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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element7" xlink:to="label7" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element16" xlink:to="label16" />
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    <label xlink:type="resource" xlink:label="label17" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AccruedInterestAndTaxes_en-US">Carrying value as of the balance sheet date of accrued interest and accrued taxes.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element17" xlink:to="label17" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_InvestmentInAtcDisclosureAbstract" xlink:label="element18" />
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    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_RegionalTransmissionOrganizationsTextBlock" xlink:label="element26" />
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    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ElmRoadDisclosureAbstract" xlink:label="element30" />
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    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ElmRoadTextBlock" xlink:label="element33" />
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    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SegmentInformationDisclosureAbstract" xlink:label="element34" />
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    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SignificantAccountingPoliciesAbstract" xlink:label="element36" />
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    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ScheduleOfEquityMethodInvestmentsIncomeStatementTableTextBlock" xlink:label="element38" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element41" xlink:to="label41" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeAndHedgingInstrumentsTablesAbstract" xlink:label="element42" />
    <label xlink:type="resource" xlink:label="label42" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeAndHedgingInstrumentsTablesAbstract_en-US">Derivative and Hedging Instruments (Tables) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element42" xlink:to="label42" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPositionTableTextBlock" xlink:label="element43" />
    <label xlink:type="resource" xlink:label="label43" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPositionTableTextBlock_en-US">Schedule Of Derivative Instruments Gain Loss In Statement Of Financial Position [Table Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element43" xlink:to="label43" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPositionTableTextBlock" xlink:label="element44" />
    <label xlink:type="resource" xlink:label="label44" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPositionTableTextBlock_en-US">Derivative Gains and Losses in Balance Sheet</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element44" xlink:to="label44" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPositionTableTextBlock" xlink:label="element45" />
    <label xlink:type="resource" xlink:label="label45" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPositionTableTextBlock_en-US">Tabular disclsoure of the location and amount of gains and losses reported in the statement of financial position on derivative instruments designated and qualifying as hedging instruments.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element45" xlink:to="label45" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueOfFinancialInstrumentsTablesAbstract" xlink:label="element46" />
    <label xlink:type="resource" xlink:label="label46" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueOfFinancialInstrumentsTablesAbstract_en-US">Fair Value of Financial Instruments (Tables) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element46" xlink:to="label46" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:label="element47" />
    <label xlink:type="resource" xlink:label="label47" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_en-US">Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element47" xlink:to="label47" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:label="element48" />
    <label xlink:type="resource" xlink:label="label48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_en-US">Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element48" xlink:to="label48" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:label="element49" />
    <label xlink:type="resource" xlink:label="label49" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_en-US">Tabular disclosure of changes in Level 3 assets and liabilities measured at fair value on a recurring basis.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element49" xlink:to="label49" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SegmentInformationTablesLineItems" xlink:label="element50" />
    <label xlink:type="resource" xlink:label="label50" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_SegmentInformationTablesLineItems_en-US">Segment Information (Tables) [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element50" xlink:to="label50" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_InvestmentInAtcDetailsAbstract" xlink:label="element51" />
    <label xlink:type="resource" xlink:label="label51" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_InvestmentInAtcDetailsAbstract_en-US">Investment in ATC Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element51" xlink:to="label51" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentCapitalContributions" xlink:label="element52" />
    <label xlink:type="resource" xlink:label="label52" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_EquityMethodInvestmentCapitalContributions_en-US">Equity Method Investment Capital Contributions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element52" xlink:to="label52" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentCapitalContributions" xlink:label="element53" />
    <label xlink:type="resource" xlink:label="label53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_EquityMethodInvestmentCapitalContributions_en-US">Contributions to ATC</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element53" xlink:to="label53" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentCapitalContributions" xlink:label="element54" />
    <label xlink:type="resource" xlink:label="label54" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_EquityMethodInvestmentCapitalContributions_en-US">This item represents disclosure of the amount of contributions made to unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations; these investments are accounted for under the equity method of accounting.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element54" xlink:to="label54" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MgeTranscoMember" xlink:label="element55" />
    <label xlink:type="resource" xlink:label="label55" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_MgeTranscoMember_en-US">Mge Transco [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element55" xlink:to="label55" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MgeTranscoMember" xlink:label="element56" />
    <label xlink:type="resource" xlink:label="label56" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_MgeTranscoMember_en-US">MGE Transco.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element56" xlink:to="label56" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationOtherExpense" xlink:label="element57" />
    <label xlink:type="resource" xlink:label="label57" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_EquityMethodInvestmentSummarizedFinancialInformationOtherExpense_en-US">Equity Method Investment Summarized Financial Information Other Expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element57" xlink:to="label57" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationOtherExpense" xlink:label="element58" />
    <label xlink:type="resource" xlink:label="label58" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_mgee_EquityMethodInvestmentSummarizedFinancialInformationOtherExpense_en-US">Other expense, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element58" xlink:to="label58" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationOtherExpense" xlink:label="element59" />
    <label xlink:type="resource" xlink:label="label59" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_EquityMethodInvestmentSummarizedFinancialInformationOtherExpense_en-US">The amount of other expenses reported by an equity method investment of the entity.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element59" xlink:to="label59" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense" xlink:label="element60" />
    <label xlink:type="resource" xlink:label="label60" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense_en-US">Equity Method Investment Summarized Financial Information Interest Expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element60" xlink:to="label60" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense" xlink:label="element61" />
    <label xlink:type="resource" xlink:label="label61" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_mgee_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense_en-US">Interest expense, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element61" xlink:to="label61" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense" xlink:label="element62" />
    <label xlink:type="resource" xlink:label="label62" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense_en-US">The amount of interest reported by an equity method investment of the entity.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element62" xlink:to="label62" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLossBeforeTaxes" xlink:label="element63" />
    <label xlink:type="resource" xlink:label="label63" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLossBeforeTaxes_en-US">Equity Method Investment Summarized Financial Information Net Income Loss Before Taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element63" xlink:to="label63" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLossBeforeTaxes" xlink:label="element64" />
    <label xlink:type="resource" xlink:label="label64" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_mgee_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLossBeforeTaxes_en-US">Earnings before members' income taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element64" xlink:to="label64" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLossBeforeTaxes" xlink:label="element65" />
    <label xlink:type="resource" xlink:label="label65" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLossBeforeTaxes_en-US">The amount of net income or net loss before taxes reported by an equity method investment of the entity.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element65" xlink:to="label65" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PensionAndOtherPostretirementPlansDetailsAbstract" xlink:label="element66" />
    <label xlink:type="resource" xlink:label="label66" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PensionAndOtherPostretirementPlansDetailsAbstract_en-US">Pension and Other Postretirement Plans Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element66" xlink:to="label66" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredPensionAndOprbCostsRecoveredAbstract" xlink:label="element67" />
    <label xlink:type="resource" xlink:label="label67" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DeferredPensionAndOprbCostsRecoveredAbstract_en-US">Deferred pension and OPRB costs recovered [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element67" xlink:to="label67" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredPensionAndOprbCostsRecovered" xlink:label="element68" />
    <label xlink:type="resource" xlink:label="label68" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DeferredPensionAndOprbCostsRecovered_en-US">Deferred pension and OPRB costs recovered</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element68" xlink:to="label68" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredPensionAndOprbCostsRecovered" xlink:label="element69" />
    <label xlink:type="resource" xlink:label="label69" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DeferredPensionAndOprbCostsRecovered_en-US">Amount of the deferred incremental pension and other postretirement benefits recovered in rates.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element69" xlink:to="label69" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeAndHedgingInstrumentsDetailsAbstract" xlink:label="element70" />
    <label xlink:type="resource" xlink:label="label70" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeAndHedgingInstrumentsDetailsAbstract_en-US">Derivative And Hedging Instruments Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element70" xlink:to="label70" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GrossNotionalAmountOfDerivativesTotalAbstract" xlink:label="element71" />
    <label xlink:type="resource" xlink:label="label71" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_GrossNotionalAmountOfDerivativesTotalAbstract_en-US">Gross Notional Amount Of Derivatives Total [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element71" xlink:to="label71" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GrossNotionalAmountOfDerivativesTotalAbstract" xlink:label="element72" />
    <label xlink:type="resource" xlink:label="label72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_GrossNotionalAmountOfDerivativesTotalAbstract_en-US">Gross notional volume of open derivatives [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element72" xlink:to="label72" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GrossNotionalAmountOfCommodityDerivativesMegawattHours" xlink:label="element73" />
    <label xlink:type="resource" xlink:label="label73" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_GrossNotionalAmountOfCommodityDerivativesMegawattHours_en-US">Gross Notional Amount Of Commodity Derivatives Megawatt Hours</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element73" xlink:to="label73" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GrossNotionalAmountOfCommodityDerivativesMegawattHours" xlink:label="element74" />
    <label xlink:type="resource" xlink:label="label74" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_GrossNotionalAmountOfCommodityDerivativesMegawattHours_en-US">Commodity derivative contracts - MWh</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element74" xlink:to="label74" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GrossNotionalAmountOfCommodityDerivativesMegawattHours" xlink:label="element75" />
    <label xlink:type="resource" xlink:label="label75" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_GrossNotionalAmountOfCommodityDerivativesMegawattHours_en-US">Gross notional amount of commodity derivatives in megawatt hours.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element75" xlink:to="label75" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GrossNotionalAmountOfCommodityDekatherms" xlink:label="element76" />
    <label xlink:type="resource" xlink:label="label76" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_GrossNotionalAmountOfCommodityDekatherms_en-US">Gross Notional Amount Of Commodity Dekatherms</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element76" xlink:to="label76" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GrossNotionalAmountOfCommodityDekatherms" xlink:label="element77" />
    <label xlink:type="resource" xlink:label="label77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_GrossNotionalAmountOfCommodityDekatherms_en-US">Commodity derivative contracts - Dth</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element77" xlink:to="label77" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GrossNotionalAmountOfCommodityDekatherms" xlink:label="element78" />
    <label xlink:type="resource" xlink:label="label78" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_GrossNotionalAmountOfCommodityDekatherms_en-US">Gross notional amount of commodity derivatives in dekatherms.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element78" xlink:to="label78" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GrossNotionalAmountOfFtrsMegawatts" xlink:label="element79" />
    <label xlink:type="resource" xlink:label="label79" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_GrossNotionalAmountOfFtrsMegawatts_en-US">Gross Notional Amount Of Ftrs Megawatts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element79" xlink:to="label79" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GrossNotionalAmountOfFtrsMegawatts" xlink:label="element80" />
    <label xlink:type="resource" xlink:label="label80" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_GrossNotionalAmountOfFtrsMegawatts_en-US">Financial transmission rights - MW</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element80" xlink:to="label80" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GrossNotionalAmountOfFtrsMegawatts" xlink:label="element81" />
    <label xlink:type="resource" xlink:label="label81" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_GrossNotionalAmountOfFtrsMegawatts_en-US">Gross notional amount of financial transmission rights in megawatts.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element81" xlink:to="label81" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeFairValueOfDerivativeNetExchangeTradedAndFtrs" xlink:label="element82" />
    <label xlink:type="resource" xlink:label="label82" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeFairValueOfDerivativeNetExchangeTradedAndFtrs_en-US">Derivative Fair Value Of Derivative Net Exchange Traded And FTRs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element82" xlink:to="label82" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeFairValueOfDerivativeNetExchangeTradedAndFtrs" xlink:label="element83" />
    <label xlink:type="resource" xlink:label="label83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_DerivativeFairValueOfDerivativeNetExchangeTradedAndFtrs_en-US">Exchange traded and financial transmission rights</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element83" xlink:to="label83" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeFairValueOfDerivativeNetExchangeTradedAndFtrs" xlink:label="element84" />
    <label xlink:type="resource" xlink:label="label84" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DerivativeFairValueOfDerivativeNetExchangeTradedAndFtrs_en-US">Fair value as of the balance sheet date of the assets less the liabilities of exchange traded derivatives and financial transmission rights.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element84" xlink:to="label84" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeFairValueOfDerivativeNetPpa" xlink:label="element85" />
    <label xlink:type="resource" xlink:label="label85" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeFairValueOfDerivativeNetPpa_en-US">Derivative Fair Value Of Derivative Net PPA</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element85" xlink:to="label85" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeFairValueOfDerivativeNetPpa" xlink:label="element86" />
    <label xlink:type="resource" xlink:label="label86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_DerivativeFairValueOfDerivativeNetPpa_en-US">Purchased power agreement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element86" xlink:to="label86" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeFairValueOfDerivativeNetPpa" xlink:label="element87" />
    <label xlink:type="resource" xlink:label="label87" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DerivativeFairValueOfDerivativeNetPpa_en-US">Fair value as of the balance sheet date of the assets less the liabilities of the ten-year purchased power agreement.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element87" xlink:to="label87" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FinancialTransmissionRightsMember" xlink:label="element88" />
    <label xlink:type="resource" xlink:label="label88" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FinancialTransmissionRightsMember_en-US">Financial Transmission Rights [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element88" xlink:to="label88" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FinancialTransmissionRightsMember" xlink:label="element89" />
    <label xlink:type="resource" xlink:label="label89" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FinancialTransmissionRightsMember_en-US">Financial transmission rights.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element89" xlink:to="label89" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchasedPowerAgreementMember" xlink:label="element90" />
    <label xlink:type="resource" xlink:label="label90" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PurchasedPowerAgreementMember_en-US">Purchased Power Agreement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element90" xlink:to="label90" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchasedPowerAgreementMember" xlink:label="element91" />
    <label xlink:type="resource" xlink:label="label91" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PurchasedPowerAgreementMember_en-US">Purchased power agreement.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element91" xlink:to="label91" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheetLineItems" xlink:label="element92" />
    <label xlink:type="resource" xlink:label="label92" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheetLineItems_en-US">Derivative Unrealized Realized Gains Losses On Balance Sheet [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element92" xlink:to="label92" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheetLineItems" xlink:label="element93" />
    <label xlink:type="resource" xlink:label="label93" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheetLineItems_en-US">Unrealized and realized gains (losses) on balance sheet [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element93" xlink:to="label93" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheet" xlink:label="element94" />
    <label xlink:type="resource" xlink:label="label94" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheet_en-US">Derivative Unrealized Realized Gains Losses On Balance Sheet</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element94" xlink:to="label94" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheet" xlink:label="element95" />
    <label xlink:type="resource" xlink:label="label95" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheet_en-US">Unrealized and realized derivative gains and losses on balance sheet.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element95" xlink:to="label95" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheet" xlink:label="element96" />
    <label xlink:type="resource" xlink:label="label96" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US" id="periodStart_mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheet_en-US">Beginning balance,</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element96" xlink:to="label96" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheet" xlink:label="element97" />
    <label xlink:type="resource" xlink:label="label97" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US" id="periodEnd_mgee_DerivativeUnrealizedRealizedGainsLossesOnBalanceSheet_en-US">Ending balance,</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element97" xlink:to="label97" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeRealizedGainLossDeferred" xlink:label="element98" />
    <label xlink:type="resource" xlink:label="label98" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeRealizedGainLossDeferred_en-US">Derivative Realized Gain Loss Deferred</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element98" xlink:to="label98" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeRealizedGainLossDeferred" xlink:label="element99" />
    <label xlink:type="resource" xlink:label="label99" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_mgee_DerivativeRealizedGainLossDeferred_en-US">Realized loss reclassified to a deferred account</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element99" xlink:to="label99" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeRealizedGainLossDeferred" xlink:label="element100" />
    <label xlink:type="resource" xlink:label="label100" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DerivativeRealizedGainLossDeferred_en-US">Change in realized derivative gains and losses deferred.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element100" xlink:to="label100" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeRealizedGainLossRecognized" xlink:label="element101" />
    <label xlink:type="resource" xlink:label="label101" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeRealizedGainLossRecognized_en-US">Derivative Realized Gain Loss Recognized</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element101" xlink:to="label101" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeRealizedGainLossRecognized" xlink:label="element102" />
    <label xlink:type="resource" xlink:label="label102" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_mgee_DerivativeRealizedGainLossRecognized_en-US">Realized gain (loss) reclassified to income statement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element102" xlink:to="label102" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeRealizedGainLossRecognized" xlink:label="element103" />
    <label xlink:type="resource" xlink:label="label103" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DerivativeRealizedGainLossRecognized_en-US">Realized derivative gains and losses recognized.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element103" xlink:to="label103" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_RegulatoryAssetMember" xlink:label="element104" />
    <label xlink:type="resource" xlink:label="label104" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_RegulatoryAssetMember_en-US">Regulatory Asset [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element104" xlink:to="label104" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_RegulatoryAssetMember" xlink:label="element105" />
    <label xlink:type="resource" xlink:label="label105" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_RegulatoryAssetMember_en-US">Regulatory asset.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element105" xlink:to="label105" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueOfFinancialInstrumentsDetailsAbstract" xlink:label="element106" />
    <label xlink:type="resource" xlink:label="label106" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueOfFinancialInstrumentsDetailsAbstract_en-US">Fair Value Of Financial Instruments Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element106" xlink:to="label106" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShortTermDebtBankLoansFairValueDisclosure" xlink:label="element107" />
    <label xlink:type="resource" xlink:label="label107" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ShortTermDebtBankLoansFairValueDisclosure_en-US">Short Term Debt Bank Loans Fair Value Disclosure</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element107" xlink:to="label107" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShortTermDebtBankLoansFairValueDisclosure" xlink:label="element108" />
    <label xlink:type="resource" xlink:label="label108" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ShortTermDebtBankLoansFairValueDisclosure_en-US">This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents short-term debt bank loans obligation meeting the definition of a liability which should be reported as of the balance sheet date.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element108" xlink:to="label108" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShortTermDebtBankLoansFairValueDisclosure" xlink:label="element109" />
    <label xlink:type="resource" xlink:label="label109" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ShortTermDebtBankLoansFairValueDisclosure_en-US">Short-term debt - bank loans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element109" xlink:to="label109" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShortTermDebtCommercialPaperFairValueDisclosure" xlink:label="element110" />
    <label xlink:type="resource" xlink:label="label110" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ShortTermDebtCommercialPaperFairValueDisclosure_en-US">Short Term Debt Commercial Paper Fair Value Disclosure</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element110" xlink:to="label110" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShortTermDebtCommercialPaperFairValueDisclosure" xlink:label="element111" />
    <label xlink:type="resource" xlink:label="label111" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ShortTermDebtCommercialPaperFairValueDisclosure_en-US">Short-term debt - commercial paper</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element111" xlink:to="label111" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShortTermDebtCommercialPaperFairValueDisclosure" xlink:label="element112" />
    <label xlink:type="resource" xlink:label="label112" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ShortTermDebtCommercialPaperFairValueDisclosure_en-US">This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents short-term debt commercial paper obligations meeting the definition of a liability which should be reported as of the balance sheet date.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element112" xlink:to="label112" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LongTermDebtFairValueDisclosure" xlink:label="element113" />
    <label xlink:type="resource" xlink:label="label113" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_LongTermDebtFairValueDisclosure_en-US">Long Term Debt Fair Value Disclosure</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element113" xlink:to="label113" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LongTermDebtFairValueDisclosure" xlink:label="element114" />
    <label xlink:type="resource" xlink:label="label114" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_LongTermDebtFairValueDisclosure_en-US">Long-term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element114" xlink:to="label114" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LongTermDebtFairValueDisclosure" xlink:label="element115" />
    <label xlink:type="resource" xlink:label="label115" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_LongTermDebtFairValueDisclosure_en-US">This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents long-term debt obligations meeting the definition of a liability which should be reported as of the balance sheet date.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element115" xlink:to="label115" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" xlink:label="element116" />
    <label xlink:type="resource" xlink:label="label116" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems_en-US">Fair value assets and liabilities measured on recurring basis [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element116" xlink:to="label116" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationFairValueDisclosure" xlink:label="element117" />
    <label xlink:type="resource" xlink:label="label117" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DeferredCompensationFairValueDisclosure_en-US">Deferred Compensation Fair Value Disclosure</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element117" xlink:to="label117" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationFairValueDisclosure" xlink:label="element118" />
    <label xlink:type="resource" xlink:label="label118" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_DeferredCompensationFairValueDisclosure_en-US">Deferred compensation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element118" xlink:to="label118" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationFairValueDisclosure" xlink:label="element119" />
    <label xlink:type="resource" xlink:label="label119" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DeferredCompensationFairValueDisclosure_en-US">This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents deferred compensation obligations meeting the definition of a liability which should be reported as of the balance sheet date.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element119" xlink:to="label119" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueAssetsMeasuredOnRecurringAndNonrecurringBasisDeferredCompensationInterestCalculationAbstract" xlink:label="element120" />
    <label xlink:type="resource" xlink:label="label120" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueAssetsMeasuredOnRecurringAndNonrecurringBasisDeferredCompensationInterestCalculationAbstract_en-US">Fair Value Assets Measured On Recurring And Nonrecurring Basis Deferred Compensation Interest Calculation [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element120" xlink:to="label120" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueAssetsMeasuredOnRecurringAndNonrecurringBasisDeferredCompensationInterestCalculationAbstract" xlink:label="element121" />
    <label xlink:type="resource" xlink:label="label121" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueAssetsMeasuredOnRecurringAndNonrecurringBasisDeferredCompensationInterestCalculationAbstract_en-US">Deferred compensation interest calculation [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element121" xlink:to="label121" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationInterestCalculationTreasuryBillsMaturity" xlink:label="element122" />
    <label xlink:type="resource" xlink:label="label122" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DeferredCompensationInterestCalculationTreasuryBillsMaturity_en-US">Deferred Compensation Interest Calculation Treasury Bills Maturity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element122" xlink:to="label122" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationInterestCalculationTreasuryBillsMaturity" xlink:label="element123" />
    <label xlink:type="resource" xlink:label="label123" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_DeferredCompensationInterestCalculationTreasuryBillsMaturity_en-US">U.S Treasury Bills maturity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element123" xlink:to="label123" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationInterestCalculationTreasuryBillsMaturity" xlink:label="element124" />
    <label xlink:type="resource" xlink:label="label124" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DeferredCompensationInterestCalculationTreasuryBillsMaturity_en-US">Treasury Bills maturity used in deferred compensation interest calculation (in weeks).</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element124" xlink:to="label124" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationInterestCalculationIncreaseCompoundedMonthly" xlink:label="element125" />
