type="locator" />
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    <link:label id="lab_tve_PercentOfTotalOutstandingAccountsReceivables_B565F32D03EE185EE00D58DA3C1EF78D_terseLabel_en-US" xlink:label="lab_tve_PercentOfTotalOutstandingAccountsReceivables_B565F32D03EE185EE00D58DA3C1EF78D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percent of total outstanding accounts receivables by customers</link:label>
    <link:label id="lab_tve_PercentOfTotalOutstandingAccountsReceivables_B565F32D03EE185EE00D58DA3C1EF78D_label_en-US" xlink:label="lab_tve_PercentOfTotalOutstandingAccountsReceivables_B565F32D03EE185EE00D58DA3C1EF78D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percent of total outstanding accounts receivables</link:label>
    <link:label id="lab_tve_PercentOfTotalOutstandingAccountsReceivables_B565F32D03EE185EE00D58DA3C1EF78D_documentation_en-US" xlink:label="lab_tve_PercentOfTotalOutstandingAccountsReceivables_B565F32D03EE185EE00D58DA3C1EF78D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percent of total outstanding accounts receivables represented by a certain number of customers.</link:label>
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    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_9CE869AF7950349B541058DA3C1E65CF_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_9CE869AF7950349B541058DA3C1E65CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percent of operating revenue represented by largest industrial customer</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_9CE869AF7950349B541058DA3C1E65CF_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_9CE869AF7950349B541058DA3C1E65CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk, Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_9CE869AF7950349B541058DA3C1E65CF" xlink:type="locator" />
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    <link:label id="lab_tve_NumberOfActiveFutureCommissionMerchants_5A5368525E8F9F6ECED658DA3C1ECA72_terseLabel_en-US" xlink:label="lab_tve_NumberOfActiveFutureCommissionMerchants_5A5368525E8F9F6ECED658DA3C1ECA72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of active future commission merchants</link:label>
    <link:label id="lab_tve_NumberOfActiveFutureCommissionMerchants_5A5368525E8F9F6ECED658DA3C1ECA72_label_en-US" xlink:label="lab_tve_NumberOfActiveFutureCommissionMerchants_5A5368525E8F9F6ECED658DA3C1ECA72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of active future commission merchants</link:label>
    <link:label id="lab_tve_NumberOfActiveFutureCommissionMerchants_5A5368525E8F9F6ECED658DA3C1ECA72_documentation_en-US" xlink:label="lab_tve_NumberOfActiveFutureCommissionMerchants_5A5368525E8F9F6ECED658DA3C1ECA72" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of active future commission merchants to clear commodity contracts.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfActiveFutureCommissionMerchants" xlink:label="loc_tve_NumberOfActiveFutureCommissionMerchants_5A5368525E8F9F6ECED658DA3C1ECA72" xlink:type="locator" />
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    <link:label id="lab_tve_Megawatts_16F4394A56ACA367BA0B58DA3C1E6F44_terseLabel_en-US" xlink:label="lab_tve_Megawatts_16F4394A56ACA367BA0B58DA3C1E6F44" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Megawatts in a power purchase agreement that expires on March 31, 2032</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Megawatts" xlink:label="loc_tve_Megawatts_16F4394A56ACA367BA0B58DA3C1E6F44" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_6D84874580B95F38793657694B8465CE_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_6D84874580B95F38793657694B8465CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_6D84874580B95F38793657694B8465CE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherSignificantNoncashTransactionsTable_3BF257221F8ABDD379B457694B84F042_label_en-US" xlink:label="lab_us-gaap_OtherSignificantNoncashTransactionsTable_3BF257221F8ABDD379B457694B84F042" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Significant Noncash Transactions [Table]</link:label>
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    <link:label id="lab_us-gaap_OtherSignificantNoncashTransactionNameDomain_895C4A710AC8A037557D57694B84A611_label_en-US" xlink:label="lab_us-gaap_OtherSignificantNoncashTransactionNameDomain_895C4A710AC8A037557D57694B84A611" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Significant Noncash Transaction, Name [Domain]</link:label>
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    <link:label id="lab_tve_DebtGeneralTable_F434FD1031D3647192974FE1E3D46E39_verboseLabel_en-US" xlink:label="lab_tve_DebtGeneralTable_F434FD1031D3647192974FE1E3D46E39" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DebtGeneralTable" xlink:label="loc_tve_DebtGeneralTable_F434FD1031D3647192974FE1E3D46E39" xlink:type="locator" />
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    <link:label id="lab_tve_TotalOutstandingDiscountNotes_FE4A43CE30674BC5DC0A4FE1E3D42B6A_label_en-US" xlink:label="lab_tve_TotalOutstandingDiscountNotes_FE4A43CE30674BC5DC0A4FE1E3D42B6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total outstanding discount notes</link:label>
    <link:label id="lab_tve_TotalOutstandingDiscountNotes_FE4A43CE30674BC5DC0A4FE1E3D42B6A_documentation_en-US" xlink:label="lab_tve_TotalOutstandingDiscountNotes_FE4A43CE30674BC5DC0A4FE1E3D42B6A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total outstanding discount notes</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_TotalOutstandingDiscountNotes" xlink:label="loc_tve_TotalOutstandingDiscountNotes_FE4A43CE30674BC5DC0A4FE1E3D42B6A" xlink:type="locator" />
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    <link:label id="lab_tve_LongTermPowerBondsIncludingCurrentMaturities_8592EAC0419CF949C0D24FE1E3D48AF5_verboseLabel_en-US" xlink:label="lab_tve_LongTermPowerBondsIncludingCurrentMaturities_8592EAC0419CF949C0D24FE1E3D48AF5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Outstanding long-term debt including current maturities)</link:label>
    <link:label id="lab_tve_LongTermPowerBondsIncludingCurrentMaturities_8592EAC0419CF949C0D24FE1E3D48AF5_label_en-US" xlink:label="lab_tve_LongTermPowerBondsIncludingCurrentMaturities_8592EAC0419CF949C0D24FE1E3D48AF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term power bonds including current maturities</link:label>
    <link:label id="lab_tve_LongTermPowerBondsIncludingCurrentMaturities_8592EAC0419CF949C0D24FE1E3D48AF5_documentation_en-US" xlink:label="lab_tve_LongTermPowerBondsIncludingCurrentMaturities_8592EAC0419CF949C0D24FE1E3D48AF5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long-term power bonds including current maturities</link:label>
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    <link:label id="lab_us-gaap_DebtLongtermAndShorttermCombinedAmount_F1F52E97285E2633E2D44FE1E3D49305_terseLabel_en-US" xlink:label="lab_us-gaap_DebtLongtermAndShorttermCombinedAmount_F1F52E97285E2633E2D44FE1E3D49305" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term and short-term debt combined</link:label>
    <link:label id="lab_us-gaap_DebtLongtermAndShorttermCombinedAmount_F1F52E97285E2633E2D44FE1E3D49305_label_en-US" xlink:label="lab_us-gaap_DebtLongtermAndShorttermCombinedAmount_F1F52E97285E2633E2D44FE1E3D49305" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt, Long-term and Short-term, Combined Amount</link:label>
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    <link:label id="lab_tve_NumberOfVies_723EEB3AA95B4DBAB4514FE1E3D43C7F_terseLabel_en-US" xlink:label="lab_tve_NumberOfVies_723EEB3AA95B4DBAB4514FE1E3D43C7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of VIEs</link:label>
    <link:label id="lab_tve_NumberOfVies_723EEB3AA95B4DBAB4514FE1E3D43C7F_label_en-US" xlink:label="lab_tve_NumberOfVies_723EEB3AA95B4DBAB4514FE1E3D43C7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of VIEs</link:label>
    <link:label id="lab_tve_NumberOfVies_723EEB3AA95B4DBAB4514FE1E3D43C7F_documentation_en-US" xlink:label="lab_tve_NumberOfVies_723EEB3AA95B4DBAB4514FE1E3D43C7F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of VIEs</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfVies" xlink:label="loc_tve_NumberOfVies_723EEB3AA95B4DBAB4514FE1E3D43C7F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfVies_723EEB3AA95B4DBAB4514FE1E3D43C7F" xlink:to="lab_tve_NumberOfVies_723EEB3AA95B4DBAB4514FE1E3D43C7F" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_368834B79434F82EF87D4FE1E3D44E55_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_368834B79434F82EF87D4FE1E3D44E55" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding long-term debt (including current maturities) of VIEs</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_368834B79434F82EF87D4FE1E3D44E55_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_368834B79434F82EF87D4FE1E3D44E55" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_368834B79434F82EF87D4FE1E3D44E55" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_1EC7E892B21A58527AB14FE1E1826786_label_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_1EC7E892B21A58527AB14FE1E1826786" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Variable Interest Entities [Table Text Block]</link:label>
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    <link:label id="lab_tve_CollateralAbstract_5FEC2A264E77680A71E3599CD3395B12_label_en-US" xlink:label="lab_tve_CollateralAbstract_5FEC2A264E77680A71E3599CD3395B12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateral [Abstract]</link:label>
    <link:label id="lab_tve_CollateralAbstract_5FEC2A264E77680A71E3599CD3395B12_documentation_en-US" xlink:label="lab_tve_CollateralAbstract_5FEC2A264E77680A71E3599CD3395B12" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Collateral [Abstract]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CollateralAbstract" xlink:label="loc_tve_CollateralAbstract_5FEC2A264E77680A71E3599CD3395B12" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SecuritiesPledgedAsCollateralMember_D29AECFBB84856992D8E599CD339ABCB_terseLabel_en-US" xlink:label="lab_us-gaap_SecuritiesPledgedAsCollateralMember_D29AECFBB84856992D8E599CD339ABCB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateral</link:label>
    <link:label id="lab_us-gaap_SecuritiesPledgedAsCollateralMember_D29AECFBB84856992D8E599CD339ABCB_label_en-US" xlink:label="lab_us-gaap_SecuritiesPledgedAsCollateralMember_D29AECFBB84856992D8E599CD339ABCB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Securities Pledged as Collateral [Member]</link:label>
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    <link:label id="lab_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_BF33E0E4ACDBAA7B6DC1599CD3393F57_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_BF33E0E4ACDBAA7B6DC1599CD3393F57" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate fair value of derivative instruments with credit-risk related contingent features that were in a liability position</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:label="loc_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_BF33E0E4ACDBAA7B6DC1599CD3393F57" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DerivativeCollateralRightToReclaimCash_23CC6E1857DDCEE31CC4599CD3391851_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeCollateralRightToReclaimCash_23CC6E1857DDCEE31CC4599CD3391851" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateral obligations</link:label>
    <link:label id="lab_us-gaap_DerivativeCollateralRightToReclaimCash_23CC6E1857DDCEE31CC4599CD3391851_label_en-US" xlink:label="lab_us-gaap_DerivativeCollateralRightToReclaimCash_23CC6E1857DDCEE31CC4599CD3391851" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Collateral, Right to Reclaim Cash</link:label>
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    <link:label id="lab_us-gaap_CollateralAlreadyPostedAggregateFairValue_5CF2447A17D2D2C5410B599CD339D13C_terseLabel_en-US" xlink:label="lab_us-gaap_CollateralAlreadyPostedAggregateFairValue_5CF2447A17D2D2C5410B599CD339D13C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateral already posted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CollateralAlreadyPostedAggregateFairValue" xlink:label="loc_us-gaap_CollateralAlreadyPostedAggregateFairValue_5CF2447A17D2D2C5410B599CD339D13C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInCashCollateralForLoanedSecurities_03F40D51F73B48C44DF2599CD339DC5B_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInCashCollateralForLoanedSecurities_03F40D51F73B48C44DF2599CD339DC5B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Likely cash collateral obligation increase if credit is downgraded</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInCashCollateralForLoanedSecurities" xlink:label="loc_us-gaap_IncreaseDecreaseInCashCollateralForLoanedSecurities_03F40D51F73B48C44DF2599CD339DC5B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherLiabilitiesDisclosureTextBlock_EB6647F2EA29E1B519F54FE1E3A50329_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesDisclosureTextBlock_EB6647F2EA29E1B519F54FE1E3A50329" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other Long-Term Liabilities</link:label>
    <link:label id="lab_us-gaap_OtherLiabilitiesDisclosureTextBlock_EB6647F2EA29E1B519F54FE1E3A50329_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesDisclosureTextBlock_EB6647F2EA29E1B519F54FE1E3A50329" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities Disclosure [Text Block]</link:label>
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    <link:label id="lab_tve_SecuredDebtOfViesAbstract_4EBB03D855D74B2A626F5C359E6A8A9C_label_en-US" xlink:label="lab_tve_SecuredDebtOfViesAbstract_4EBB03D855D74B2A626F5C359E6A8A9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt of VIEs [Abstract]</link:label>
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    <link:label id="lab_tve_SCCGMember_C84D89A9AD698436C3105C359E6AAFD7_terseLabel_en-US" xlink:label="lab_tve_SCCGMember_C84D89A9AD698436C3105C359E6AAFD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SCCG</link:label>
    <link:label id="lab_tve_SCCGMember_C84D89A9AD698436C3105C359E6AAFD7_label_en-US" xlink:label="lab_tve_SCCGMember_C84D89A9AD698436C3105C359E6AAFD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SCCG [Member]</link:label>
    <link:label id="lab_tve_SCCGMember_C84D89A9AD698436C3105C359E6AAFD7_documentation_en-US" xlink:label="lab_tve_SCCGMember_C84D89A9AD698436C3105C359E6AAFD7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Southaven Combined Cycle Generation, LLC</link:label>
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    <link:label id="lab_tve_JsccgMember_A10A8FEA8525C7B8CFD15C359E6A43EE_terseLabel_en-US" xlink:label="lab_tve_JsccgMember_A10A8FEA8525C7B8CFD15C359E6A43EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">JSCCG</link:label>
    <link:label id="lab_tve_JsccgMember_A10A8FEA8525C7B8CFD15C359E6A43EE_label_en-US" xlink:label="lab_tve_JsccgMember_A10A8FEA8525C7B8CFD15C359E6A43EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">JSCCG [Member]</link:label>
    <link:label id="lab_tve_JsccgMember_A10A8FEA8525C7B8CFD15C359E6A43EE_documentation_en-US" xlink:label="lab_tve_JsccgMember_A10A8FEA8525C7B8CFD15C359E6A43EE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">John Sevier Combined Cycle Generation LLC</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_JsccgMember" xlink:label="loc_tve_JsccgMember_A10A8FEA8525C7B8CFD15C359E6A43EE" xlink:type="locator" />
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    <link:label id="lab_tve_HoldcoMember_4D9F1D420D59CCD05A185C359E6A3A78_label_en-US" xlink:label="lab_tve_HoldcoMember_4D9F1D420D59CCD05A185C359E6A3A78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Holdco [Member]</link:label>
    <link:label id="lab_tve_HoldcoMember_4D9F1D420D59CCD05A185C359E6A3A78_documentation_en-US" xlink:label="lab_tve_HoldcoMember_4D9F1D420D59CCD05A185C359E6A3A78" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">John Sevier Holdco LLC</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_F4D51D1D3F716C4585AD5C359E6ADEED_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_F4D51D1D3F716C4585AD5C359E6ADEED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Face amount</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_F4D51D1D3F716C4585AD5C359E6ADEED_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_F4D51D1D3F716C4585AD5C359E6ADEED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Face Amount</link:label>
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    <link:label id="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmount_EB189BF4894457AFBC4E5C359E6AD7BD_terseLabel_en-US" xlink:label="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmount_EB189BF4894457AFBC4E5C359E6AD7BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Membership interests of VIE subject to mandatory redemption</link:label>
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    <link:label id="lab_tve_HoldcoBalloonPayment_41B62886BFF12521B24E5C359E6A42B9_terseLabel_en-US" xlink:label="lab_tve_HoldcoBalloonPayment_41B62886BFF12521B24E5C359E6A42B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Holdco balloon payment upon maturity</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_E81E36A1AA99CD2AAA395C70F234FFB6" xlink:to="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable_E81E36A1AA99CD2AAA395C70F234FFB6" xlink:type="arc" />
    <link:label id="lab_tve_InterestPayableCurrentMember_4EE736CDF4491415D7795C70F234CCC7_terseLabel_en-US" xlink:label="lab_tve_InterestPayableCurrentMember_4EE736CDF4491415D7795C70F234CCC7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Payable, Current</link:label>
