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  <xsd:element name="AcceleratedLeaseCostsAndDepreciationRelatedToRestructuringExpense" id="teg_AcceleratedLeaseCostsAndDepreciationRelatedToRestructuringExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AccumulatedPensionCostsMember" id="teg_AccumulatedPensionCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AdditionalAmountExpensedAfterReversalOfRulings" id="teg_AdditionalAmountExpensedAfterReversalOfRulings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AdjustableFirstAndRefundingMortgageSeriesOOBondsDue2037Member" id="teg_AdjustableFirstAndRefundingMortgageSeriesOOBondsDue2037Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AdvertisingCostsCapitalizedDirectResponseAdvertisingAmortizationPeriod" id="teg_AdvertisingCostsCapitalizedDirectResponseAdvertisingAmortizationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Age65AndOlderMember" id="teg_Age65AndOlderMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AgeCriteriaForMedicalBenefitsAxis" id="teg_AgeCriteriaForMedicalBenefitsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AgeForMedicalBenefitsDomain" id="teg_AgeForMedicalBenefitsDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AggregateIntrinsicValueAbstract" id="teg_AggregateIntrinsicValueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AllowanceForFundsUsedDuringConstructionLineItems" id="teg_AllowanceForFundsUsedDuringConstructionLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AllowanceForFundsUsedDuringConstructionTable" id="teg_AllowanceForFundsUsedDuringConstructionTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AmountOfSettlementAgreement" id="teg_AmountOfSettlementAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AmountRefundedToCustomers" id="teg_AmountRefundedToCustomers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AnticipatedAdditionalRefundsResultingFromFavorableRulings" id="teg_AnticipatedAdditionalRefundsResultingFromFavorableRulings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ApprovedAmountOfEnergyEfficiencyCostsPerYear" id="teg_ApprovedAmountOfEnergyEfficiencyCostsPerYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ApprovedMaximumAmountOfAnnualDeferralRefund" id="teg_ApprovedMaximumAmountOfAnnualDeferralRefund" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ApprovedPeriodForProgram" id="teg_ApprovedPeriodForProgram" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ApprovedUncollectiblesExpenseTrackingMechanism" id="teg_ApprovedUncollectiblesExpenseTrackingMechanism" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="AssetRetirementObligationAdditionsAndRevisionOfEstimate" id="teg_AssetRetirementObligationAdditionsAndRevisionOfEstimate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AssociatedNorthernMaineRetailElectricSalesContractsMember" id="teg_AssociatedNorthernMaineRetailElectricSalesContractsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExpensesRelatedToElectricDecoupling" id="teg_ExpensesRelatedToElectricDecoupling" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ReversalOfExpensesRelatedToElectricDecoupling" id="teg_ReversalOfExpensesRelatedToElectricDecoupling" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AuthorizedRateIncreaseDecreaseInRevenue" id="teg_AuthorizedRateIncreaseDecreaseInRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ReserveRelatedToElectricDecoupling" id="teg_ReserveRelatedToElectricDecoupling" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AuthorizedPercentOfCapitalStructureComposedOfEquity" id="teg_AuthorizedPercentOfCapitalStructureComposedOfEquity" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfIntervenersFiledAppealsOfRateOrder" id="teg_NumberOfIntervenersFiledAppealsOfRateOrder" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="AuthorizedRateOfReturnOnCommonEquity" id="teg_AuthorizedRateOfReturnOnCommonEquity" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="EPAOrderOperationPermitDueToWPAndLMaximumPeriod" id="teg_EPAOrderOperationPermitDueToWPAndLMaximumPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AuthorizedRateOfReturnOnCommonEquityInPreviousOrder" id="teg_AuthorizedRateOfReturnOnCommonEquityInPreviousOrder" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="AverageCostOfSharesHeldInEmployeeTrust" id="teg_AverageCostOfSharesHeldInEmployeeTrust" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BeforeAge65Member" id="teg_BeforeAge65Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WestonAndPulliamPlantsMember" id="teg_WestonAndPulliamPlantsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BillingsReceivedDuringTransitionPeriod" id="teg_BillingsReceivedDuringTransitionPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="BonusDepreciation" id="teg_BonusDepreciation" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CanadianNaturalGasAndWholesaleElectricMarketingAndTradingPortfolioMember" id="teg_CanadianNaturalGasAndWholesaleElectricMarketingAndTradingPortfolioMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContractedCapacityFromVariableInterestEntityPowerPurchaseAgreements" id="teg_ContractedCapacityFromVariableInterestEntityPowerPurchaseAgreements" type="num:powerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="CapitalTransactionsWithSubsidiariesLineItems" id="teg_CapitalTransactionsWithSubsidiariesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalTransactionsWithSubsidiariesTable" id="teg_CapitalTransactionsWithSubsidiariesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashAndCashEquivalentsAndCashFlowSupplementalDisclosuresTextBlock" id="teg_CashAndCashEquivalentsAndCashFlowSupplementalDisclosuresTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashDividendPaidToParentCompany" id="teg_CashDividendPaidToParentCompany" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CashDividendPaymentRestrictions" id="teg_CashDividendPaymentRestrictions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CashFlowHedgeLossDeferredInAccumulatedOtherComprehensiveIncome" id="