    <label xlink:type="resource" xlink:label="label125" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DeferredCompensationInterestCalculationIncreaseCompoundedMonthly_en-US">Deferred Compensation Interest Calculation Increase Compounded Monthly</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element125" xlink:to="label125" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationInterestCalculationIncreaseCompoundedMonthly" xlink:label="element126" />
    <label xlink:type="resource" xlink:label="label126" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_DeferredCompensationInterestCalculationIncreaseCompoundedMonthly_en-US">Increase compounded monthly</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element126" xlink:to="label126" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationInterestCalculationIncreaseCompoundedMonthly" xlink:label="element127" />
    <label xlink:type="resource" xlink:label="label127" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DeferredCompensationInterestCalculationIncreaseCompoundedMonthly_en-US">Percentage increase compounded monthly used in deferred compensation interest calculation.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element127" xlink:to="label127" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationInterestCalculationMinimumAnnualRate" xlink:label="element128" />
    <label xlink:type="resource" xlink:label="label128" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DeferredCompensationInterestCalculationMinimumAnnualRate_en-US">Deferred Compensation Interest Calculation Minimum Annual Rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element128" xlink:to="label128" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationInterestCalculationMinimumAnnualRate" xlink:label="element129" />
    <label xlink:type="resource" xlink:label="label129" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_DeferredCompensationInterestCalculationMinimumAnnualRate_en-US">Minimum annual rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element129" xlink:to="label129" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DeferredCompensationInterestCalculationMinimumAnnualRate" xlink:label="element130" />
    <label xlink:type="resource" xlink:label="label130" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DeferredCompensationInterestCalculationMinimumAnnualRate_en-US">Minimum annual rate used in deferred compensation interest calculation.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element130" xlink:to="label130" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeInstrumentsRealizedGainLossByIncomeStatementLocationAxis" xlink:label="element131" />
    <label xlink:type="resource" xlink:label="label131" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeInstrumentsRealizedGainLossByIncomeStatementLocationAxis_en-US">Derivative Instruments Realized Gain Loss By Income Statement Location [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element131" xlink:to="label131" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeInstrumentsRealizedGainLossByIncomeStatementLocationAxis" xlink:label="element132" />
    <label xlink:type="resource" xlink:label="label132" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DerivativeInstrumentsRealizedGainLossByIncomeStatementLocationAxis_en-US">Derivative instruments realized gain loss by income statement location axis.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element132" xlink:to="label132" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeInstrumentsIncomeStatementLocationDomain" xlink:label="element133" />
    <label xlink:type="resource" xlink:label="label133" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeInstrumentsIncomeStatementLocationDomain_en-US">Derivative Instruments Income Statement Location [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element133" xlink:to="label133" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeInstrumentsIncomeStatementLocationDomain" xlink:label="element134" />
    <label xlink:type="resource" xlink:label="label134" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DerivativeInstrumentsIncomeStatementLocationDomain_en-US">Derivative instruments income statement location domain.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element134" xlink:to="label134" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_RegulatedGasRevenuesMember" xlink:label="element135" />
    <label xlink:type="resource" xlink:label="label135" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_RegulatedGasRevenuesMember_en-US">Regulated Gas Revenues [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element135" xlink:to="label135" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_RegulatedGasRevenuesMember" xlink:label="element136" />
    <label xlink:type="resource" xlink:label="label136" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_RegulatedGasRevenuesMember_en-US">Regulated gas revenues.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element136" xlink:to="label136" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FuelForElectricGenerationPurchasedPowerMember" xlink:label="element137" />
    <label xlink:type="resource" xlink:label="label137" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FuelForElectricGenerationPurchasedPowerMember_en-US">Fuel For Electric Generation Purchased Power [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element137" xlink:to="label137" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FuelForElectricGenerationPurchasedPowerMember" xlink:label="element138" />
    <label xlink:type="resource" xlink:label="label138" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FuelForElectricGenerationPurchasedPowerMember_en-US">Fuel for electric generation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element138" xlink:to="label138" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CostOfGasSoldExpenseMember" xlink:label="element139" />
    <label xlink:type="resource" xlink:label="label139" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CostOfGasSoldExpenseMember_en-US">Cost Of Gas Sold Expense [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element139" xlink:to="label139" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CostOfGasSoldExpenseMember" xlink:label="element140" />
    <label xlink:type="resource" xlink:label="label140" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CostOfGasSoldExpenseMember_en-US">Cost of gas sold expense.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element140" xlink:to="label140" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeCollateralRequiredToPostAbstract" xlink:label="element141" />
    <label xlink:type="resource" xlink:label="label141" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeCollateralRequiredToPostAbstract_en-US">Derivative Collateral Required To Post [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element141" xlink:to="label141" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeCollateralRequiredToPostAbstract" xlink:label="element142" />
    <label xlink:type="resource" xlink:label="label142" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_DerivativeCollateralRequiredToPostAbstract_en-US">Derivative collateral required to be posted for ten-year PPA [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element142" xlink:to="label142" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CollateralRequiredToPostForPpaMinimum" xlink:label="element143" />
    <label xlink:type="resource" xlink:label="label143" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CollateralRequiredToPostForPpaMinimum_en-US">Collateral Required To Post For PPA Minimum</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element143" xlink:to="label143" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CollateralRequiredToPostForPpaMinimum" xlink:label="element144" />
    <label xlink:type="resource" xlink:label="label144" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_CollateralRequiredToPostForPpaMinimum_en-US">Minimum collateral required</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element144" xlink:to="label144" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CollateralRequiredToPostForPpaMinimum" xlink:label="element145" />
    <label xlink:type="resource" xlink:label="label145" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CollateralRequiredToPostForPpaMinimum_en-US">Minimum collateral required to be posted for ten-year PPA.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element145" xlink:to="label145" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CollateralRequiredToPostForPpaMaximum" xlink:label="element146" />
    <label xlink:type="resource" xlink:label="label146" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CollateralRequiredToPostForPpaMaximum_en-US">Collateral Required To Post For PPA Maximum</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element146" xlink:to="label146" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CollateralRequiredToPostForPpaMaximum" xlink:label="element147" />
    <label xlink:type="resource" xlink:label="label147" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_CollateralRequiredToPostForPpaMaximum_en-US">Maximum collateral required</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element147" xlink:to="label147" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CollateralRequiredToPostForPpaMaximum" xlink:label="element148" />
    <label xlink:type="resource" xlink:label="label148" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CollateralRequiredToPostForPpaMaximum_en-US">Maximum collateral required to be posted for ten-year PPA.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element148" xlink:to="label148" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CounterpartiesInNetLiabilityPositionAbstract" xlink:label="element149" />
    <label xlink:type="resource" xlink:label="label149" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CounterpartiesInNetLiabilityPositionAbstract_en-US">Counterparties In Net Liability Position [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element149" xlink:to="label149" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CounterpartiesInNetLiabilityPositionAbstract" xlink:label="element150" />
    <label xlink:type="resource" xlink:label="label150" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_CounterpartiesInNetLiabilityPositionAbstract_en-US">Counterparties in net liability position [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element150" xlink:to="label150" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CounterpartiesInNetLiabilityPosition" xlink:label="element151" />
    <label xlink:type="resource" xlink:label="label151" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CounterpartiesInNetLiabilityPosition_en-US">Counterparties In Net Liability Position</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element151" xlink:to="label151" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CounterpartiesInNetLiabilityPosition" xlink:label="element152" />
    <label xlink:type="resource" xlink:label="label152" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_CounterpartiesInNetLiabilityPosition_en-US">Counterparties in net liability position</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element152" xlink:to="label152" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CounterpartiesInNetLiabilityPosition" xlink:label="element153" />
    <label xlink:type="resource" xlink:label="label153" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CounterpartiesInNetLiabilityPosition_en-US">Counterparties in a net liability position.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element153" xlink:to="label153" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossAbstract" xlink:label="element154" />
    <label xlink:type="resource" xlink:label="label154" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossAbstract_en-US">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element154" xlink:to="label154" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossAbstract" xlink:label="element155" />
    <label xlink:type="resource" xlink:label="label155" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossAbstract_en-US">Realized and unrealized gains (losses):</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element155" xlink:to="label155" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsLiabilities" xlink:label="element156" />
    <label xlink:type="resource" xlink:label="label156" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsLiabilities_en-US">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Regulatory Assets Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element156" xlink:to="label156" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsLiabilities" xlink:label="element157" />
    <label xlink:type="resource" xlink:label="label157" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsLiabilities_en-US">This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in regulatory assets or liabilities.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element157" xlink:to="label157" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsLiabilities" xlink:label="element158" />
    <label xlink:type="resource" xlink:label="label158" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsLiabilities_en-US">Included in regulatory liabilities (assets)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element158" xlink:to="label158" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairvaluemeasurementwithunobservableinputsreconciliationRecurringBasisAssetGainLossIncludedInCurrentAssets" xlink:label="element159" />
    <label xlink:type="resource" xlink:label="label159" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairvaluemeasurementwithunobservableinputsreconciliationRecurringBasisAssetGainLossIncludedInCurrentAssets_en-US">FairValueMeasurementWithUnobservableInputsReconciliation Recurring Basis Asset Gain Loss Included In Current Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element159" xlink:to="label159" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairvaluemeasurementwithunobservableinputsreconciliationRecurringBasisAssetGainLossIncludedInCurrentAssets" xlink:label="element160" />
    <label xlink:type="resource" xlink:label="label160" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairvaluemeasurementwithunobservableinputsreconciliationRecurringBasisAssetGainLossIncludedInCurrentAssets_en-US">This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in current assets.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element160" xlink:to="label160" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairvaluemeasurementwithunobservableinputsreconciliationRecurringBasisAssetGainLossIncludedInCurrentAssets" xlink:label="element161" />
    <label xlink:type="resource" xlink:label="label161" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairvaluemeasurementwithunobservableinputsreconciliationRecurringBasisAssetGainLossIncludedInCurrentAssets_en-US">Included in current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element161" xlink:to="label161" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsLineItems" xlink:label="element162" />
    <label xlink:type="resource" xlink:label="label162" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsLineItems_en-US">Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Earnings [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element162" xlink:to="label162" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsLineItems" xlink:label="element163" />
    <label xlink:type="resource" xlink:label="label163" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsLineItems_en-US">Realized and unrealized gains (losses) included in income for level 3 instruments [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element163" xlink:to="label163" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsLineItems" xlink:label="element164" />
    <label xlink:type="resource" xlink:label="label164" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsLineItems_en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element164" xlink:to="label164" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueByIncomeStatementGroupingTable" xlink:label="element165" />
    <label xlink:type="resource" xlink:label="label165" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueByIncomeStatementGroupingTable_en-US">Fair Value By Income Statement Grouping [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element165" xlink:to="label165" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueByIncomeStatementGroupingTable" xlink:label="element166" />
    <label xlink:type="resource" xlink:label="label166" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueByIncomeStatementGroupingTable_en-US">Realized and unrealized gains (losses) included in income for Level 3 assets and liabilities measured at fair value on a recurring basis table.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element166" xlink:to="label166" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueByIncomeStatementGroupingDisclosureItemAmountsAxis" xlink:label="element167" />
    <label xlink:type="resource" xlink:label="label167" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueByIncomeStatementGroupingDisclosureItemAmountsAxis_en-US">Fair Value By Income Statement Grouping Disclosure Item Amounts [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element167" xlink:to="label167" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueByIncomeStatementGroupingDisclosureItemAmountsAxis" xlink:label="element168" />
    <label xlink:type="resource" xlink:label="label168" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueByIncomeStatementGroupingDisclosureItemAmountsAxis_en-US">Fair value by income statement grouping axis.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element168" xlink:to="label168" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInstrumentsIncomeStatementLocationDomain" xlink:label="element169" />
    <label xlink:type="resource" xlink:label="label169" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueInstrumentsIncomeStatementLocationDomain_en-US">Fair Value Instruments Income Statement Location [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element169" xlink:to="label169" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInstrumentsIncomeStatementLocationDomain" xlink:label="element170" />
    <label xlink:type="resource" xlink:label="label170" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueInstrumentsIncomeStatementLocationDomain_en-US">Fair value instruments income statement location domain.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element170" xlink:to="label170" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchasedPowerExpenseMember" xlink:label="element171" />
    <label xlink:type="resource" xlink:label="label171" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PurchasedPowerExpenseMember_en-US">Purchased Power Expense [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element171" xlink:to="label171" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchasedPowerExpenseMember" xlink:label="element172" />
    <label xlink:type="resource" xlink:label="label172" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PurchasedPowerExpenseMember_en-US">Purchased power expense member.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element172" xlink:to="label172" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityAndFinancingArrangementsDisclosureAbstract" xlink:label="element173" />
    <label xlink:type="resource" xlink:label="label173" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_EquityAndFinancingArrangementsDisclosureAbstract_en-US">Equity and Financing Arrangements Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element173" xlink:to="label173" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityAndFinancingArragementsTextBlock" xlink:label="element174" />
    <label xlink:type="resource" xlink:label="label174" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_EquityAndFinancingArragementsTextBlock_en-US">Equity and Financing Arragements [Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element174" xlink:to="label174" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityAndFinancingArragementsTextBlock" xlink:label="element175" />
    <label xlink:type="resource" xlink:label="label175" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_EquityAndFinancingArragementsTextBlock_en-US">Equity and Financing Arrangements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element175" xlink:to="label175" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityAndFinancingArragementsTextBlock" xlink:label="element176" />
    <label xlink:type="resource" xlink:label="label176" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_EquityAndFinancingArragementsTextBlock_en-US">The entire disclosure for equity and financing arrangements.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element176" xlink:to="label176" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NewAccountingPronouncementsDisclosureAbstract" xlink:label="element177" />
    <label xlink:type="resource" xlink:label="label177" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_NewAccountingPronouncementsDisclosureAbstract_en-US">New Accounting Pronouncements Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element177" xlink:to="label177" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_OtherCurrentAssetsMember" xlink:label="element178" />
    <label xlink:type="resource" xlink:label="label178" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_OtherCurrentAssetsMember_en-US">Other Current Assets [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element178" xlink:to="label178" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_OtherCurrentAssetsMember" xlink:label="element179" />
    <label xlink:type="resource" xlink:label="label179" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_OtherCurrentAssetsMember_en-US">Other current assets.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element179" xlink:to="label179" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NonOperatingExpenseTaxes" xlink:label="element180" />
    <label xlink:type="resource" xlink:label="label180" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_NonOperatingExpenseTaxes_en-US">Non Operating Expense Taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element180" xlink:to="label180" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NonOperatingExpenseTaxes" xlink:label="element181" />
    <label xlink:type="resource" xlink:label="label181" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_mgee_NonOperatingExpenseTaxes_en-US">Income tax provision</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element181" xlink:to="label181" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NonOperatingExpenseTaxes" xlink:label="element182" />
    <label xlink:type="resource" xlink:label="label182" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_NonOperatingExpenseTaxes_en-US">Discloses the amount of nonoperating expense for the period related to taxes other income.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element182" xlink:to="label182" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_IncomeBeforeInterestExpense" xlink:label="element183" />
    <label xlink:type="resource" xlink:label="label183" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_IncomeBeforeInterestExpense_en-US">Income before interest expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element183" xlink:to="label183" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_IncomeBeforeInterestExpense" xlink:label="element184" />
    <label xlink:type="resource" xlink:label="label184" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_mgee_IncomeBeforeInterestExpense_en-US">Income before interest expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element184" xlink:to="label184" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_IncomeBeforeInterestExpense" xlink:label="element185" />
    <label xlink:type="resource" xlink:label="label185" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_IncomeBeforeInterestExpense_en-US">The amount of profit or loss for the period before interest expense.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element185" xlink:to="label185" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_InterestIncomeExpenseOtherNet" xlink:label="element186" />
    <label xlink:type="resource" xlink:label="label186" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_InterestIncomeExpenseOtherNet_en-US">Interest Income Expense Other Net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element186" xlink:to="label186" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_InterestIncomeExpenseOtherNet" xlink:label="element187" />
    <label xlink:type="resource" xlink:label="label187" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_InterestIncomeExpenseOtherNet_en-US">Other interest, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element187" xlink:to="label187" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_InterestIncomeExpenseOtherNet" xlink:label="element188" />
    <label xlink:type="resource" xlink:label="label188" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_InterestIncomeExpenseOtherNet_en-US">Interest income or expense on all other items not previously classified.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element188" xlink:to="label188" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DistributionsToParentFromNoncontrollingInterest" xlink:label="element189" />
    <label xlink:type="resource" xlink:label="label189" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DistributionsToParentFromNoncontrollingInterest_en-US">Distributions to parent from noncontrolling interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element189" xlink:to="label189" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DistributionsToParentFromNoncontrollingInterest" xlink:label="element190" />
    <label xlink:type="resource" xlink:label="label190" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DistributionsToParentFromNoncontrollingInterest_en-US">The cash outflow for distributions to parent company from noncontrolling interest.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element190" xlink:to="label190" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DistributionsToParentFromNoncontrollingInterest" xlink:label="element191" />
    <label xlink:type="resource" xlink:label="label191" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_mgee_DistributionsToParentFromNoncontrollingInterest_en-US">Distributions to parent from noncontrolling interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element191" xlink:to="label191" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AffiliateFinancingOfElmRoad" xlink:label="element192" />
    <label xlink:type="resource" xlink:label="label192" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AffiliateFinancingOfElmRoad_en-US">Affiliate financing of Elm Road</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element192" xlink:to="label192" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AffiliateFinancingOfElmRoad" xlink:label="element193" />
    <label xlink:type="resource" xlink:label="label193" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AffiliateFinancingOfElmRoad_en-US">The cash inflow (outflow) related to affiliate financing of Elm Road.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element193" xlink:to="label193" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AffiliateFinancingOfElmRoad" xlink:label="element194" />
    <label xlink:type="resource" xlink:label="label194" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_mgee_AffiliateFinancingOfElmRoad_en-US">Affiliate financing of Elm Road</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element194" xlink:to="label194" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CommitmentsAndContingenciesTablesAbstract" xlink:label="element195" />
    <label xlink:type="resource" xlink:label="label195" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CommitmentsAndContingenciesTablesAbstract_en-US">Commitments and Contingencies (Tables) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element195" xlink:to="label195" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ChattelPaperPrincipalPaymentsCommitmentsTableTextBlock" xlink:label="element196" />
    <label xlink:type="resource" xlink:label="label196" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ChattelPaperPrincipalPaymentsCommitmentsTableTextBlock_en-US">Chattel Paper Principal Payments Commitments Table [Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element196" xlink:to="label196" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ChattelPaperPrincipalPaymentsCommitmentsTableTextBlock" xlink:label="element197" />
    <label xlink:type="resource" xlink:label="label197" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ChattelPaperPrincipalPaymentsCommitmentsTableTextBlock_en-US">Chattel Paper Principal Payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element197" xlink:to="label197" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ChattelPaperPrincipalPaymentsCommitmentsTableTextBlock" xlink:label="element198" />
    <label xlink:type="resource" xlink:label="label198" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ChattelPaperPrincipalPaymentsCommitmentsTableTextBlock_en-US">Tabular disclosure of short- and long-term commitments for principal payments related to the chattel paper agreement.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element198" xlink:to="label198" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountStationTablesAbstract" xlink:label="element199" />
    <label xlink:type="resource" xlink:label="label199" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_BlountStationTablesAbstract_en-US">Blount Station (Tables) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element199" xlink:to="label199" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_RestructuringReserveTableTextBlock" xlink:label="element200" />
    <label xlink:type="resource" xlink:label="label200" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_RestructuringReserveTableTextBlock_en-US">Restructuring Reserve Table [Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element200" xlink:to="label200" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_RestructuringReserveTableTextBlock" xlink:label="element201" />
    <label xlink:type="resource" xlink:label="label201" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_RestructuringReserveTableTextBlock_en-US">Restructuring Accrual</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element201" xlink:to="label201" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_RestructuringReserveTableTextBlock" xlink:label="element202" />
    <label xlink:type="resource" xlink:label="label202" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_RestructuringReserveTableTextBlock_en-US">Rollforward of restructuring accrual activity.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element202" xlink:to="label202" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShareBasedCompensationDetailsAbstract" xlink:label="element203" />
    <label xlink:type="resource" xlink:label="label203" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ShareBasedCompensationDetailsAbstract_en-US">Share Based Compensation Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element203" xlink:to="label203" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardCashPaymentPriorActivity" xlink:label="element204" />
    <label xlink:type="resource" xlink:label="label204" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardCashPaymentPriorActivity_en-US">Share Based Compensation Arrangement By Share Based Payment Award Cash Payment Prior Activity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element204" xlink:to="label204" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardCashPaymentPriorActivity" xlink:label="element205" />
    <label xlink:type="resource" xlink:label="label205" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardCashPaymentPriorActivity_en-US">Cash payments for prior activity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element205" xlink:to="label205" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardCashPaymentPriorActivity" xlink:label="element206" />
    <label xlink:type="resource" xlink:label="label206" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardCashPaymentPriorActivity_en-US">Share-based compensation payments made during the period pertaining to Performance Unit Plan activity in prior years.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element206" xlink:to="label206" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardVested" xlink:label="element207" />
    <label xlink:type="resource" xlink:label="label207" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardVested_en-US">Share Based Compensation Arrangement By Share Based Payment Award Vested</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element207" xlink:to="label207" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardVested" xlink:label="element208" />
    <label xlink:type="resource" xlink:label="label208" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardVested_en-US">Vested awards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element208" xlink:to="label208" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardVested" xlink:label="element209" />
    <label xlink:type="resource" xlink:label="label209" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardVested_en-US">Total amount of share-based awards that are vested.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element209" xlink:to="label209" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeitures" xlink:label="element210" />
    <label xlink:type="resource" xlink:label="label210" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeitures_en-US">Forfeitures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element210" xlink:to="label210" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeitures" xlink:label="element211" />
    <label xlink:type="resource" xlink:label="label211" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeitures_en-US">Share Based Compensation Arrangement By Share Based Payment Award Forfeitures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element211" xlink:to="label211" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeitures" xlink:label="element212" />
    <label xlink:type="resource" xlink:label="label212" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeitures_en-US">The value of share options (or share units) forfeited during the period.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element212" xlink:to="label212" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountStationDetailsAbstract" xlink:label="element213" />
    <label xlink:type="resource" xlink:label="label213" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_BlountStationDetailsAbstract_en-US">Blount Station Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element213" xlink:to="label213" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountCapacityMegawattsAbstract" xlink:label="element214" />
    <label xlink:type="resource" xlink:label="label214" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_BlountCapacityMegawattsAbstract_en-US">Blount Capacity Megawatts [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element214" xlink:to="label214" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountCapacityCurrentMegwatts" xlink:label="element215" />