    <link:label id="lab_tve_InterestPayableCurrentMember_4EE736CDF4491415D7795C70F234CCC7_label_en-US" xlink:label="lab_tve_InterestPayableCurrentMember_4EE736CDF4491415D7795C70F234CCC7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Payable, Current [Member]</link:label>
    <link:label id="lab_tve_InterestPayableCurrentMember_4EE736CDF4491415D7795C70F234CCC7_documentation_en-US" xlink:label="lab_tve_InterestPayableCurrentMember_4EE736CDF4491415D7795C70F234CCC7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Primary financial statement caption encompassing interest payable, current.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_InterestPayableCurrentMember" xlink:label="loc_tve_InterestPayableCurrentMember_4EE736CDF4491415D7795C70F234CCC7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_InterestPayableCurrentMember_4EE736CDF4491415D7795C70F234CCC7" xlink:to="lab_tve_InterestPayableCurrentMember_4EE736CDF4491415D7795C70F234CCC7" xlink:type="arc" />
    <link:label id="lab_tve_OtherLongtermDebtCurrentMember_5B5715E13E77CBBA38015C70F234106D_terseLabel_en-US" xlink:label="lab_tve_OtherLongtermDebtCurrentMember_5B5715E13E77CBBA38015C70F234106D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Long-term Debt, Current</link:label>
    <link:label id="lab_tve_OtherLongtermDebtCurrentMember_5B5715E13E77CBBA38015C70F234106D_label_en-US" xlink:label="lab_tve_OtherLongtermDebtCurrentMember_5B5715E13E77CBBA38015C70F234106D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Long-term Debt, Current [Member]</link:label>
    <link:label id="lab_tve_OtherLongtermDebtCurrentMember_5B5715E13E77CBBA38015C70F234106D_documentation_en-US" xlink:label="lab_tve_OtherLongtermDebtCurrentMember_5B5715E13E77CBBA38015C70F234106D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Primary financial statement caption encompassing other long-term debt, current [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_OtherLongtermDebtCurrentMember" xlink:label="loc_tve_OtherLongtermDebtCurrentMember_5B5715E13E77CBBA38015C70F234106D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_OtherLongtermDebtCurrentMember_5B5715E13E77CBBA38015C70F234106D" xlink:to="lab_tve_OtherLongtermDebtCurrentMember_5B5715E13E77CBBA38015C70F234106D" xlink:type="arc" />
    <link:label id="lab_tve_LiabilitiesCurrentMember_E75D644988F101D313045C70F234A5EA_terseLabel_en-US" xlink:label="lab_tve_LiabilitiesCurrentMember_E75D644988F101D313045C70F234A5EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities, Current</link:label>
    <link:label id="lab_tve_LiabilitiesCurrentMember_E75D644988F101D313045C70F234A5EA_label_en-US" xlink:label="lab_tve_LiabilitiesCurrentMember_E75D644988F101D313045C70F234A5EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current [Member]</link:label>
    <link:label id="lab_tve_LiabilitiesCurrentMember_E75D644988F101D313045C70F234A5EA_documentation_en-US" xlink:label="lab_tve_LiabilitiesCurrentMember_E75D644988F101D313045C70F234A5EA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Primary financial statement caption encompassing liabilities, current [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_LiabilitiesCurrentMember" xlink:label="loc_tve_LiabilitiesCurrentMember_E75D644988F101D313045C70F234A5EA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_LiabilitiesCurrentMember_E75D644988F101D313045C70F234A5EA" xlink:to="lab_tve_LiabilitiesCurrentMember_E75D644988F101D313045C70F234A5EA" xlink:type="arc" />
    <link:label id="lab_tve_LongtermdebtofvariableinterestentitiesMember_8F581B4E6C5F92AA194C5C70F2348E12_terseLabel_en-US" xlink:label="lab_tve_LongtermdebtofvariableinterestentitiesMember_8F581B4E6C5F92AA194C5C70F2348E12" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt of variable interest entities</link:label>
    <link:label id="lab_tve_LongtermdebtofvariableinterestentitiesMember_8F581B4E6C5F92AA194C5C70F2348E12_label_en-US" xlink:label="lab_tve_LongtermdebtofvariableinterestentitiesMember_8F581B4E6C5F92AA194C5C70F2348E12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term debt of variable interest entities [Member]</link:label>
    <link:label id="lab_tve_LongtermdebtofvariableinterestentitiesMember_8F581B4E6C5F92AA194C5C70F2348E12_documentation_en-US" xlink:label="lab_tve_LongtermdebtofvariableinterestentitiesMember_8F581B4E6C5F92AA194C5C70F2348E12" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Primary financial statement caption encompassing long-term debt of variable interest entities [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_LongtermdebtofvariableinterestentitiesMember" xlink:label="loc_tve_LongtermdebtofvariableinterestentitiesMember_8F581B4E6C5F92AA194C5C70F2348E12" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_LongtermdebtofvariableinterestentitiesMember_8F581B4E6C5F92AA194C5C70F2348E12" xlink:to="lab_tve_LongtermdebtofvariableinterestentitiesMember_8F581B4E6C5F92AA194C5C70F2348E12" xlink:type="arc" />
    <link:label id="lab_us-gaap_VariableInterestEntityLineItems_642432CB72BDA49070615C70F2340466_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityLineItems_642432CB72BDA49070615C70F2340466" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Interest Entities</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityLineItems_642432CB72BDA49070615C70F2340466_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityLineItems_642432CB72BDA49070615C70F2340466" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_642432CB72BDA49070615C70F2340466" xlink:type="locator" />
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    <link:label id="lab_tve_SsslsOwnershipInterest_7F0A9CA4407C4881B3515C70F234A36B_terseLabel_en-US" xlink:label="lab_tve_SsslsOwnershipInterest_7F0A9CA4407C4881B3515C70F234A36B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SSSL's former ownership interest</link:label>
    <link:label id="lab_tve_SsslsOwnershipInterest_7F0A9CA4407C4881B3515C70F234A36B_label_en-US" xlink:label="lab_tve_SsslsOwnershipInterest_7F0A9CA4407C4881B3515C70F234A36B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SSSL's ownership interest</link:label>
    <link:label id="lab_tve_SsslsOwnershipInterest_7F0A9CA4407C4881B3515C70F234A36B_documentation_en-US" xlink:label="lab_tve_SsslsOwnershipInterest_7F0A9CA4407C4881B3515C70F234A36B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">SSSL's ownership interest in the combined cycle combustion turbine facility in Southhaven, Mississippi.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_SsslsOwnershipInterest" xlink:label="loc_tve_SsslsOwnershipInterest_7F0A9CA4407C4881B3515C70F234A36B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_SsslsOwnershipInterest_7F0A9CA4407C4881B3515C70F234A36B" xlink:to="lab_tve_SsslsOwnershipInterest_7F0A9CA4407C4881B3515C70F234A36B" xlink:type="arc" />
    <link:label id="lab_tve_Orginalleaseterm_AC8B34ED861B9AF762205C70F2343575_terseLabel_en-US" xlink:label="lab_tve_Orginalleaseterm_AC8B34ED861B9AF762205C70F2343575" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">orginal lease term</link:label>
    <link:label id="lab_tve_Orginalleaseterm_AC8B34ED861B9AF762205C70F2343575_label_en-US" xlink:label="lab_tve_Orginalleaseterm_AC8B34ED861B9AF762205C70F2343575" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">orginal lease term</link:label>
    <link:label id="lab_tve_Orginalleaseterm_AC8B34ED861B9AF762205C70F2343575_documentation_en-US" xlink:label="lab_tve_Orginalleaseterm_AC8B34ED861B9AF762205C70F2343575" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Original term of lease.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Orginalleaseterm" xlink:label="loc_tve_Orginalleaseterm_AC8B34ED861B9AF762205C70F2343575" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_Orginalleaseterm_AC8B34ED861B9AF762205C70F2343575" xlink:to="lab_tve_Orginalleaseterm_AC8B34ED861B9AF762205C70F2343575" xlink:type="arc" />
    <link:label id="lab_tve_VariableInterestEntityInitialConsolidatedCarryingAmountLiabilities_9AC330256428D1A1742E5C70F2343B7A_terseLabel_en-US" xlink:label="lab_tve_VariableInterestEntityInitialConsolidatedCarryingAmountLiabilities_9AC330256428D1A1742E5C70F2343B7A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Initial liability</link:label>
    <link:label id="lab_tve_VariableInterestEntityInitialConsolidatedCarryingAmountLiabilities_9AC330256428D1A1742E5C70F2343B7A_label_en-US" xlink:label="lab_tve_VariableInterestEntityInitialConsolidatedCarryingAmountLiabilities_9AC330256428D1A1742E5C70F2343B7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity, Initial Consolidated, Carrying Amount, Liabilities</link:label>
    <link:label id="lab_tve_VariableInterestEntityInitialConsolidatedCarryingAmountLiabilities_9AC330256428D1A1742E5C70F2343B7A_documentation_en-US" xlink:label="lab_tve_VariableInterestEntityInitialConsolidatedCarryingAmountLiabilities_9AC330256428D1A1742E5C70F2343B7A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The initial carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_VariableInterestEntityInitialConsolidatedCarryingAmountLiabilities" xlink:label="loc_tve_VariableInterestEntityInitialConsolidatedCarryingAmountLiabilities_9AC330256428D1A1742E5C70F2343B7A" xlink:type="locator" />
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    <link:label id="lab_tve_VieFinancingAbstract_23E5A5413FF98D3F61615C70F234F22F_terseLabel_en-US" xlink:label="lab_tve_VieFinancingAbstract_23E5A5413FF98D3F61615C70F234F22F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">VIE Financing</link:label>
    <link:label id="lab_tve_VieFinancingAbstract_23E5A5413FF98D3F61615C70F234F22F_label_en-US" xlink:label="lab_tve_VieFinancingAbstract_23E5A5413FF98D3F61615C70F234F22F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">VIE Financing [Abstract]</link:label>
    <link:label id="lab_tve_VieFinancingAbstract_23E5A5413FF98D3F61615C70F234F22F_documentation_en-US" xlink:label="lab_tve_VieFinancingAbstract_23E5A5413FF98D3F61615C70F234F22F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">VIE Financing [Abstract]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_VieFinancingAbstract" xlink:label="loc_tve_VieFinancingAbstract_23E5A5413FF98D3F61615C70F234F22F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_VieFinancingAbstract_23E5A5413FF98D3F61615C70F234F22F" xlink:to="lab_tve_VieFinancingAbstract_23E5A5413FF98D3F61615C70F234F22F" xlink:type="arc" />
    <link:label id="lab_tve_LeaseTerm_BE2FC0999F66D4E16B645C70F2345B68_terseLabel_en-US" xlink:label="lab_tve_LeaseTerm_BE2FC0999F66D4E16B645C70F2345B68" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease term</link:label>
    <link:label id="lab_tve_LeaseTerm_BE2FC0999F66D4E16B645C70F2345B68_label_en-US" xlink:label="lab_tve_LeaseTerm_BE2FC0999F66D4E16B645C70F2345B68" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease term</link:label>
    <link:label id="lab_tve_LeaseTerm_BE2FC0999F66D4E16B645C70F2345B68_documentation_en-US" xlink:label="lab_tve_LeaseTerm_BE2FC0999F66D4E16B645C70F2345B68" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The term of the lease.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_LeaseTerm" xlink:label="loc_tve_LeaseTerm_BE2FC0999F66D4E16B645C70F2345B68" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_LeaseTerm_BE2FC0999F66D4E16B645C70F2345B68" xlink:to="lab_tve_LeaseTerm_BE2FC0999F66D4E16B645C70F2345B68" xlink:type="arc" />
    <link:label id="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_C61A51CB697321A50E105C70F2348927_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_C61A51CB697321A50E105C70F2348927" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_C61A51CB697321A50E105C70F2348927_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_C61A51CB697321A50E105C70F2348927" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity, Consolidated, Carrying Amount, Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities" xlink:label="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_C61A51CB697321A50E105C70F2348927" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_C61A51CB697321A50E105C70F2348927" xlink:to="lab_us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities_C61A51CB697321A50E105C70F2348927" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpenseOther_1F5F77F52084FEBE414A5C70F2342D06_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseOther_1F5F77F52084FEBE414A5C70F2342D06" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_us-gaap_InterestExpenseOther_1F5F77F52084FEBE414A5C70F2342D06_label_en-US" xlink:label="lab_us-gaap_InterestExpenseOther_1F5F77F52084FEBE414A5C70F2342D06" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Other</link:label>
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    <link:label id="lab_us-gaap_IncomeStatementAbstract_6789B7CF66969274F8474FE1E4FD6F40_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_6789B7CF66969274F8474FE1E4FD6F40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_6789B7CF66969274F8474FE1E4FD6F40" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevenuesAbstract_67B0E3973F2EF4F59AE54FE1E4FD02BB_terseLabel_en-US" xlink:label="lab_us-gaap_RevenuesAbstract_67B0E3973F2EF4F59AE54FE1E4FD02BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating revenues</link:label>
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    <link:label id="lab_tve_DecreaseIncreaseInFuelExpense_09D6E2C1DD1B9750F4EE4D2260E4A437_label_en-US" xlink:label="lab_tve_DecreaseIncreaseInFuelExpense_09D6E2C1DD1B9750F4EE4D2260E4A437" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease (increase) in fuel expense</link:label>
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    <link:label id="lab_tve_OtherIncomeAndExpenseAxis_2157B2467F15CDB7BC1E599CD2DC2DD5_label_en-US" xlink:label="lab_tve_OtherIncomeAndExpenseAxis_2157B2467F15CDB7BC1E599CD2DC2DD5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Income and Expense [Axis]</link:label>
    <link:label id="lab_tve_OtherIncomeAndExpenseAxis_2157B2467F15CDB7BC1E599CD2DC2DD5_documentation_en-US" xlink:label="lab_tve_OtherIncomeAndExpenseAxis_2157B2467F15CDB7BC1E599CD2DC2DD5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Income and Expense [Axis]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_OtherIncomeAndExpenseAxis" xlink:label="loc_tve_OtherIncomeAndExpenseAxis_2157B2467F15CDB7BC1E599CD2DC2DD5" xlink:type="locator" />
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    <link:label id="lab_tve_OtherIncomeAndExpenseTypesDomain_1C2847938CE03D76A36E599CD2DC162E_terseLabel_en-US" xlink:label="lab_tve_OtherIncomeAndExpenseTypesDomain_1C2847938CE03D76A36E599CD2DC162E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Income (Expense), Net</link:label>
    <link:label id="lab_tve_OtherIncomeAndExpenseTypesDomain_1C2847938CE03D76A36E599CD2DC162E_label_en-US" xlink:label="lab_tve_OtherIncomeAndExpenseTypesDomain_1C2847938CE03D76A36E599CD2DC162E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Income and Expense Types [Domain]</link:label>
    <link:label id="lab_tve_OtherIncomeAndExpenseTypesDomain_1C2847938CE03D76A36E599CD2DC162E_documentation_en-US" xlink:label="lab_tve_OtherIncomeAndExpenseTypesDomain_1C2847938CE03D76A36E599CD2DC162E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Income and Expense Types [Domain]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_OtherIncomeAndExpenseTypesDomain" xlink:label="loc_tve_OtherIncomeAndExpenseTypesDomain_1C2847938CE03D76A36E599CD2DC162E" xlink:type="locator" />
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    <link:label id="lab_tve_ComponentOfOtherIncomeExpenseLineItems_89CB71C220F5C165C21F599CD2DC2012_terseLabel_en-US" xlink:label="lab_tve_ComponentOfOtherIncomeExpenseLineItems_89CB71C220F5C165C21F599CD2DC2012" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Income (Expense), Net</link:label>
    <link:label id="lab_tve_ComponentOfOtherIncomeExpenseLineItems_89CB71C220F5C165C21F599CD2DC2012_label_en-US" xlink:label="lab_tve_ComponentOfOtherIncomeExpenseLineItems_89CB71C220F5C165C21F599CD2DC2012" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Component of Other Income (Expense) [Line Items]</link:label>
    <link:label id="lab_tve_ComponentOfOtherIncomeExpenseLineItems_89CB71C220F5C165C21F599CD2DC2012_documentation_en-US" xlink:label="lab_tve_ComponentOfOtherIncomeExpenseLineItems_89CB71C220F5C165C21F599CD2DC2012" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Component of Other Income (Expense) [Line Items]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_ComponentOfOtherIncomeExpenseLineItems" xlink:label="loc_tve_ComponentOfOtherIncomeExpenseLineItems_89CB71C220F5C165C21F599CD2DC2012" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_ComponentOfOtherIncomeExpenseLineItems_89CB71C220F5C165C21F599CD2DC2012" xlink:to="lab_tve_ComponentOfOtherIncomeExpenseLineItems_89CB71C220F5C165C21F599CD2DC2012" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestIncomeExpenseNonoperatingNet_7DBDDDFA15B1844B367A599CD2DCD91E_terseLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNonoperatingNet_7DBDDDFA15B1844B367A599CD2DCD91E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income</link:label>