teg_CashFlowHedgeLossDeferredInAccumulatedOtherComprehensiveIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ChargeTransitionPeriod" id="teg_ChargeTransitionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RefundRemandOrderPeriod" id="teg_RefundRemandOrderPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TrialBasisPeriod" id="teg_TrialBasisPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassActionPECMember" id="teg_ClassActionPECMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CoalSupplyAndTransportationMember" id="teg_CoalSupplyAndTransportationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CollateralAlreadyPostedCash" id="teg_CollateralAlreadyPostedCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="CollateralAlreadyPostedLettersOfCredit" id="teg_CollateralAlreadyPostedLettersOfCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ColumbiaEnergyCenterUnits1And2Member" id="teg_ColumbiaEnergyCenterUnits1And2Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ColumbiaTitleVAirPermitMember" id="teg_ColumbiaTitleVAirPermitMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommitmentsAndContingenciesAbstract" id="teg_CommitmentsAndContingenciesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommodityContractCoalMember" id="teg_CommodityContractCoalMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommodityContractElectricMember" id="teg_CommodityContractElectricMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommodityContractFinancialTransmissionRightsMember" id="teg_CommodityContractFinancialTransmissionRightsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommodityContractNaturalGasMember" id="teg_CommodityContractNaturalGasMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommodityContractPetroleumProductsMember" id="teg_CommodityContractPetroleumProductsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommodityTransactionsGuaranteeMember" id="teg_CommodityTransactionsGuaranteeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommonShareholdersEquityTextBlock" id="teg_CommonShareholdersEquityTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommonStockIssuedEmployeeStockTrustShares" id="teg_CommonStockIssuedEmployeeStockTrustShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ComponentOfOtherIncomeExpenseNonoperatingAxis" id="teg_ComponentOfOtherIncomeExpenseNonoperatingAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ComponentOfOtherIncomeExpenseNonoperatingLineItems" id="teg_ComponentOfOtherIncomeExpenseNonoperatingLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PendingPurchaseDisclosureAbstract" id="teg_PendingPurchaseDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ComponentOfOtherIncomeExpenseNonoperatingNameDomain" id="teg_ComponentOfOtherIncomeExpenseNonoperatingNameDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ComponentOfOtherIncomeExpenseNonoperatingTable" id="teg_ComponentOfOtherIncomeExpenseNonoperatingTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ComprehensiveIncomeLossDisclosureAbstract" id="teg_ComprehensiveIncomeLossDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CompressedNaturalGasFuelingContractAssetsMember" id="teg_CompressedNaturalGasFuelingContractAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CondensedConsolidatingBalanceSheetLineItems" id="teg_CondensedConsolidatingBalanceSheetLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CondensedConsolidatingStatementsOfCashFlowsLineItems" id="teg_CondensedConsolidatingStatementsOfCashFlowsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CondensedConsolidatingStatementsOfOperationsLineItems" id="teg_CondensedConsolidatingStatementsOfOperationsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ConservationProgramCostsMember" id="teg_ConservationProgramCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContingentCollateralAggregateFairValue" id="teg_ContingentCollateralAggregateFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CorrectiveActionsTakenForNoticeOfViolationsIssued" id="teg_CorrectiveActionsTakenForNoticeOfViolationsIssued" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="CostRecoveryLimitNumberOfYears" id="teg_CostRecoveryLimitNumberOfYears" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CustomerOwnedEquipmentModificationsMember" id="teg_CustomerOwnedEquipmentModificationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DePereEnergyCenterMember" id="teg_DePereEnergyCenterMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantReplacementCapitalPercentageOfDebtThatMayNotBoughtBack" id="teg_DebtInstrumentCovenantReplacementCapitalPercentageOfDebtThatMayNotBoughtBack" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentCovenantReplacementCapitalPeriodBeforeRedemptionOrRepurchaseOfDebtAboveMaximumPercentage" id="teg_DebtInstrumentCovenantReplacementCapitalPeriodBeforeRedemptionOrRepurchaseOfDebtAboveMaximumPercentage" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentExpectedFutureSinkingFundAmount" id="teg_DebtInstrumentExpectedFutureSinkingFundAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentInterestPaymentDeferralOptionNumberOfPeriods" id="teg_DebtInstrumentInterestPaymentDeferralOptionNumberOfPeriods" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentInterestPaymentDeferralPeriod" id="teg_DebtInstrumentInterestPaymentDeferralPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DecouplingMember" id="teg_DecouplingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredCompensationArrangementWithIndividualCostsOfEntitysCommonStockHeldInRabbiTrust" id="teg_DeferredCompensationArrangementWithIndividualCostsOfEntitysCommonStockHeldInRabbiTrust" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DeferredCompensationArrangementWithIndividualPercentageOfCompensationOrFeesThatCanBeDeferred" id="teg_DeferredCompensationArrangementWithIndividualPercentageOfCompensationOrFeesThatCanBeDeferred" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredCompensationTrustAndTreasuryStockMember" id="teg_DeferredCompensationTrustAndTreasuryStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsExpiringBetween2012And2017" id="teg_DeferredTaxAssetsExpiringBetween2012And2017" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsExpiringBetween2012And2029Abstract" id="teg_DeferredTaxAssetsExpiringBetween2012And2029Abstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsExpiringBetween2018And2023" id="teg_DeferredTaxAssetsExpiringBetween2018And2023" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsExpiringBetween2024And2029" id="teg_DeferredTaxAssetsExpiringBetween2024And2029" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsHedgingAndDerivativeTransactions" id="teg_DeferredTaxAssetsHedgingAndDerivativeTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsTaxCreditCarryforwardsForeignCarryforwardPeriod" id="teg_DeferredTaxAssetsTaxCreditCarryforwardsForeignCarryforwardPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusinessCarryforwardPeriod" id="teg_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusinessCarryforwardPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxAssetsTaxCreditCarryforwardsState" id="teg_DeferredTaxAssetsTaxCreditCarryforwardsState" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsTaxCreditCarryforwardsStateCarryforwardPeriod" id="teg_DeferredTaxAssetsTaxCreditCarryforwardsStateCarryforwardPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredTaxLiabilitiesEmployeeBenefits" id="teg_DeferredTaxLiabilitiesEmployeeBenefits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DefinedBenefitPlanAmortizationOfMergerRelatedRegulatoryAdjustment" id="teg_DefinedBenefitPlanAmortizationOfMergerRelatedRegulatoryAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanAmortizationOfNetGainsLossesInNextFiscalYear" id="teg_DefinedBenefitPlanAmortizationOfNetGainsLossesInNextFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanAmortizationOfNetPriorServiceCostCreditInNextFiscalYear" id="teg_DefinedBenefitPlanAmortizationOfNetPriorServiceCostCreditInNextFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanAmortizationOfNetTransitionAssetObligationInNextFiscalYear" id="teg_DefinedBenefitPlanAmortizationOfNetTransitionAssetObligationInNextFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanAmountsThatWillBeAmortizedInNextFiscalYearAbstract" id="teg_DefinedBenefitPlanAmountsThatWillBeAmortizedInNextFiscalYearAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationMedicalCostTrendRate" id="teg_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationMedicalCostTrendRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationUltimateHealthCareCostTrendRate" id="teg_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationUltimateHealthCareCostTrendRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDentalCostTrendRate" id="teg_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDentalCostTrendRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostMedicalCostTrendRate" id="teg_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostMedicalCostTrendRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostUltimateHealthCareCostTrendRate" id="teg_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostUltimateHealthCareCostTrendRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanAssumptionsUsedExpectedLongTermReturnOnAssetsDuringNextFiscalYear" id="teg_DefinedBenefitPlanAssumptionsUsedExpectedLongTermReturnOnAssetsDuringNextFiscalYear" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanChangesInFairValueRecognitionPeriod" id="teg_DefinedBenefitPlanChangesInFairValueRecognitionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanDifferencesBetweenActualInvestmentReturnsAndExpectedReturnOnPlanAssetsRecognitionPeriod" id="teg_DefinedBenefitPlanDifferencesBetweenActualInvestmentReturnsAndExpectedReturnOnPlanAssetsRecognitionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanFairValueOfPlanAssets401hOtherBenefitPlanAssetsInvestedAsPensionAssets" id="teg_DefinedBenefitPlanFairValueOfPlanAssets401hOtherBenefitPlanAssetsInvestedAsPensionAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DefinedBenefitPlanFairValueOfPlanAssetsAbstract" id="teg_DefinedBenefitPlanFairValueOfPlanAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanFairValueOfPlanAssetsAfter401hAdjustment" id="teg_DefinedBenefitPlanFairValueOfPlanAssetsAfter401hAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DefinedBenefitPlanFairValueOfPlanAssetsBefore401hAdjustment" id="teg_DefinedBenefitPlanFairValueOfPlanAssetsBefore401hAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DefinedBenefitPlanNetRegulatoryAssets" id="teg_DefinedBenefitPlanNetRegulatoryAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DefinedBenefitPlanNetRegulatoryAssetsAbstract" id="teg_DefinedBenefitPlanNetRegulatoryAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanNetRegulatoryAssetsMergerRelatedRegulatoryAdjustment" id="teg_DefinedBenefitPlanNetRegulatoryAssetsMergerRelatedRegulatoryAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DefinedBenefitPlanNetRegulatoryAssetsNetActuarialGainsLosses" id="teg_DefinedBenefitPlanNetRegulatoryAssetsNetActuarialGainsLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DefinedBenefitPlanNetRegulatoryAssetsPriorServiceCostCredit" id="teg_DefinedBenefitPlanNetRegulatoryAssetsPriorServiceCostCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DefinedBenefitPlanNetRegulatoryAssetsRegulatoryDeferral" id="teg_DefinedBenefitPlanNetRegulatoryAssetsRegulatoryDeferral" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DefinedBenefitPlanNetRegulatoryAssetsTransitionAssetsObligations" id="teg_DefinedBenefitPlanNetRegulatoryAssetsTransitionAssetsObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DefinedBenefitPlanNumberOfNonContributoryQualifiedPlans" id="teg_DefinedBenefitPlanNumberOfNonContributoryQualifiedPlans" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanRegulatoryDeferral" id="teg_DefinedBenefitPlanRegulatoryDeferral" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanTransfersIntoLevel3" id="teg_DefinedBenefitPlanTransfersIntoLevel3" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanTransfersOutOfLevel3" id="teg_DefinedBenefitPlanTransfersOutOfLevel3" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanTransitionObligationRecognitionPeriod" id="teg_DefinedBenefitPlanTransitionObligationRecognitionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeActivityAxis" id="teg_DerivativeActivityAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeActivityDomain" id="teg_DerivativeActivityDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeInstrumentsAndHedgesLiabilitiesGrossNoncurrent" id="teg_DerivativeInstrumentsAndHedgesLiabilitiesGrossNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DerivativeInstrumentsGainLossCashFlowHedge" id="teg_DerivativeInstrumentsGainLossCashFlowHedge" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsCashFlowHedgeGainLossNet" id="teg_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsCashFlowHedgeGainLossNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DerivativeOtherTransactionsMember" id="teg_DerivativeOtherTransactionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativePurchasesMember" id="teg_DerivativePurchasesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeSalesMember" id="teg_DerivativeSalesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativesMember" id="teg_DerivativesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativesNotDesignatedAsHedgesFinancialStatementLocationAxis" id="teg_DerivativesNotDesignatedAsHedgesFinancialStatementLocationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DirectResponseAdvertisingDisclosureTextBlock" id="teg_DirectResponseAdvertisingDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisposalGroupDerivativeInstrumentsAndHedgesAssetsCurrent" id="teg_DisposalGroupDerivativeInstrumentsAndHedgesAssetsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DisposalGroupDerivativeInstrumentsAndHedgesAssetsNoncurrent" id="teg_DisposalGroupDerivativeInstrumentsAndHedgesAssetsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DisposalGroupDerivativeInstrumentsAndHedgesLiabilitiesCurrent" id="teg_DisposalGroupDerivativeInstrumentsAndHedgesLiabilitiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DisposalGroupDerivativeInstrumentsAndHedgesLiabilitiesNoncurrent" id="teg_DisposalGroupDerivativeInstrumentsAndHedgesLiabilitiesNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationAssetRetirementObligations" id="teg_DisposalGroupIncludingDiscontinuedOperationAssetRetirementObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DisposalGroupsFinancialInformationDisclosureOfRiskManagementLiabilitiesCurrent" id="teg_DisposalGroupsFinancialInformationDisclosureOfRiskManagementLiabilitiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DisposalGroupsFinancialInformationDisclosureOfRiskManagementAssetCurrent" id="teg_DisposalGroupsFinancialInformationDisclosureOfRiskManagementAssetCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DisposalGroupsFinancialInformationDisclosureOfRiskManagementAssetNoncurrent" id="teg_DisposalGroupsFinancialInformationDisclosureOfRiskManagementAssetNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DisposalGroupsFinancialInformationDisclosureOfRiskManagementLiabilitiesNoncurrent" id="teg_DisposalGroupsFinancialInformationDisclosureOfRiskManagementLiabilitiesNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DisposalGroupsFinancialInformationDisclosureOfTotalAssets" id="teg_DisposalGroupsFinancialInformationDisclosureOfTotalAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DisposalGroupsFinancialInformationDisclosureOfTotalLiabilities" id="teg_DisposalGroupsFinancialInformationDisclosureOfTotalLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DividendPaymentRestrictionsLineItems" id="teg_DividendPaymentRestrictionsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DividendPaymentRestrictionsDebtToCapitalizationRatio" id="teg_DividendPaymentRestrictionsDebtToCapitalizationRatio" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DividendPaymentRestrictionsPercentageOfCommonStockholdersEquityToTotalCapitalization" id="teg_DividendPaymentRestrictionsPercentageOfCommonStockholdersEquityToTotalCapitalization" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DocumentAndEntityInformationAbstract" id="teg_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EPAOrderDirectedWDNRResolveObjectionsWithinPeriodInDays" id="teg_EPAOrderDirectedWDNRResolveObjectionsWithinPeriodInDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EPAReviewPeriodInDays" id="teg_EPAReviewPeriodInDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EPASettlementsWithOtherUtilitiesMember" id="teg_EPASettlementsWithOtherUtilitiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EdgewaterUnitNumber4Member" id="teg_EdgewaterUnitNumber4Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationBenefitsAndCompensation" id="teg_EffectiveIncomeTaxRateReconciliationBenefitsAndCompensation" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationGoodwill" id="teg_EffectiveIncomeTaxRateReconciliationGoodwill" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ElectricMember" id="teg_ElectricMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ElectricTransmissionInvestmentMember" id="teg_ElectricTransmissionInvestmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ElectricUtilityMember" id="teg_ElectricUtilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmissionAllowancesMember" id="teg_EmissionAllowancesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeeRelatedRestructuringExpense" id="teg_EmployeeRelatedRestructuringExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EmployeeRelatedRestructuringMember" id="teg_EmployeeRelatedRestructuringMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromDistributionOfShares" id="teg_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromDistributionOfShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EnergyAndNaturalGasSupplyMember" id="teg_EnergyAndNaturalGasSupplyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnergyCostsReceivableThroughRateAdjustmentsMember" id="teg_EnergyCostsReceivableThroughRateAdjustmentsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnergyCostsRefundableThroughRateAdjustmentsMember" id="teg_EnergyCostsRefundableThroughRateAdjustmentsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnergyEfficiencyProgramMember" id="teg_EnergyEfficiencyProgramMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnergyManagementConsultingBusinessMember" id="teg_EnergyManagementConsultingBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnvironmentIndemnificationGuaranteeOtherMember" id="teg_EnvironmentIndemnificationGuaranteeOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnvironmentalComplianceObligationsAbstract" id="teg_EnvironmentalComplianceObligationsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityContributionsFromParent" id="teg_EquityContributionsFromParent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationLongTermDebt" id="teg_EquityMethodInvestmentSummarizedFinancialInformationLongTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOtherExpenses" id="teg_EquityMethodInvestmentSummarizedFinancialInformationOtherExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilitiesNoncurrent" id="teg_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilitiesNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentsNumberOfHydroelectricPlantsOperated" id="teg_EquityMethodInvestmentsNumberOfHydroelectricPlantsOperated" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentsPortionOfEnergyOutputSoldDenominator" id="teg_EquityMethodInvestmentsPortionOfEnergyOutputSoldDenominator" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentsPortionOfEnergyOutputSoldNumerator" id="teg_EquityMethodInvestmentsPortionOfEnergyOutputSoldNumerator" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentsRemainingPortionOfEnergyOutputSoldDenominator" id="teg_EquityMethodInvestmentsRemainingPortionOfEnergyOutputSoldDenominator" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentsRemainingPortionOfEnergyOutputSoldNumerator" id="teg_EquityMethodInvestmentsRemainingPortionOfEnergyOutputSoldNumerator" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentsRollForward" id="teg_EquityMethodInvestmentsRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EstimatedEnvironmentalCapitalCosts" id="teg_EstimatedEnvironmentalCapitalCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EstimatedFuelRefund" id="teg_EstimatedFuelRefund" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AnnualCapOnServicesUnderDecouplingMechanism" id="teg_AnnualCapOnServicesUnderDecouplingMechanism" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AuthorizedRateAnnualCapUnderDecouplingMechanism" id="teg_AuthorizedRateAnnualCapUnderDecouplingMechanism" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RecoveryOfIncomeTaxAmountsPreviouslyExpensed" id="teg_RecoveryOfIncomeTaxAmountsPreviouslyExpensed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueAbstract" id="teg_FairValueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable" id="teg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" id="teg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" id="teg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" id="teg_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssetsAndLiabilitiesTransfersBetweenTheLevelsOfTheFairValueHierarchyLineItems" id="teg_FairValueAssetsAndLiabilitiesTransfersBetweenTheLevelsOfTheFairValueHierarchyLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueInputsQuantitativeInformationLineItems" id="teg_FairValueInputsQuantitativeInformationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssetsAndLiabilitiesTransfersBetweenTheLevelsOfTheFairValueHierarchyTable" id="teg_FairValueAssetsAndLiabilitiesTransfersBetweenTheLevelsOfTheFairValueHierarchyTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueInputsQuantitativeInformationTable" id="teg_FairValueInputsQuantitativeInformationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssetsLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings" id="teg_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueLevel1ToLevel3TransfersAmount" id="teg_FairValueLevel1ToLevel3TransfersAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueLevel2ToLevel3TransfersAmount" id="teg_FairValueLevel2ToLevel3TransfersAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueLevel3ToLevel1TransfersAmount" id="teg_FairValueLevel3ToLevel1TransfersAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueLevel3ToLevel2TransfersAmount" id="teg_FairValueLevel3ToLevel2TransfersAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityGainLossIncludedInEarnings" id="teg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityGainLossIncludedInEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityPurchases" id="teg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityPurchases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityPurchasesAndSettlements" id="teg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityPurchasesAndSettlements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitySales" id="teg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitySales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitySettlements" id="teg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitySettlements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersIntoLevel3" id="teg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersIntoLevel3" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersNet" id="teg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersOutOfLevel3" id="teg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersOutOfLevel3" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DiscontinuedOperationUnrealizedIncomeLossFromDiscontinuedOperationBeforeIncomeTax" id="teg_DiscontinuedOperationUnrealizedIncomeLossFromDiscontinuedOperationBeforeIncomeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityUnrealizedLossesRecordedAsRegulatoryAssetsOrLiabilities" id="teg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityUnrealizedLossesRecordedAsRegulatoryAssetsOrLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityValue" id="teg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="FederalEnergyRegulatoryCommissionMember" id="teg_FederalEnergyRegulatoryCommissionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinancialAssuranceRequiredForWaukeganCokePlantSite" id="teg_FinancialAssuranceRequiredForWaukeganCokePlantSite" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FinancialStatementLocationDomain" id="teg_FinancialStatementLocationDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedAndIndefiniteLivedIntangibleAssetsAndLiabilitiesByMajorClassAxis" id="teg_FiniteLivedAndIndefiniteLivedIntangibleAssetsAndLiabilitiesByMajorClassAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedAndIndefiniteLivedIntangibleAssetsAndLiabilitiesByMajorClassDomain" id="teg_FiniteLivedAndIndefiniteLivedIntangibleAssetsAndLiabilitiesByMajorClassDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedAndIndefiniteLivedIntangibleAssetsAndLiabilitiesByMajorClassTable" id="teg_FiniteLivedAndIndefiniteLivedIntangibleAssetsAndLiabilitiesByMajorClassTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedAndIndefiniteLivedIntangibleAssetsAndLiabilitiesLineItems" id="teg_FiniteLivedAndIndefiniteLivedIntangibleAssetsAndLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IndefiniteLivedIntangibleAssetsAbstract" id="teg_IndefiniteLivedIntangibleAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FirstMortgageBondsMSeries5PercentBondsDue2028Member" id="teg_FirstMortgageBondsMSeries5PercentBondsDue2028Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FirstMortgageBondsN2Series4.625PercentBondsDue2013Member" id="teg_FirstMortgageBondsN2Series4.625PercentBondsDue2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FirstMortgageBondsOSeries7PercentBondsDue2013Member" id="teg_FirstMortgageBondsOSeries7PercentBondsDue2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedFirstAndRefundingMortgageKKSeries5PercentBondsDue2033Member" id="teg_FixedFirstAndRefundingMortgageKKSeries5PercentBondsDue2033Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedFirstAndRefundingMortgageNN2Series4.625PercentBondsDue2013Member" id="teg_FixedFirstAndRefundingMortgageNN2Series4.625PercentBondsDue2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedFirstAndRefundingMortgageQQSeries4.875PercentBondsDue2038Member" id="teg_FixedFirstAndRefundingMortgageQQSeries4.875PercentBondsDue2038Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedFirstAndRefundingMortgageRRSeries4.3PercentBondsDue2035Member" id="teg_FixedFirstAndRefundingMortgageRRSeries4.3PercentBondsDue2035Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedFirstAndRefundingMortgageSSSeries7PercentBondsDue2013Member" id="teg_FixedFirstAndRefundingMortgageSSSeries7PercentBondsDue2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedFirstAndRefundingMortgageTTSeries8PercentBondsDue2018Member" id="teg_FixedFirstAndRefundingMortgageTTSeries8PercentBondsDue2018Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedFirstAndRefundingMortgageUUSeries4.63PercentBondsDue2019Member" id="teg_FixedFirstAndRefundingMortgageUUSeries4.63PercentBondsDue2019Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedFirstAndRefundingMortgageVVSeries2.125PercentBondsDue2030Member" id="teg_FixedFirstAndRefundingMortgageVVSeries2.125PercentBondsDue2030Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedFirstAndRefundingMortgageWWSeries2.625PercentBondsDue2033Member" id="teg_FixedFirstAndRefundingMortgageWWSeries2.625PercentBondsDue2033Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedFirstAndRefundingMortgageXXSeries2.21PercentBondsDue2016Member" id="teg_FixedFirstAndRefundingMortgageXXSeries2.21PercentBondsDue2016Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FuelCostOverCollectionsMember" id="teg_FuelCostOverCollectionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GenerationBusinessesInNewBrunswickCanadaNorthernMaineMember" id="teg_GenerationBusinessesInNewBrunswickCanadaNorthernMaineMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GoodwillImpairmentLossAfterTax" id="teg_GoodwillImpairmentLossAfterTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="GuaranteeObligationsByTypeAxis" id="teg_GuaranteeObligationsByTypeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GuaranteeObligationsByTypeDomain" id="teg_GuaranteeObligationsByTypeDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GuaranteeObligationsMaximumExposureExpireLessThanOneYear" id="teg_GuaranteeObligationsMaximumExposureExpireLessThanOneYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="GuaranteeObligationsMaximumExposureExpireOverFiveYears" id="teg_GuaranteeObligationsMaximumExposureExpireOverFiveYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="GuaranteeObligationsMaximumExposureExpireOverThreeYears" id="teg_GuaranteeObligationsMaximumExposureExpireOverThreeYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="GuaranteeObligationsMaximumExposureExpireWithinFourToFiveYears" id="teg_GuaranteeObligationsMaximumExposureExpireWithinFourToFiveYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="GuaranteeObligationsMaximumExposureExpireWithinOneToThreeYears" id="teg_GuaranteeObligationsMaximumExposureExpireWithinOneToThreeYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="GuaranteeObligationsMaximumExposureRelatedToOpenTransactions" id="teg_GuaranteeObligationsMaximumExposureRelatedToOpenTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="HoldingCompanyAndOtherMember" id="teg_HoldingCompanyAndOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IBSAndPECMember" id="teg_IBSAndPECMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IBSMember" id="teg_IBSMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="INDUSolarHoldingsLLCMember" id="teg_INDUSolarHoldingsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IllinoisNSGMember" id="teg_IllinoisNSGMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IllinoisPGLAndNSGMember" id="teg_IllinoisPGLAndNSGMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IllinoisPGLMember" id="teg_IllinoisPGLMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ImpairmentLossesOfPropertyPlantAndEquipmentTextBlock" id="teg_ImpairmentLossesOfPropertyPlantAndEquipmentTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ImpairmentLossesOnPropertyPlantAndEquipmentDisclosureAbstract" id="teg_ImpairmentLossesOnPropertyPlantAndEquipmentDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ImpairmentOfLongLivedAssetsHeldForUseNumberOfNaturalGasFiredGenerationPlants" id="teg_ImpairmentOfLongLivedAssetsHeldForUseNumberOfNaturalGasFiredGenerationPlants" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeLossFromEquityMethodInvestmentsInExcessOfDividends" id="teg_IncomeLossFromEquityMethodInvestmentsInExcessOfDividends" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxConsolidatedReturnInclusionThreshold" id="teg_IncomeTaxConsolidatedReturnInclusionThreshold" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxExpenseBenefitNetOperatingLossCarryforwards" id="teg_IncomeTaxExpenseBenefitNetOperatingLossCarryforwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxExpenseBenefitUnrecognizedTaxBenefits" id="teg_IncomeTaxExpenseBenefitUnrecognizedTaxBenefits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxInvestmentTaxCreditPolicyTextBlock" id="teg_IncomeTaxInvestmentTaxCreditPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxReconciliationBenefitsAndCompensation" id="teg_IncomeTaxReconciliationBenefitsAndCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxReconciliationDeductionsMedicarePrescriptionDrugBenefitSubsidyAdditionalReversal" id="teg_IncomeTaxReconciliationDeductionsMedicarePrescriptionDrugBenefitSubsidyAdditionalReversal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxReconciliationGoodwill" id="teg_IncomeTaxReconciliationGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxReconciliationIncreaseDecreaseInDeferredIncomeTaxExpenseBenefit" id="teg_IncomeTaxReconciliationIncreaseDecreaseInDeferredIncomeTaxExpenseBenefit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxesAdditionalDisclosuresAbstract" id="teg_IncomeTaxesAdditionalDisclosuresAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInAccumulatedOtherComprehensiveIncomeRollForward" id="teg_IncreaseDecreaseInAccumulatedOtherComprehensiveIncomeRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInDeferredIncomeTaxesChangeInTaxRate" id="teg_IncreaseDecreaseInDeferredIncomeTaxesChangeInTaxRate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInTemporaryLIFOLiquidationCredit" id="teg_IncreaseDecreaseInTemporaryLIFOLiquidationCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseInNonregulatedRevenue" id="teg_IncreaseInNonregulatedRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IndemnificationAndWorkersCompensationGuaranteeOtherMember" id="teg_IndemnificationAndWorkersCompensationGuaranteeOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InsuranceRecoveriesReceived" id="teg_InsuranceRecoveriesReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IntangibleAssetsAndLiabilitiesExcludingGoodwillGross" id="teg_IntangibleAssetsAndLiabilitiesExcludingGoodwillGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="IntangibleAssetsAndLiabilitiesExcludingGoodwillNet" id="teg_IntangibleAssetsAndLiabilitiesExcludingGoodwillNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="IntegrysEnergyServicesMember" id="teg_IntegrysEnergyServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IntegrysTransportationFuelsLLCMember" id="teg_IntegrysTransportationFuelsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InterestAmountRefundedToCustomers" id="teg_InterestAmountRefundedToCustomers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="InterestPaidRelatedParty" id="teg_InterestPaidRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="InterestPayableRelatedPartiesCurrent" id="teg_InterestPayableRelatedPartiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="InterestReceivableRelatedPartiesCurrent" id="teg_InterestReceivableRelatedPartiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="InternationalEquitySecuritiesMember" id="teg_InternationalEquitySecuritiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IntervenersTestimonyMember" id="teg_IntervenersTestimonyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InvestmentsInSubsidiaries" id="teg_InvestmentsInSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="JointlyOwnedUtilityFacilitiesDisclosureAbstract" id="teg_JointlyOwnedUtilityFacilitiesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="JointlyOwnedUtilityFacilitiesTextBlock" id="teg_JointlyOwnedUtilityFacilitiesTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="JointlyOwnedUtilityPlantProportionateOwnershipShareOfRatedCapacity" id="teg_JointlyOwnedUtilityPlantProportionateOwnershipShareOfRatedCapacity" type="num:powerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="KeyExecutiveLifeInsuranceIncomeMember" id="teg_KeyExecutiveLifeInsuranceIncomeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LGSRenewablesILCMember" id="teg_LGSRenewablesILCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LandfillGasToElectricityFacilityMember" id="teg_LandfillGasToElectricityFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LiabilityOfRefundToCustomers" id="teg_LiabilityOfRefundToCustomers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LimitationAmountForDividendPaymentRestrictions" id="teg_LimitationAmountForDividendPaymentRestrictions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LongTermDebtRelatedPartiesMaturitiesRepaymentsOfPrincipalAfterYearFive" id="teg_LongTermDebtRelatedPartiesMaturitiesRepaymentsOfPrincipalAfterYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LongTermNotes5.25PercentDue2011Member" id="teg_LongTermNotes5.25PercentDue2011Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongTermNotesDue2021Member" id="teg_LongTermNotesDue2021Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongTermNotesPayableRelatedPartiesCurrent" id="teg_LongTermNotesPayableRelatedPartiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LongTermSupplyContractsObligationAmount" id="teg_LongTermSupplyContractsObligationAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LongTermSupplyContractsObligationAmountExtended" id="teg_LongTermSupplyContractsObligationAmountExtended" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LossContingencySettlementAgreementConsiderationAmount" id="teg_LossContingencySettlementAgreementConsiderationAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