    <label xlink:type="resource" xlink:label="label215" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_BlountCapacityCurrentMegwatts_en-US">Blount Capacity Current Megwatts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element215" xlink:to="label215" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountCapacityCurrentMegwatts" xlink:label="element216" />
    <label xlink:type="resource" xlink:label="label216" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_BlountCapacityCurrentMegwatts_en-US">Blount capacity current - MW</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element216" xlink:to="label216" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountCapacityCurrentMegwatts" xlink:label="element217" />
    <label xlink:type="resource" xlink:label="label217" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_BlountCapacityCurrentMegwatts_en-US">Current capacity at Blount before reduction in megawatts.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element217" xlink:to="label217" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountCapacityFutureMegawatts" xlink:label="element218" />
    <label xlink:type="resource" xlink:label="label218" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_BlountCapacityFutureMegawatts_en-US">Blount Capacity Future Megawatts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element218" xlink:to="label218" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountCapacityFutureMegawatts" xlink:label="element219" />
    <label xlink:type="resource" xlink:label="label219" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_BlountCapacityFutureMegawatts_en-US">Blount capacity future - MW</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element219" xlink:to="label219" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountCapacityFutureMegawatts" xlink:label="element220" />
    <label xlink:type="resource" xlink:label="label220" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_BlountCapacityFutureMegawatts_en-US">Future capacity at Blount after reduction in megawatts.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element220" xlink:to="label220" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountCapacityReductionMegawatts" xlink:label="element221" />
    <label xlink:type="resource" xlink:label="label221" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_BlountCapacityReductionMegawatts_en-US">Blount Capacity Reduction Megawatts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element221" xlink:to="label221" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountCapacityReductionMegawatts" xlink:label="element222" />
    <label xlink:type="resource" xlink:label="label222" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_BlountCapacityReductionMegawatts_en-US">Blount capacity reduction - MW</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element222" xlink:to="label222" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BlountCapacityReductionMegawatts" xlink:label="element223" />
    <label xlink:type="resource" xlink:label="label223" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_BlountCapacityReductionMegawatts_en-US">Capacity reduction at Blount in megawatts.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element223" xlink:to="label223" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AcceleratedDepreciationRecoveredAbstract" xlink:label="element224" />
    <label xlink:type="resource" xlink:label="label224" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AcceleratedDepreciationRecoveredAbstract_en-US">Accelerated Depreciation Recovered [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element224" xlink:to="label224" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AcceleratedDepreciationRecovered" xlink:label="element225" />
    <label xlink:type="resource" xlink:label="label225" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AcceleratedDepreciationRecovered_en-US">Accelerated Depreciation Recovered</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element225" xlink:to="label225" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AcceleratedDepreciationRecovered" xlink:label="element226" />
    <label xlink:type="resource" xlink:label="label226" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_AcceleratedDepreciationRecovered_en-US">Accelerated depreciation recovered</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element226" xlink:to="label226" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AcceleratedDepreciationRecovered" xlink:label="element227" />
    <label xlink:type="resource" xlink:label="label227" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AcceleratedDepreciationRecovered_en-US">The amount of accelerated deprecation expense recognized and recovered in rates each year due to the Blount exit plan, which resulted in accelerated depreciation for the Blount assets expected to be retired in 2011 and 2013.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element227" xlink:to="label227" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_RateMattersDetailsAbstract" xlink:label="element228" />
    <label xlink:type="resource" xlink:label="label228" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_RateMattersDetailsAbstract_en-US">Rate Matters Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element228" xlink:to="label228" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_RateProceedingsAbstract" xlink:label="element229" />
    <label xlink:type="resource" xlink:label="label229" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_RateProceedingsAbstract_en-US">Rate Proceedings [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element229" xlink:to="label229" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedPercentIncreaseDecreaseElectric" xlink:label="element230" />
    <label xlink:type="resource" xlink:label="label230" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AuthorizedPercentIncreaseDecreaseElectric_en-US">Authorized Percent Increase Decrease Electric</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element230" xlink:to="label230" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedPercentIncreaseDecreaseElectric" xlink:label="element231" />
    <label xlink:type="resource" xlink:label="label231" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_AuthorizedPercentIncreaseDecreaseElectric_en-US">Authorized percentage increase (decrease) for electric</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element231" xlink:to="label231" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedPercentIncreaseDecreaseElectric" xlink:label="element232" />
    <label xlink:type="resource" xlink:label="label232" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AuthorizedPercentIncreaseDecreaseElectric_en-US">Authorized percentage rate increase (decrease) for retail electric customers.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element232" xlink:to="label232" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedRateIncreaseDecreaseElectric" xlink:label="element233" />
    <label xlink:type="resource" xlink:label="label233" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AuthorizedRateIncreaseDecreaseElectric_en-US">Authorized rate increase decrease Electric</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element233" xlink:to="label233" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedRateIncreaseDecreaseElectric" xlink:label="element234" />
    <label xlink:type="resource" xlink:label="label234" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_AuthorizedRateIncreaseDecreaseElectric_en-US">Authorized rate increase (decrease) for electric</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element234" xlink:to="label234" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedRateIncreaseDecreaseElectric" xlink:label="element235" />
    <label xlink:type="resource" xlink:label="label235" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AuthorizedRateIncreaseDecreaseElectric_en-US">Authorized rate increase (decrease) for retail electric customers.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element235" xlink:to="label235" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedPercentIncreaseDecreaseGas" xlink:label="element236" />
    <label xlink:type="resource" xlink:label="label236" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AuthorizedPercentIncreaseDecreaseGas_en-US">Authorized Percent Increase Decrease Gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element236" xlink:to="label236" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedPercentIncreaseDecreaseGas" xlink:label="element237" />
    <label xlink:type="resource" xlink:label="label237" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_AuthorizedPercentIncreaseDecreaseGas_en-US">Authorized percentage increase (decrease) for gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element237" xlink:to="label237" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedPercentIncreaseDecreaseGas" xlink:label="element238" />
    <label xlink:type="resource" xlink:label="label238" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AuthorizedPercentIncreaseDecreaseGas_en-US">Authorized percentage rate increase (decrease) for retail gas customers.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element238" xlink:to="label238" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedRateIncreaseDecreaseGas" xlink:label="element239" />
    <label xlink:type="resource" xlink:label="label239" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AuthorizedRateIncreaseDecreaseGas_en-US">Authorized Rate Increase Decrease Gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element239" xlink:to="label239" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedRateIncreaseDecreaseGas" xlink:label="element240" />
    <label xlink:type="resource" xlink:label="label240" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_AuthorizedRateIncreaseDecreaseGas_en-US">Authorized rate increase (decrease) for gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element240" xlink:to="label240" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedRateIncreaseDecreaseGas" xlink:label="element241" />
    <label xlink:type="resource" xlink:label="label241" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AuthorizedRateIncreaseDecreaseGas_en-US">Authorized rate increase (decrease) for retail gas customers.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element241" xlink:to="label241" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FuelRulesBandwidth" xlink:label="element242" />
    <label xlink:type="resource" xlink:label="label242" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FuelRulesBandwidth_en-US">Fuel rules bandwidth</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element242" xlink:to="label242" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FuelRulesBandwidth" xlink:label="element243" />
    <label xlink:type="resource" xlink:label="label243" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FuelRulesBandwidth_en-US">Pursuant to the provisions of the rate order, the fuel rules bandwidth will be plus or minus this percentage.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element243" xlink:to="label243" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedReturnOnCommonStock" xlink:label="element244" />
    <label xlink:type="resource" xlink:label="label244" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AuthorizedReturnOnCommonStock_en-US">Authorized return on common stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element244" xlink:to="label244" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedReturnOnCommonStock" xlink:label="element245" />
    <label xlink:type="resource" xlink:label="label245" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AuthorizedReturnOnCommonStock_en-US">Authorized return on common stock equity.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element245" xlink:to="label245" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_UtilityCommonEquity" xlink:label="element246" />
    <label xlink:type="resource" xlink:label="label246" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_UtilityCommonEquity_en-US">Utility common equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element246" xlink:to="label246" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_UtilityCommonEquity" xlink:label="element247" />
    <label xlink:type="resource" xlink:label="label247" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_UtilityCommonEquity_en-US">Utility common equity.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element247" xlink:to="label247" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FuelRulesAbstract" xlink:label="element248" />
    <label xlink:type="resource" xlink:label="label248" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FuelRulesAbstract_en-US">Fuel Rules [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element248" xlink:to="label248" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ElectricFuelDeferredCostsUpperThreshold" xlink:label="element249" />
    <label xlink:type="resource" xlink:label="label249" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ElectricFuelDeferredCostsUpperThreshold_en-US">Electric fuel deferred costs upper threshold</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element249" xlink:to="label249" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ElectricFuelDeferredCostsUpperThreshold" xlink:label="element250" />
    <label xlink:type="resource" xlink:label="label250" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ElectricFuelDeferredCostsUpperThreshold_en-US">Under fuel rules, the amount in which MGE would defer if actual electric fuel costs exceeded allowed electric fuel costs in latest rate order.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element250" xlink:to="label250" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ElectricFuelDeferredCostsLowerThreshold" xlink:label="element251" />
    <label xlink:type="resource" xlink:label="label251" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ElectricFuelDeferredCostsLowerThreshold_en-US">Electric fuel deferred costs lower threshold</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element251" xlink:to="label251" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ElectricFuelDeferredCostsLowerThreshold" xlink:label="element252" />
    <label xlink:type="resource" xlink:label="label252" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ElectricFuelDeferredCostsLowerThreshold_en-US">Under fuel rules, the amount in which MGE is required to defer the benefit of lower costs if actual electric fuel costs were less than the allowed electric fuel costs in latest rate order.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element252" xlink:to="label252" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedElectricFuelCostsRefund" xlink:label="element253" />
    <label xlink:type="resource" xlink:label="label253" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AuthorizedElectricFuelCostsRefund_en-US">Authorized electric fuel costs refund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element253" xlink:to="label253" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AuthorizedElectricFuelCostsRefund" xlink:label="element254" />
    <label xlink:type="resource" xlink:label="label254" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AuthorizedElectricFuelCostsRefund_en-US">Authorized electric fuel costs refund as a result of rate order.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element254" xlink:to="label254" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchasedGasAdjustmentAbstract" xlink:label="element255" />
    <label xlink:type="resource" xlink:label="label255" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PurchasedGasAdjustmentAbstract_en-US">Purchased Gas Adjustment [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element255" xlink:to="label255" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchasedGasAdjustmentOverCollected" xlink:label="element256" />
    <label xlink:type="resource" xlink:label="label256" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PurchasedGasAdjustmentOverCollected_en-US">Purchased gas adjustment over collected</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element256" xlink:to="label256" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchasedGasAdjustmentOverCollected" xlink:label="element257" />
    <label xlink:type="resource" xlink:label="label257" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PurchasedGasAdjustmentOverCollected_en-US">Natural gas rates are subject to a fuel adjustment clause designed to recover or refund the difference between the actual cost of purchased gas and the amount included in rates. Differences between the amounts billed to customers and the actual costs recoverable are deferred and recovered or refunded in future periods by means of prospective monthly adjustments to rates.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element257" xlink:to="label257" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ElectricMember" xlink:label="element258" />
    <label xlink:type="resource" xlink:label="label258" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ElectricMember_en-US">Electric [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element258" xlink:to="label258" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ElectricMember" xlink:label="element259" />
    <label xlink:type="resource" xlink:label="label259" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ElectricMember_en-US">Electric member.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element259" xlink:to="label259" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GasMember" xlink:label="element260" />
    <label xlink:type="resource" xlink:label="label260" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_GasMember_en-US">Gas [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element260" xlink:to="label260" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_GasMember" xlink:label="element261" />
    <label xlink:type="resource" xlink:label="label261" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_GasMember_en-US">Gas member.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element261" xlink:to="label261" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NonRegulatedEnergyMember" xlink:label="element262" />
    <label xlink:type="resource" xlink:label="label262" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_NonRegulatedEnergyMember_en-US">Non Regulated Energy [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element262" xlink:to="label262" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NonRegulatedEnergyMember" xlink:label="element263" />
    <label xlink:type="resource" xlink:label="label263" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_NonRegulatedEnergyMember_en-US">Non-regulated energy member.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element263" xlink:to="label263" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_TransmissionInvestmentMember" xlink:label="element264" />
    <label xlink:type="resource" xlink:label="label264" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_TransmissionInvestmentMember_en-US">Transmission Investment [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element264" xlink:to="label264" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_TransmissionInvestmentMember" xlink:label="element265" />
    <label xlink:type="resource" xlink:label="label265" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_TransmissionInvestmentMember_en-US">Transmission investment member.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element265" xlink:to="label265" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AllOthersMember" xlink:label="element266" />
    <label xlink:type="resource" xlink:label="label266" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AllOthersMember_en-US">All Others [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element266" xlink:to="label266" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AllOthersMember" xlink:label="element267" />
    <label xlink:type="resource" xlink:label="label267" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AllOthersMember_en-US">All others member.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element267" xlink:to="label267" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_UtilitiesOperatingExpenseExcludingDepreciationAndAmortization" xlink:label="element268" />
    <label xlink:type="resource" xlink:label="label268" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_UtilitiesOperatingExpenseExcludingDepreciationAndAmortization_en-US">Utilities Operating Expense Excluding Depreciation And Amortization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element268" xlink:to="label268" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_UtilitiesOperatingExpenseExcludingDepreciationAndAmortization" xlink:label="element269" />
    <label xlink:type="resource" xlink:label="label269" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_UtilitiesOperatingExpenseExcludingDepreciationAndAmortization_en-US">Other operating expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element269" xlink:to="label269" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_UtilitiesOperatingExpenseExcludingDepreciationAndAmortization" xlink:label="element270" />
    <label xlink:type="resource" xlink:label="label270" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_mgee_UtilitiesOperatingExpenseExcludingDepreciationAndAmortization_en-US">Other operating expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element270" xlink:to="label270" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_TaxDetailsAbstract" xlink:label="element271" />
    <label xlink:type="resource" xlink:label="label271" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_TaxDetailsAbstract_en-US">Tax Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element271" xlink:to="label271" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRateAbstract" xlink:label="element272" />
    <label xlink:type="resource" xlink:label="label272" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRateAbstract_en-US">Unrecognized tax benefits that would impact effective tax rate [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element272" xlink:to="label272" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LiabilityForTaxUncertainty" xlink:label="element273" />
    <label xlink:type="resource" xlink:label="label273" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_LiabilityForTaxUncertainty_en-US">Liability for tax uncertainty</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element273" xlink:to="label273" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LiabilityForTaxUncertainty" xlink:label="element274" />
    <label xlink:type="resource" xlink:label="label274" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_LiabilityForTaxUncertainty_en-US">The liability for the tax uncertainty related to the change in tax method of accounting for gas repairs.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element274" xlink:to="label274" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationLineItems" xlink:label="element275" />
    <label xlink:type="resource" xlink:label="label275" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationLineItems_en-US">Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element275" xlink:to="label275" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationLineItems" xlink:label="element276" />
    <label xlink:type="resource" xlink:label="label276" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationLineItems_en-US">Effective income tax rate [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element276" xlink:to="label276" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationLineItems" xlink:label="element277" />
    <label xlink:type="resource" xlink:label="label277" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationLineItems_en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element277" xlink:to="label277" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ElmRoadDetailsAbstract" xlink:label="element278" />
    <label xlink:type="resource" xlink:label="label278" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ElmRoadDetailsAbstract_en-US">Elm Road Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element278" xlink:to="label278" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantMegawattCapacity" xlink:label="element279" />
    <label xlink:type="resource" xlink:label="label279" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_JointlyOwnedUtilityPlantMegawattCapacity_en-US">Jointly Owned Utility Plant Megawatt Capacity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element279" xlink:to="label279" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantMegawattCapacity" xlink:label="element280" />
    <label xlink:type="resource" xlink:label="label280" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_JointlyOwnedUtilityPlantMegawattCapacity_en-US">Plant capacity - MW</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element280" xlink:to="label280" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantMegawattCapacity" xlink:label="element281" />
    <label xlink:type="resource" xlink:label="label281" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_JointlyOwnedUtilityPlantMegawattCapacity_en-US">The total operating capacity (in MWs) of each of units in the jointly owned utility plant.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element281" xlink:to="label281" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCarryingCosts" xlink:label="element282" />
    <label xlink:type="resource" xlink:label="label282" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCarryingCosts_en-US">Public Utilities Allowance For Funds Used During Construction Total Carrying Costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element282" xlink:to="label282" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCarryingCosts" xlink:label="element283" />
    <label xlink:type="resource" xlink:label="label283" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCarryingCosts_en-US">Total carrying costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element283" xlink:to="label283" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCarryingCosts" xlink:label="element284" />
    <label xlink:type="resource" xlink:label="label284" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCarryingCosts_en-US">Total capitalized interest and capitalized cost of equity from the start of the project.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element284" xlink:to="label284" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedInterest" xlink:label="element285" />
    <label xlink:type="resource" xlink:label="label285" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedInterest_en-US">Public Utilities Allowance For Funds Used During Construction Total Capitalized Interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element285" xlink:to="label285" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedInterest" xlink:label="element286" />
    <label xlink:type="resource" xlink:label="label286" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedInterest_en-US">Total capitalized interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element286" xlink:to="label286" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedInterest" xlink:label="element287" />
    <label xlink:type="resource" xlink:label="label287" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedInterest_en-US">Total capitalized interest from the start of the project.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element287" xlink:to="label287" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedCostOfEquity" xlink:label="element288" />
    <label xlink:type="resource" xlink:label="label288" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedCostOfEquity_en-US">Public Utilities Allowance For Funds Used During Construction Total Capitalized Cost Of Equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element288" xlink:to="label288" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedCostOfEquity" xlink:label="element289" />
    <label xlink:type="resource" xlink:label="label289" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedCostOfEquity_en-US">Total capitalized cost of equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element289" xlink:to="label289" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedCostOfEquity" xlink:label="element290" />
    <label xlink:type="resource" xlink:label="label290" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalCapitalizedCostOfEquity_en-US">Total capitalized cost of equity from the start of the project.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element290" xlink:to="label290" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalAdditions" xlink:label="element291" />
    <label xlink:type="resource" xlink:label="label291" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalAdditions_en-US">Public Utilities Allowance For Funds Used During Construction Total Additions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element291" xlink:to="label291" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalAdditions" xlink:label="element292" />
    <label xlink:type="resource" xlink:label="label292" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalAdditions_en-US">Total carrying costs recoverable during the year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element292" xlink:to="label292" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalAdditions" xlink:label="element293" />
    <label xlink:type="resource" xlink:label="label293" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionTotalAdditions_en-US">Total increase in earnings allowed to be collected during the fiscal year representing the cost of equity (rate of return) and borrowed funds (interest rate) used to finance construction of regulated assets, which is expected to be recovered through rate adjustments.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element293" xlink:to="label293" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCapitalizedInterest" xlink:label="element294" />
    <label xlink:type="resource" xlink:label="label294" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCapitalizedInterest_en-US">Public Utilities Allowance For Funds Used During Construction Additions Capitalized Interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element294" xlink:to="label294" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCapitalizedInterest" xlink:label="element295" />
    <label xlink:type="resource" xlink:label="label295" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCapitalizedInterest_en-US">Capitalized interest collected in rates during the year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element295" xlink:to="label295" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCapitalizedInterest" xlink:label="element296" />
    <label xlink:type="resource" xlink:label="label296" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCapitalizedInterest_en-US">Increase in earnings in the period representing borrowed funds (interest rate) used to finance construction of regulated assets, which is expected to be recovered through rate adjustments.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element296" xlink:to="label296" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCostOfEquity" xlink:label="element297" />
    <label xlink:type="resource" xlink:label="label297" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCostOfEquity_en-US">Public Utilities Allowance For Funds Used During Construction Additions Cost Of Equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element297" xlink:to="label297" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCostOfEquity" xlink:label="element298" />
    <label xlink:type="resource" xlink:label="label298" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCostOfEquity_en-US">Capitalized cost of equity collected in rates during the year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element298" xlink:to="label298" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCostOfEquity" xlink:label="element299" />
    <label xlink:type="resource" xlink:label="label299" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsCostOfEquity_en-US">Increase in earnings in the period representing the cost of equity (rate of return) used to finance construction of regulated assets, which is expected to be recovered through rate adjustments.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element299" xlink:to="label299" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ElmRoadUnitsMember" xlink:label="element300" />
    <label xlink:type="resource" xlink:label="label300" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ElmRoadUnitsMember_en-US">Elm Road Units [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element300" xlink:to="label300" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ElmRoadUnitsMember" xlink:label="element301" />
    <label xlink:type="resource" xlink:label="label301" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ElmRoadUnitsMember_en-US">Elm Road, a coal-fired generating facility.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element301" xlink:to="label301" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CommitmentsAndContingenciesDetailsAbstract" xlink:label="element302" />
    <label xlink:type="resource" xlink:label="label302" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CommitmentsAndContingenciesDetailsAbstract_en-US">Commitments And Contingencies Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element302" xlink:to="label302" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LenzOilSiteAbstract" xlink:label="element303" />
    <label xlink:type="resource" xlink:label="label303" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_LenzOilSiteAbstract_en-US">Lenz Oil Site [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element303" xlink:to="label303" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LenzOilRemedyAmountTotal" xlink:label="element304" />
    <label xlink:type="resource" xlink:label="label304" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_LenzOilRemedyAmountTotal_en-US">Lenz Oil Remedy Amount Total</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element304" xlink:to="label304" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LenzOilRemedyAmountTotal" xlink:label="element305" />
    <label xlink:type="resource" xlink:label="label305" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_LenzOilRemedyAmountTotal_en-US">The total remedy amount which is based on a five year implementation plan.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element305" xlink:to="label305" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LenzOilRemedyAmountTotal" xlink:label="element306" />
    <label xlink:type="resource" xlink:label="label306" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_LenzOilRemedyAmountTotal_en-US">Total remedy amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element306" xlink:to="label306" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LenzOilRemedyAmountMge" xlink:label="element307" />