    <link:label id="lab_us-gaap_InterestIncomeExpenseNonoperatingNet_7DBDDDFA15B1844B367A599CD2DCD91E_label_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNonoperatingNet_7DBDDDFA15B1844B367A599CD2DCD91E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income (Expense), Nonoperating, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_7DBDDDFA15B1844B367A599CD2DCD91E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NonoperatingIncomeExpense_B911A973B89E94DD9A93599CD2DC6EE5_terseLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_B911A973B89E94DD9A93599CD2DC6EE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">External services</link:label>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpense_B911A973B89E94DD9A93599CD2DC6EE5_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_B911A973B89E94DD9A93599CD2DC6EE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonoperating Income (Expense)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_B911A973B89E94DD9A93599CD2DC6EE5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GainLossOnInvestments_20407214C989925D5BD1599CD2DC1DFC_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnInvestments_20407214C989925D5BD1599CD2DC1DFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gains (losses) on investments</link:label>
    <link:label id="lab_us-gaap_GainLossOnInvestments_20407214C989925D5BD1599CD2DC1DFC_label_en-US" xlink:label="lab_us-gaap_GainLossOnInvestments_20407214C989925D5BD1599CD2DC1DFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Investments</link:label>
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    <link:label id="lab_tve_Miscellaneous_F0EAD827B264B75B9BFC599CD2DC4E36_terseLabel_en-US" xlink:label="lab_tve_Miscellaneous_F0EAD827B264B75B9BFC599CD2DC4E36" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Miscellaneous</link:label>
    <link:label id="lab_tve_Miscellaneous_F0EAD827B264B75B9BFC599CD2DC4E36_label_en-US" xlink:label="lab_tve_Miscellaneous_F0EAD827B264B75B9BFC599CD2DC4E36" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Miscellaneous</link:label>
    <link:label id="lab_tve_Miscellaneous_F0EAD827B264B75B9BFC599CD2DC4E36_documentation_en-US" xlink:label="lab_tve_Miscellaneous_F0EAD827B264B75B9BFC599CD2DC4E36" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Miscellaneous income and expense items included in the Other income (expense), net line on the Consolidated Statements of Operations.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Miscellaneous" xlink:label="loc_tve_Miscellaneous_F0EAD827B264B75B9BFC599CD2DC4E36" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_D4A3A6926CDEF613CE6E599CD2DCC80C_totalLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_D4A3A6926CDEF613CE6E599CD2DCC80C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other income (expense), net</link:label>
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    <link:label id="lab_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_E396D201E92F89D0A3F55C70F1D6A818_terseLabel_en-US" xlink:label="lab_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_E396D201E92F89D0A3F55C70F1D6A818" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate swap liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestRateDerivativeLiabilitiesAtFairValue" xlink:label="loc_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_E396D201E92F89D0A3F55C70F1D6A818" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_E396D201E92F89D0A3F55C70F1D6A818" xlink:to="lab_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_E396D201E92F89D0A3F55C70F1D6A818" xlink:type="arc" />
    <link:label id="lab_tve_EnvironmentalAgreementsLiability_3968E9CB4BA5EC1550CF5C70F1D670B1_verboseLabel_en-US" xlink:label="lab_tve_EnvironmentalAgreementsLiability_3968E9CB4BA5EC1550CF5C70F1D670B1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Environmental agreements liability</link:label>
    <link:label id="lab_tve_EnvironmentalAgreementsLiability_3968E9CB4BA5EC1550CF5C70F1D670B1_label_en-US" xlink:label="lab_tve_EnvironmentalAgreementsLiability_3968E9CB4BA5EC1550CF5C70F1D670B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Environmental agreements liability</link:label>
    <link:label id="lab_tve_EnvironmentalAgreementsLiability_3968E9CB4BA5EC1550CF5C70F1D670B1_documentation_en-US" xlink:label="lab_tve_EnvironmentalAgreementsLiability_3968E9CB4BA5EC1550CF5C70F1D670B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The liability related to the Environmental Agreements.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_EnvironmentalAgreementsLiability" xlink:label="loc_tve_EnvironmentalAgreementsLiability_3968E9CB4BA5EC1550CF5C70F1D670B1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_EnvironmentalAgreementsLiability_3968E9CB4BA5EC1550CF5C70F1D670B1" xlink:to="lab_tve_EnvironmentalAgreementsLiability_3968E9CB4BA5EC1550CF5C70F1D670B1" xlink:type="arc" />
    <link:label id="lab_us-gaap_PurchaseObligation_EB3579DF49AC9B1EDFA35C70F1D6FC25_verboseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligation_EB3579DF49AC9B1EDFA35C70F1D6FC25" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">EnergyRight&#174; financing obligation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PurchaseObligation" xlink:label="loc_us-gaap_PurchaseObligation_EB3579DF49AC9B1EDFA35C70F1D6FC25" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligation_EB3579DF49AC9B1EDFA35C70F1D6FC25" xlink:to="lab_us-gaap_PurchaseObligation_EB3579DF49AC9B1EDFA35C70F1D6FC25" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent_3B4320D6C5D8BFF3554D5C70F1D62D3E_terseLabel_en-US" xlink:label="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent_3B4320D6C5D8BFF3554D5C70F1D62D3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Membership interests of VIE subject to mandatory redemption, amount, noncurrent</link:label>
    <link:label id="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent_3B4320D6C5D8BFF3554D5C70F1D62D3E_label_en-US" xlink:label="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent_3B4320D6C5D8BFF3554D5C70F1D62D3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent" xlink:label="loc_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent_3B4320D6C5D8BFF3554D5C70F1D62D3E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent_3B4320D6C5D8BFF3554D5C70F1D62D3E" xlink:to="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent_3B4320D6C5D8BFF3554D5C70F1D62D3E" xlink:type="arc" />
    <link:label id="lab_tve_CommodityContractLiabilityNoncurrent_432E11169D0221025B165C70F1D678DF_terseLabel_en-US" xlink:label="lab_tve_CommodityContractLiabilityNoncurrent_432E11169D0221025B165C70F1D678DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Coal contract derivative liabilities</link:label>
    <link:label id="lab_tve_CommodityContractLiabilityNoncurrent_432E11169D0221025B165C70F1D678DF_label_en-US" xlink:label="lab_tve_CommodityContractLiabilityNoncurrent_432E11169D0221025B165C70F1D678DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commodity contract liability noncurrent</link:label>
    <link:label id="lab_tve_CommodityContractLiabilityNoncurrent_432E11169D0221025B165C70F1D678DF_documentation_en-US" xlink:label="lab_tve_CommodityContractLiabilityNoncurrent_432E11169D0221025B165C70F1D678DF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying amount as of the balance sheet date of the liability arising from commodity contracts such as futures contracts tied to the movement of a particular commodity, which are expected to be converted into cash or otherwise disposed of after a year or beyond the normal operating cycle, if longer.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CommodityContractLiabilityNoncurrent" xlink:label="loc_tve_CommodityContractLiabilityNoncurrent_432E11169D0221025B165C70F1D678DF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_CommodityContractLiabilityNoncurrent_432E11169D0221025B165C70F1D678DF" xlink:to="lab_tve_CommodityContractLiabilityNoncurrent_432E11169D0221025B165C70F1D678DF" xlink:type="arc" />
    <link:label id="lab_us-gaap_HedgingLiabilitiesNoncurrent_42B8433B4FA2412B80555C70F1D619B9_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingLiabilitiesNoncurrent_42B8433B4FA2412B80555C70F1D619B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity swap derivative liabilities</link:label>
    <link:label id="lab_us-gaap_HedgingLiabilitiesNoncurrent_42B8433B4FA2412B80555C70F1D619B9_label_en-US" xlink:label="lab_us-gaap_HedgingLiabilitiesNoncurrent_42B8433B4FA2412B80555C70F1D619B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Liabilities, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HedgingLiabilitiesNoncurrent" xlink:label="loc_us-gaap_HedgingLiabilitiesNoncurrent_42B8433B4FA2412B80555C70F1D619B9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HedgingLiabilitiesNoncurrent_42B8433B4FA2412B80555C70F1D619B9" xlink:to="lab_us-gaap_HedgingLiabilitiesNoncurrent_42B8433B4FA2412B80555C70F1D619B9" xlink:type="arc" />
    <link:label id="lab_us-gaap_ForeignCurrencyDerivativeLiabilitiesAtFairValue_DDF2C1EE12CEC13850DD5C70F1D6E74D_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyDerivativeLiabilitiesAtFairValue_DDF2C1EE12CEC13850DD5C70F1D6E74D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency swap liabilities</link:label>
    <link:label id="lab_us-gaap_ForeignCurrencyDerivativeLiabilitiesAtFairValue_DDF2C1EE12CEC13850DD5C70F1D6E74D_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyDerivativeLiabilitiesAtFairValue_DDF2C1EE12CEC13850DD5C70F1D6E74D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Derivative Liabilities at Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyDerivativeLiabilitiesAtFairValue" xlink:label="loc_us-gaap_ForeignCurrencyDerivativeLiabilitiesAtFairValue_DDF2C1EE12CEC13850DD5C70F1D6E74D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyDerivativeLiabilitiesAtFairValue_DDF2C1EE12CEC13850DD5C70F1D6E74D" xlink:to="lab_us-gaap_ForeignCurrencyDerivativeLiabilitiesAtFairValue_DDF2C1EE12CEC13850DD5C70F1D6E74D" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherSundryLiabilitiesNoncurrent_6069FA34CB35A26B0C8C5C70F1D64351_terseLabel_en-US" xlink:label="lab_us-gaap_OtherSundryLiabilitiesNoncurrent_6069FA34CB35A26B0C8C5C70F1D64351" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_OtherSundryLiabilitiesNoncurrent_6069FA34CB35A26B0C8C5C70F1D64351_label_en-US" xlink:label="lab_us-gaap_OtherSundryLiabilitiesNoncurrent_6069FA34CB35A26B0C8C5C70F1D64351" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Sundry Liabilities, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherSundryLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_6069FA34CB35A26B0C8C5C70F1D64351" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_6069FA34CB35A26B0C8C5C70F1D64351" xlink:to="lab_us-gaap_OtherSundryLiabilitiesNoncurrent_6069FA34CB35A26B0C8C5C70F1D64351" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_21866F68D1B1A3F1572C5C70F1D67F68_totalLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_21866F68D1B1A3F1572C5C70F1D67F68" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other long-term liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_21866F68D1B1A3F1572C5C70F1D67F68" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_21866F68D1B1A3F1572C5C70F1D67F68" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_21866F68D1B1A3F1572C5C70F1D67F68" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfDaysInDefault_A05F4B932573D811FD255C70F1D65CD2_terseLabel_en-US" xlink:label="lab_tve_NumberOfDaysInDefault_A05F4B932573D811FD255C70F1D65CD2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of days in default</link:label>
    <link:label id="lab_tve_NumberOfDaysInDefault_A05F4B932573D811FD255C70F1D65CD2_label_en-US" xlink:label="lab_tve_NumberOfDaysInDefault_A05F4B932573D811FD255C70F1D65CD2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of days in default</link:label>
    <link:label id="lab_tve_NumberOfDaysInDefault_A05F4B932573D811FD255C70F1D65CD2_documentation_en-US" xlink:label="lab_tve_NumberOfDaysInDefault_A05F4B932573D811FD255C70F1D65CD2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of days in default that are determined to be uncollectible.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfDaysInDefault" xlink:label="loc_tve_NumberOfDaysInDefault_A05F4B932573D811FD255C70F1D65CD2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfDaysInDefault_A05F4B932573D811FD255C70F1D65CD2" xlink:to="lab_tve_NumberOfDaysInDefault_A05F4B932573D811FD255C70F1D65CD2" xlink:type="arc" />
    <link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E451CDA6696A244C29585C70F1D66D72_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E451CDA6696A244C29585C70F1D66D72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Energy Right Solutions program obligation</link:label>
    <link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E451CDA6696A244C29585C70F1D66D72_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E451CDA6696A244C29585C70F1D66D72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantor Obligations, Current Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_E451CDA6696A244C29585C70F1D66D72" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_E451CDA6696A244C29585C70F1D66D72" xlink:to="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E451CDA6696A244C29585C70F1D66D72" xlink:type="arc" />
    <link:label id="lab_tve_Percentageofmembershipinterestsissued_D4618EEA653EBB20757A5C70F1D6EA08_terseLabel_en-US" xlink:label="lab_tve_Percentageofmembershipinterestsissued_D4618EEA653EBB20757A5C70F1D6EA08" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of membership interests issued</link:label>
    <link:label id="lab_tve_Percentageofmembershipinterestsissued_D4618EEA653EBB20757A5C70F1D6EA08_label_en-US" xlink:label="lab_tve_Percentageofmembershipinterestsissued_D4618EEA653EBB20757A5C70F1D6EA08" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of membership interests issued</link:label>
    <link:label id="lab_tve_Percentageofmembershipinterestsissued_D4618EEA653EBB20757A5C70F1D6EA08_documentation_en-US" xlink:label="lab_tve_Percentageofmembershipinterestsissued_D4618EEA653EBB20757A5C70F1D6EA08" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of membership interest issued from one entity to another.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Percentageofmembershipinterestsissued" xlink:label="loc_tve_Percentageofmembershipinterestsissued_D4618EEA653EBB20757A5C70F1D6EA08" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_Percentageofmembershipinterestsissued_D4618EEA653EBB20757A5C70F1D6EA08" xlink:to="lab_tve_Percentageofmembershipinterestsissued_D4618EEA653EBB20757A5C70F1D6EA08" xlink:type="arc" />
    <link:label id="lab_tve_SCCGballoonpayment_1470A65CCD8B556357A85C70F1D650F4_terseLabel_en-US" xlink:label="lab_tve_SCCGballoonpayment_1470A65CCD8B556357A85C70F1D650F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SCCG balloon payment</link:label>
    <link:label id="lab_tve_SCCGballoonpayment_1470A65CCD8B556357A85C70F1D650F4_label_en-US" xlink:label="lab_tve_SCCGballoonpayment_1470A65CCD8B556357A85C70F1D650F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SCCG balloon payment</link:label>
    <link:label id="lab_tve_SCCGballoonpayment_1470A65CCD8B556357A85C70F1D650F4_documentation_en-US" xlink:label="lab_tve_SCCGballoonpayment_1470A65CCD8B556357A85C70F1D650F4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The balloon payment amount due at maturity on the SCCG membership interests</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_SCCGballoonpayment" xlink:label="loc_tve_SCCGballoonpayment_1470A65CCD8B556357A85C70F1D650F4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_SCCGballoonpayment_1470A65CCD8B556357A85C70F1D650F4" xlink:to="lab_tve_SCCGballoonpayment_1470A65CCD8B556357A85C70F1D650F4" xlink:type="arc" />
    <link:label id="lab_tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage_B4D2CC8A91155D363BEB5C70F1D61EB7_terseLabel_en-US" xlink:label="lab_tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage_B4D2CC8A91155D363BEB5C70F1D61EB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Membership interests of VIE subject to mandatory redemption, interest rate, stated percentage</link:label>
    <link:label id="lab_tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage_B4D2CC8A91155D363BEB5C70F1D61EB7_label_en-US" xlink:label="lab_tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage_B4D2CC8A91155D363BEB5C70F1D61EB7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial instruments subject to mandatory redemption, interest rate, stated percentage</link:label>
    <link:label id="lab_tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage_B4D2CC8A91155D363BEB5C70F1D61EB7_documentation_en-US" xlink:label="lab_tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage_B4D2CC8A91155D363BEB5C70F1D61EB7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contractual interest rate for funds borrowed, under the agreement.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage" xlink:label="loc_tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage_B4D2CC8A91155D363BEB5C70F1D61EB7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage_B4D2CC8A91155D363BEB5C70F1D61EB7" xlink:to="lab_tve_Financialinstrumentssubjecttomandatoryredemptioninterestratestatedpercentage_B4D2CC8A91155D363BEB5C70F1D61EB7" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountCurrent_C1060B2BC7768C51A1E15C70F1D6BC8A_terseLabel_en-US" xlink:label="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountCurrent_C1060B2BC7768C51A1E15C70F1D6BC8A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Membership interests of VIE subject to mandatory redemption, amount, current</link:label>
    <link:label id="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountCurrent_C1060B2BC7768C51A1E15C70F1D6BC8A_label_en-US" xlink:label="lab_us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountCurrent_C1060B2BC7768C51A1E15C70F1D6BC8A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Current</link:label>