    <label xlink:type="resource" xlink:label="label307" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_LenzOilRemedyAmountMge_en-US">Lenz Oil Remedy Amount MGE</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element307" xlink:to="label307" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LenzOilRemedyAmountMge" xlink:label="element308" />
    <label xlink:type="resource" xlink:label="label308" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_LenzOilRemedyAmountMge_en-US">MGE's portion of remedy</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element308" xlink:to="label308" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LenzOilRemedyAmountMge" xlink:label="element309" />
    <label xlink:type="resource" xlink:label="label309" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_LenzOilRemedyAmountMge_en-US">MGE's share of the total remedy amount which is based on a five year implementation plan.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element309" xlink:to="label309" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantMegawattCapacityMge" xlink:label="element310" />
    <label xlink:type="resource" xlink:label="label310" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_JointlyOwnedUtilityPlantMegawattCapacityMge_en-US">Jointly Owned Utility Plant Megawatt Capacity Mge</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element310" xlink:to="label310" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantMegawattCapacityMge" xlink:label="element311" />
    <label xlink:type="resource" xlink:label="label311" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_JointlyOwnedUtilityPlantMegawattCapacityMge_en-US">Generating capability - MW</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element311" xlink:to="label311" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantMegawattCapacityMge" xlink:label="element312" />
    <label xlink:type="resource" xlink:label="label312" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_JointlyOwnedUtilityPlantMegawattCapacityMge_en-US">MGE's portion of the total operating capacity (in MWs) of each of the two units in the jointly owned utility plant.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element312" xlink:to="label312" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantFacilityShareOfMgeNetGeneratingCapability" xlink:label="element313" />
    <label xlink:type="resource" xlink:label="label313" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_JointlyOwnedUtilityPlantFacilityShareOfMgeNetGeneratingCapability_en-US">Jointly Owned Utility Plant Facility Share Of Mge Net Generating Capability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element313" xlink:to="label313" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantFacilityShareOfMgeNetGeneratingCapability" xlink:label="element314" />
    <label xlink:type="resource" xlink:label="label314" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_JointlyOwnedUtilityPlantFacilityShareOfMgeNetGeneratingCapability_en-US">Columbia's share of MGE's net generating capability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element314" xlink:to="label314" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantFacilityShareOfMgeNetGeneratingCapability" xlink:label="element315" />
    <label xlink:type="resource" xlink:label="label315" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_JointlyOwnedUtilityPlantFacilityShareOfMgeNetGeneratingCapability_en-US">A jointly owned utility plant's share of MGE's net generating capability.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element315" xlink:to="label315" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CarryingCostOnPreConstructionCost" xlink:label="element316" />
    <label xlink:type="resource" xlink:label="label316" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CarryingCostOnPreConstructionCost_en-US">Carrying Cost On Pre Construction Cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element316" xlink:to="label316" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CarryingCostOnPreConstructionCost" xlink:label="element317" />
    <label xlink:type="resource" xlink:label="label317" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_CarryingCostOnPreConstructionCost_en-US">Carrying cost on pre-construction costs - AFUDC rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element317" xlink:to="label317" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CarryingCostOnPreConstructionCost" xlink:label="element318" />
    <label xlink:type="resource" xlink:label="label318" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CarryingCostOnPreConstructionCost_en-US">Rate MGE is entitled to a carrying cost on the related construction costs of the Columbia expenditures related to the construction of air emission reduction systems and associated equipment on Columbia Units 1 and 2.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element318" xlink:to="label318" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpl" xlink:label="element319" />
    <label xlink:type="resource" xlink:label="label319" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpl_en-US">Jointly Owned Utility Plant Proportionate Ownership Share Wpl</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element319" xlink:to="label319" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpl" xlink:label="element320" />
    <label xlink:type="resource" xlink:label="label320" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpl_en-US">WPL's proportionate share of interest (percent) in Columbia, a jointly owned utility plant.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element320" xlink:to="label320" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpl" xlink:label="element321" />
    <label xlink:type="resource" xlink:label="label321" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpl_en-US">WPL ownership interest of Columbia</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element321" xlink:to="label321" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpsc" xlink:label="element322" />
    <label xlink:type="resource" xlink:label="label322" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpsc_en-US">Jointly Owned Utility Plant Proportionate Ownership Share Wpsc</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element322" xlink:to="label322" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpsc" xlink:label="element323" />
    <label xlink:type="resource" xlink:label="label323" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpsc_en-US">WPSC ownership interest of Columbia</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element323" xlink:to="label323" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpsc" xlink:label="element324" />
    <label xlink:type="resource" xlink:label="label324" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_JointlyOwnedUtilityPlantProportionateOwnershipShareWpsc_en-US">WPSC's proportionate share of interest (percent) in Columbia, a jointly owned utility plant.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element324" xlink:to="label324" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaCleanAirActLitigationAbstract" xlink:label="element325" />
    <label xlink:type="resource" xlink:label="label325" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ColumbiaCleanAirActLitigationAbstract_en-US">Columbia Clean Air Act Litigation [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element325" xlink:to="label325" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaCleanAirActLitigationCivilPenalties" xlink:label="element326" />
    <label xlink:type="resource" xlink:label="label326" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ColumbiaCleanAirActLitigationCivilPenalties_en-US">Columbia Clean Air Act litigation civil penalties</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element326" xlink:to="label326" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaCleanAirActLitigationCivilPenalties" xlink:label="element327" />
    <label xlink:type="resource" xlink:label="label327" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ColumbiaCleanAirActLitigationCivilPenalties_en-US">Amount MGE may be required to pay, per day, for each violation and/or complete actions for injunctive relief.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element327" xlink:to="label327" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ChattelPaperPurchaseAgreementAbstract" xlink:label="element328" />
    <label xlink:type="resource" xlink:label="label328" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ChattelPaperPurchaseAgreementAbstract_en-US">Chattel Paper Purchase Agreement [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element328" xlink:to="label328" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ChattelPaperPurchaseAgreementMaximumInterest" xlink:label="element329" />
    <label xlink:type="resource" xlink:label="label329" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ChattelPaperPurchaseAgreementMaximumInterest_en-US">Chattel paper purchase agreement maximum interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element329" xlink:to="label329" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ChattelPaperPurchaseAgreementMaximumInterest" xlink:label="element330" />
    <label xlink:type="resource" xlink:label="label330" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ChattelPaperPurchaseAgreementMaximumInterest_en-US">MGE is party to a chattel paper purchase agreement with a financial institution under which it can sell or finance an undivided interest with recourse, in up to $10.0 million of the financing program receivables, until August 31, 2011.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element330" xlink:to="label330" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_OutstandingInterestInChattelPaperReceivables" xlink:label="element331" />
    <label xlink:type="resource" xlink:label="label331" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_OutstandingInterestInChattelPaperReceivables_en-US">Outstanding interest in chattel paper receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element331" xlink:to="label331" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_OutstandingInterestInChattelPaperReceivables" xlink:label="element332" />
    <label xlink:type="resource" xlink:label="label332" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_OutstandingInterestInChattelPaperReceivables_en-US">Outstanding interest in chattel paper interest receivables.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element332" xlink:to="label332" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ChattelPaperAgreementPrincipalPaymentsAbstract" xlink:label="element333" />
    <label xlink:type="resource" xlink:label="label333" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ChattelPaperAgreementPrincipalPaymentsAbstract_en-US">Chattel Paper Agreement Principal Payments [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element333" xlink:to="label333" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ChattelPaperAgreementPrincipalPaymentsAbstract" xlink:label="element334" />
    <label xlink:type="resource" xlink:label="label334" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ChattelPaperAgreementPrincipalPaymentsAbstract_en-US">Chattel paper agreement principal payments commitment [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element334" xlink:to="label334" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ChattelPaperAgreementPrincipalPaymentsCommitments" xlink:label="element335" />
    <label xlink:type="resource" xlink:label="label335" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ChattelPaperAgreementPrincipalPaymentsCommitments_en-US">Chattel paper agreement principal payments commitments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element335" xlink:to="label335" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ChattelPaperAgreementPrincipalPaymentsCommitments" xlink:label="element336" />
    <label xlink:type="resource" xlink:label="label336" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ChattelPaperAgreementPrincipalPaymentsCommitments_en-US">Chattel paper agreement principal payments.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element336" xlink:to="label336" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NaturalGasCommitmentsAbstract" xlink:label="element337" />
    <label xlink:type="resource" xlink:label="label337" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_NaturalGasCommitmentsAbstract_en-US">Natural Gas Commitments [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element337" xlink:to="label337" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NaturalGasTransportationAndStorageCommitments" xlink:label="element338" />
    <label xlink:type="resource" xlink:label="label338" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_NaturalGasTransportationAndStorageCommitments_en-US">Natural gas transportation and storage commitments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element338" xlink:to="label338" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NaturalGasTransportationAndStorageCommitments" xlink:label="element339" />
    <label xlink:type="resource" xlink:label="label339" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_NaturalGasTransportationAndStorageCommitments_en-US">Natural gas transportation and storage commitments.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element339" xlink:to="label339" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_OperatingExpensePurchaseContractsCommitmentsAbstract" xlink:label="element340" />
    <label xlink:type="resource" xlink:label="label340" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_OperatingExpensePurchaseContractsCommitmentsAbstract_en-US">Operating Expense Purchase Contracts Commitments [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element340" xlink:to="label340" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_OperatingExpensePurchaseContractsCommitmentsAbstract" xlink:label="element341" />
    <label xlink:type="resource" xlink:label="label341" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_OperatingExpensePurchaseContractsCommitmentsAbstract_en-US">Operating expense purchase contracts [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element341" xlink:to="label341" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CoalCommitments" xlink:label="element342" />
    <label xlink:type="resource" xlink:label="label342" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CoalCommitments_en-US">Coal commitments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element342" xlink:to="label342" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CoalCommitments" xlink:label="element343" />
    <label xlink:type="resource" xlink:label="label343" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CoalCommitments_en-US">Coal commitments for the Columbia and Elm Road Units.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element343" xlink:to="label343" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SmartGridInvestmentGrantAbstract" xlink:label="element344" />
    <label xlink:type="resource" xlink:label="label344" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_SmartGridInvestmentGrantAbstract_en-US">Smart Grid Investment Grant [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element344" xlink:to="label344" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SmartGridGrantAmount" xlink:label="element345" />
    <label xlink:type="resource" xlink:label="label345" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_SmartGridGrantAmount_en-US">Smart Grid Grant Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element345" xlink:to="label345" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SmartGridGrantAmount" xlink:label="element346" />
    <label xlink:type="resource" xlink:label="label346" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_SmartGridGrantAmount_en-US">Smart Grid grant approval amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element346" xlink:to="label346" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SmartGridGrantAmount" xlink:label="element347" />
    <label xlink:type="resource" xlink:label="label347" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_SmartGridGrantAmount_en-US">MGE approved grant for smart grid projects by the U.S. Department of Energy (DOE) under the federal stimulus program.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element347" xlink:to="label347" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_TotalCostOfProposedProjects" xlink:label="element348" />
    <label xlink:type="resource" xlink:label="label348" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_TotalCostOfProposedProjects_en-US">Total Cost Of Proposed Projects</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element348" xlink:to="label348" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_TotalCostOfProposedProjects" xlink:label="element349" />
    <label xlink:type="resource" xlink:label="label349" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_TotalCostOfProposedProjects_en-US">Total cost of proposed projects</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element349" xlink:to="label349" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_TotalCostOfProposedProjects" xlink:label="element350" />
    <label xlink:type="resource" xlink:label="label350" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_TotalCostOfProposedProjects_en-US">Total cost of the proposed smart grid project including the grant approved by the U.S. Department of Energy (DOE) under the federal stimulus program.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element350" xlink:to="label350" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SmartGridExpenditures" xlink:label="element351" />
    <label xlink:type="resource" xlink:label="label351" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_SmartGridExpenditures_en-US">Smart Grid Expenditures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element351" xlink:to="label351" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SmartGridExpenditures" xlink:label="element352" />
    <label xlink:type="resource" xlink:label="label352" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_SmartGridExpenditures_en-US">Smart grid expenditures to date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element352" xlink:to="label352" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SmartGridExpenditures" xlink:label="element353" />
    <label xlink:type="resource" xlink:label="label353" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_SmartGridExpenditures_en-US">Expenditures incurred related to the smart grid projects.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element353" xlink:to="label353" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SmartGridCommitments" xlink:label="element354" />
    <label xlink:type="resource" xlink:label="label354" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_SmartGridCommitments_en-US">Smart Grid Commitments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element354" xlink:to="label354" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SmartGridCommitments" xlink:label="element355" />
    <label xlink:type="resource" xlink:label="label355" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_SmartGridCommitments_en-US">Smart grid commitments to date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element355" xlink:to="label355" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SmartGridCommitments" xlink:label="element356" />
    <label xlink:type="resource" xlink:label="label356" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_SmartGridCommitments_en-US">Smart grid commitments.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element356" xlink:to="label356" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ProposedPercentIncreaseDecreaseElectric" xlink:label="element357" />
    <label xlink:type="resource" xlink:label="label357" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ProposedPercentIncreaseDecreaseElectric_en-US">Proposed percent increase (decrease) electric</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element357" xlink:to="label357" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ProposedPercentIncreaseDecreaseElectric" xlink:label="element358" />
    <label xlink:type="resource" xlink:label="label358" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ProposedPercentIncreaseDecreaseElectric_en-US">Proposed percentage rate increase (decrease) for retail electric customers in the limited scope reopener 2012 rate case.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element358" xlink:to="label358" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ProposedPercentIncreaseDecreaseElectric" xlink:label="element359" />
    <label xlink:type="resource" xlink:label="label359" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ProposedPercentIncreaseDecreaseElectric_en-US">Proposed percent increase (decrease) for electric</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element359" xlink:to="label359" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ProposedPercentIncreaseDecreaseGas" xlink:label="element360" />
    <label xlink:type="resource" xlink:label="label360" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ProposedPercentIncreaseDecreaseGas_en-US">Proposed percent increase (decrease) gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element360" xlink:to="label360" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ProposedPercentIncreaseDecreaseGas" xlink:label="element361" />
    <label xlink:type="resource" xlink:label="label361" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ProposedPercentIncreaseDecreaseGas_en-US">Proposed percentage rate increase (decrease) for retail gas customers in the limited scope reopener 2012 rate case.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element361" xlink:to="label361" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ProposedPercentIncreaseDecreaseGas" xlink:label="element362" />
    <label xlink:type="resource" xlink:label="label362" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ProposedPercentIncreaseDecreaseGas_en-US">Proposed percent increase (decrease) for gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element362" xlink:to="label362" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CommitmentsAndContingenciesLineItems" xlink:label="element363" />
    <label xlink:type="resource" xlink:label="label363" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CommitmentsAndContingenciesLineItems_en-US">Commitments And Contingencies [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element363" xlink:to="label363" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" xlink:label="element364" />
    <label xlink:type="resource" xlink:label="label364" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_en-US">The entire disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element364" xlink:to="label364" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" xlink:label="element365" />
    <label xlink:type="resource" xlink:label="label365" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_en-US">New Accounting Pronouncements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element365" xlink:to="label365" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" xlink:label="element366" />
    <label xlink:type="resource" xlink:label="label366" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_en-US">New Accounting Pronouncements And Changes In Accounting Principles [Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element366" xlink:to="label366" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaUnitsMember" xlink:label="element367" />
    <label xlink:type="resource" xlink:label="label367" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ColumbiaUnitsMember_en-US">Columbia Units [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element367" xlink:to="label367" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaUnitsMember" xlink:label="element368" />
    <label xlink:type="resource" xlink:label="label368" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ColumbiaUnitsMember_en-US">Columbia units.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element368" xlink:to="label368" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MgePowerElmRoadMember" xlink:label="element369" />
    <label xlink:type="resource" xlink:label="label369" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_MgePowerElmRoadMember_en-US">MGE Power Elm Road [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element369" xlink:to="label369" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MgePowerElmRoadMember" xlink:label="element370" />
    <label xlink:type="resource" xlink:label="label370" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_MgePowerElmRoadMember_en-US">MGE Power Elm Road.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element370" xlink:to="label370" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_BasisOfPresentationDisclosureAbstract" xlink:label="element371" />
    <label xlink:type="resource" xlink:label="label371" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_BasisOfPresentationDisclosureAbstract_en-US">Basis of Presentation Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element371" xlink:to="label371" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_IncreasedElectricFuelCostsDeferred" xlink:label="element372" />
    <label xlink:type="resource" xlink:label="label372" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_IncreasedElectricFuelCostsDeferred_en-US">Increased electric fuel costs deferred</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element372" xlink:to="label372" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_IncreasedElectricFuelCostsDeferred" xlink:label="element373" />
    <label xlink:type="resource" xlink:label="label373" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_IncreasedElectricFuelCostsDeferred_en-US">The amount of electric fuel-related costs in which MGE has deferred outside the 102% or 98% range authorized by the PSCW in the most recent rate order.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element373" xlink:to="label373" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_IncreasedElectricFuelCostsDeferred" xlink:label="element374" />
    <label xlink:type="resource" xlink:label="label374" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_IncreasedElectricFuelCostsDeferred_en-US">Increased (decreased) electric fuel costs deferred</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element374" xlink:to="label374" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SubsequentEventsDetailsAbstract" xlink:label="element375" />
    <label xlink:type="resource" xlink:label="label375" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_SubsequentEventsDetailsAbstract_en-US">Subsequent Events Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element375" xlink:to="label375" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AtcCapitalContributionMember" xlink:label="element376" />
    <label xlink:type="resource" xlink:label="label376" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AtcCapitalContributionMember_en-US">ATC Capital Contribution [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element376" xlink:to="label376" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AtcCapitalContributionMember" xlink:label="element377" />
    <label xlink:type="resource" xlink:label="label377" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AtcCapitalContributionMember_en-US">Voluntary capital contribution to ATC.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element377" xlink:to="label377" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NaturalGasSupplyCommitments" xlink:label="element378" />
    <label xlink:type="resource" xlink:label="label378" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_NaturalGasSupplyCommitments_en-US">Natural gas supply commitments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element378" xlink:to="label378" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NaturalGasSupplyCommitments" xlink:label="element379" />
    <label xlink:type="resource" xlink:label="label379" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_NaturalGasSupplyCommitments_en-US">Natural gas supply commitments.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element379" xlink:to="label379" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WisconsinFuelRulesPolicy" xlink:label="element380" />
    <label xlink:type="resource" xlink:label="label380" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_WisconsinFuelRulesPolicy_en-US">Wisconsin Fuel Rules Policy</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element380" xlink:to="label380" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WisconsinFuelRulesPolicy" xlink:label="element381" />
    <label xlink:type="resource" xlink:label="label381" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_WisconsinFuelRulesPolicy_en-US">Wisconsin Fuel Rules</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element381" xlink:to="label381" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WisconsinFuelRulesPolicy" xlink:label="element382" />
    <label xlink:type="resource" xlink:label="label382" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_WisconsinFuelRulesPolicy_en-US">Disclosure of accounting policy for any over or under recovery of the electric fuel-related costs that fall outside a symmetrical cost tolerance band.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element382" xlink:to="label382" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_RestructuringAndRelatedCostsAbstract" xlink:label="element383" />
    <label xlink:type="resource" xlink:label="label383" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_RestructuringAndRelatedCostsAbstract_en-US">Restructuring and related costs [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element383" xlink:to="label383" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AirQualityRegulationsAbstract" xlink:label="element384" />
    <label xlink:type="resource" xlink:label="label384" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AirQualityRegulationsAbstract_en-US">Air Quality Regulations [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element384" xlink:to="label384" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MinimumCapacityForRegulationCsapr" xlink:label="element385" />
    <label xlink:type="resource" xlink:label="label385" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_MinimumCapacityForRegulationCsapr_en-US">Minimum Capacity For Regulation Csapr</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element385" xlink:to="label385" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MinimumCapacityForRegulationCsapr" xlink:label="element386" />
    <label xlink:type="resource" xlink:label="label386" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_MinimumCapacityForRegulationCsapr_en-US">Minimum capacity to be regulated by CSAPR/CAIR - MW</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element386" xlink:to="label386" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MinimumCapacityForRegulationCsapr" xlink:label="element387" />
    <label xlink:type="resource" xlink:label="label387" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_MinimumCapacityForRegulationCsapr_en-US">Electric generating units in Wisconsin that meet the minimum capacity (in MWs) are regulated by U.S Cross-State Air Pollution Rule (CSAPR) and Clean Air Interstate Rule (CAIR).</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element387" xlink:to="label387" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MinimumGhgEmissionsForRegulation" xlink:label="element388" />
    <label xlink:type="resource" xlink:label="label388" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_MinimumGhgEmissionsForRegulation_en-US">Minimum Ghg Emissions For Regulation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element388" xlink:to="label388" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MinimumGhgEmissionsForRegulation" xlink:label="element389" />
    <label xlink:type="resource" xlink:label="label389" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_MinimumGhgEmissionsForRegulation_en-US">Minimum GHG emmissions required to include GHGs as permitted air emmissions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element389" xlink:to="label389" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MinimumGhgEmissionsForRegulation" xlink:label="element390" />
    <label xlink:type="resource" xlink:label="label390" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_MinimumGhgEmissionsForRegulation_en-US">Under the Title V Greenhouse Gas "Tailoring Rule" of the Clean Air Act, facilities that meet the minimum amount of green house gases would need to obtain or modify their Title V air permits to include GHGs as permitted air emissions.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element390" xlink:to="label390" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LineOfCreditFacilityLiborBasedAdder" xlink:label="element391" />
    <label xlink:type="resource" xlink:label="label391" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_LineOfCreditFacilityLiborBasedAdder_en-US">Line Of Credit Facility Libor Based Adder</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element391" xlink:to="label391" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LineOfCreditFacilityLiborBasedAdder" xlink:label="element392" />
    <label xlink:type="resource" xlink:label="label392" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_LineOfCreditFacilityLiborBasedAdder_en-US">Borrowings under credit agreements may bear interest at a rate that floats daily based upon a LIBOR-based index. Depending on the current senior unsecured credit rating, an adder may be required.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element392" xlink:to="label392" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_LineOfCreditFacilityLiborBasedAdder" xlink:label="element393" />
    <label xlink:type="resource" xlink:label="label393" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_LineOfCreditFacilityLiborBasedAdder_en-US">LIBOR-based borrowings adder</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element393" xlink:to="label393" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossLineItems" xlink:label="element394" />
    <label xlink:type="resource" xlink:label="label394" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossLineItems_en-US">Equity Method Investment Summarized Financial Information Gross Profit Loss [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element394" xlink:to="label394" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossLineItems" xlink:label="element395" />
    <label xlink:type="resource" xlink:label="label395" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossLineItems_en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element395" xlink:to="label395" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossLineItems" xlink:label="element396" />
    <label xlink:type="resource" xlink:label="label396" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLossLineItems_en-US">Equity method investment summarized income statement [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element396" xlink:to="label396" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsAbstract" xlink:label="element397" />
    <label xlink:type="resource" xlink:label="label397" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_WindDevelopmentRightsAbstract_en-US">Wind Development Rights [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element397" xlink:to="label397" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsCapacity" xlink:label="element398" />
    <label xlink:type="resource" xlink:label="label398" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_WindDevelopmentRightsCapacity_en-US">Wind Development Rights Capacity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element398" xlink:to="label398" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsCapacity" xlink:label="element399" />
    <label xlink:type="resource" xlink:label="label399" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_WindDevelopmentRightsCapacity_en-US">Wind development rights capacity (in MWs)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element399" xlink:to="label399" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsCapacity" xlink:label="element400" />
    <label xlink:type="resource" xlink:label="label400" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_WindDevelopmentRightsCapacity_en-US">Potential capacity in megawatts of wind development rights in Iowa.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element400" xlink:to="label400" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsPaymentsToBeReturned" xlink:label="element401" />
    <label xlink:type="resource" xlink:label="label401" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_WindDevelopmentRightsPaymentsToBeReturned_en-US">Wind Development Rights Payments To Be Returned</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element401" xlink:to="label401" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsPaymentsToBeReturned" xlink:label="element402" />
    <label xlink:type="resource" xlink:label="label402" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_WindDevelopmentRightsPaymentsToBeReturned_en-US">Payments made on wind development rights that will be returned to MAGAEL, LLC.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element402" xlink:to="label402" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsPaymentsToBeReturned" xlink:label="element403" />
    <label xlink:type="resource" xlink:label="label403" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_WindDevelopmentRightsPaymentsToBeReturned_en-US">Wind development rights payments to be returned</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element403" xlink:to="label403" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsInterestOnUnpaidBalance" xlink:label="element404" />
    <label xlink:type="resource" xlink:label="label404" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_WindDevelopmentRightsInterestOnUnpaidBalance_en-US">Wind Development Rights Interest On Unpaid Balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element404" xlink:to="label404" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsInterestOnUnpaidBalance" xlink:label="element405" />
    <label xlink:type="resource" xlink:label="label405" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_WindDevelopmentRightsInterestOnUnpaidBalance_en-US">Wind development rights interest on unpaid balances</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element405" xlink:to="label405" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsInterestOnUnpaidBalance" xlink:label="element406" />
    <label xlink:type="resource" xlink:label="label406" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_WindDevelopmentRightsInterestOnUnpaidBalance_en-US">Interest charged on unpaid balances of the wind development rights payment.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element406" xlink:to="label406" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsUnpaidBalance" xlink:label="element407" />
    <label xlink:type="resource" xlink:label="label407" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_WindDevelopmentRightsUnpaidBalance_en-US">Wind Development Rights Unpaid Balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element407" xlink:to="label407" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsUnpaidBalance" xlink:label="element408" />
    <label xlink:type="resource" xlink:label="label408" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_WindDevelopmentRightsUnpaidBalance_en-US">Wind development rights unpaid balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element408" xlink:to="label408" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentRightsUnpaidBalance" xlink:label="element409" />
    <label xlink:type="resource" xlink:label="label409" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_WindDevelopmentRightsUnpaidBalance_en-US">Remaining unpaid balance on wind development rights payment.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element409" xlink:to="label409" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CsaprFuelCostIncrease" xlink:label="element410" />
    <label xlink:type="resource" xlink:label="label410" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CsaprFuelCostIncrease_en-US">Csapr Fuel Cost Increase</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element410" xlink:to="label410" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CsaprFuelCostIncrease" xlink:label="element411" />
    <label xlink:type="resource" xlink:label="label411" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CsaprFuelCostIncrease_en-US">MGE's estimated fuel costs increase to comply with CSAPR in 2012.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element411" xlink:to="label411" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CsaprFuelCostIncrease" xlink:label="element412" />
    <label xlink:type="resource" xlink:label="label412" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_CsaprFuelCostIncrease_en-US">CSAPR Fuel Cost Increase</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element412" xlink:to="label412" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchaseCommitmentsTableTextBlock" xlink:label="element413" />
    <label xlink:type="resource" xlink:label="label413" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PurchaseCommitmentsTableTextBlock_en-US">Purchase Commitments Table [Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element413" xlink:to="label413" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchaseCommitmentsTableTextBlock" xlink:label="element414" />
    <label xlink:type="resource" xlink:label="label414" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PurchaseCommitmentsTableTextBlock_en-US">Tabular disclosure of short- and long-term commitments for purchase contracts over the next five years.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element414" xlink:to="label414" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchaseCommitmentsTableTextBlock" xlink:label="element415" />
    <label xlink:type="resource" xlink:label="label415" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_PurchaseCommitmentsTableTextBlock_en-US">Purchase Contracts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element415" xlink:to="label415" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchaseContractsNet" xlink:label="element416" />
    <label xlink:type="resource" xlink:label="label416" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PurchaseContractsNet_en-US">Purchase Contracts Net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element416" xlink:to="label416" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchaseContractsNet" xlink:label="element417" />
    <label xlink:type="resource" xlink:label="label417" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_mgee_PurchaseContractsNet_en-US">Total purchase contracts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element417" xlink:to="label417" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchaseContractsNet" xlink:label="element418" />
    <label xlink:type="resource" xlink:label="label418" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PurchaseContractsNet_en-US">Total purchase contracts.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element418" xlink:to="label418" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentPaymentsExpectedToReceive" xlink:label="element419" />
    <label xlink:type="resource" xlink:label="label419" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_WindDevelopmentPaymentsExpectedToReceive_en-US">Wind Development Payments Expected To Receive</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element419" xlink:to="label419" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentPaymentsExpectedToReceive" xlink:label="element420" />
    <label xlink:type="resource" xlink:label="label420" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_WindDevelopmentPaymentsExpectedToReceive_en-US">Wind development payments expected to receive</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element420" xlink:to="label420" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_WindDevelopmentPaymentsExpectedToReceive" xlink:label="element421" />
    <label xlink:type="resource" xlink:label="label421" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_WindDevelopmentPaymentsExpectedToReceive_en-US">Payments expected to receive for the wind development rights.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element421" xlink:to="label421" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchasePowerCommitments" xlink:label="element422" />
    <label xlink:type="resource" xlink:label="label422" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_PurchasePowerCommitments_en-US">Purchase power commitments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element422" xlink:to="label422" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_PurchasePowerCommitments" xlink:label="element423" />
    <label xlink:type="resource" xlink:label="label423" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_PurchasePowerCommitments_en-US">Purchase power commitments.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element423" xlink:to="label423" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsAssetsQuantitativeInformationTableTextBlock" xlink:label="element424" />
    <label xlink:type="resource" xlink:label="label424" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueInputsAssetsQuantitativeInformationTableTextBlock_en-US">Fair Value Inputs Assets Quantitative Information [Table Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element424" xlink:to="label424" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsAssetsQuantitativeInformationTableTextBlock" xlink:label="element425" />
    <label xlink:type="resource" xlink:label="label425" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueInputsAssetsQuantitativeInformationTableTextBlock_en-US">Significant Unobservable Inputs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element425" xlink:to="label425" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsAssetsQuantitativeInformationTableTextBlock" xlink:label="element426" />
    <label xlink:type="resource" xlink:label="label426" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueInputsAssetsQuantitativeInformationTableTextBlock_en-US">Tabular disclosure of quantitative information about the inputs used in the fair value measurement of assets. This disclosure may include, but is not limited to, the fair value of the asset, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element426" xlink:to="label426" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsDiscountRate" xlink:label="element427" />
    <label xlink:type="resource" xlink:label="label427" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueInputsDiscountRate_en-US">Fair Value Inputs Discount Rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element427" xlink:to="label427" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsDiscountRate" xlink:label="element428" />
    <label xlink:type="resource" xlink:label="label428" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueInputsDiscountRate_en-US">Discount rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element428" xlink:to="label428" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsDiscountRate" xlink:label="element429" />
    <label xlink:type="resource" xlink:label="label429" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueInputsDiscountRate_en-US">Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element429" xlink:to="label429" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsCounterpartyFuelMixAbstract" xlink:label="element430" />
    <label xlink:type="resource" xlink:label="label430" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueInputsCounterpartyFuelMixAbstract_en-US">Fair Value Inputs Counterparty Fuel Mix [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element430" xlink:to="label430" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsCounterpartyFuelMixAbstract" xlink:label="element431" />
    <label xlink:type="resource" xlink:label="label431" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueInputsCounterpartyFuelMixAbstract_en-US">Counterparty fuel mix [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element431" xlink:to="label431" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsCounterpartyFuelMixInternalGeneration" xlink:label="element432" />
    <label xlink:type="resource" xlink:label="label432" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueInputsCounterpartyFuelMixInternalGeneration_en-US">Fair Value Inputs Counterparty Fuel Mix Internal Generation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element432" xlink:to="label432" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsCounterpartyFuelMixInternalGeneration" xlink:label="element433" />
    <label xlink:type="resource" xlink:label="label433" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueInputsCounterpartyFuelMixInternalGeneration_en-US">Internal generation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element433" xlink:to="label433" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsCounterpartyFuelMixInternalGeneration" xlink:label="element434" />
    <label xlink:type="resource" xlink:label="label434" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueInputsCounterpartyFuelMixInternalGeneration_en-US">Estimate of counterparty's internal generation as a portion of their fuel mix, used as an input to measure fair value.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element434" xlink:to="label434" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsCounterpartyFuelMixPurchasedPower" xlink:label="element435" />
    <label xlink:type="resource" xlink:label="label435" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueInputsCounterpartyFuelMixPurchasedPower_en-US">Fair Value Inputs Counterparty Fuel Mix Purchased Power</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element435" xlink:to="label435" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsCounterpartyFuelMixPurchasedPower" xlink:label="element436" />
    <label xlink:type="resource" xlink:label="label436" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueInputsCounterpartyFuelMixPurchasedPower_en-US">Purchased power</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element436" xlink:to="label436" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsCounterpartyFuelMixPurchasedPower" xlink:label="element437" />
    <label xlink:type="resource" xlink:label="label437" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueInputsCounterpartyFuelMixPurchasedPower_en-US">Estimate of counterparty's purchased power as a portion of their fuel mix, used as an input to measure fair value.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element437" xlink:to="label437" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="element438" />
    <label xlink:type="resource" xlink:label="label438" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_NewAccountingPronouncementsPolicyPolicyTextBlock_en-US">New Accounting Pronouncements Policy Policy [Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element438" xlink:to="label438" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="element439" />
    <label xlink:type="resource" xlink:label="label439" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_NewAccountingPronouncementsPolicyPolicyTextBlock_en-US">Disclosure of the adoption of new accounting pronouncements that may impact the entity's financial reporting.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element439" xlink:to="label439" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="element440" />
    <label xlink:type="resource" xlink:label="label440" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_NewAccountingPronouncementsPolicyPolicyTextBlock_en-US">New Accounting Pronouncements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element440" xlink:to="label440" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_InvestmentCapitalContributionCommitmentAbstract" xlink:label="element441" />
    <label xlink:type="resource" xlink:label="label441" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_InvestmentCapitalContributionCommitmentAbstract_en-US">Investment Capital Contribution Commitment [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element441" xlink:to="label441" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CapitalContributionCommitment" xlink:label="element442" />
    <label xlink:type="resource" xlink:label="label442" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CapitalContributionCommitment_en-US">Capital contribution commitment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element442" xlink:to="label442" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CapitalContributionCommitment" xlink:label="element443" />
    <label xlink:type="resource" xlink:label="label443" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CapitalContributionCommitment_en-US">Commitments for capital contributions required from investors by a nonpublic venture fund.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element443" xlink:to="label443" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CairPhaseOneEmissionReductionsForNox" xlink:label="element444" />
    <label xlink:type="resource" xlink:label="label444" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CairPhaseOneEmissionReductionsForNox_en-US">CAIR phase one emission reductions for NOx</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element444" xlink:to="label444" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CairPhaseOneEmissionReductionsForNox" xlink:label="element445" />
    <label xlink:type="resource" xlink:label="label445" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CairPhaseOneEmissionReductionsForNox_en-US">The reduction of annual regional emission for NOx required under the first phase of the Clean Air Interstate Rule (CAIR).</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element445" xlink:to="label445" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CairPhaseOneEmissionReductionsForSo2" xlink:label="element446" />
    <label xlink:type="resource" xlink:label="label446" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CairPhaseOneEmissionReductionsForSo2_en-US">CAIR phase one emission reductions for SO2</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element446" xlink:to="label446" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CairPhaseOneEmissionReductionsForSo2" xlink:label="element447" />
    <label xlink:type="resource" xlink:label="label447" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CairPhaseOneEmissionReductionsForSo2_en-US">The reduction of annual regional emission for SO2 required under the first phase of the Clean Air Interstate Rule (CAIR).</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element447" xlink:to="label447" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CairPhaseTwoEmissionReductionsForNox" xlink:label="element448" />
    <label xlink:type="resource" xlink:label="label448" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CairPhaseTwoEmissionReductionsForNox_en-US">CAIR phase two emission reductions for NOx</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element448" xlink:to="label448" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CairPhaseTwoEmissionReductionsForNox" xlink:label="element449" />
    <label xlink:type="resource" xlink:label="label449" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CairPhaseTwoEmissionReductionsForNox_en-US">The reduction of annual regional emission for NOx required under the second phase (beginning in 2015) of the Clean Air Interstate Rule (CAIR).</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element449" xlink:to="label449" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CairPhaseTwoEmissionReductionsForSo2" xlink:label="element450" />
    <label xlink:type="resource" xlink:label="label450" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CairPhaseTwoEmissionReductionsForSo2_en-US">CAIR phase two emission reductions for SO2</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element450" xlink:to="label450" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CairPhaseTwoEmissionReductionsForSo2" xlink:label="element451" />
    <label xlink:type="resource" xlink:label="label451" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CairPhaseTwoEmissionReductionsForSo2_en-US">The reduction of annual regional emission for SO2 required under the second phase (beginning in 2015) of the Clean Air Interstate Rule (CAIR).</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element451" xlink:to="label451" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CoalFiredElectricGeneratingUnitsMwRequirement" xlink:label="element452" />
    <label xlink:type="resource" xlink:label="label452" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CoalFiredElectricGeneratingUnitsMwRequirement_en-US">Coal Fired Electric Generating Units Mw Requirement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element452" xlink:to="label452" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CoalFiredElectricGeneratingUnitsMwRequirement" xlink:label="element453" />
    <label xlink:type="resource" xlink:label="label453" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_CoalFiredElectricGeneratingUnitsMwRequirement_en-US">A large coal-fired electric generating Unit is one that produces at least this amount of MW.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element453" xlink:to="label453" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CoalFiredElectricGeneratingUnitsMwRequirement" xlink:label="element454" />
    <label xlink:type="resource" xlink:label="label454" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_CoalFiredElectricGeneratingUnitsMwRequirement_en-US">Coal-fired electric generating units - MW requirement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element454" xlink:to="label454" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MinimumAmountFleetWideMercuryReductionInWisconsinPhaseTwo" xlink:label="element455" />
    <label xlink:type="resource" xlink:label="label455" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_MinimumAmountFleetWideMercuryReductionInWisconsinPhaseTwo_en-US">Minimum Amount Fleet Wide Mercury Reduction In Wisconsin Phase Two</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element455" xlink:to="label455" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MinimumAmountFleetWideMercuryReductionInWisconsinPhaseTwo" xlink:label="element456" />
    <label xlink:type="resource" xlink:label="label456" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_MinimumAmountFleetWideMercuryReductionInWisconsinPhaseTwo_en-US">Under phase two of the Wisconsin State Mercury Rule, beginning January 2015, large coal-fired electric generating units had to reduce mercury emissions by this minimum percent or choose a multi-pollutation reduction approach.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element456" xlink:to="label456" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_MinimumAmountFleetWideMercuryReductionInWisconsinPhaseTwo" xlink:label="element457" />
    <label xlink:type="resource" xlink:label="label457" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_MinimumAmountFleetWideMercuryReductionInWisconsinPhaseTwo_en-US">Minimum amount of fleet-wide mercury reduction in Wisconsin - Phase two</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element457" xlink:to="label457" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaCommitmentsAbstract" xlink:label="element458" />
    <label xlink:type="resource" xlink:label="label458" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ColumbiaCommitmentsAbstract_en-US">Columbia Commitments [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element458" xlink:to="label458" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaEnvironmentalProjectCommitments" xlink:label="element459" />
    <label xlink:type="resource" xlink:label="label459" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ColumbiaEnvironmentalProjectCommitments_en-US">Columbia environmental project commitments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element459" xlink:to="label459" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaEnvironmentalProjectCommitments" xlink:label="element460" />
    <label xlink:type="resource" xlink:label="label460" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ColumbiaEnvironmentalProjectCommitments_en-US">Committed Columbia environmental project commitments.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element460" xlink:to="label460" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaEnvironmentalProjectConstructionDisclosureAbstract" xlink:label="element461" />
    <label xlink:type="resource" xlink:label="label461" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ColumbiaEnvironmentalProjectConstructionDisclosureAbstract_en-US">Columbia Environmental Project Construction Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element461" xlink:to="label461" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaEnvironmentalProjectConstructionTextBlock" xlink:label="element462" />
    <label xlink:type="resource" xlink:label="label462" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ColumbiaEnvironmentalProjectConstructionTextBlock_en-US">Columbia Environmental Project Construction [Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element462" xlink:to="label462" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaEnvironmentalProjectConstructionTextBlock" xlink:label="element463" />
    <label xlink:type="resource" xlink:label="label463" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ColumbiaEnvironmentalProjectConstructionTextBlock_en-US">Columbia environmental project construction disclosures.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element463" xlink:to="label463" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaEnvironmentalProjectConstructionTextBlock" xlink:label="element464" />
    <label xlink:type="resource" xlink:label="label464" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ColumbiaEnvironmentalProjectConstructionTextBlock_en-US">Columbia Environmental Project Construction</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element464" xlink:to="label464" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaEnvironmentalProjectConstructionDetailsAbstract" xlink:label="element465" />
    <label xlink:type="resource" xlink:label="label465" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ColumbiaEnvironmentalProjectConstructionDetailsAbstract_en-US">Columbia Environmental Project Construction Details [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element465" xlink:to="label465" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExpectedCapitalExpendituresTable" xlink:label="element466" />
    <label xlink:type="resource" xlink:label="label466" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ExpectedCapitalExpendituresTable_en-US">Expected Capital Expenditures [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element466" xlink:to="label466" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExpectedCapitalExpendituresTable" xlink:label="element467" />
    <label xlink:type="resource" xlink:label="label467" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ExpectedCapitalExpendituresTable_en-US">Schedule setting forth key provisions of an arrangement under which the entity expects to construct assets over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element467" xlink:to="label467" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ConstructionProjectAxis" xlink:label="element468" />
    <label xlink:type="resource" xlink:label="label468" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ConstructionProjectAxis_en-US">Construction Project [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element468" xlink:to="label468" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ConstructionProjectAxis" xlink:label="element469" />
    <label xlink:type="resource" xlink:label="label469" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ConstructionProjectAxis_en-US">Identifies type of construction project.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element469" xlink:to="label469" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ConstructionProjectDomain" xlink:label="element470" />
    <label xlink:type="resource" xlink:label="label470" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ConstructionProjectDomain_en-US">Construction Project [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element470" xlink:to="label470" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ConstructionProjectDomain" xlink:label="element471" />
    <label xlink:type="resource" xlink:label="label471" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ConstructionProjectDomain_en-US">Type of construction project.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element471" xlink:to="label471" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaEnvironmentalProjectMember" xlink:label="element472" />
    <label xlink:type="resource" xlink:label="label472" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ColumbiaEnvironmentalProjectMember_en-US">Columbia Environmental Project [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element472" xlink:to="label472" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaEnvironmentalProjectMember" xlink:label="element473" />
    <label xlink:type="resource" xlink:label="label473" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ColumbiaEnvironmentalProjectMember_en-US">Columbia, a coal-fired generating facility, environmental project.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element473" xlink:to="label473" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExpectedCapitalExpendituresByNatureAxis" xlink:label="element474" />
    <label xlink:type="resource" xlink:label="label474" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ExpectedCapitalExpendituresByNatureAxis_en-US">Expected Capital Expenditures By Nature [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element474" xlink:to="label474" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExpectedCapitalExpendituresByNatureAxis" xlink:label="element475" />
    <label xlink:type="resource" xlink:label="label475" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ExpectedCapitalExpendituresByNatureAxis_en-US">Key provisions of an arrangement under which the entity expects to construct assets over a period of time greater than one year or the normal operating cycle, if longer, by category of item purchased.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element475" xlink:to="label475" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExpectedCapitalExpendituresDomain" xlink:label="element476" />
    <label xlink:type="resource" xlink:label="label476" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ExpectedCapitalExpendituresDomain_en-US">Expected Capital Expenditures [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element476" xlink:to="label476" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExpectedCapitalExpendituresDomain" xlink:label="element477" />
    <label xlink:type="resource" xlink:label="label477" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ExpectedCapitalExpendituresDomain_en-US">General description of the expected capital expenditures to be incurred during construction of an asset.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element477" xlink:to="label477" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExpectedCapitalExpendituresLineItems" xlink:label="element478" />
    <label xlink:type="resource" xlink:label="label478" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ExpectedCapitalExpendituresLineItems_en-US">Expected Capital Expenditures [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element478" xlink:to="label478" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExpectedCapitalExpendituresLineItems" xlink:label="element479" />
    <label xlink:type="resource" xlink:label="label479" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ExpectedCapitalExpendituresLineItems_en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element479" xlink:to="label479" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExpectedCapitalExpenditures" xlink:label="element480" />
    <label xlink:type="resource" xlink:label="label480" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ExpectedCapitalExpenditures_en-US">Expected capital expenditures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element480" xlink:to="label480" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExpectedCapitalExpenditures" xlink:label="element481" />
    <label xlink:type="resource" xlink:label="label481" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ExpectedCapitalExpenditures_en-US">Expected capital expenditures to be incurred during construction of an asset.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element481" xlink:to="label481" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExpectedCapitalExpenditures" xlink:label="element482" />
    <label xlink:type="resource" xlink:label="label482" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ExpectedCapitalExpenditures_en-US">MGE's share of expected capital expenditures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element482" xlink:to="label482" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ConstructionInProgressGrossLessAccrued" xlink:label="element483" />
    <label xlink:type="resource" xlink:label="label483" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ConstructionInProgressGrossLessAccrued_en-US">Construction in progress gross less accrued</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element483" xlink:to="label483" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ConstructionInProgressGrossLessAccrued" xlink:label="element484" />
    <label xlink:type="resource" xlink:label="label484" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ConstructionInProgressGrossLessAccrued_en-US">Gross amount (excluding accrued costs), at the balance sheet date, of long-lived assets under construction that include construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element484" xlink:to="label484" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ConstructionInProgressGrossLessAccrued" xlink:label="element485" />