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    <link:label id="lab_us-gaap_SaleLeasebackTransactionTable_AD784C2793FFC0756DA65D524DD506DC_terseLabel_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionTable_AD784C2793FFC0756DA65D524DD506DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leaseback Obligations</link:label>
    <link:label id="lab_us-gaap_SaleLeasebackTransactionTable_AD784C2793FFC0756DA65D524DD506DC_label_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionTable_AD784C2793FFC0756DA65D524DD506DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Leaseback Transaction [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SaleLeasebackTransactionTable" xlink:label="loc_us-gaap_SaleLeasebackTransactionTable_AD784C2793FFC0756DA65D524DD506DC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SaleLeasebackTransactionDescriptionAxis_94AB11706F6B99A119885D524DD59F8B_terseLabel_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionDescriptionAxis_94AB11706F6B99A119885D524DD59F8B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leaseback Obligations</link:label>
    <link:label id="lab_us-gaap_SaleLeasebackTransactionDescriptionAxis_94AB11706F6B99A119885D524DD59F8B_label_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionDescriptionAxis_94AB11706F6B99A119885D524DD59F8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Leaseback Transaction, Description [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SaleLeasebackTransactionDescriptionAxis" xlink:label="loc_us-gaap_SaleLeasebackTransactionDescriptionAxis_94AB11706F6B99A119885D524DD59F8B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SaleLeasebackTransactionNameDomain_DA34615435EDA030C7175D524DD5A553_terseLabel_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionNameDomain_DA34615435EDA030C7175D524DD5A553" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leaseback Obligations</link:label>
    <link:label id="lab_us-gaap_SaleLeasebackTransactionNameDomain_DA34615435EDA030C7175D524DD5A553_label_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionNameDomain_DA34615435EDA030C7175D524DD5A553" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Leaseback Transaction, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SaleLeasebackTransactionNameDomain" xlink:label="loc_us-gaap_SaleLeasebackTransactionNameDomain_DA34615435EDA030C7175D524DD5A553" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SaleLeasebackTransactionLineItems_0AA62AD25265E3C3E5D95D524DD546E1_terseLabel_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionLineItems_0AA62AD25265E3C3E5D95D524DD546E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leaseback Obligations</link:label>
    <link:label id="lab_us-gaap_SaleLeasebackTransactionLineItems_0AA62AD25265E3C3E5D95D524DD546E1_label_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionLineItems_0AA62AD25265E3C3E5D95D524DD546E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Leaseback Transaction [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SaleLeasebackTransactionLineItems" xlink:label="loc_us-gaap_SaleLeasebackTransactionLineItems_0AA62AD25265E3C3E5D95D524DD546E1" xlink:type="locator" />
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    <link:label id="lab_tve_ProceedsPriorTo2004_426A920010292B06197B5D524DD5C06E_terseLabel_en-US" xlink:label="lab_tve_ProceedsPriorTo2004_426A920010292B06197B5D524DD5C06E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds prior to 2004</link:label>
    <link:label id="lab_tve_ProceedsPriorTo2004_426A920010292B06197B5D524DD5C06E_label_en-US" xlink:label="lab_tve_ProceedsPriorTo2004_426A920010292B06197B5D524DD5C06E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds prior to 2004</link:label>
    <link:label id="lab_tve_ProceedsPriorTo2004_426A920010292B06197B5D524DD5C06E_documentation_en-US" xlink:label="lab_tve_ProceedsPriorTo2004_426A920010292B06197B5D524DD5C06E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds received prior to 2004 by entering into leaseback transactions for 24 new peaking combustion turbine units.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_ProceedsPriorTo2004" xlink:label="loc_tve_ProceedsPriorTo2004_426A920010292B06197B5D524DD5C06E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_ProceedsPriorTo2004_426A920010292B06197B5D524DD5C06E" xlink:to="lab_tve_ProceedsPriorTo2004_426A920010292B06197B5D524DD5C06E" xlink:type="arc" />
    <link:label id="lab_tve_LeasebackTransactionNumberOfUnits_028DEEE23844DB0B7B085D524DD59F77_terseLabel_en-US" xlink:label="lab_tve_LeasebackTransactionNumberOfUnits_028DEEE23844DB0B7B085D524DD59F77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of new peaking combustion turbine units in leaseback transactions</link:label>
    <link:label id="lab_tve_LeasebackTransactionNumberOfUnits_028DEEE23844DB0B7B085D524DD59F77_label_en-US" xlink:label="lab_tve_LeasebackTransactionNumberOfUnits_028DEEE23844DB0B7B085D524DD59F77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leaseback transaction, number of units</link:label>
    <link:label id="lab_tve_LeasebackTransactionNumberOfUnits_028DEEE23844DB0B7B085D524DD59F77_documentation_en-US" xlink:label="lab_tve_LeasebackTransactionNumberOfUnits_028DEEE23844DB0B7B085D524DD59F77" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of units involved in leaseback transactions.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_LeasebackTransactionNumberOfUnits" xlink:label="loc_tve_LeasebackTransactionNumberOfUnits_028DEEE23844DB0B7B085D524DD59F77" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_LeasebackTransactionNumberOfUnits_028DEEE23844DB0B7B085D524DD59F77" xlink:to="lab_tve_LeasebackTransactionNumberOfUnits_028DEEE23844DB0B7B085D524DD59F77" xlink:type="arc" />
    <link:label id="lab_tve_ProceedsIn2003_FCA6007E772881E2ADA95D524DD5D7E9_terseLabel_en-US" xlink:label="lab_tve_ProceedsIn2003_FCA6007E772881E2ADA95D524DD5D7E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds in 2003</link:label>
    <link:label id="lab_tve_ProceedsIn2003_FCA6007E772881E2ADA95D524DD5D7E9_label_en-US" xlink:label="lab_tve_ProceedsIn2003_FCA6007E772881E2ADA95D524DD5D7E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds in 2003</link:label>
    <link:label id="lab_tve_ProceedsIn2003_FCA6007E772881E2ADA95D524DD5D7E9_documentation_en-US" xlink:label="lab_tve_ProceedsIn2003_FCA6007E772881E2ADA95D524DD5D7E9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds received from entering into a leaseback transaction for qualified technological equipment and software in 2003.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_ProceedsIn2003" xlink:label="loc_tve_ProceedsIn2003_FCA6007E772881E2ADA95D524DD5D7E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_ProceedsIn2003_FCA6007E772881E2ADA95D524DD5D7E9" xlink:to="lab_tve_ProceedsIn2003_FCA6007E772881E2ADA95D524DD5D7E9" xlink:type="arc" />
    <link:label id="lab_tve_CtAndQteOutstandingLeasebackObligation_C5D99ED8C24945A1D1C55D524DD57614_terseLabel_en-US" xlink:label="lab_tve_CtAndQteOutstandingLeasebackObligation_C5D99ED8C24945A1D1C55D524DD57614" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CT/QTE outstanding leaseback obligation</link:label>
    <link:label id="lab_tve_CtAndQteOutstandingLeasebackObligation_C5D99ED8C24945A1D1C55D524DD57614_label_en-US" xlink:label="lab_tve_CtAndQteOutstandingLeasebackObligation_C5D99ED8C24945A1D1C55D524DD57614" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CT and QTE outstanding leaseback obligation</link:label>
    <link:label id="lab_tve_CtAndQteOutstandingLeasebackObligation_C5D99ED8C24945A1D1C55D524DD57614_documentation_en-US" xlink:label="lab_tve_CtAndQteOutstandingLeasebackObligation_C5D99ED8C24945A1D1C55D524DD57614" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The outstanding leaseback obligations related to combustion turbine units and qualified technological equipment and software.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CtAndQteOutstandingLeasebackObligation" xlink:label="loc_tve_CtAndQteOutstandingLeasebackObligation_C5D99ED8C24945A1D1C55D524DD57614" xlink:type="locator" />
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    <link:label id="lab_tve_OutstandingSouthavenLeasebackObligation_87E714E6F6911D92955B5D524DD57F12_terseLabel_en-US" xlink:label="lab_tve_OutstandingSouthavenLeasebackObligation_87E714E6F6911D92955B5D524DD57F12" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding Southaven leaseback obligation</link:label>
    <link:label id="lab_tve_OutstandingSouthavenLeasebackObligation_87E714E6F6911D92955B5D524DD57F12_label_en-US" xlink:label="lab_tve_OutstandingSouthavenLeasebackObligation_87E714E6F6911D92955B5D524DD57F12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outstanding Southaven leaseback obligation</link:label>
    <link:label id="lab_tve_OutstandingSouthavenLeasebackObligation_87E714E6F6911D92955B5D524DD57F12_documentation_en-US" xlink:label="lab_tve_OutstandingSouthavenLeasebackObligation_87E714E6F6911D92955B5D524DD57F12" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The outstanding leaseback obligation related to Southaven.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_OutstandingSouthavenLeasebackObligation" xlink:label="loc_tve_OutstandingSouthavenLeasebackObligation_87E714E6F6911D92955B5D524DD57F12" xlink:type="locator" />
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    <link:label id="lab_tve_FuturedistributiontoBeMadetoLimitedLiabilityCompanyLLCMemberCashDistributions_9AD33445FFA06AFA1E295D524DE4C192_terseLabel_en-US" xlink:label="lab_tve_FuturedistributiontoBeMadetoLimitedLiabilityCompanyLLCMemberCashDistributions_9AD33445FFA06AFA1E295D524DE4C192" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Seven States Return</link:label>
    <link:label id="lab_tve_FuturedistributiontoBeMadetoLimitedLiabilityCompanyLLCMemberCashDistributions_9AD33445FFA06AFA1E295D524DE4C192_label_en-US" xlink:label="lab_tve_FuturedistributiontoBeMadetoLimitedLiabilityCompanyLLCMemberCashDistributions_9AD33445FFA06AFA1E295D524DE4C192" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future distribution to Be Made to Limited Liability Company (LLC) Member, Cash Distributions</link:label>
    <link:label id="lab_tve_FuturedistributiontoBeMadetoLimitedLiabilityCompanyLLCMemberCashDistributions_9AD33445FFA06AFA1E295D524DE4C192_documentation_en-US" xlink:label="lab_tve_FuturedistributiontoBeMadetoLimitedLiabilityCompanyLLCMemberCashDistributions_9AD33445FFA06AFA1E295D524DE4C192" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total amount of future semi-annaul cash distributions declared to profits interest-holder of limited liability company (LLC).</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_FuturedistributiontoBeMadetoLimitedLiabilityCompanyLLCMemberCashDistributions" xlink:label="loc_tve_FuturedistributiontoBeMadetoLimitedLiabilityCompanyLLCMemberCashDistributions_9AD33445FFA06AFA1E295D524DE4C192" xlink:type="locator" />
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    <link:label id="lab_tve_NumberOfCreditRatingAgencies_62F59B1A39034DE0AAF75D524DE47A7B_terseLabel_en-US" xlink:label="lab_tve_NumberOfCreditRatingAgencies_62F59B1A39034DE0AAF75D524DE47A7B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of credit rating agencies</link:label>
    <link:label id="lab_tve_NumberOfCreditRatingAgencies_62F59B1A39034DE0AAF75D524DE47A7B_label_en-US" xlink:label="lab_tve_NumberOfCreditRatingAgencies_62F59B1A39034DE0AAF75D524DE47A7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of credit rating agencies</link:label>
    <link:label id="lab_tve_NumberOfCreditRatingAgencies_62F59B1A39034DE0AAF75D524DE47A7B_documentation_en-US" xlink:label="lab_tve_NumberOfCreditRatingAgencies_62F59B1A39034DE0AAF75D524DE47A7B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of credit rating agencies</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfCreditRatingAgencies" xlink:label="loc_tve_NumberOfCreditRatingAgencies_62F59B1A39034DE0AAF75D524DE47A7B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_EC47C6DF308E1B62D5FA4FE1E56A7FD2_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_EC47C6DF308E1B62D5FA4FE1E56A7FD2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Parties</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_EC47C6DF308E1B62D5FA4FE1E56A7FD2_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_EC47C6DF308E1B62D5FA4FE1E56A7FD2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transactions Disclosure [Text Block]</link:label>
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    <link:label id="lab_tve_Numberofcustomersforwhomunbilledrevenuesareestimated_DF49BDA54070DE7964DA59EA094E9D0D_terseLabel_en-US" xlink:label="lab_tve_Numberofcustomersforwhomunbilledrevenuesareestimated_DF49BDA54070DE7964DA59EA094E9D0D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of customers for whom unbilled revenues are estimated</link:label>
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    <link:label id="lab_tve_PopulationOfServiceArea_1C4629ED617CC6229535599CD56B58C2_terseLabel_en-US" xlink:label="lab_tve_PopulationOfServiceArea_1C4629ED617CC6229535599CD56B58C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Population of TVA's service area (number of people)</link:label>
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    <link:label id="lab_tve_PopulationOfServiceArea_1C4629ED617CC6229535599CD56B58C2_documentation_en-US" xlink:label="lab_tve_PopulationOfServiceArea_1C4629ED617CC6229535599CD56B58C2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The population of the company's service area.</link:label>
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    <link:label id="lab_tve_PossibleAmountOfFuturePayments_394A295656A8F4344C5D599CD56B4AAB_terseLabel_en-US" xlink:label="lab_tve_PossibleAmountOfFuturePayments_394A295656A8F4344C5D599CD56B4AAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Possible amount of future payments to the Department of Energy under the blended low-enriched uranium program</link:label>
    <link:label id="lab_tve_PossibleAmountOfFuturePayments_394A295656A8F4344C5D599CD56B4AAB_label_en-US" xlink:label="lab_tve_PossibleAmountOfFuturePayments_394A295656A8F4344C5D599CD56B4AAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Possible amount of future payments</link:label>
    <link:label id="lab_tve_PossibleAmountOfFuturePayments_394A295656A8F4344C5D599CD56B4AAB_documentation_en-US" xlink:label="lab_tve_PossibleAmountOfFuturePayments_394A295656A8F4344C5D599CD56B4AAB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The possible amount of future payments.</link:label>
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    <link:label id="lab_tve_PaymentsattributabletoBLEUfuelprogram_2AAB561410EA0DD63CC3599CD56B4FB9_terseLabel_en-US" xlink:label="lab_tve_PaymentsattributabletoBLEUfuelprogram_2AAB561410EA0DD63CC3599CD56B4FB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated future payments attributable to blended low-enriched uranium fuel currently in use</link:label>
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    <link:label id="lab_tve_MaximumOriginalMaturity_D6881EAEA0027B4299FB599CD56B8152_documentation_en-US" xlink:label="lab_tve_MaximumOriginalMaturity_D6881EAEA0027B4299FB599CD56B8152" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum original maturity length for cash and cash equivalents.</link:label>
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    <link:label id="lab_tve_RecordedCostForEmissionAllowancesGrantedByEnvironmentalProtectionAgency_E05FC1134D322B8BF460599CD57B7F45_terseLabel_en-US" xlink:label="lab_tve_RecordedCostForEmissionAllowancesGrantedByEnvironmentalProtectionAgency_E05FC1134D322B8BF460599CD57B7F45" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recorded cost for emission allowances granted by the Environmental Protection Agency</link:label>
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    <link:label id="lab_tve_BLEUfuelobligation_76AA718E32D2408B97E2599CD57B1ABB_terseLabel_en-US" xlink:label="lab_tve_BLEUfuelobligation_76AA718E32D2408B97E2599CD57B1ABB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BLEU fuel obligation</link:label>
    <link:label id="lab_tve_BLEUfuelobligation_76AA718E32D2408B97E2599CD57B1ABB_label_en-US" xlink:label="lab_tve_BLEUfuelobligation_76AA718E32D2408B97E2599CD57B1ABB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BLEU fuel obligation</link:label>
    <link:label id="lab_tve_BLEUfuelobligation_76AA718E32D2408B97E2599CD57B1ABB_documentation_en-US" xlink:label="lab_tve_BLEUfuelobligation_76AA718E32D2408B97E2599CD57B1ABB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The liability established for payments due that are attributable to blended low-enriched uranium fuel that has been used.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_BLEUfuelobligation_76AA718E32D2408B97E2599CD57B1ABB" xlink:to="lab_tve_BLEUfuelobligation_76AA718E32D2408B97E2599CD57B1ABB" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashFlowSupplementalDisclosuresTextBlock_D3244732EFA0DE6BA6534FE1E3A5733E_terseLabel_en-US" xlink:label="lab_us-gaap_CashFlowSupplementalDisclosuresTextBlock_D3244732EFA0DE6BA6534FE1E3A5733E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:label="loc_us-gaap_CashFlowSupplementalDisclosuresTextBlock_D3244732EFA0DE6BA6534FE1E3A5733E" xlink:type="locator" />
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    <link:label id="lab_tve_PutAndCallOptionsAbstract_9584740AFC72175F30F358DA3CCAF95E_label_en-US" xlink:label="lab_tve_PutAndCallOptionsAbstract_9584740AFC72175F30F358DA3CCAF95E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Put and Call Options [Abstract]</link:label>