    <label xlink:type="resource" xlink:label="label485" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ConstructionInProgressGrossLessAccrued_en-US">Incurred costs to date (excluding accrued costs)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element485" xlink:to="label485" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_SegmentReportingAssetsAndCapitalExpendituresAbstract" xlink:label="element486" />
    <label xlink:type="resource" xlink:label="label486" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_SegmentReportingAssetsAndCapitalExpendituresAbstract_en-US">Segment Reporting Assets And Capital Expenditures [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element486" xlink:to="label486" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AssetsNotAllocatedMember" xlink:label="element487" />
    <label xlink:type="resource" xlink:label="label487" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_AssetsNotAllocatedMember_en-US">Assets Not Allocated [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element487" xlink:to="label487" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_AssetsNotAllocatedMember" xlink:label="element488" />
    <label xlink:type="resource" xlink:label="label488" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_AssetsNotAllocatedMember_en-US">Assets not allocated member.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element488" xlink:to="label488" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DebtConversionMember" xlink:label="element489" />
    <label xlink:type="resource" xlink:label="label489" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DebtConversionMember_en-US">Debt Conversion [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element489" xlink:to="label489" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CapitalContributionAbstract" xlink:label="element490" />
    <label xlink:type="resource" xlink:label="label490" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_CapitalContributionAbstract_en-US">Capital contribution [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element490" xlink:to="label490" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_CapitalContributionAbstract" xlink:label="element491" />
    <label xlink:type="resource" xlink:label="label491" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_CapitalContributionAbstract_en-US">ATC capital contribution [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element491" xlink:to="label491" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExtinguishmentOfDebtAtPrincipalPercent" xlink:label="element492" />
    <label xlink:type="resource" xlink:label="label492" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ExtinguishmentOfDebtAtPrincipalPercent_en-US">Extinguishment at percent of principal</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element492" xlink:to="label492" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExtinguishmentOfDebtAtPrincipalPercent" xlink:label="element493" />
    <label xlink:type="resource" xlink:label="label493" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ExtinguishmentOfDebtAtPrincipalPercent_en-US">Percentage of principal at which debt was extinguished.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element493" xlink:to="label493" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ExtinguishmentOfDebtAtPrincipalPercent" xlink:label="element494" />
    <label xlink:type="resource" xlink:label="label494" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ExtinguishmentOfDebtAtPrincipalPercent_en-US">Extinguishment of debt at principal percent</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element494" xlink:to="label494" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DebtConversionAbstract" xlink:label="element495" />
    <label xlink:type="resource" xlink:label="label495" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DebtConversionAbstract_en-US">Debt Conversion [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element495" xlink:to="label495" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DebtConversionAbstract" xlink:label="element496" />
    <label xlink:type="resource" xlink:label="label496" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_DebtConversionAbstract_en-US">Remarketing of debt [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element496" xlink:to="label496" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_TaxExemptDebt" xlink:label="element497" />
    <label xlink:type="resource" xlink:label="label497" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_TaxExemptDebt_en-US">Tax exempt debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element497" xlink:to="label497" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_TaxExemptDebt" xlink:label="element498" />
    <label xlink:type="resource" xlink:label="label498" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_TaxExemptDebt_en-US">Tax exempt Industrial Development Revenue Bonds.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element498" xlink:to="label498" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsAssetsQuantitativeInformationTable" xlink:label="element499" />
    <label xlink:type="resource" xlink:label="label499" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueInputsAssetsQuantitativeInformationTable_en-US">Fair Value Inputs Assets Quantitative Information [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element499" xlink:to="label499" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsAssetsQuantitativeInformationTable" xlink:label="element500" />
    <label xlink:type="resource" xlink:label="label500" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueInputsAssetsQuantitativeInformationTable_en-US">Schedule of the inputs used in the fair value measurement of assets. This disclosure may include, but is not limited to, the fair value of the asset, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element500" xlink:to="label500" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsAssetsQuantitativeInformationLineItems" xlink:label="element501" />
    <label xlink:type="resource" xlink:label="label501" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueInputsAssetsQuantitativeInformationLineItems_en-US">Fair Value Inputs Assets Quantitative Information [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element501" xlink:to="label501" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsAssetsQuantitativeInformationLineItems" xlink:label="element502" />
    <label xlink:type="resource" xlink:label="label502" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueInputsAssetsQuantitativeInformationLineItems_en-US">Significant unobservable inputs [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element502" xlink:to="label502" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsAssetsQuantitativeInformationLineItems" xlink:label="element503" />
    <label xlink:type="resource" xlink:label="label503" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueInputsAssetsQuantitativeInformationLineItems_en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element503" xlink:to="label503" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsDeliveryPointsBasisAdjustmentOnPeak" xlink:label="element504" />
    <label xlink:type="resource" xlink:label="label504" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueInputsDeliveryPointsBasisAdjustmentOnPeak_en-US">Fair Value Inputs Delivery Points Basis Adjustment On Peak</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element504" xlink:to="label504" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsDeliveryPointsBasisAdjustmentOnPeak" xlink:label="element505" />
    <label xlink:type="resource" xlink:label="label505" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueInputsDeliveryPointsBasisAdjustmentOnPeak_en-US">Basis adjustment - on peak</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element505" xlink:to="label505" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsDeliveryPointsBasisAdjustmentOnPeak" xlink:label="element506" />
    <label xlink:type="resource" xlink:label="label506" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueInputsDeliveryPointsBasisAdjustmentOnPeak_en-US">Basis adjustment between delivery points for on peak electric future prices. Used as an input to measure fair value.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element506" xlink:to="label506" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsDeliveryPointsBasisAdjustmentOffPeak" xlink:label="element507" />
    <label xlink:type="resource" xlink:label="label507" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_FairValueInputsDeliveryPointsBasisAdjustmentOffPeak_en-US">Fair Value Inputs Delivery Points Basis Adjustment Off Peak</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element507" xlink:to="label507" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsDeliveryPointsBasisAdjustmentOffPeak" xlink:label="element508" />
    <label xlink:type="resource" xlink:label="label508" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_FairValueInputsDeliveryPointsBasisAdjustmentOffPeak_en-US">Basis adjustment - off peak</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element508" xlink:to="label508" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_FairValueInputsDeliveryPointsBasisAdjustmentOffPeak" xlink:label="element509" />
    <label xlink:type="resource" xlink:label="label509" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_FairValueInputsDeliveryPointsBasisAdjustmentOffPeak_en-US">Basis adjustment between delivery points for off peak electric future prices. Used as an input to measure fair value.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element509" xlink:to="label509" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DebtInstrumentsLineItems" xlink:label="element510" />
    <label xlink:type="resource" xlink:label="label510" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DebtInstrumentsLineItems_en-US">Debt Instruments [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element510" xlink:to="label510" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DebtInstrumentsLineItems" xlink:label="element511" />
    <label xlink:type="resource" xlink:label="label511" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_DebtInstrumentsLineItems_en-US">Long-term debt [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element511" xlink:to="label511" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DebtInstrumentsLineItems" xlink:label="element512" />
    <label xlink:type="resource" xlink:label="label512" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DebtInstrumentsLineItems_en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element512" xlink:to="label512" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeCollateralRightToReclaimCashPpa" xlink:label="element513" />
    <label xlink:type="resource" xlink:label="label513" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_DerivativeCollateralRightToReclaimCashPpa_en-US">Derivative Collateral Right To Reclaim Cash PPA</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element513" xlink:to="label513" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeCollateralRightToReclaimCashPpa" xlink:label="element514" />
    <label xlink:type="resource" xlink:label="label514" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_DerivativeCollateralRightToReclaimCashPpa_en-US">The amount of the right to reclaim cash collateral under the ten-year PPA master netting arrangements that have not been offset against net derivative instrument positions.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element514" xlink:to="label514" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_DerivativeCollateralRightToReclaimCashPpa" xlink:label="element515" />
    <label xlink:type="resource" xlink:label="label515" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_DerivativeCollateralRightToReclaimCashPpa_en-US">Required collateral posted</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element515" xlink:to="label515" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaAfudcEquity" xlink:label="element516" />
    <label xlink:type="resource" xlink:label="label516" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_mgee_ColumbiaAfudcEquity_en-US">Columbia AFUDC Equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element516" xlink:to="label516" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaAfudcEquity" xlink:label="element517" />
    <label xlink:type="resource" xlink:label="label517" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_mgee_ColumbiaAfudcEquity_en-US">Columbia environmental project AFUDC equity amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element517" xlink:to="label517" />
    <loc xlink:type="locator" xlink:href="mgee-20120930.xsd#mgee_ColumbiaAfudcEquity" xlink:label="element518" />
    <label xlink:type="resource" xlink:label="label518" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" id="documentation_mgee_ColumbiaAfudcEquity_en-US">Amount of AFUDC equity MGE has recognized on the Columbia project.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element518" xlink:to="label518" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="element519" />
    <label xlink:type="resource" xlink:label="label519" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_AccountsReceivableNetCurrent_en-US">Accounts receivable, less reserves</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element519" xlink:to="label519" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentForAmortizationAbstract" xlink:label="element520" />
    <label xlink:type="resource" xlink:label="label520" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_AdjustmentForAmortizationAbstract_en-US">Adjustment For Amortization Abstract</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element520" xlink:to="label520" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentForAmortizationAbstract" xlink:label="element521" />
    <label xlink:type="resource" xlink:label="label521" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_AdjustmentForAmortizationAbstract_en-US">Amortization of:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element521" xlink:to="label521" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="element522" />
    <label xlink:type="resource" xlink:label="label522" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_EquityMethodInvestmentDividendsOrDistributions_en-US">Dividend income from ATC</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element522" xlink:to="label522" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="element523" />
    <label xlink:type="resource" xlink:label="label523" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_UnrealizedGainLossOnDerivatives_en-US">Unrealized Gain Loss On Derivatives</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element523" xlink:to="label523" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="element524" />
    <label xlink:type="resource" xlink:label="label524" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_UnrealizedGainLossOnDerivatives_en-US">Change in unrealized loss (gain)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element524" xlink:to="label524" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="element525" />
    <label xlink:type="resource" xlink:label="label525" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_en-US">Reserve for uncollectible accounts receivable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element525" xlink:to="label525" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DueFromAffiliateCurrent" xlink:label="element526" />
    <label xlink:type="resource" xlink:label="label526" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DueFromAffiliateCurrent_en-US">Affiliate receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element526" xlink:to="label526" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DueFromAffiliateNoncurrent" xlink:label="element527" />
    <label xlink:type="resource" xlink:label="label527" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DueFromAffiliateNoncurrent_en-US">Affiliate receivable long-term</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element527" xlink:to="label527" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="element528" />
    <label xlink:type="resource" xlink:label="label528" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_EarningsPerShareBasic_en-US">Earnings Per Share of Common Stock (basic and diluted)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element528" xlink:to="label528" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="element529" />
    <label xlink:type="resource" xlink:label="label529" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US" id="periodStart_us-gaap_CashAndCashEquivalentsAtCarryingValue_en-US">Cash and cash equivalents at beginning of period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element529" xlink:to="label529" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="element530" />
    <label xlink:type="resource" xlink:label="label530" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US" id="periodEnd_us-gaap_CashAndCashEquivalentsAtCarryingValue_en-US">Cash and cash equivalents at end of period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element530" xlink:to="label530" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="element531" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element531" xlink:to="label531" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingAssets" xlink:label="element532" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element532" xlink:to="label532" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingAssets" xlink:label="element533" />
    <label xlink:type="resource" xlink:label="label533" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_IncreaseDecreaseInOperatingAssets_en-US">(Increase) decrease in current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element533" xlink:to="label533" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingLiabilities" xlink:label="element534" />
    <label xlink:type="resource" xlink:label="label534" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInOperatingLiabilities_en-US">Decrease in current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element534" xlink:to="label534" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="element535" />
    <label xlink:type="resource" xlink:label="label535" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_en-US">Decrease in short-term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element535" xlink:to="label535" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="element536" />
    <label xlink:type="resource" xlink:label="label536" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_en-US">Changes in working capital items:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element536" xlink:to="label536" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="element537" />
    <label xlink:type="resource" xlink:label="label537" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_en-US">Commitments and Contingencies</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element537" xlink:to="label537" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="element538" />
    <label xlink:type="resource" xlink:label="label538" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CommonStockSharesAuthorized_en-US">Common stock, shares authorized</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element538" xlink:to="label538" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="element539" />
    <label xlink:type="resource" xlink:label="label539" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CommonStockSharesIssued_en-US">Common stock, shares issued</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element539" xlink:to="label539" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="element540" />
    <label xlink:type="resource" xlink:label="label540" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ComprehensiveIncomeNetOfTax_en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element540" xlink:to="label540" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="element541" />
    <label xlink:type="resource" xlink:label="label541" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_ComprehensiveIncomeNetOfTax_en-US">Comprehensive Income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element541" xlink:to="label541" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConsolidationVariableInterestEntityPolicy" xlink:label="element542" />
    <label xlink:type="resource" xlink:label="label542" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_ConsolidationVariableInterestEntityPolicy_en-US">Basis of Presentation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element542" xlink:to="label542" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConsolidationVariableInterestEntityPolicy" xlink:label="element543" />
    <label xlink:type="resource" xlink:label="label543" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ConsolidationVariableInterestEntityPolicy_en-US">Consolidation, Variable Interest Entity, Policy [Policy Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element543" xlink:to="label543" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="element544" />
    <label xlink:type="resource" xlink:label="label544" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ConstructionInProgressGross_en-US">Construction work in progress</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element544" xlink:to="label544" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="element545" />
    <label xlink:type="resource" xlink:label="label545" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_ConstructionInProgressGross_en-US">Total incurred costs to date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element545" xlink:to="label545" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="element546" />
    <label xlink:type="resource" xlink:label="label546" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LiabilitiesCurrent_en-US">Total Current Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element546" xlink:to="label546" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="element547" />
    <label xlink:type="resource" xlink:label="label547" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_LiabilitiesCurrent_en-US">Total Current Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element547" xlink:to="label547" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="element548" />
    <label xlink:type="resource" xlink:label="label548" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LiabilitiesCurrentAbstract_en-US">Current Liabilities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element548" xlink:to="label548" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtConversionConvertedInstrumentRate" xlink:label="element549" />
    <label xlink:type="resource" xlink:label="label549" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DebtConversionConvertedInstrumentRate_en-US">Interest rate after remarketing</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element549" xlink:to="label549" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtConversionOriginalDebtInterestRateOfDebt" xlink:label="element550" />
    <label xlink:type="resource" xlink:label="label550" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DebtConversionOriginalDebtInterestRateOfDebt_en-US">Interest rate before remarketing</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element550" xlink:to="label550" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="element551" />
    <label xlink:type="resource" xlink:label="label551" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DebtInstrumentInterestRateStatedPercentage_en-US">Interest rate on secured long-term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element551" xlink:to="label551" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="element552" />
    <label xlink:type="resource" xlink:label="label552" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_DebtInstrumentInterestRateStatedPercentage_en-US">Interest rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element552" xlink:to="label552" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="element553" />
    <label xlink:type="resource" xlink:label="label553" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DebtInstrumentMaturityDate_en-US">Maturity date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element553" xlink:to="label553" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="element554" />
    <label xlink:type="resource" xlink:label="label554" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DebtInstrumentNameDomain_en-US">Debt Instrument, Name [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element554" xlink:to="label554" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="element555" />
    <label xlink:type="resource" xlink:label="label555" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DebtInstrumentAxis_en-US">Debt Instrument [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element555" xlink:to="label555" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="element556" />
    <label xlink:type="resource" xlink:label="label556" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DebtInstrumentTable_en-US">Schedule of Long-term Debt Instruments [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element556" xlink:to="label556" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="element557" />
    <label xlink:type="resource" xlink:label="label557" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DeferredTaxLiabilitiesCurrent_en-US">Deferred income taxes current</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element557" xlink:to="label557" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="element558" />
    <label xlink:type="resource" xlink:label="label558" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_DeferredTaxLiabilitiesCurrent_en-US">Deferred income taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element558" xlink:to="label558" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="element559" />
    <label xlink:type="resource" xlink:label="label559" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DeferredTaxLiabilitiesNoncurrent_en-US">Deferred income taxes noncurrent</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element559" xlink:to="label559" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="element560" />
    <label xlink:type="resource" xlink:label="label560" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_DeferredTaxLiabilitiesNoncurrent_en-US">Deferred income taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element560" xlink:to="label560" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="element561" />
    <label xlink:type="resource" xlink:label="label561" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DefinedBenefitPlansDomain_en-US">Defined Benefit Plans [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element561" xlink:to="label561" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeAssetsCurrent" xlink:label="element562" />
    <label xlink:type="resource" xlink:label="label562" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DerivativeAssetsCurrent_en-US">Derivative Assets Current</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element562" xlink:to="label562" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeAssetsCurrent" xlink:label="element563" />
    <label xlink:type="resource" xlink:label="label563" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_DerivativeAssetsCurrent_en-US">Other current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element563" xlink:to="label563" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeAssetsNoncurrent" xlink:label="element564" />
    <label xlink:type="resource" xlink:label="label564" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DerivativeAssetsNoncurrent_en-US">Derivative Assets Noncurrent</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element564" xlink:to="label564" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeAssetsNoncurrent" xlink:label="element565" />
    <label xlink:type="resource" xlink:label="label565" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_DerivativeAssetsNoncurrent_en-US">Other defered charges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element565" xlink:to="label565" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="element566" />
    <label xlink:type="resource" xlink:label="label566" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_en-US">Derivative and Hedging Instruments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element566" xlink:to="label566" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="element567" />
    <label xlink:type="resource" xlink:label="label567" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DerivativeLiabilitiesCurrent_en-US">Derivative liability (current)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element567" xlink:to="label567" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="element568" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element576" xlink:to="label576" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDistributionsToAffiliates" xlink:label="element577" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element577" xlink:to="label577" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="element578" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element578" xlink:to="label578" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="element579" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element579" xlink:to="label579" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="element580" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element580" xlink:to="label580" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="element581" />
    <label xlink:type="resource" xlink:label="label581" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_IncomeLossFromEquityMethodInvestments_en-US">Equity earnings in ATC</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element581" xlink:to="label581" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="element582" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element582" xlink:to="label582" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="element583" />
    <label xlink:type="resource" xlink:label="label583" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US" id="verbose_us-gaap_IncomeLossFromEquityMethodInvestments_en-US">Equity earnings from investment in ATC</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element583" xlink:to="label583" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="element584" />
    <label xlink:type="resource" xlink:label="label584" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_EffectiveIncomeTaxRateContinuingOperations_en-US">Effective Income Tax Rate Continuing Operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element584" xlink:to="label584" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="element585" />
    <label xlink:type="resource" xlink:label="label585" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_EffectiveIncomeTaxRateContinuingOperations_en-US">Effective income tax rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element585" xlink:to="label585" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost" xlink:label="element586" />
    <label xlink:type="resource" xlink:label="label586" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCost_en-US">Compensation expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element586" xlink:to="label586" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="element587" />
    <label xlink:type="resource" xlink:label="label587" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_EquityMethodInvestments_en-US">Investment in ATC</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element587" xlink:to="label587" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="element588" />
    <label xlink:type="resource" xlink:label="label588" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_EquityMethodInvesteeNameDomain_en-US">Equity Method Investee, Name [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element588" xlink:to="label588" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExtinguishmentOfDebtAmount" xlink:label="element589" />
    <label xlink:type="resource" xlink:label="label589" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ExtinguishmentOfDebtAmount_en-US">Redeemed and retired debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element589" xlink:to="label589" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="element590" />
    <label xlink:type="resource" xlink:label="label590" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueOfFinancialInstrumentsPolicy_en-US">Recurring Fair Value Measurements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element590" xlink:to="label590" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="element591" />
    <label xlink:type="resource" xlink:label="label591" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_IncomeStatementAbstract_en-US">Income Statement [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element591" xlink:to="label591" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="element592" />
    <label xlink:type="resource" xlink:label="label592" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_IncomeTaxDisclosureTextBlock_en-US">Taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element592" xlink:to="label592" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="element593" />
    <label xlink:type="resource" xlink:label="label593" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_InterestExpense_en-US">Interest expense, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element593" xlink:to="label593" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="element594" />
    <label xlink:type="resource" xlink:label="label594" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_InterestExpense_en-US">Net Interest Expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element594" xlink:to="label594" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="element595" />
    <label xlink:type="resource" xlink:label="label595" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_InterestExpense_en-US">Interest expense, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element595" xlink:to="label595" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="element596" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element596" xlink:to="label596" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpenseLongTermDebt" xlink:label="element597" />
    <label xlink:type="resource" xlink:label="label597" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_InterestExpenseLongTermDebt_en-US">Interest on long-term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element597" xlink:to="label597" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EnergyRelatedInventoryGasStoredUnderground" xlink:label="element598" />
    <label xlink:type="resource" xlink:label="label598" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_EnergyRelatedInventoryGasStoredUnderground_en-US">Stored natural gas, at average cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element598" xlink:to="label598" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EnergyRelatedInventoryOtherFossilFuel" xlink:label="element599" />
    <label xlink:type="resource" xlink:label="label599" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_EnergyRelatedInventoryOtherFossilFuel_en-US">Fossil fuel</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element599" xlink:to="label599" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherInventorySupplies" xlink:label="element600" />
    <label xlink:type="resource" xlink:label="label600" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_OtherInventorySupplies_en-US">Materials and supplies, at average cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element600" xlink:to="label600" />
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    <label xlink:type="resource" xlink:label="label603" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare_en-US">Jointly Owned Utility Plant Proportionate Ownership Share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element603" xlink:to="label603" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare" xlink:label="element604" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element604" xlink:to="label604" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantAxis" xlink:label="element605" />
    <label xlink:type="resource" xlink:label="label605" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_JointlyOwnedUtilityPlantAxis_en-US">Jointly Owned Utility Plant [Axis]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element606" xlink:to="label606" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantInterestsTable" xlink:label="element607" />
    <label xlink:type="resource" xlink:label="label607" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_JointlyOwnedUtilityPlantInterestsTable_en-US">Jointly Owned Utility Plant Interests [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element607" xlink:to="label607" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="element608" />
    <label xlink:type="resource" xlink:label="label608" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LiabilitiesAndStockholdersEquity_en-US">Total Liabilities and Capitalization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element608" xlink:to="label608" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="element609" />
    <label xlink:type="resource" xlink:label="label609" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_LiabilitiesAndStockholdersEquity_en-US">Total Liabilities and Capitalization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element609" xlink:to="label609" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="element610" />
    <label xlink:type="resource" xlink:label="label610" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract_en-US">LIABILITIES AND CAPITALIZATION</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element610" xlink:to="label610" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="element611" />
    <label xlink:type="resource" xlink:label="label611" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_en-US">Revolving credit facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element611" xlink:to="label611" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="element612" />
    <label xlink:type="resource" xlink:label="label612" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LineOfCreditFacilityLineItems_en-US">Credit Facilities [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element612" xlink:to="label612" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="element613" />
    <label xlink:type="resource" xlink:label="label613" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LineOfCreditFacilityTable_en-US">Line of Credit Facility [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element613" xlink:to="label613" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="element614" />
    <label xlink:type="resource" xlink:label="label614" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LongTermDebtCurrent_en-US">Long-term debt due within one year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element614" xlink:to="label614" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="element615" />
    <label xlink:type="resource" xlink:label="label615" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LongTermDebtNoncurrent_en-US">Long-term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element615" xlink:to="label615" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MarginDepositAssets" xlink:label="element616" />
    <label xlink:type="resource" xlink:label="label616" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_MarginDepositAssets_en-US">Receivable - margin account</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element616" xlink:to="label616" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterest" xlink:label="element617" />
    <label xlink:type="resource" xlink:label="label617" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_MinorityInterest_en-US">Noncontrolling interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element617" xlink:to="label617" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="element618" />
    <label xlink:type="resource" xlink:label="label618" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_en-US">Related Party Transactions, by Related Party [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element618" xlink:to="label618" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="element619" />
    <label xlink:type="resource" xlink:label="label619" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_en-US">Operating Activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element619" xlink:to="label619" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="element620" />
    <label xlink:type="resource" xlink:label="label620" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInFinancingActivities_en-US">Cash Provided by (Used for) Financing Activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element620" xlink:to="label620" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="element621" />
    <label xlink:type="resource" xlink:label="label621" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_NetCashProvidedByUsedInFinancingActivities_en-US">Cash Used for Financing Activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element621" xlink:to="label621" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="element622" />
    <label xlink:type="resource" xlink:label="label622" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_en-US">Financing Activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element622" xlink:to="label622" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="element623" />
    <label xlink:type="resource" xlink:label="label623" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInInvestingActivities_en-US">Cash Used for Investing Activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element623" xlink:to="label623" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="element624" />
    <label xlink:type="resource" xlink:label="label624" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_NetCashProvidedByUsedInInvestingActivities_en-US">Cash Used for Investing Activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element624" xlink:to="label624" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="element625" />
    <label xlink:type="resource" xlink:label="label625" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_en-US">Investing Activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element625" xlink:to="label625" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="element626" />
    <label xlink:type="resource" xlink:label="label626" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInOperatingActivities_en-US">Cash Provided by Operating Activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element626" xlink:to="label626" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="element627" />
    <label xlink:type="resource" xlink:label="label627" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_NetCashProvidedByUsedInOperatingActivities_en-US">Cash Provided by Operating Activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element627" xlink:to="label627" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="element628" />
    <label xlink:type="resource" xlink:label="label628" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_NetIncomeLoss_en-US">Net Income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element628" xlink:to="label628" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="element629" />
    <label xlink:type="resource" xlink:label="label629" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_NetIncomeLoss_en-US">Net Income (Loss)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element629" xlink:to="label629" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="element630" />
    <label xlink:type="resource" xlink:label="label630" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_en-US">Change in Cash and Cash Equivalents:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element630" xlink:to="label630" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="element631" />
    <label xlink:type="resource" xlink:label="label631" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_en-US">Change in Cash and Cash Equivalents:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element631" xlink:to="label631" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="element632" />
    <label xlink:type="resource" xlink:label="label632" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_NonoperatingIncomeExpense_en-US">Total Other Income and Deductions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element632" xlink:to="label632" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="element633" />
    <label xlink:type="resource" xlink:label="label633" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_NonoperatingIncomeExpense_en-US">Other income, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element633" xlink:to="label633" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="element634" />
    <label xlink:type="resource" xlink:label="label634" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_NonoperatingIncomeExpense_en-US">Nonoperating Income Expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element634" xlink:to="label634" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="element635" />
    <label xlink:type="resource" xlink:label="label635" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US" id="verbose_us-gaap_NonoperatingIncomeExpense_en-US">Other (deductions) income, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element635" xlink:to="label635" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="element636" />
    <label xlink:type="resource" xlink:label="label636" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_NonoperatingIncomeExpenseAbstract_en-US">Nonoperating Income (Expense) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element636" xlink:to="label636" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="element637" />
    <label xlink:type="resource" xlink:label="label637" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_NonoperatingIncomeExpenseAbstract_en-US">Other Income and Deductions:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element637" xlink:to="label637" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="element638" />
    <label xlink:type="resource" xlink:label="label638" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LiabilitiesNoncurrent_en-US">Total Other Credits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element638" xlink:to="label638" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="element639" />
    <label xlink:type="resource" xlink:label="label639" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_LiabilitiesNoncurrent_en-US">Total Other Credits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element639" xlink:to="label639" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="element640" />
    <label xlink:type="resource" xlink:label="label640" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LiabilitiesNoncurrentAbstract_en-US">Other Credits:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element640" xlink:to="label640" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="element641" />
    <label xlink:type="resource" xlink:label="label641" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_OperatingIncomeLoss_en-US">Operating income (loss)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element641" xlink:to="label641" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="element642" />
    <label xlink:type="resource" xlink:label="label642" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_OperatingIncomeLoss_en-US">Operating Income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element642" xlink:to="label642" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="element643" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="element680" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element680" xlink:to="label680" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="element682" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="element683" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="element684" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element684" xlink:to="label684" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="element685" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element685" xlink:to="label685" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="element686" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element686" xlink:to="label686" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="element687" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="element688" />
    <label xlink:type="resource" xlink:label="label688" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PreferredStockSharesAuthorized_en-US">Preferred Stock, Shares Authorized</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element688" xlink:to="label688" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="element689" />
    <label xlink:type="resource" xlink:label="label689" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PreferredStockSharesIssued_en-US">Preferred Stock, Shares Issued</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element689" xlink:to="label689" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="element690" />
    <label xlink:type="resource" xlink:label="label690" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PreferredStockSharesOutstanding_en-US">Preferred Stock, Shares Outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element690" xlink:to="label690" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="element691" />
    <label xlink:type="resource" xlink:label="label691" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PreferredStockParOrStatedValuePerShare_en-US">Preferred Stock, Par or Stated Value Per Share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element691" xlink:to="label691" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" xlink:label="element692" />
    <label xlink:type="resource" xlink:label="label692" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables_en-US">Reserve for uncollectible other accounts receivable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element692" xlink:to="label692" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrepaidTaxes" xlink:label="element693" />
    <label xlink:type="resource" xlink:label="label693" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PrepaidTaxes_en-US">Prepaid taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element693" xlink:to="label693" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="element694" />
    <label xlink:type="resource" xlink:label="label694" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ProceedsFromIssuanceOfCommonStock_en-US">Issuance of common stock, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element694" xlink:to="label694" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="element695" />
    <label xlink:type="resource" xlink:label="label695" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ProceedsFromMinorityShareholders_en-US">Equity contribution received by noncontrolling interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element695" xlink:to="label695" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="element696" />
    <label xlink:type="resource" xlink:label="label696" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_ProceedsFromMinorityShareholders_en-US">Equity contribution received by noncontrolling interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element696" xlink:to="label696" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="element697" />
    <label xlink:type="resource" xlink:label="label697" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ProceedsFromIssuanceOfLongTermDebt_en-US">Issuance of long-term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element697" xlink:to="label697" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="element698" />
    <label xlink:type="resource" xlink:label="label698" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_en-US">Proceeds from sale of investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element698" xlink:to="label698" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="element699" />
    <label xlink:type="resource" xlink:label="label699" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_en-US">Proceeds from sale of property</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element699" xlink:to="label699" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="element700" />
    <label xlink:type="resource" xlink:label="label700" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PropertyPlantAndEquipmentNet_en-US">Property, plant, and equipment, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element700" xlink:to="label700" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="element701" />
    <label xlink:type="resource" xlink:label="label701" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ProvisionForDoubtfulAccounts_en-US">Provision for doubtful receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element701" xlink:to="label701" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" xlink:label="element702" />
    <label xlink:type="resource" xlink:label="label702" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_en-US">AFUDC - borrowed funds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element702" xlink:to="label702" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PublicUtilitiesDisclosureTextBlock" xlink:label="element703" />
    <label xlink:type="resource" xlink:label="label703" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PublicUtilitiesDisclosureTextBlock_en-US">Rate Matters</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element703" xlink:to="label703" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:label="element704" />
    <label xlink:type="resource" xlink:label="label704" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_en-US">Public Utilities Property Plant And Equipment Plant In Service</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element704" xlink:to="label704" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:label="element705" />
    <label xlink:type="resource" xlink:label="label705" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_en-US">Elm Road placed in-service</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element705" xlink:to="label705" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:label="element706" />
    <label xlink:type="resource" xlink:label="label706" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_en-US">Capital contributions to investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element706" xlink:to="label706" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:label="element707" />
    <label xlink:type="resource" xlink:label="label707" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_en-US">Contributions to ATC</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element707" xlink:to="label707" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireOtherInvestments" xlink:label="element708" />
    <label xlink:type="resource" xlink:label="label708" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PaymentsToAcquireOtherInvestments_en-US">Purchase of investment - land</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element708" xlink:to="label708" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireOtherInvestments" xlink:label="element709" />
    <label xlink:type="resource" xlink:label="label709" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_PaymentsToAcquireOtherInvestments_en-US">Purchase of investment - land</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element709" xlink:to="label709" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="element710" />
    <label xlink:type="resource" xlink:label="label710" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_en-US">Capital expenditures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element710" xlink:to="label710" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="element711" />
    <label xlink:type="resource" xlink:label="label711" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_en-US">Capital expenditures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element711" xlink:to="label711" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesNetCurrentAbstract" xlink:label="element712" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element712" xlink:to="label712" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperatingRevenue" xlink:label="element713" />
    <label xlink:type="resource" xlink:label="label713" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_RegulatedAndUnregulatedOperatingRevenue_en-US">Total Operating Revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element713" xlink:to="label713" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperatingRevenue" xlink:label="element714" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element714" xlink:to="label714" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperatingRevenue" xlink:label="element715" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RegulatoryLiabilityNoncurrent" xlink:label="element718" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="element722" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="element723" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="element724" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="element725" />
    <label xlink:type="resource" xlink:label="label725" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US" id="periodEnd_us-gaap_RestructuringReserve_en-US">Ending balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element725" xlink:to="label725" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringAndRelatedCostCostIncurredToDate" xlink:label="element726" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element726" xlink:to="label726" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringAndRelatedCostExpectedCost" xlink:label="element727" />
    <label xlink:type="resource" xlink:label="label727" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_RestructuringAndRelatedCostExpectedCost_en-US">Benefits expected to be paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element727" xlink:to="label727" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringReserveSettledWithCash" xlink:label="element728" />
    <label xlink:type="resource" xlink:label="label728" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_RestructuringReserveSettledWithCash_en-US">Cash payments during the period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element728" xlink:to="label728" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringReserveSettledWithCash" xlink:label="element729" />
    <label xlink:type="resource" xlink:label="label729" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_RestructuringReserveSettledWithCash_en-US">Cash payments during the period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element729" xlink:to="label729" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element730" xlink:to="label730" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock" xlink:label="element731" />
    <label xlink:type="resource" xlink:label="label731" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_en-US">Schedule Of Defined Benefit Plans Disclosures Text Block</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element731" xlink:to="label731" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock" xlink:label="element732" />
    <label xlink:type="resource" xlink:label="label732" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_en-US">Net Periodic Benefit Cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element732" xlink:to="label732" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="element733" />
    <label xlink:type="resource" xlink:label="label733" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_SegmentReportingDisclosureTextBlock_en-US">Segment Information</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element733" xlink:to="label733" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="element734" />
    <label xlink:type="resource" xlink:label="label734" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_en-US">Schedule Of Segment Reporting Information By Segment Text Block</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element734" xlink:to="label734" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="element735" />
    <label xlink:type="resource" xlink:label="label735" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_en-US">Segment Information</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element735" xlink:to="label735" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingInformationRevenue" xlink:label="element736" />
    <label xlink:type="resource" xlink:label="label736" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_SegmentReportingInformationRevenue_en-US">Total operating revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element736" xlink:to="label736" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingInformationRevenue" xlink:label="element737" />
    <label xlink:type="resource" xlink:label="label737" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_SegmentReportingInformationRevenue_en-US">Total operating revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element737" xlink:to="label737" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="element738" />
    <label xlink:type="resource" xlink:label="label738" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_SegmentReportingInformationLineItems_en-US">Segment Reporting Information [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element738" xlink:to="label738" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="element739" />
    <label xlink:type="resource" xlink:label="label739" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_en-US">Schedule Of Segment Reporting Information By Segment [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element739" xlink:to="label739" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ServicingAssetAtAmortizedValue" xlink:label="element740" />
    <label xlink:type="resource" xlink:label="label740" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ServicingAssetAtAmortizedValue_en-US">Servicing Asset At Amortized Value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element740" xlink:to="label740" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ServicingAssetAtAmortizedValue" xlink:label="element741" />
    <label xlink:type="resource" xlink:label="label741" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_ServicingAssetAtAmortizedValue_en-US">Servicing asset recognized</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element741" xlink:to="label741" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:label="element742" />
    <label xlink:type="resource" xlink:label="label742" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element742" xlink:to="label742" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:label="element743" />
    <label xlink:type="resource" xlink:label="label743" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_en-US">Accelerated compensation costs from amendment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element743" xlink:to="label743" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="element744" />
    <label xlink:type="resource" xlink:label="label744" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ShortTermBorrowings_en-US">Short-term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element744" xlink:to="label744" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SiteContingencyNatureOfContingencyDomain" xlink:label="element745" />
    <label xlink:type="resource" xlink:label="label745" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_SiteContingencyNatureOfContingencyDomain_en-US">Site Contingency, Nature of Contingency [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element745" xlink:to="label745" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SiteContingencyByNatureAxis" xlink:label="element746" />
    <label xlink:type="resource" xlink:label="label746" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_SiteContingencyByNatureAxis_en-US">Site Contingency by Nature [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element746" xlink:to="label746" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="element747" />
    <label xlink:type="resource" xlink:label="label747" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_StatementOfCashFlowsAbstract_en-US">Statement Of Cash Flows [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element747" xlink:to="label747" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element748" xlink:to="label748" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="element749" />
    <label xlink:type="resource" xlink:label="label749" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_en-US">Share-based Compensation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element749" xlink:to="label749" />
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    <label xlink:type="resource" xlink:label="label750" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_SubsequentEventTypeAxis_en-US">Subsequent Event Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element750" xlink:to="label750" />
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    <label xlink:type="resource" xlink:label="label751" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_SubsequentEventDescription_en-US">Subsequent Event, Description</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element751" xlink:to="label751" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnsecuredDebt" xlink:label="element762" />
    <label xlink:type="resource" xlink:label="label762" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_UnsecuredDebt_en-US">Unsecured debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element762" xlink:to="label762" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UtilitiesOperatingExpense" xlink:label="element763" />
    <label xlink:type="resource" xlink:label="label763" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_UtilitiesOperatingExpense_en-US">Total Operating Expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element763" xlink:to="label763" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UtilitiesOperatingExpense" xlink:label="element764" />
    <label xlink:type="resource" xlink:label="label764" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_UtilitiesOperatingExpense_en-US">Utilities Operating Expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element764" xlink:to="label764" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:label="element765" />
    <label xlink:type="resource" xlink:label="label765" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization_en-US">Depreciation and amortization</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:label="element766" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element766" xlink:to="label766" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations" xlink:label="element767" />
    <label xlink:type="resource" xlink:label="label767" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations_en-US">Other operations and maintenance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element767" xlink:to="label767" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UtilitiesOperatingExpensePurchasedPower" xlink:label="element768" />
    <label xlink:type="resource" xlink:label="label768" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_UtilitiesOperatingExpensePurchasedPower_en-US">Purchased power</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element768" xlink:to="label768" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UtilitiesOperatingExpenseTaxes" xlink:label="element769" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UtilitiesOperatingExpenseTaxes" xlink:label="element770" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UtilityPlantDomain" xlink:label="element771" />
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    <label xlink:type="resource" xlink:label="label772" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_en-US">Average Shares Outstanding (basic and diluted)</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SubsidiariesMember" xlink:label="element773" />
    <label xlink:type="resource" xlink:label="label773" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_SubsidiariesMember_en-US">MGE [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element773" xlink:to="label773" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeMember" xlink:label="element774" />
    <label xlink:type="resource" xlink:label="label774" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_EquityMethodInvesteeMember_en-US">ATC [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element774" xlink:to="label774" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockMember" xlink:label="element775" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element775" xlink:to="label775" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="element776" />
    <label xlink:type="resource" xlink:label="label776" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PropertyPlantAndEquipmentNetAbstract_en-US">Property, Plant, and Equipment:</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element777" xlink:to="label777" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="element778" />
    <label xlink:type="resource" xlink:label="label778" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_Assets_en-US">Total Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element778" xlink:to="label778" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="element779" />
    <label xlink:type="resource" xlink:label="label779" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_Assets_en-US">Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element779" xlink:to="label779" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="element780" />