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    <link:loc xlink:href="tve-20130930.xsd#tve_PutAndCallOptionsAbstract" xlink:label="loc_tve_PutAndCallOptionsAbstract_9584740AFC72175F30F358DA3CCAF95E" xlink:type="locator" />
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    <link:label id="lab_tve_PutableAutomaticRateResetSecuritiesTable_F223357D59CF4FEB915B58DA3CCA534A_terseLabel_en-US" xlink:label="lab_tve_PutableAutomaticRateResetSecuritiesTable_F223357D59CF4FEB915B58DA3CCA534A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Put and Call Options</link:label>
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    <link:loc xlink:href="tve-20130930.xsd#tve_PutableAutomaticRateResetSecuritiesTable" xlink:label="loc_tve_PutableAutomaticRateResetSecuritiesTable_F223357D59CF4FEB915B58DA3CCA534A" xlink:type="locator" />
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    <link:label id="lab_tve_Parrs1998SeriesDBondMember_FAF35108A8A4E9684F8158DA3CCA1600_terseLabel_en-US" xlink:label="lab_tve_Parrs1998SeriesDBondMember_FAF35108A8A4E9684F8158DA3CCA1600" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PARRS 1998 Series D Bond</link:label>
    <link:label id="lab_tve_Parrs1998SeriesDBondMember_FAF35108A8A4E9684F8158DA3CCA1600_label_en-US" xlink:label="lab_tve_Parrs1998SeriesDBondMember_FAF35108A8A4E9684F8158DA3CCA1600" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PARRS 1998 Series D Bond [Member]</link:label>
    <link:label id="lab_tve_Parrs1998SeriesDBondMember_FAF35108A8A4E9684F8158DA3CCA1600_documentation_en-US" xlink:label="lab_tve_Parrs1998SeriesDBondMember_FAF35108A8A4E9684F8158DA3CCA1600" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">PARRS 1998 Series D Bond</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Parrs1998SeriesDBondMember" xlink:label="loc_tve_Parrs1998SeriesDBondMember_FAF35108A8A4E9684F8158DA3CCA1600" xlink:type="locator" />
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    <link:label id="lab_tve_Parrs1999SeriesABondMember_45B0BF212126D88D7E0B58DA3CCA146C_terseLabel_en-US" xlink:label="lab_tve_Parrs1999SeriesABondMember_45B0BF212126D88D7E0B58DA3CCA146C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PARRS 1999 Series A Bond</link:label>
    <link:label id="lab_tve_Parrs1999SeriesABondMember_45B0BF212126D88D7E0B58DA3CCA146C_label_en-US" xlink:label="lab_tve_Parrs1999SeriesABondMember_45B0BF212126D88D7E0B58DA3CCA146C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PARRS 1999 Series 'A' Bond [Member]</link:label>
    <link:label id="lab_tve_Parrs1999SeriesABondMember_45B0BF212126D88D7E0B58DA3CCA146C_documentation_en-US" xlink:label="lab_tve_Parrs1999SeriesABondMember_45B0BF212126D88D7E0B58DA3CCA146C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">PARRS 1999 Series A Bond</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Parrs1999SeriesABondMember" xlink:label="loc_tve_Parrs1999SeriesABondMember_45B0BF212126D88D7E0B58DA3CCA146C" xlink:type="locator" />
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    <link:label id="lab_tve_AmountOfRedeemableBondIssuesOutstanding_F1B5404AD775DABDEE8558DA3CCAF915_terseLabel_en-US" xlink:label="lab_tve_AmountOfRedeemableBondIssuesOutstanding_F1B5404AD775DABDEE8558DA3CCAF915" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of redeemable bond issues outstanding</link:label>
    <link:label id="lab_tve_AmountOfRedeemableBondIssuesOutstanding_F1B5404AD775DABDEE8558DA3CCAF915_label_en-US" xlink:label="lab_tve_AmountOfRedeemableBondIssuesOutstanding_F1B5404AD775DABDEE8558DA3CCAF915" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount of redeemable bond issues outstanding</link:label>
    <link:label id="lab_tve_AmountOfRedeemableBondIssuesOutstanding_F1B5404AD775DABDEE8558DA3CCAF915_documentation_en-US" xlink:label="lab_tve_AmountOfRedeemableBondIssuesOutstanding_F1B5404AD775DABDEE8558DA3CCAF915" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of redeemable bond issues outstanding</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AmountOfRedeemableBondIssuesOutstanding" xlink:label="loc_tve_AmountOfRedeemableBondIssuesOutstanding_F1B5404AD775DABDEE8558DA3CCAF915" xlink:type="locator" />
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    <link:label id="lab_tve_CallPricePercent_7DA9AAC7A5F9B998039C58DA3CCA9E78_terseLabel_en-US" xlink:label="lab_tve_CallPricePercent_7DA9AAC7A5F9B998039C58DA3CCA9E78" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Call price - low end of range</link:label>
    <link:label id="lab_tve_CallPricePercent_7DA9AAC7A5F9B998039C58DA3CCA9E78_label_en-US" xlink:label="lab_tve_CallPricePercent_7DA9AAC7A5F9B998039C58DA3CCA9E78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Call price percent</link:label>
    <link:label id="lab_tve_CallPricePercent_7DA9AAC7A5F9B998039C58DA3CCA9E78_documentation_en-US" xlink:label="lab_tve_CallPricePercent_7DA9AAC7A5F9B998039C58DA3CCA9E78" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Call price - low end of range. Shown as a percent of principal amount.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CallPricePercent" xlink:label="loc_tve_CallPricePercent_7DA9AAC7A5F9B998039C58DA3CCA9E78" xlink:type="locator" />
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    <link:label id="lab_tve_BondIssuesWithSurvivorsOption_BC4BE21EACD01254971058DA3CCA9C2A_terseLabel_en-US" xlink:label="lab_tve_BondIssuesWithSurvivorsOption_BC4BE21EACD01254971058DA3CCA9C2A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bond issues with survivor's option</link:label>
    <link:label id="lab_tve_BondIssuesWithSurvivorsOption_BC4BE21EACD01254971058DA3CCA9C2A_label_en-US" xlink:label="lab_tve_BondIssuesWithSurvivorsOption_BC4BE21EACD01254971058DA3CCA9C2A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bond issues with survivor's option</link:label>
    <link:label id="lab_tve_BondIssuesWithSurvivorsOption_BC4BE21EACD01254971058DA3CCA9C2A_documentation_en-US" xlink:label="lab_tve_BondIssuesWithSurvivorsOption_BC4BE21EACD01254971058DA3CCA9C2A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of bond issues which include a "survivor's option" allowing for the right of redemption upon the death of a beneficial owner in certain specified circumstances.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_BondIssuesWithSurvivorsOption" xlink:label="loc_tve_BondIssuesWithSurvivorsOption_BC4BE21EACD01254971058DA3CCA9C2A" xlink:type="locator" />
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    <link:label id="lab_tve_BondsOutstandingWithSurvivorsOption_43BE309548B9BB7995E558DA3CCAABE6_terseLabel_en-US" xlink:label="lab_tve_BondsOutstandingWithSurvivorsOption_43BE309548B9BB7995E558DA3CCAABE6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonds outstanding with survivor's option</link:label>
    <link:label id="lab_tve_BondsOutstandingWithSurvivorsOption_43BE309548B9BB7995E558DA3CCAABE6_label_en-US" xlink:label="lab_tve_BondsOutstandingWithSurvivorsOption_43BE309548B9BB7995E558DA3CCAABE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bonds outstanding with survivor's option</link:label>
    <link:label id="lab_tve_BondsOutstandingWithSurvivorsOption_43BE309548B9BB7995E558DA3CCAABE6_documentation_en-US" xlink:label="lab_tve_BondsOutstandingWithSurvivorsOption_43BE309548B9BB7995E558DA3CCAABE6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of bonds outstanding which include a "survivor's option" allowing for the right of redemption upon the death of a beneficial owner in certain specified circumstances.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_BondsOutstandingWithSurvivorsOption" xlink:label="loc_tve_BondsOutstandingWithSurvivorsOption_43BE309548B9BB7995E558DA3CCAABE6" xlink:type="locator" />
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    <link:label id="lab_tve_NumberOfIssuesOfPutableAutomaticRateResetSecuritiesOutstanding_76DF6EBDDB780A540D5D58DA3CCA8427_terseLabel_en-US" xlink:label="lab_tve_NumberOfIssuesOfPutableAutomaticRateResetSecuritiesOutstanding_76DF6EBDDB780A540D5D58DA3CCA8427" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of issues of Putable Automatic Rate Reset Securities outstanding</link:label>
    <link:label id="lab_tve_NumberOfIssuesOfPutableAutomaticRateResetSecuritiesOutstanding_76DF6EBDDB780A540D5D58DA3CCA8427_label_en-US" xlink:label="lab_tve_NumberOfIssuesOfPutableAutomaticRateResetSecuritiesOutstanding_76DF6EBDDB780A540D5D58DA3CCA8427" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of issues of Putable Automatic Rate Reset Securities outstanding</link:label>
    <link:label id="lab_tve_NumberOfIssuesOfPutableAutomaticRateResetSecuritiesOutstanding_76DF6EBDDB780A540D5D58DA3CCA8427_documentation_en-US" xlink:label="lab_tve_NumberOfIssuesOfPutableAutomaticRateResetSecuritiesOutstanding_76DF6EBDDB780A540D5D58DA3CCA8427" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of issues of Putable Automatic Rate Reset Securities outstanding</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfIssuesOfPutableAutomaticRateResetSecuritiesOutstanding" xlink:label="loc_tve_NumberOfIssuesOfPutableAutomaticRateResetSecuritiesOutstanding_76DF6EBDDB780A540D5D58DA3CCA8427" xlink:type="locator" />
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    <link:label id="lab_tve_FixedRatePeriodForCouponRateResetOnParrs_74F8263BCE3AF05541AB58DA3CCABFD3_terseLabel_en-US" xlink:label="lab_tve_FixedRatePeriodForCouponRateResetOnParrs_74F8263BCE3AF05541AB58DA3CCABFD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed-rate period for coupon rate reset on PARRS</link:label>
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    <link:label id="lab_tve_FixedRatePeriodForCouponRateResetOnParrs_74F8263BCE3AF05541AB58DA3CCABFD3_documentation_en-US" xlink:label="lab_tve_FixedRatePeriodForCouponRateResetOnParrs_74F8263BCE3AF05541AB58DA3CCABFD3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The fixed-rate period for coupon rate reset on PARRS.</link:label>
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    <link:label id="lab_tve_AverageTimePeriod_0D79B84D42E06F9BAF8358DA3CCAD368_terseLabel_en-US" xlink:label="lab_tve_AverageTimePeriod_0D79B84D42E06F9BAF8358DA3CCAD368" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average time period</link:label>
    <link:label id="lab_tve_AverageTimePeriod_0D79B84D42E06F9BAF8358DA3CCAD368_label_en-US" xlink:label="lab_tve_AverageTimePeriod_0D79B84D42E06F9BAF8358DA3CCAD368" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average time period</link:label>
    <link:label id="lab_tve_AverageTimePeriod_0D79B84D42E06F9BAF8358DA3CCAD368_documentation_en-US" xlink:label="lab_tve_AverageTimePeriod_0D79B84D42E06F9BAF8358DA3CCAD368" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average time period</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AverageTimePeriod" xlink:label="loc_tve_AverageTimePeriod_0D79B84D42E06F9BAF8358DA3CCAD368" xlink:type="locator" />
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    <link:label id="lab_tve_DebtInstrumentBasisPointSpreadonVariableRate_1DBEA47918F58976C1195938B899320B_terseLabel_en-US" xlink:label="lab_tve_DebtInstrumentBasisPointSpreadonVariableRate_1DBEA47918F58976C1195938B899320B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Basis Point Spread on Variable Rate</link:label>
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    <link:label id="lab_tve_NumberOfRateResets_D05D4553E332FF5D496E58DA3CCA1A6B_label_en-US" xlink:label="lab_tve_NumberOfRateResets_D05D4553E332FF5D496E58DA3CCA1A6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of rate resets</link:label>
    <link:label id="lab_tve_NumberOfRateResets_D05D4553E332FF5D496E58DA3CCA1A6B_documentation_en-US" xlink:label="lab_tve_NumberOfRateResets_D05D4553E332FF5D496E58DA3CCA1A6B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of times the coupon rate has been reset.</link:label>
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    <link:label id="lab_tve_ParrsInterestRatePriorToRateReset_E386C3F5AFC4DAE5F1E458DA3CCA49E0_label_en-US" xlink:label="lab_tve_ParrsInterestRatePriorToRateReset_E386C3F5AFC4DAE5F1E458DA3CCA49E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PARRS interest rate prior to rate reset</link:label>
    <link:label id="lab_tve_ParrsInterestRatePriorToRateReset_E386C3F5AFC4DAE5F1E458DA3CCA49E0_documentation_en-US" xlink:label="lab_tve_ParrsInterestRatePriorToRateReset_E386C3F5AFC4DAE5F1E458DA3CCA49E0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The PARRS interest rate prior to rate reset.</link:label>
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    <link:label id="lab_tve_ParrsInterestRateAfterRateReset_7ABFFEBFAC22E2174D7258DA3CCA8D57_label_en-US" xlink:label="lab_tve_ParrsInterestRateAfterRateReset_7ABFFEBFAC22E2174D7258DA3CCA8D57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PARRS interest rate after rate reset</link:label>
    <link:label id="lab_tve_ParrsInterestRateAfterRateReset_7ABFFEBFAC22E2174D7258DA3CCA8D57_documentation_en-US" xlink:label="lab_tve_ParrsInterestRateAfterRateReset_7ABFFEBFAC22E2174D7258DA3CCA8D57" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The PARRS interest rate after rate reset.</link:label>
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    <link:label id="lab_tve_AmountOfBondsRedeemed_746C041B5DAB36C0D75858DA3CCA0054_terseLabel_en-US" xlink:label="lab_tve_AmountOfBondsRedeemed_746C041B5DAB36C0D75858DA3CCA0054" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of bonds redeemed</link:label>
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    <link:label id="lab_tve_AmountOfBondsRedeemed_746C041B5DAB36C0D75858DA3CCA0054_documentation_en-US" xlink:label="lab_tve_AmountOfBondsRedeemed_746C041B5DAB36C0D75858DA3CCA0054" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of bonds redeemed.</link:label>
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    <link:label id="lab_tve_SummaryOfProprietaryCapitalActivityTableTextBlock_025ADCC5FBAFE682CAE54FE1E56A0827_terseLabel_en-US" xlink:label="lab_tve_SummaryOfProprietaryCapitalActivityTableTextBlock_025ADCC5FBAFE682CAE54FE1E56A0827" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Proprietary Capital Activity</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossTableTextBlock_C4FA6773F65E7796FB734FE1E5F7B266_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossTableTextBlock_C4FA6773F65E7796FB734FE1E5F7B266" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Derivative Instruments That Receive Hedge Accounting Treatment</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_EEE68008D57FB0AAB3834FE1E5F726F0_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_EEE68008D57FB0AAB3834FE1E5F726F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Derivative Instruments That Do Not Receive Hedge Accounting Treatment</link:label>
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    <link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_BC1D529F5C0B98996C5B4FE1E5F7FC0D_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_BC1D529F5C0B98996C5B4FE1E5F7FC0D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mark-to-Market Value of TVA Derivatives</link:label>
    <link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_BC1D529F5C0B98996C5B4FE1E5F7FC0D_label_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_BC1D529F5C0B98996C5B4FE1E5F7FC0D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_BC1D529F5C0B98996C5B4FE1E5F7FC0D" xlink:type="locator" />
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    <link:label id="lab_tve_CurrencySwapsOutstandingTableTextBlock_07EF8E9A592389F0FB9D4FE1E5F7D5D1_terseLabel_en-US" xlink:label="lab_tve_CurrencySwapsOutstandingTableTextBlock_07EF8E9A592389F0FB9D4FE1E5F7D5D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency Swaps Outstanding</link:label>
    <link:label id="lab_tve_CurrencySwapsOutstandingTableTextBlock_07EF8E9A592389F0FB9D4FE1E5F7D5D1_label_en-US" xlink:label="lab_tve_CurrencySwapsOutstandingTableTextBlock_07EF8E9A592389F0FB9D4FE1E5F7D5D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency Swaps Outstanding [Table Text Block]</link:label>
    <link:label id="lab_tve_CurrencySwapsOutstandingTableTextBlock_07EF8E9A592389F0FB9D4FE1E5F7D5D1_documentation_en-US" xlink:label="lab_tve_CurrencySwapsOutstandingTableTextBlock_07EF8E9A592389F0FB9D4FE1E5F7D5D1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Table showing the effective date, associated currency exposure, expiration date, and overall effective cost of the outstanding currency swaps.</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_A05C4EF092E5FCC67AC74FE1E5F7C01E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_A05C4EF092E5FCC67AC74FE1E5F7C01E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity Contract Derivatives</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_A05C4EF092E5FCC67AC74FE1E5F7C01E_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_A05C4EF092E5FCC67AC74FE1E5F7C01E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Derivative Instruments [Table Text Block]</link:label>
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    <link:label id="lab_tve_RegulatoryAssetsAndLiabilitiesAxis_77C0E76694F1FA4ADD574944AADBD600_documentation_en-US" xlink:label="lab_tve_RegulatoryAssetsAndLiabilitiesAxis_77C0E76694F1FA4ADD574944AADBD600" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Regulatory Assets and Liabilities [Axis]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_RegulatoryAssetsAndLiabilitiesAxis" xlink:label="loc_tve_RegulatoryAssetsAndLiabilitiesAxis_77C0E76694F1FA4ADD574944AADBD600" xlink:type="locator" />
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    <link:label id="lab_tve_RegulatoryAssetsAndLiabilitiesDomain_B92925C8D3C71A4E7D3C4944AADB600A_documentation_en-US" xlink:label="lab_tve_RegulatoryAssetsAndLiabilitiesDomain_B92925C8D3C71A4E7D3C4944AADB600A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Regulatory Assets and Liabilities [Domain]</link:label>
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    <link:label id="lab_us-gaap_DeferredProjectCostsMember_7528DF03936FD69E0F034944AADB87BA_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredProjectCostsMember_7528DF03936FD69E0F034944AADB87BA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred Nuclear Generating Units and Construction Costs</link:label>
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    <link:label id="lab_tve_InvestmentInDeferredGeneratingUnits_F89A79E9B468C007884A4944AADBB339_terseLabel_en-US" xlink:label="lab_tve_InvestmentInDeferredGeneratingUnits_F89A79E9B468C007884A4944AADBB339" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment in deferred generating units</link:label>
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    <link:label id="lab_tve_InvestmentInDeferredGeneratingUnits_F89A79E9B468C007884A4944AADBB339_documentation_en-US" xlink:label="lab_tve_InvestmentInDeferredGeneratingUnits_F89A79E9B468C007884A4944AADBB339" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Investment in deferred generating units.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_InvestmentInDeferredGeneratingUnits_F89A79E9B468C007884A4944AADBB339" xlink:to="lab_tve_InvestmentInDeferredGeneratingUnits_F89A79E9B468C007884A4944AADBB339" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfDeferredGeneratingUnits_4954494C216AFD3E079F4944AADBA6E1_terseLabel_en-US" xlink:label="lab_tve_NumberOfDeferredGeneratingUnits_4954494C216AFD3E079F4944AADBA6E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of deferred generating units</link:label>
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    <link:label id="lab_tve_NumberOfDeferredGeneratingUnits_4954494C216AFD3E079F4944AADBA6E1_documentation_en-US" xlink:label="lab_tve_NumberOfDeferredGeneratingUnits_4954494C216AFD3E079F4944AADBA6E1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of deferred generating units.</link:label>
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    <link:label id="lab_us-gaap_RegulatoryNoncurrentAssetAmortizationPeriod_BC7F3A359A723E8A11E14944AADB36CF_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryNoncurrentAssetAmortizationPeriod_BC7F3A359A723E8A11E14944AADB36CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory Noncurrent Asset, Amortization Period</link:label>
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    <link:label id="lab_tve_RemainingBalanceToBeIncludedInPlantAssetBalanceAtCompletion_1E48C2D8FEB54042D8094944AADBC7DF_terseLabel_en-US" xlink:label="lab_tve_RemainingBalanceToBeIncludedInPlantAssetBalanceAtCompletion_1E48C2D8FEB54042D8094944AADBC7DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining balance to be included in plant asset balance at completion</link:label>
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    <link:label id="lab_tve_RemainingBalanceToBeIncludedInPlantAssetBalanceAtCompletion_1E48C2D8FEB54042D8094944AADBC7DF_documentation_en-US" xlink:label="lab_tve_RemainingBalanceToBeIncludedInPlantAssetBalanceAtCompletion_1E48C2D8FEB54042D8094944AADBC7DF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The remaining balance in the deferred generating units regulatory asset will not continue to be amortized into rates, but will be included in the plant asset balance at completion of construction.</link:label>
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    <link:label id="lab_tve_YearlyamortizationofDeferrednucleargeneratingunits_1C41185D7FA212B2D1C54944AADBFB47_documentation_en-US" xlink:label="lab_tve_YearlyamortizationofDeferrednucleargeneratingunits_1C41185D7FA212B2D1C54944AADBFB47" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The yearly expense to be charged against earnings to allocate the capitalized costs of the deferred nuclear generating units regulatory asset.</link:label>
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    <link:label id="lab_tve_InitialLiabilityRecorded_F39295212FE31CD976464944AADBE8B1_terseLabel_en-US" xlink:label="lab_tve_InitialLiabilityRecorded_F39295212FE31CD976464944AADBE8B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Initial regulatory asset</link:label>
    <link:label id="lab_tve_InitialLiabilityRecorded_F39295212FE31CD976464944AADBE8B1_label_en-US" xlink:label="lab_tve_InitialLiabilityRecorded_F39295212FE31CD976464944AADBE8B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Initial liability recorded</link:label>
    <link:label id="lab_tve_InitialLiabilityRecorded_F39295212FE31CD976464944AADBE8B1_documentation_en-US" xlink:label="lab_tve_InitialLiabilityRecorded_F39295212FE31CD976464944AADBE8B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total initial liability recorded for environmental agreements. This was deferred as a regulatory asset, after board approval, to collect this amount in rates.</link:label>
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    <link:label id="lab_tve_InvestmentInEnergyEfficiencyProjects_CABCAD92EB4AABD79B414944AADBB830_terseLabel_en-US" xlink:label="lab_tve_InvestmentInEnergyEfficiencyProjects_CABCAD92EB4AABD79B414944AADBB830" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment in energy efficiency projects</link:label>
    <link:label id="lab_tve_InvestmentInEnergyEfficiencyProjects_CABCAD92EB4AABD79B414944AADBB830_label_en-US" xlink:label="lab_tve_InvestmentInEnergyEfficiencyProjects_CABCAD92EB4AABD79B414944AADBB830" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment in energy efficiency projects</link:label>
    <link:label id="lab_tve_InvestmentInEnergyEfficiencyProjects_CABCAD92EB4AABD79B414944AADBB830_documentation_en-US" xlink:label="lab_tve_InvestmentInEnergyEfficiencyProjects_CABCAD92EB4AABD79B414944AADBB830" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Required investment in energy efficiency projects.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_InvestmentInEnergyEfficiencyProjects" xlink:label="loc_tve_InvestmentInEnergyEfficiencyProjects_CABCAD92EB4AABD79B414944AADBB830" xlink:type="locator" />
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    <link:label id="lab_tve_AmountToBePaidInCivilPenalties_484679C347A55975FA8A4944AADBD436_terseLabel_en-US" xlink:label="lab_tve_AmountToBePaidInCivilPenalties_484679C347A55975FA8A4944AADBD436" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount to be paid in civil penalties</link:label>
    <link:label id="lab_tve_AmountToBePaidInCivilPenalties_484679C347A55975FA8A4944AADBD436_label_en-US" xlink:label="lab_tve_AmountToBePaidInCivilPenalties_484679C347A55975FA8A4944AADBD436" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount to be paid in civil penalties</link:label>
    <link:label id="lab_tve_AmountToBePaidInCivilPenalties_484679C347A55975FA8A4944AADBD436_documentation_en-US" xlink:label="lab_tve_AmountToBePaidInCivilPenalties_484679C347A55975FA8A4944AADBD436" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of environmental agreements to be paid in civil penalties.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AmountToBePaidInCivilPenalties" xlink:label="loc_tve_AmountToBePaidInCivilPenalties_484679C347A55975FA8A4944AADBD436" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AmortizationOfRegulatoryAsset_6F8BBC89C2926421763E4944AADB7264_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfRegulatoryAsset_6F8BBC89C2926421763E4944AADB7264" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory asset amount expensed</link:label>
    <link:label id="lab_us-gaap_AmortizationOfRegulatoryAsset_6F8BBC89C2926421763E4944AADB7264_label_en-US" xlink:label="lab_us-gaap_AmortizationOfRegulatoryAsset_6F8BBC89C2926421763E4944AADB7264" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Regulatory Asset</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AmortizationOfRegulatoryAsset" xlink:label="loc_us-gaap_AmortizationOfRegulatoryAsset_6F8BBC89C2926421763E4944AADB7264" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates_5DB5FAE5E708D2E51F6D4944AADBF662_terseLabel_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates_5DB5FAE5E708D2E51F6D4944AADBF662" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimate increase</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates_5DB5FAE5E708D2E51F6D4944AADBF662" xlink:type="locator" />
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    <link:label id="lab_tve_Regulatorycurrentassetamortizationperiod_9BB60695B258189BAD134944AADBA711_terseLabel_en-US" xlink:label="lab_tve_Regulatorycurrentassetamortizationperiod_9BB60695B258189BAD134944AADBA711" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current regulatory asset amortization period</link:label>
    <link:label id="lab_tve_Regulatorycurrentassetamortizationperiod_9BB60695B258189BAD134944AADBA711_label_en-US" xlink:label="lab_tve_Regulatorycurrentassetamortizationperiod_9BB60695B258189BAD134944AADBA711" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">RegulatoryCurrentAssetAmortizationPeriod</link:label>
    <link:label id="lab_tve_Regulatorycurrentassetamortizationperiod_9BB60695B258189BAD134944AADBA711_documentation_en-US" xlink:label="lab_tve_Regulatorycurrentassetamortizationperiod_9BB60695B258189BAD134944AADBA711" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amortization period for recovery of the individual regulatory current asset in a schedule of regulatory assets.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_Regulatorycurrentassetamortizationperiod" xlink:label="loc_tve_Regulatorycurrentassetamortizationperiod_9BB60695B258189BAD134944AADBA711" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_Regulatorycurrentassetamortizationperiod_9BB60695B258189BAD134944AADBA711" xlink:to="lab_tve_Regulatorycurrentassetamortizationperiod_9BB60695B258189BAD134944AADBA711" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfShortTermDebtTable_9FEA03AB579007E73C214FE1E5E749FD_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShortTermDebtTable_9FEA03AB579007E73C214FE1E5E749FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term Debt</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShortTermDebtTable_9FEA03AB579007E73C214FE1E5E749FD_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShortTermDebtTable_9FEA03AB579007E73C214FE1E5E749FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Short-term Debt [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShortTermDebtTable" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_9FEA03AB579007E73C214FE1E5E749FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_9FEA03AB579007E73C214FE1E5E749FD" xlink:to="lab_us-gaap_ScheduleOfShortTermDebtTable_9FEA03AB579007E73C214FE1E5E749FD" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShortTermDebtLineItems_05B5A566B9BD4A11200A4FE1E5E731F7_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtLineItems_05B5A566B9BD4A11200A4FE1E5E731F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term Debt</link:label>
    <link:label id="lab_us-gaap_ShortTermDebtLineItems_05B5A566B9BD4A11200A4FE1E5E731F7_label_en-US" xlink:label="lab_us-gaap_ShortTermDebtLineItems_05B5A566B9BD4A11200A4FE1E5E731F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term Debt [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShortTermDebtLineItems" xlink:label="loc_us-gaap_ShortTermDebtLineItems_05B5A566B9BD4A11200A4FE1E5E731F7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtLineItems_05B5A566B9BD4A11200A4FE1E5E731F7" xlink:to="lab_us-gaap_ShortTermDebtLineItems_05B5A566B9BD4A11200A4FE1E5E731F7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShortTermDebtWeightedAverageInterestRate_8C425B0D1F199326A31F4FE1E5E7D5EE_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtWeightedAverageInterestRate_8C425B0D1F199326A31F4FE1E5E7D5EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term debt, weighted average interest rate</link:label>
    <link:label id="lab_us-gaap_ShortTermDebtWeightedAverageInterestRate_8C425B0D1F199326A31F4FE1E5E7D5EE_label_en-US" xlink:label="lab_us-gaap_ShortTermDebtWeightedAverageInterestRate_8C425B0D1F199326A31F4FE1E5E7D5EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term Debt, Weighted Average Interest Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_8C425B0D1F199326A31F4FE1E5E7D5EE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod_631CA276B86A2ADF18EC4FE1E5E7C92F_terseLabel_en-US" xlink:label="lab_us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod_631CA276B86A2ADF18EC4FE1E5E7C92F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term debt, maximum amount outstanding during period</link:label>
    <link:label id="lab_us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod_631CA276B86A2ADF18EC4FE1E5E7C92F_label_en-US" xlink:label="lab_us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod_631CA276B86A2ADF18EC4FE1E5E7C92F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term Debt, Maximum Amount Outstanding During Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod" xlink:label="loc_us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod_631CA276B86A2ADF18EC4FE1E5E7C92F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShorttermDebtAverageOutstandingAmount_0FD3B4699316BAF822C44FE1E5E7C4D9_terseLabel_en-US" xlink:label="lab_us-gaap_ShorttermDebtAverageOutstandingAmount_0FD3B4699316BAF822C44FE1E5E7C4D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term debt, average amount outstanding</link:label>
    <link:label id="lab_us-gaap_ShorttermDebtAverageOutstandingAmount_0FD3B4699316BAF822C44FE1E5E7C4D9_label_en-US" xlink:label="lab_us-gaap_ShorttermDebtAverageOutstandingAmount_0FD3B4699316BAF822C44FE1E5E7C4D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term Debt, Average Outstanding Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShorttermDebtAverageOutstandingAmount" xlink:label="loc_us-gaap_ShorttermDebtAverageOutstandingAmount_0FD3B4699316BAF822C44FE1E5E7C4D9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateDuringPeriod_0D330745D899115A18394FE1E5E74BB9_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateDuringPeriod_0D330745D899115A18394FE1E5E74BB9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average interest rates during period</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateDuringPeriod_0D330745D899115A18394FE1E5E74BB9_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateDuringPeriod_0D330745D899115A18394FE1E5E74BB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate During Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateDuringPeriod" xlink:label="loc_us-gaap_DebtInstrumentInterestRateDuringPeriod_0D330745D899115A18394FE1E5E74BB9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis_2B051A8321D14362125D599CD1C3FF50_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis_2B051A8321D14362125D599CD1C3FF50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Obligations</link:label>
    <link:label id="lab_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis_2B051A8321D14362125D599CD1C3FF50_label_en-US" xlink:label="lab_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis_2B051A8321D14362125D599CD1C3FF50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Commitment, Excluding Long-term Commitment [Axis]</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis_2B051A8321D14362125D599CD1C3FF50" xlink:to="lab_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis_2B051A8321D14362125D599CD1C3FF50" xlink:type="arc" />
    <link:label id="lab_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_E1A8EC8471372047544D599CD1C321ED_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_E1A8EC8471372047544D599CD1C321ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Obligations</link:label>
    <link:label id="lab_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_E1A8EC8471372047544D599CD1C321ED_label_en-US" xlink:label="lab_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_E1A8EC8471372047544D599CD1C321ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Commitment, Excluding Long-term Commitment [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain" xlink:label="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_E1A8EC8471372047544D599CD1C321ED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_E1A8EC8471372047544D599CD1C321ED" xlink:to="lab_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_E1A8EC8471372047544D599CD1C321ED" xlink:type="arc" />
    <link:label id="lab_tve_PurchaseAgreementsRequiredByFederalLawMember_4335349F3B0DB1E1E359599CD1C39AD5_terseLabel_en-US" xlink:label="lab_tve_PurchaseAgreementsRequiredByFederalLawMember_4335349F3B0DB1E1E359599CD1C39AD5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Agreements Required by Federal Law</link:label>
    <link:label id="lab_tve_PurchaseAgreementsRequiredByFederalLawMember_4335349F3B0DB1E1E359599CD1C39AD5_label_en-US" xlink:label="lab_tve_PurchaseAgreementsRequiredByFederalLawMember_4335349F3B0DB1E1E359599CD1C39AD5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Agreements Required by Federal Law [Member]</link:label>