    <label xlink:type="resource" xlink:label="label780" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_OtherLiabilitiesCurrent_en-US">Other current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element780" xlink:to="label780" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="element781" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element781" xlink:to="label781" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element784" xlink:to="label784" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element785" xlink:to="label785" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="element794" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="element797" />
    <label xlink:type="resource" xlink:label="label797" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CashAndCashEquivalentsFairValueDisclosure_en-US">Cash And Cash Equivalents Fair Value Disclosure</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="element798" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="element799" />
    <label xlink:type="resource" xlink:label="label799" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_StatementTable_en-US">Statement [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element799" xlink:to="label799" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:label="element800" />
    <label xlink:type="resource" xlink:label="label800" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_en-US">Financial Instruments Financial Assets Balance Sheet Groupings Abstract</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:label="element801" />
    <label xlink:type="resource" xlink:label="label801" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_en-US">Assets:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element801" xlink:to="label801" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure" xlink:label="element802" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure" xlink:label="element803" />
    <label xlink:type="resource" xlink:label="label803" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure_en-US">Derivatives, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element803" xlink:to="label803" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:label="element804" />
    <label xlink:type="resource" xlink:label="label804" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_en-US">Financial Instruments Financial Liabilities Balance Sheet Groupings Abstract</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element804" xlink:to="label804" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:label="element805" />
    <label xlink:type="resource" xlink:label="label805" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_en-US">Liabilities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element805" xlink:to="label805" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringReserveRollForward" xlink:label="element806" />
    <label xlink:type="resource" xlink:label="label806" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_RestructuringReserveRollForward_en-US">Restructuring accrual activity [Roll forward]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element806" xlink:to="label806" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="element807" />
    <label xlink:type="resource" xlink:label="label807" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_AssetsAbstract_en-US">ASSETS</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element807" xlink:to="label807" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="element808" />
    <label xlink:type="resource" xlink:label="label808" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_StatementLineItems_en-US">Statement [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element808" xlink:to="label808" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="element809" />
    <label xlink:type="resource" xlink:label="label809" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_en-US">Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element809" xlink:to="label809" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="element810" />
    <label xlink:type="resource" xlink:label="label810" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_en-US">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element810" xlink:to="label810" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="element811" />
    <label xlink:type="resource" xlink:label="label811" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US" id="periodStart_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_en-US">Beginning balance,</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element811" xlink:to="label811" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="element812" />
    <label xlink:type="resource" xlink:label="label812" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US" id="periodEnd_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_en-US">Ending balance,</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element812" xlink:to="label812" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings" xlink:label="element813" />
    <label xlink:type="resource" xlink:label="label813" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings_en-US">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element813" xlink:to="label813" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings" xlink:label="element814" />
    <label xlink:type="resource" xlink:label="label814" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings_en-US">Included in earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element814" xlink:to="label814" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome" xlink:label="element815" />
    <label xlink:type="resource" xlink:label="label815" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome_en-US">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element815" xlink:to="label815" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome" xlink:label="element816" />
    <label xlink:type="resource" xlink:label="label816" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome_en-US">Included in other comprehensive income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element816" xlink:to="label816" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet" xlink:label="element817" />
    <label xlink:type="resource" xlink:label="label817" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_en-US">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element817" xlink:to="label817" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet" xlink:label="element818" />
    <label xlink:type="resource" xlink:label="label818" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_en-US">Transfers in or out of level 3</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:label="element819" />
    <label xlink:type="resource" xlink:label="label819" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_en-US">Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Abstract</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:label="element820" />
    <label xlink:type="resource" xlink:label="label820" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_en-US">Changes in level 3 assets and liabilities measured at fair value on a recurring basis [Abstract]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock" xlink:label="element821" />
    <label xlink:type="resource" xlink:label="label821" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock_en-US">Gains and Losses Included in Income for Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInInvestmentIncome" xlink:label="element822" />
    <label xlink:type="resource" xlink:label="label822" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInInvestmentIncome_en-US">Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Included In Investment Income</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInInvestmentIncome" xlink:label="element823" />
    <label xlink:type="resource" xlink:label="label823" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInInvestmentIncome_en-US">Total gains (losses) included in earnings attributed to the change in unrealized gains (losses) related to assets and liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element823" xlink:to="label823" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="element824" />
    <label xlink:type="resource" xlink:label="label824" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueInputsLevel1Member_en-US">Level 1 [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UtilitiesOperatingExpenseAbstract" xlink:label="element831" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element831" xlink:to="label831" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis" xlink:label="element833" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain" xlink:label="element834" />
    <label xlink:type="resource" xlink:label="label834" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_en-US">Long Term Purchase Commitment Category Of Item Purchased [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element834" xlink:to="label834" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:label="element835" />
    <label xlink:type="resource" xlink:label="label835" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_en-US">Deferred income taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element835" xlink:to="label835" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:label="element836" />
    <label xlink:type="resource" xlink:label="label836" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_en-US">Deferred income taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element836" xlink:to="label836" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="element837" />
    <label xlink:type="resource" xlink:label="label837" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_OtherAssetsNoncurrent_en-US">Other deferred assets and other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element837" xlink:to="label837" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestructuringReservePeriodExpense" xlink:label="element838" />
    <label xlink:type="resource" xlink:label="label838" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_RestructuringReservePeriodExpense_en-US">Additional expense, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element838" xlink:to="label838" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="element839" />
    <label xlink:type="resource" xlink:label="label839" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ScheduleOfEquityMethodInvestmentsTable_en-US">Schedule of Equity Method Investments [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element839" xlink:to="label839" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfLifeSettlementContractsFairValueMethodFiveYearDisclosureAxis" xlink:label="element840" />
    <label xlink:type="resource" xlink:label="label840" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ScheduleOfLifeSettlementContractsFairValueMethodFiveYearDisclosureAxis_en-US">Schedule Of Life Settlement Contracts Fair Value Method Five Year Disclosure [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element840" xlink:to="label840" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="element841" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element841" xlink:to="label841" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="element842" />
    <label xlink:type="resource" xlink:label="label842" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_en-US">Schedule Of Equity Method Investments [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element842" xlink:to="label842" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="element843" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element843" xlink:to="label843" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="element844" />
    <label xlink:type="resource" xlink:label="label844" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ParentCompanyMember_en-US">MGE Energy [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element844" xlink:to="label844" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="element845" />
    <label xlink:type="resource" xlink:label="label845" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CommonStockParOrStatedValuePerShare_en-US">Common stock, par value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element845" xlink:to="label845" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax" xlink:label="element846" />
    <label xlink:type="resource" xlink:label="label846" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_en-US">Other Comprehensive Income Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element846" xlink:to="label846" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax" xlink:label="element847" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element847" xlink:to="label847" />
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    <label xlink:type="resource" xlink:label="label848" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DerivativesOffsettingFairValueAmountsPolicy_en-US">Derivative Netting</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="element849" />
    <label xlink:type="resource" xlink:label="label849" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US" id="periodStart_us-gaap_StockholdersEquity_en-US">Beginning balance, value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element849" xlink:to="label849" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="element850" />
    <label xlink:type="resource" xlink:label="label850" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US" id="periodEnd_us-gaap_StockholdersEquity_en-US">Ending balance, value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element850" xlink:to="label850" />
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    <label xlink:type="resource" xlink:label="label851" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_StockholdersEquity_en-US">Common shareholders equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element851" xlink:to="label851" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="element852" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element853" xlink:to="label853" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="element854" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element854" xlink:to="label854" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" xlink:label="element855" />
    <label xlink:type="resource" xlink:label="label855" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_en-US">Public Utilities Allowance For Funds Used During Construction Additions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element855" xlink:to="label855" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" xlink:label="element856" />
    <label xlink:type="resource" xlink:label="label856" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_en-US">Carrying costs collected during the year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element856" xlink:to="label856" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element857" xlink:to="label857" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributions" xlink:label="element858" />
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    <label xlink:type="resource" xlink:label="label859" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_en-US">AFUDC - equity funds</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element870" xlink:to="label870" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element875" xlink:to="label875" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="element877" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="element878" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element878" xlink:to="label878" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element879" xlink:to="label879" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="element880" />
    <label xlink:type="resource" xlink:label="label880" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_StockIssuedDuringPeriodSharesNewIssues_en-US">Common stock issued during period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element880" xlink:to="label880" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element883" xlink:to="label883" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element884" xlink:to="label884" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="element899" />
    <label xlink:type="resource" xlink:label="label899" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_en-US">Total comprehensive income including noncontrolling interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element899" xlink:to="label899" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="element900" />
    <label xlink:type="resource" xlink:label="label900" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element900" xlink:to="label900" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="element901" />
    <label xlink:type="resource" xlink:label="label901" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_en-US">Less: Comprehensive income attributable to Noncontrolling Interest, net of tax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element901" xlink:to="label901" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="element902" />
    <label xlink:type="resource" xlink:label="label902" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_en-US">Total Equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element902" xlink:to="label902" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="element903" />
    <label xlink:type="resource" xlink:label="label903" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_en-US">Total Equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element903" xlink:to="label903" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="element904" />
    <label xlink:type="resource" xlink:label="label904" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US" id="periodEnd_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_en-US">Ending balance, value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element904" xlink:to="label904" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="element905" />
    <label xlink:type="resource" xlink:label="label905" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US" id="periodStart_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_en-US">Beginning balance, value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element905" xlink:to="label905" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="element906" />
    <label xlink:type="resource" xlink:label="label906" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_NoncontrollingInterestMember_en-US">Noncontrolling Interest [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element906" xlink:to="label906" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDisclosuresAbstract" xlink:label="element907" />
    <label xlink:type="resource" xlink:label="label907" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ClassOfStockDisclosuresAbstract_en-US">Common Stock Disclosures [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element907" xlink:to="label907" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="element908" />
    <label xlink:type="resource" xlink:label="label908" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CommitmentsAndContingencies_en-US">Commitments and contingencies (see Footnote 8)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element908" xlink:to="label908" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingencies2009" xlink:label="element909" />
    <label xlink:type="resource" xlink:label="label909" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CommitmentsAndContingencies2009_en-US">Commitments And Contingencies 2009</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element909" xlink:to="label909" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="element910" />
    <label xlink:type="resource" xlink:label="label910" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DividendsCommonStockCash_en-US">Dividends Common Stock Cash</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element910" xlink:to="label910" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="element911" />
    <label xlink:type="resource" xlink:label="label911" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_DividendsCommonStockCash_en-US">Common stock dividends declared</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element911" xlink:to="label911" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="element912" />
    <label xlink:type="resource" xlink:label="label912" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_en-US">Items not affecting cash:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element912" xlink:to="label912" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther" xlink:label="element913" />
    <label xlink:type="resource" xlink:label="label913" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther_en-US">Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element913" xlink:to="label913" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizationLongtermDebtAndEquityAbstract" xlink:label="element914" />
    <label xlink:type="resource" xlink:label="label914" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CapitalizationLongtermDebtAndEquityAbstract_en-US">Capitalization:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element914" xlink:to="label914" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizationLongtermDebtAndEquity" xlink:label="element915" />
    <label xlink:type="resource" xlink:label="label915" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CapitalizationLongtermDebtAndEquity_en-US">Total Capitalization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element915" xlink:to="label915" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizationLongtermDebtAndEquity" xlink:label="element916" />
    <label xlink:type="resource" xlink:label="label916" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_CapitalizationLongtermDebtAndEquity_en-US">Total Capitalization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element916" xlink:to="label916" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="element917" />
    <label xlink:type="resource" xlink:label="label917" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_AccountsPayableCurrent_en-US">Accounts payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element917" xlink:to="label917" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConstructionPayableCurrent" xlink:label="element918" />
    <label xlink:type="resource" xlink:label="label918" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ConstructionPayableCurrent_en-US">Accrued costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element918" xlink:to="label918" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DueToAffiliateCurrent" xlink:label="element919" />
    <label xlink:type="resource" xlink:label="label919" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DueToAffiliateCurrent_en-US">Affiliate payables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element919" xlink:to="label919" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="element920" />
    <label xlink:type="resource" xlink:label="label920" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_EmployeeRelatedLiabilitiesCurrent_en-US">Accrued payroll related items</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element920" xlink:to="label920" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssetsByMeasurementAxis" xlink:label="element921" />
    <label xlink:type="resource" xlink:label="label921" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DefinedBenefitPlanFairValueOfPlanAssetsByMeasurementAxis_en-US">Defined Benefit Plan Fair Value Of Plan Assets By Measurement [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element921" xlink:to="label921" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValuePlanAssetMeasurementDomain" xlink:label="element922" />
    <label xlink:type="resource" xlink:label="label922" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValuePlanAssetMeasurementDomain_en-US">Fair Value Plan Asset Measurement [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element922" xlink:to="label922" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="element923" />
    <label xlink:type="resource" xlink:label="label923" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_en-US">Accrued pension and other postretirement benefits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element923" xlink:to="label923" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="element924" />
    <label xlink:type="resource" xlink:label="label924" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_AssetsFairValueDisclosure_en-US">Assets Fair Value Disclosure</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element924" xlink:to="label924" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="element925" />
    <label xlink:type="resource" xlink:label="label925" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_AssetsFairValueDisclosure_en-US">Total Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element925" xlink:to="label925" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="element926" />
    <label xlink:type="resource" xlink:label="label926" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_LiabilitiesFairValueDisclosure_en-US">Liabilities Fair Value Disclosure</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element926" xlink:to="label926" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="element927" />
    <label xlink:type="resource" xlink:label="label927" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US" id="total_us-gaap_LiabilitiesFairValueDisclosure_en-US">Total liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element927" xlink:to="label927" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:label="element928" />
    <label xlink:type="resource" xlink:label="label928" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity_en-US">Revenues From Transactions With Other Operating Segments Of Same Entity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element928" xlink:to="label928" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:label="element929" />
    <label xlink:type="resource" xlink:label="label929" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity_en-US">Interdepartmental revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element929" xlink:to="label929" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionsToNoncurrentAssets" xlink:label="element930" />
    <label xlink:type="resource" xlink:label="label930" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_AdditionsToNoncurrentAssets_en-US">Capital Expenditures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element930" xlink:to="label930" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="element931" />
    <label xlink:type="resource" xlink:label="label931" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_SegmentDomain_en-US">Segment [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element931" xlink:to="label931" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CorporateEliminationMember" xlink:label="element932" />
    <label xlink:type="resource" xlink:label="label932" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CorporateEliminationMember_en-US">Consolidation Elimination Entries [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element932" xlink:to="label932" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeCollateralAbstract" xlink:label="element933" />
    <label xlink:type="resource" xlink:label="label933" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DerivativeCollateralAbstract_en-US">Derivative collateral [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element933" xlink:to="label933" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeCollateralRightToReclaimCash" xlink:label="element934" />
    <label xlink:type="resource" xlink:label="label934" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_DerivativeCollateralRightToReclaimCash_en-US">Derivative Collateral Right To Reclaim Cash</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues" xlink:label="element940" />
    <label xlink:type="resource" xlink:label="label940" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_en-US">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues" xlink:label="element941" />
    <label xlink:type="resource" xlink:label="label941" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_en-US">Issuances</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="element942" />
    <label xlink:type="resource" xlink:label="label942" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_en-US">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element942" xlink:to="label942" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="element943" />
    <label xlink:type="resource" xlink:label="label943" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_en-US">Settlements</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="element944" />
    <label xlink:type="resource" xlink:label="label944" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_en-US">Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis [Table Text Block]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element944" xlink:to="label944" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="element945" />
    <label xlink:type="resource" xlink:label="label945" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_en-US">Assets and Liabilities Measured at Fair Value on a Recurring Basis</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="element946" />
    <label xlink:type="resource" xlink:label="label946" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_en-US">Commitments and Contingencies Disclosure [Abstract]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="element947" />
    <label xlink:type="resource" xlink:label="label947" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_SubsequentEventsTextBlock_en-US">Subsequent Events</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element947" xlink:to="label947" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock" xlink:label="element948" />
    <label xlink:type="resource" xlink:label="label948" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock_en-US">Schedule Of Notional Amounts Of Outstanding Derivative Positions [Table Text Block]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock" xlink:label="element949" />
    <label xlink:type="resource" xlink:label="label949" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock_en-US">Gross Notional Volume of Open Derivatives</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element949" xlink:to="label949" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="element950" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element950" xlink:to="label950" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="element951" />
    <label xlink:type="resource" xlink:label="label951" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_AssetsFairValueDisclosureAbstract_en-US">Assets:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element951" xlink:to="label951" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="element952" />
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="element953" />
    <label xlink:type="resource" xlink:label="label953" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_LiabilitiesFairValueDisclosureAbstract_en-US">Liabilities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element953" xlink:to="label953" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue" xlink:label="element954" />
    <label xlink:type="resource" xlink:label="label954" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_en-US">Equity Method Investment Summarized Financial Information Revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element954" xlink:to="label954" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue" xlink:label="element955" />
    <label xlink:type="resource" xlink:label="label955" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US" id="terse_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_en-US">Operating revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element955" xlink:to="label955" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCostOfSales" xlink:label="element956" />
    <label xlink:type="resource" xlink:label="label956" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCostOfSales_en-US">Operating expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element956" xlink:to="label956" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCostOfSales" xlink:label="element957" />
    <label xlink:type="resource" xlink:label="label957" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCostOfSales_en-US">Equity Method Investment Summarized Financial Information Cost Of Sales</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element957" xlink:to="label957" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="element958" />
    <label xlink:type="resource" xlink:label="label958" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US" id="negatedLabel_us-gaap_OtherNoncashIncomeExpense_en-US">Other items</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element958" xlink:to="label958" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="element959" />
    <label xlink:type="resource" xlink:label="label959" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_OtherNoncashIncomeExpense_en-US">Other Noncash Income (Expense)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element959" xlink:to="label959" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RangeAxis" xlink:label="element960" />
    <label xlink:type="resource" xlink:label="label960" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_RangeAxis_en-US">Range [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element960" xlink:to="label960" />
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    <label xlink:type="resource" xlink:label="label961" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_RangeMember_en-US">Range [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element961" xlink:to="label961" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MaximumMember" xlink:label="element962" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element962" xlink:to="label962" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element963" xlink:to="label963" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="element964" />
    <label xlink:type="resource" xlink:label="label964" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_OtherReceivablesNetCurrent_en-US">Other accounts receivables, less reserves</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element964" xlink:to="label964" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element965" xlink:to="label965" />
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    <label xlink:type="resource" xlink:label="label966" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet_en-US">Other noncurrent items, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="element966" xlink:to="label966" />
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