    <link:label id="lab_tve_PurchaseAgreementsRequiredByFederalLawMember_4335349F3B0DB1E1E359599CD1C39AD5_documentation_en-US" xlink:label="lab_tve_PurchaseAgreementsRequiredByFederalLawMember_4335349F3B0DB1E1E359599CD1C39AD5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase agreements required by federal law.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PurchaseAgreementsRequiredByFederalLawMember" xlink:label="loc_tve_PurchaseAgreementsRequiredByFederalLawMember_4335349F3B0DB1E1E359599CD1C39AD5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PurchaseAgreementsRequiredByFederalLawMember_4335349F3B0DB1E1E359599CD1C39AD5" xlink:to="lab_tve_PurchaseAgreementsRequiredByFederalLawMember_4335349F3B0DB1E1E359599CD1C39AD5" xlink:type="arc" />
    <link:label id="lab_tve_PurchaseObligationsCoalMember_33C2E88682F70ED204D4599CD1C3E298_terseLabel_en-US" xlink:label="lab_tve_PurchaseObligationsCoalMember_33C2E88682F70ED204D4599CD1C3E298" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Coal [Member]</link:label>
    <link:label id="lab_tve_PurchaseObligationsCoalMember_33C2E88682F70ED204D4599CD1C3E298_label_en-US" xlink:label="lab_tve_PurchaseObligationsCoalMember_33C2E88682F70ED204D4599CD1C3E298" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Coal [Member]</link:label>
    <link:label id="lab_tve_PurchaseObligationsCoalMember_33C2E88682F70ED204D4599CD1C3E298_documentation_en-US" xlink:label="lab_tve_PurchaseObligationsCoalMember_33C2E88682F70ED204D4599CD1C3E298" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Coal [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PurchaseObligationsCoalMember" xlink:label="loc_tve_PurchaseObligationsCoalMember_33C2E88682F70ED204D4599CD1C3E298" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PurchaseObligationsCoalMember_33C2E88682F70ED204D4599CD1C3E298" xlink:to="lab_tve_PurchaseObligationsCoalMember_33C2E88682F70ED204D4599CD1C3E298" xlink:type="arc" />
    <link:label id="lab_tve_PurchaseObligationsNuclearFuelMember_AA12ADA52745B9450A77599CD1C3DCB8_terseLabel_en-US" xlink:label="lab_tve_PurchaseObligationsNuclearFuelMember_AA12ADA52745B9450A77599CD1C3DCB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Nuclear Fuel [Member]</link:label>
    <link:label id="lab_tve_PurchaseObligationsNuclearFuelMember_AA12ADA52745B9450A77599CD1C3DCB8_label_en-US" xlink:label="lab_tve_PurchaseObligationsNuclearFuelMember_AA12ADA52745B9450A77599CD1C3DCB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Nuclear Fuel [Member]</link:label>
    <link:label id="lab_tve_PurchaseObligationsNuclearFuelMember_AA12ADA52745B9450A77599CD1C3DCB8_documentation_en-US" xlink:label="lab_tve_PurchaseObligationsNuclearFuelMember_AA12ADA52745B9450A77599CD1C3DCB8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase Obligations - Nuclear Fuel [Member]</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PurchaseObligationsNuclearFuelMember" xlink:label="loc_tve_PurchaseObligationsNuclearFuelMember_AA12ADA52745B9450A77599CD1C3DCB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PurchaseObligationsNuclearFuelMember_AA12ADA52745B9450A77599CD1C3DCB8" xlink:to="lab_tve_PurchaseObligationsNuclearFuelMember_AA12ADA52745B9450A77599CD1C3DCB8" xlink:type="arc" />
    <link:label id="lab_tve_MegawattsProvidedUnderPowerPurchaseObligations_9847D300BFD3A9B0AEA7599CD1C3336A_terseLabel_en-US" xlink:label="lab_tve_MegawattsProvidedUnderPowerPurchaseObligations_9847D300BFD3A9B0AEA7599CD1C3336A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Megawatts provided under power purchase obligations</link:label>
    <link:label id="lab_tve_MegawattsProvidedUnderPowerPurchaseObligations_9847D300BFD3A9B0AEA7599CD1C3336A_label_en-US" xlink:label="lab_tve_MegawattsProvidedUnderPowerPurchaseObligations_9847D300BFD3A9B0AEA7599CD1C3336A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Megawatts provided under power purchase obligations</link:label>
    <link:label id="lab_tve_MegawattsProvidedUnderPowerPurchaseObligations_9847D300BFD3A9B0AEA7599CD1C3336A_documentation_en-US" xlink:label="lab_tve_MegawattsProvidedUnderPowerPurchaseObligations_9847D300BFD3A9B0AEA7599CD1C3336A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of megawatts provided under the power purchase obligations.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_MegawattsProvidedUnderPowerPurchaseObligations" xlink:label="loc_tve_MegawattsProvidedUnderPowerPurchaseObligations_9847D300BFD3A9B0AEA7599CD1C3336A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_MegawattsProvidedUnderPowerPurchaseObligations_9847D300BFD3A9B0AEA7599CD1C3336A" xlink:to="lab_tve_MegawattsProvidedUnderPowerPurchaseObligations_9847D300BFD3A9B0AEA7599CD1C3336A" xlink:type="arc" />
    <link:label id="lab_tve_RemainingTermsOfAgreementsHighEndOfRange_63C36E0A291B62A7969F599CD1C36C04_terseLabel_en-US" xlink:label="lab_tve_RemainingTermsOfAgreementsHighEndOfRange_63C36E0A291B62A7969F599CD1C36C04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining terms of the agreements, high end of range</link:label>
    <link:label id="lab_tve_RemainingTermsOfAgreementsHighEndOfRange_63C36E0A291B62A7969F599CD1C36C04_label_en-US" xlink:label="lab_tve_RemainingTermsOfAgreementsHighEndOfRange_63C36E0A291B62A7969F599CD1C36C04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remaining terms of the agreements, high end of range</link:label>
    <link:label id="lab_tve_RemainingTermsOfAgreementsHighEndOfRange_63C36E0A291B62A7969F599CD1C36C04_documentation_en-US" xlink:label="lab_tve_RemainingTermsOfAgreementsHighEndOfRange_63C36E0A291B62A7969F599CD1C36C04" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The high end of the range of remaining terms of the agreements.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_RemainingTermsOfAgreementsHighEndOfRange" xlink:label="loc_tve_RemainingTermsOfAgreementsHighEndOfRange_63C36E0A291B62A7969F599CD1C36C04" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_RemainingTermsOfAgreementsHighEndOfRange_63C36E0A291B62A7969F599CD1C36C04" xlink:to="lab_tve_RemainingTermsOfAgreementsHighEndOfRange_63C36E0A291B62A7969F599CD1C36C04" xlink:type="arc" />
    <link:label id="lab_tve_PowerPurchasedUnderAgreement_40D677AFC57DACFA6DCE599CD1C3B706_terseLabel_en-US" xlink:label="lab_tve_PowerPurchasedUnderAgreement_40D677AFC57DACFA6DCE599CD1C3B706" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Power purchased under agreement</link:label>
    <link:label id="lab_tve_PowerPurchasedUnderAgreement_40D677AFC57DACFA6DCE599CD1C3B706_label_en-US" xlink:label="lab_tve_PowerPurchasedUnderAgreement_40D677AFC57DACFA6DCE599CD1C3B706" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Power purchased under agreement</link:label>
    <link:label id="lab_tve_PowerPurchasedUnderAgreement_40D677AFC57DACFA6DCE599CD1C3B706_documentation_en-US" xlink:label="lab_tve_PowerPurchasedUnderAgreement_40D677AFC57DACFA6DCE599CD1C3B706" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The expense for power purchased under contractual power purchase obligations.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PowerPurchasedUnderAgreement" xlink:label="loc_tve_PowerPurchasedUnderAgreement_40D677AFC57DACFA6DCE599CD1C3B706" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PowerPurchasedUnderAgreement_40D677AFC57DACFA6DCE599CD1C3B706" xlink:to="lab_tve_PowerPurchasedUnderAgreement_40D677AFC57DACFA6DCE599CD1C3B706" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfSuppliers_50D0B5A256FB88A20FC6599CD1C35EC2_terseLabel_en-US" xlink:label="lab_tve_NumberOfSuppliers_50D0B5A256FB88A20FC6599CD1C35EC2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of suppliers</link:label>
    <link:label id="lab_tve_NumberOfSuppliers_50D0B5A256FB88A20FC6599CD1C35EC2_label_en-US" xlink:label="lab_tve_NumberOfSuppliers_50D0B5A256FB88A20FC6599CD1C35EC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of suppliers</link:label>
    <link:label id="lab_tve_NumberOfSuppliers_50D0B5A256FB88A20FC6599CD1C35EC2_documentation_en-US" xlink:label="lab_tve_NumberOfSuppliers_50D0B5A256FB88A20FC6599CD1C35EC2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of suppliers.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfSuppliers" xlink:label="loc_tve_NumberOfSuppliers_50D0B5A256FB88A20FC6599CD1C35EC2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfSuppliers_50D0B5A256FB88A20FC6599CD1C35EC2" xlink:to="lab_tve_NumberOfSuppliers_50D0B5A256FB88A20FC6599CD1C35EC2" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower_C0A3DCABD080874E3912599CD1C3C8A4_terseLabel_en-US" xlink:label="lab_tve_NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower_C0A3DCABD080874E3912599CD1C3C8A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of U.S. Army Corps of Engineers hydroelectric facilities contracted with to obtain power</link:label>
    <link:label id="lab_tve_NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower_C0A3DCABD080874E3912599CD1C3C8A4_label_en-US" xlink:label="lab_tve_NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower_C0A3DCABD080874E3912599CD1C3C8A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of U.S. Army Corps of Engineers hydroelectric facilities contracted with to obtain power</link:label>
    <link:label id="lab_tve_NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower_C0A3DCABD080874E3912599CD1C3C8A4_documentation_en-US" xlink:label="lab_tve_NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower_C0A3DCABD080874E3912599CD1C3C8A4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of U.S. Army Corps of Engineers hydroelectric facilities contracted with to obtain power</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower" xlink:label="loc_tve_NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower_C0A3DCABD080874E3912599CD1C3C8A4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower_C0A3DCABD080874E3912599CD1C3C8A4" xlink:to="lab_tve_NumberOfUSArmyCorpsOfEngineersHydroelectricFacilitiesContractedWithToObtainPower_C0A3DCABD080874E3912599CD1C3C8A4" xlink:type="arc" />
    <link:label id="lab_tve_AgreementTerminationNoticePeriod_105147CA5D5E2775DD38599CD1C31154_terseLabel_en-US" xlink:label="lab_tve_AgreementTerminationNoticePeriod_105147CA5D5E2775DD38599CD1C31154" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agreement termination notice period</link:label>
    <link:label id="lab_tve_AgreementTerminationNoticePeriod_105147CA5D5E2775DD38599CD1C31154_label_en-US" xlink:label="lab_tve_AgreementTerminationNoticePeriod_105147CA5D5E2775DD38599CD1C31154" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agreement termination notice period</link:label>
    <link:label id="lab_tve_AgreementTerminationNoticePeriod_105147CA5D5E2775DD38599CD1C31154_documentation_en-US" xlink:label="lab_tve_AgreementTerminationNoticePeriod_105147CA5D5E2775DD38599CD1C31154" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Agreement termination notice period</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_AgreementTerminationNoticePeriod" xlink:label="loc_tve_AgreementTerminationNoticePeriod_105147CA5D5E2775DD38599CD1C31154" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_AgreementTerminationNoticePeriod_105147CA5D5E2775DD38599CD1C31154" xlink:to="lab_tve_AgreementTerminationNoticePeriod_105147CA5D5E2775DD38599CD1C31154" xlink:type="arc" />
    <link:label id="lab_tve_MinimumRequiredHoursOfPower_17DEEB3F4C9394F8AC7C599CD1C3FDE0_terseLabel_en-US" xlink:label="lab_tve_MinimumRequiredHoursOfPower_17DEEB3F4C9394F8AC7C599CD1C3FDE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum required hours of power</link:label>
    <link:label id="lab_tve_MinimumRequiredHoursOfPower_17DEEB3F4C9394F8AC7C599CD1C3FDE0_label_en-US" xlink:label="lab_tve_MinimumRequiredHoursOfPower_17DEEB3F4C9394F8AC7C599CD1C3FDE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum required hours of power</link:label>
    <link:label id="lab_tve_MinimumRequiredHoursOfPower_17DEEB3F4C9394F8AC7C599CD1C3FDE0_documentation_en-US" xlink:label="lab_tve_MinimumRequiredHoursOfPower_17DEEB3F4C9394F8AC7C599CD1C3FDE0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum required hours of power</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_MinimumRequiredHoursOfPower" xlink:label="loc_tve_MinimumRequiredHoursOfPower_17DEEB3F4C9394F8AC7C599CD1C3FDE0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_MinimumRequiredHoursOfPower_17DEEB3F4C9394F8AC7C599CD1C3FDE0" xlink:to="lab_tve_MinimumRequiredHoursOfPower_17DEEB3F4C9394F8AC7C599CD1C3FDE0" xlink:type="arc" />
    <link:label id="lab_tve_MegawattAllocation_74C181567ACBA8C914B8599CD1C3B645_terseLabel_en-US" xlink:label="lab_tve_MegawattAllocation_74C181567ACBA8C914B8599CD1C3B645" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Megawatt allocation</link:label>
    <link:label id="lab_tve_MegawattAllocation_74C181567ACBA8C914B8599CD1C3B645_label_en-US" xlink:label="lab_tve_MegawattAllocation_74C181567ACBA8C914B8599CD1C3B645" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Megawatt allocation</link:label>
    <link:label id="lab_tve_MegawattAllocation_74C181567ACBA8C914B8599CD1C3B645_documentation_en-US" xlink:label="lab_tve_MegawattAllocation_74C181567ACBA8C914B8599CD1C3B645" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Megawatt allocation</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_MegawattAllocation" xlink:label="loc_tve_MegawattAllocation_74C181567ACBA8C914B8599CD1C3B645" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_MegawattAllocation_74C181567ACBA8C914B8599CD1C3B645" xlink:to="lab_tve_MegawattAllocation_74C181567ACBA8C914B8599CD1C3B645" xlink:type="arc" />
    <link:label id="lab_tve_NumberOfHydroelecticFacilitiesWithReducedProduction_C2A0002F3D1623DFE246599CD1C3B077_terseLabel_en-US" xlink:label="lab_tve_NumberOfHydroelecticFacilitiesWithReducedProduction_C2A0002F3D1623DFE246599CD1C3B077" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of hydroelectic facilities with reduced production</link:label>
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    <link:label id="lab_us-gaap_Depreciation_BAEA0C8A8E08EBBF8857599CD53C7B77_terseLabel_en-US" xlink:label="lab_us-gaap_Depreciation_BAEA0C8A8E08EBBF8857599CD53C7B77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
    <link:label id="lab_us-gaap_Depreciation_BAEA0C8A8E08EBBF8857599CD53C7B77_label_en-US" xlink:label="lab_us-gaap_Depreciation_BAEA0C8A8E08EBBF8857599CD53C7B77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
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    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService_E478AADA2D41E6D3741D599CD53CD747_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService_E478AADA2D41E6D3741D599CD53CD747" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Composite depreciation rate for completed plant</link:label>
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    <link:label id="lab_us-gaap_OtherDepreciationAndAmortization_CE923452CD1CEB2732D6599CD53C7BB3_terseLabel_en-US" xlink:label="lab_us-gaap_OtherDepreciationAndAmortization_CE923452CD1CEB2732D6599CD53C7BB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accelerated depreciation</link:label>
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    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_787C898C5BD77AB42B3B599CD53C834F_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_787C898C5BD77AB42B3B599CD53C834F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Allowance for funds used during construction and nuclear fuel expenditures</link:label>
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    <link:label id="lab_tve_AfudcMinimumTotalProjectCost_A82E83AB312A8BE43224599CD53C5EE6_terseLabel_en-US" xlink:label="lab_tve_AfudcMinimumTotalProjectCost_A82E83AB312A8BE43224599CD53C5EE6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AFUDC minimum total project cost</link:label>
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    <link:label id="lab_tve_AfudcMinimumTotalProjectCost_A82E83AB312A8BE43224599CD53C5EE6_documentation_en-US" xlink:label="lab_tve_AfudcMinimumTotalProjectCost_A82E83AB312A8BE43224599CD53C5EE6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest on funds invested in capital projects has been capitalized only for projects with (1) an expected total project cost of $1.0 billion or more, and (2) an estimated construction period of at least three years in duration.</link:label>
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    <link:label id="lab_tve_Minimumconstructionperiod._EB129341AC8568EA06DA59F345AE7924_label_en-US" xlink:label="lab_tve_Minimumconstructionperiod._EB129341AC8568EA06DA59F345AE7924" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum construction period.</link:label>
    <link:label id="lab_tve_Minimumconstructionperiod._EB129341AC8568EA06DA59F345AE7924_documentation_en-US" xlink:label="lab_tve_Minimumconstructionperiod._EB129341AC8568EA06DA59F345AE7924" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum construction period necessary in order to capitalize allowance for funds used during construction.</link:label>
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    <link:label id="lab_tve_AccumulatedBalanceOfQualifyingProjects_A318E66260903BA25E65599CD53C8F24_terseLabel_en-US" xlink:label="lab_tve_AccumulatedBalanceOfQualifyingProjects_A318E66260903BA25E65599CD53C8F24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated balance of qualifying projects</link:label>
    <link:label id="lab_tve_AccumulatedBalanceOfQualifyingProjects_A318E66260903BA25E65599CD53C8F24_label_en-US" xlink:label="lab_tve_AccumulatedBalanceOfQualifyingProjects_A318E66260903BA25E65599CD53C8F24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated balance of qualifying projects</link:label>
    <link:label id="lab_tve_AccumulatedBalanceOfQualifyingProjects_A318E66260903BA25E65599CD53C8F24_documentation_en-US" xlink:label="lab_tve_AccumulatedBalanceOfQualifyingProjects_A318E66260903BA25E65599CD53C8F24" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The accumulated balance of costs for qualifying projects used to calculate AFUDC.</link:label>
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    <link:label id="lab_tve_AmortizationPeriod_92226A248E0B988033B0599CD53CD4D7_terseLabel_en-US" xlink:label="lab_tve_AmortizationPeriod_92226A248E0B988033B0599CD53CD4D7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalized software amortization period</link:label>
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    <link:loc xlink:href="tve-20130930.xsd#tve_AmortizationPeriod" xlink:label="loc_tve_AmortizationPeriod_92226A248E0B988033B0599CD53CD4D7" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CapitalizedComputerSoftwareNet_29DE0E590DFA26B996F7599CD53CEB8C_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalizedComputerSoftwareNet_29DE0E590DFA26B996F7599CD53CEB8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unamortized computer software costs</link:label>
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    <link:label id="lab_us-gaap_CapitalizedComputerSoftwareAmortization_1D71E623F018CC94CDE0599CD53CAB9F_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalizedComputerSoftwareAmortization_1D71E623F018CC94CDE0599CD53CAB9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization expense of capitalized computer software costs</link:label>
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    <link:label id="lab_tve_PensionandOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrentMember_E2E32889997CED4A861D4944D45C28FB_terseLabel_en-US" xlink:label="lab_tve_PensionandOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrentMember_E2E32889997CED4A861D4944D45C28FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent [Member]</link:label>
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    <link:label id="lab_tve_AmountOfDefinedBenefitPlanActuarialGainLossFromHealthCareCostTrendRateChange_F7DCC4C6004C64B05FDB58C8BC2404C0_negatedTerseLabel_en-US" xlink:label="lab_tve_AmountOfDefinedBenefitPlanActuarialGainLossFromHealthCareCostTrendRateChange_F7DCC4C6004C64B05FDB58C8BC2404C0" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amount of defined benefit plan actuarial gain (loss) from health care cost trend rate change</link:label>
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    <link:loc xlink:href="tve-20130930.xsd#tve_AmountOfDefinedBenefitPlanActuarialGainLossFromHealthCareCostTrendRateChange" xlink:label="loc_tve_AmountOfDefinedBenefitPlanActuarialGainLossFromHealthCareCostTrendRateChange_F7DCC4C6004C64B05FDB58C8BC2404C0" xlink:type="locator" />
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    <link:label id="lab_tve_CoreFixedIncomeMember_AECB1A43F2942A29DEFF58C8A456B002_terseLabel_en-US" xlink:label="lab_tve_CoreFixedIncomeMember_AECB1A43F2942A29DEFF58C8A456B002" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Core fixed income</link:label>
    <link:label id="lab_tve_CoreFixedIncomeMember_AECB1A43F2942A29DEFF58C8A456B002_label_en-US" xlink:label="lab_tve_CoreFixedIncomeMember_AECB1A43F2942A29DEFF58C8A456B002" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Core fixed income [Member]</link:label>
    <link:label id="lab_tve_CoreFixedIncomeMember_AECB1A43F2942A29DEFF58C8A456B002_documentation_en-US" xlink:label="lab_tve_CoreFixedIncomeMember_AECB1A43F2942A29DEFF58C8A456B002" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instruments that include treasuries, agencies, and investment grade debt.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CoreFixedIncomeMember" xlink:label="loc_tve_CoreFixedIncomeMember_AECB1A43F2942A29DEFF58C8A456B002" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_CoreFixedIncomeMember_AECB1A43F2942A29DEFF58C8A456B002" xlink:to="lab_tve_CoreFixedIncomeMember_AECB1A43F2942A29DEFF58C8A456B002" xlink:type="arc" />
    <link:label id="lab_tve_LongTermCoreFixedIncomeMember_66B3EC901E83ABF39CC658C8A456A8DE_terseLabel_en-US" xlink:label="lab_tve_LongTermCoreFixedIncomeMember_66B3EC901E83ABF39CC658C8A456A8DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term core fixed income</link:label>
    <link:label id="lab_tve_LongTermCoreFixedIncomeMember_66B3EC901E83ABF39CC658C8A456A8DE_label_en-US" xlink:label="lab_tve_LongTermCoreFixedIncomeMember_66B3EC901E83ABF39CC658C8A456A8DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term core fixed income [Member]</link:label>
    <link:label id="lab_tve_LongTermCoreFixedIncomeMember_66B3EC901E83ABF39CC658C8A456A8DE_documentation_en-US" xlink:label="lab_tve_LongTermCoreFixedIncomeMember_66B3EC901E83ABF39CC658C8A456A8DE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instruments that include treasuries, agencies, and investment grade debt with maturities of 10 years or longer.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_LongTermCoreFixedIncomeMember" xlink:label="loc_tve_LongTermCoreFixedIncomeMember_66B3EC901E83ABF39CC658C8A456A8DE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_LongTermCoreFixedIncomeMember_66B3EC901E83ABF39CC658C8A456A8DE" xlink:to="lab_tve_LongTermCoreFixedIncomeMember_66B3EC901E83ABF39CC658C8A456A8DE" xlink:type="arc" />
    <link:label id="lab_tve_InvestmentGradeCreditMember_0C5B8C1155BBA93C545B58C8A456C9ED_terseLabel_en-US" xlink:label="lab_tve_InvestmentGradeCreditMember_0C5B8C1155BBA93C545B58C8A456C9ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment grade credit</link:label>
    <link:label id="lab_tve_InvestmentGradeCreditMember_0C5B8C1155BBA93C545B58C8A456C9ED_label_en-US" xlink:label="lab_tve_InvestmentGradeCreditMember_0C5B8C1155BBA93C545B58C8A456C9ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment grade credit [Member]</link:label>
    <link:label id="lab_tve_InvestmentGradeCreditMember_0C5B8C1155BBA93C545B58C8A456C9ED_documentation_en-US" xlink:label="lab_tve_InvestmentGradeCreditMember_0C5B8C1155BBA93C545B58C8A456C9ED" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instruments that exclude treasures and agencies but that include investment grade debt with maturities of 10 years or longer.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_InvestmentGradeCreditMember" xlink:label="loc_tve_InvestmentGradeCreditMember_0C5B8C1155BBA93C545B58C8A456C9ED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_InvestmentGradeCreditMember_0C5B8C1155BBA93C545B58C8A456C9ED" xlink:to="lab_tve_InvestmentGradeCreditMember_0C5B8C1155BBA93C545B58C8A456C9ED" xlink:type="arc" />
    <link:label id="lab_us-gaap_ForeignCorporateDebtSecuritiesMember_CE8804647BC4058800B058C8A456E548_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCorporateDebtSecuritiesMember_CE8804647BC4058800B058C8A456E548" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign Corporate Debt Securities [Member]</link:label>
    <link:label id="lab_us-gaap_ForeignCorporateDebtSecuritiesMember_CE8804647BC4058800B058C8A456E548_label_en-US" xlink:label="lab_us-gaap_ForeignCorporateDebtSecuritiesMember_CE8804647BC4058800B058C8A456E548" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Corporate Debt Securities [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_ForeignCorporateDebtSecuritiesMember_CE8804647BC4058800B058C8A456E548" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCorporateDebtSecuritiesMember_CE8804647BC4058800B058C8A456E548" xlink:to="lab_us-gaap_ForeignCorporateDebtSecuritiesMember_CE8804647BC4058800B058C8A456E548" xlink:type="arc" />
    <link:label id="lab_tve_HighYieldFixedIncomeMember_0B9C056C16D9E15F361458C8A456A069_terseLabel_en-US" xlink:label="lab_tve_HighYieldFixedIncomeMember_0B9C056C16D9E15F361458C8A456A069" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">High yield fixed income</link:label>
    <link:label id="lab_tve_HighYieldFixedIncomeMember_0B9C056C16D9E15F361458C8A456A069_label_en-US" xlink:label="lab_tve_HighYieldFixedIncomeMember_0B9C056C16D9E15F361458C8A456A069" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">High yield fixed income [Member]</link:label>
    <link:label id="lab_tve_HighYieldFixedIncomeMember_0B9C056C16D9E15F361458C8A456A069_documentation_en-US" xlink:label="lab_tve_HighYieldFixedIncomeMember_0B9C056C16D9E15F361458C8A456A069" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instruments that include below investment grade debt.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_HighYieldFixedIncomeMember" xlink:label="loc_tve_HighYieldFixedIncomeMember_0B9C056C16D9E15F361458C8A456A069" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_HighYieldFixedIncomeMember_0B9C056C16D9E15F361458C8A456A069" xlink:to="lab_tve_HighYieldFixedIncomeMember_0B9C056C16D9E15F361458C8A456A069" xlink:type="arc" />
    <link:label id="lab_tve_GlobalTipsMember_502E141131B2F20B81A958C8A456B2FB_terseLabel_en-US" xlink:label="lab_tve_GlobalTipsMember_502E141131B2F20B81A958C8A456B2FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Global TIPS</link:label>
    <link:label id="lab_tve_GlobalTipsMember_502E141131B2F20B81A958C8A456B2FB_label_en-US" xlink:label="lab_tve_GlobalTipsMember_502E141131B2F20B81A958C8A456B2FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Global TIPS [Member]</link:label>
    <link:label id="lab_tve_GlobalTipsMember_502E141131B2F20B81A958C8A456B2FB_documentation_en-US" xlink:label="lab_tve_GlobalTipsMember_502E141131B2F20B81A958C8A456B2FB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Treasury inflation protected securities that include US and sovereign nation inflation linked bonds.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_GlobalTipsMember" xlink:label="loc_tve_GlobalTipsMember_502E141131B2F20B81A958C8A456B2FB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_GlobalTipsMember_502E141131B2F20B81A958C8A456B2FB" xlink:to="lab_tve_GlobalTipsMember_502E141131B2F20B81A958C8A456B2FB" xlink:type="arc" />
    <link:label id="lab_tve_PrivateRealAssetsMember_341E16B6C5226002F7D258C8A4562CF5_terseLabel_en-US" xlink:label="lab_tve_PrivateRealAssetsMember_341E16B6C5226002F7D258C8A4562CF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private real assets</link:label>
    <link:label id="lab_tve_PrivateRealAssetsMember_341E16B6C5226002F7D258C8A4562CF5_label_en-US" xlink:label="lab_tve_PrivateRealAssetsMember_341E16B6C5226002F7D258C8A4562CF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private real assets [Member]</link:label>
    <link:label id="lab_tve_PrivateRealAssetsMember_341E16B6C5226002F7D258C8A4562CF5_documentation_en-US" xlink:label="lab_tve_PrivateRealAssetsMember_341E16B6C5226002F7D258C8A4562CF5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Private real estate, timber, infrastructure, farmland, and natural resources.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PrivateRealAssetsMember" xlink:label="loc_tve_PrivateRealAssetsMember_341E16B6C5226002F7D258C8A4562CF5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PrivateRealAssetsMember_341E16B6C5226002F7D258C8A4562CF5" xlink:to="lab_tve_PrivateRealAssetsMember_341E16B6C5226002F7D258C8A4562CF5" xlink:type="arc" />
    <link:label id="lab_tve_CommoditiesMember_2D4731B09E836401A0FE58C8A456E22A_terseLabel_en-US" xlink:label="lab_tve_CommoditiesMember_2D4731B09E836401A0FE58C8A456E22A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodities</link:label>
    <link:label id="lab_tve_CommoditiesMember_2D4731B09E836401A0FE58C8A456E22A_label_en-US" xlink:label="lab_tve_CommoditiesMember_2D4731B09E836401A0FE58C8A456E22A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commodities [Member]</link:label>
    <link:label id="lab_tve_CommoditiesMember_2D4731B09E836401A0FE58C8A456E22A_documentation_en-US" xlink:label="lab_tve_CommoditiesMember_2D4731B09E836401A0FE58C8A456E22A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments in agriculture, livestock, energy, precious metals, and industrial metals</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_CommoditiesMember" xlink:label="loc_tve_CommoditiesMember_2D4731B09E836401A0FE58C8A456E22A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_CommoditiesMember_2D4731B09E836401A0FE58C8A456E22A" xlink:to="lab_tve_CommoditiesMember_2D4731B09E836401A0FE58C8A456E22A" xlink:type="arc" />
    <link:label id="lab_tve_MlpsMember_1EA43B1CE8DEF1D355AE58C8A4564666_terseLabel_en-US" xlink:label="lab_tve_MlpsMember_1EA43B1CE8DEF1D355AE58C8A4564666" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MLPs</link:label>
    <link:label id="lab_tve_MlpsMember_1EA43B1CE8DEF1D355AE58C8A4564666_label_en-US" xlink:label="lab_tve_MlpsMember_1EA43B1CE8DEF1D355AE58C8A4564666" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">MLPs [Member]</link:label>
    <link:label id="lab_tve_MlpsMember_1EA43B1CE8DEF1D355AE58C8A4564666_documentation_en-US" xlink:label="lab_tve_MlpsMember_1EA43B1CE8DEF1D355AE58C8A4564666" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Master limited partnerships, which are publicly-traded limited partnerships, that invest in energy infrastructure.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_MlpsMember" xlink:label="loc_tve_MlpsMember_1EA43B1CE8DEF1D355AE58C8A4564666" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_MlpsMember_1EA43B1CE8DEF1D355AE58C8A4564666" xlink:to="lab_tve_MlpsMember_1EA43B1CE8DEF1D355AE58C8A4564666" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtSecuritiesMember_F100B408D5D884812A5758C8A4568147_terseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesMember_F100B408D5D884812A5758C8A4568147" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt securities</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesMember_F100B408D5D884812A5758C8A4568147_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesMember_F100B408D5D884812A5758C8A4568147" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="loc_us-gaap_DebtSecuritiesMember_F100B408D5D884812A5758C8A4568147" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtSecuritiesMember_F100B408D5D884812A5758C8A4568147" xlink:to="lab_us-gaap_DebtSecuritiesMember_F100B408D5D884812A5758C8A4568147" xlink:type="arc" />
    <link:label id="lab_tve_PublicRealAssetsMember_811B32E39C8EAFA0C2C058C8A45616CA_terseLabel_en-US" xlink:label="lab_tve_PublicRealAssetsMember_811B32E39C8EAFA0C2C058C8A45616CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Public real assets</link:label>
    <link:label id="lab_tve_PublicRealAssetsMember_811B32E39C8EAFA0C2C058C8A45616CA_label_en-US" xlink:label="lab_tve_PublicRealAssetsMember_811B32E39C8EAFA0C2C058C8A45616CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Public real assets [Member]</link:label>
    <link:label id="lab_tve_PublicRealAssetsMember_811B32E39C8EAFA0C2C058C8A45616CA_documentation_en-US" xlink:label="lab_tve_PublicRealAssetsMember_811B32E39C8EAFA0C2C058C8A45616CA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Public real assets that include treasury inflation protected securities, commodities, and master limited partnerships.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_PublicRealAssetsMember" xlink:label="loc_tve_PublicRealAssetsMember_811B32E39C8EAFA0C2C058C8A45616CA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_PublicRealAssetsMember_811B32E39C8EAFA0C2C058C8A45616CA" xlink:to="lab_tve_PublicRealAssetsMember_811B32E39C8EAFA0C2C058C8A45616CA" xlink:type="arc" />
    <link:label id="lab_tve_DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations_7D722FDD2DC3060750D358C8A456B36F_terseLabel_en-US" xlink:label="lab_tve_DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations_7D722FDD2DC3060750D358C8A456B36F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Policy Target Allocation</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations_7D722FDD2DC3060750D358C8A456B36F_label_en-US" xlink:label="lab_tve_DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations_7D722FDD2DC3060750D358C8A456B36F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, New Policy Target Plan Asset Allocations</link:label>
    <link:label id="lab_tve_DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations_7D722FDD2DC3060750D358C8A456B36F_documentation_en-US" xlink:label="lab_tve_DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations_7D722FDD2DC3060750D358C8A456B36F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New policy target allocation of investments of this type to total plan assets presented on a weighted average basis.</link:label>
    <link:loc xlink:href="tve-20130930.xsd#tve_DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations" xlink:label="loc_tve_DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations_7D722FDD2DC3060750D358C8A456B36F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tve_DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations_7D722FDD2DC3060750D358C8A456B36F" xlink:to="lab_tve_DefinedBenefitPlanNewPolicyTargetPlanAssetAllocations_7D722FDD2DC3060750D358C8A456B36F" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations_9BAB052634519E9086CC58C8A456DB7E_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations_9BAB052634519E9086CC58C8A456DB7E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Target Allocation</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations_9BAB052634519E9086CC58C8A456DB7E_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations_9BAB052634519E9086CC58C8A456DB7E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Target Plan Asset Allocations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations" xlink:label="loc_us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations_9BAB052634519E9086CC58C8A456DB7E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations_9BAB052634519E9086CC58C8A456DB7E" xlink:to="lab_us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations_9BAB052634519E9086CC58C8A456DB7E" xlink:type="arc" />
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