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  <xsd:element name="MGUMember" id="teg_MGUMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ManufacturedGasPlantRemediationMember" id="teg_ManufacturedGasPlantRemediationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfPreviousPeriodDividendAsRestrictionOnCurrentPeriodDividends" id="teg_PercentageOfPreviousPeriodDividendAsRestrictionOnCurrentPeriodDividends" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MercuryEmissionMember" id="teg_MercuryEmissionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MergerAndAcquisitionRelatedPensionAndOtherPostretirementBenefitCostsMember" id="teg_MergerAndAcquisitionRelatedPensionAndOtherPostretirementBenefitCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MichiganMGUMember" id="teg_MichiganMGUMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MichiganUPPCOMember" id="teg_MichiganUPPCOMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommonEquityRatioToBeMaintained" id="teg_CommonEquityRatioToBeMaintained" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MinnesotaMember" id="teg_MinnesotaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NSGMember" id="teg_NSGMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasMember" id="teg_NaturalGasMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasPriceBenchmark" id="teg_NaturalGasPriceBenchmark" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasSupplyAndTransportationMember" id="teg_NaturalGasSupplyAndTransportationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasUtilityMember" id="teg_NaturalGasUtilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NatureOfOperationsPolicyTextBlock" id="teg_NatureOfOperationsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NetContributionsFromNoncontrollingParties" id="teg_NetContributionsFromNoncontrollingParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NetIncomeLossAvailableToCommonStockholdersIncludingNoncontrollingInterest" id="teg_NetIncomeLossAvailableToCommonStockholdersIncludingNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NetRegulatoryAssetForRegulatoryTaxEffects" id="teg_NetRegulatoryAssetForRegulatoryTaxEffects" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="NonregulatedCostOfSales" id="teg_NonregulatedCostOfSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="NonregulatedEasementsMember" id="teg_NonregulatedEasementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonregulatedRevenueMember" id="teg_NonregulatedRevenueMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonregulatedRevenueReclassifiedFromAOCIMember" id="teg_NonregulatedRevenueReclassifiedFromAOCIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonutilityAndNonregulatedOperationsMember" id="teg_NonutilityAndNonregulatedOperationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonutilityOperationMember" id="teg_NonutilityOperationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable3.35PercentDue2018Member" id="teg_NotesReceivable3.35PercentDue2018Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable5.041PercentDue2020Member" id="teg_NotesReceivable5.041PercentDue2020Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable5.25PercentDue2013Member" id="teg_NotesReceivable5.25PercentDue2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable5.72PercentDue2013Member" id="teg_NotesReceivable5.72PercentDue2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable5.76PercentDue2016Member" id="teg_NotesReceivable5.76PercentDue2016Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable5.98PercentDue2021Member" id="teg_NotesReceivable5.98PercentDue2021Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable6.03PercentDue2013Member" id="teg_NotesReceivable6.03PercentDue2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable6.059PercentDue2017Member" id="teg_NotesReceivable6.059PercentDue2017Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable6.16PercentDue2016Member" id="teg_NotesReceivable6.16PercentDue2016Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable6.40PercentDue2021Member" id="teg_NotesReceivable6.40PercentDue2021Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable6.865PercentDue2014Member" id="teg_NotesReceivable6.865PercentDue2014Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable7.35PercentDue2016Member" id="teg_NotesReceivable7.35PercentDue2016Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NotesReceivable8.76PercentDue2015Member" id="teg_NotesReceivable8.76PercentDue2015Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NoticeOfViolationsDismissed" id="teg_NoticeOfViolationsDismissed" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NoticeOfViolationsReferredToStateJusticeDepartment" id="teg_NoticeOfViolationsReferredToStateJusticeDepartment" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfCentralizedServiceCompanies" id="teg_NumberOfCentralizedServiceCompanies" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfCounterpartyOrIndustryAccountingForOverThresholdForDisclosurePercentage" id="teg_NumberOfCounterpartyOrIndustryAccountingForOverThresholdForDisclosurePercentage" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodOfPayablesOutstanding" id="teg_PeriodOfPayablesOutstanding" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfIssuesFavorableRulings" id="teg_NumberOfIssuesFavorableRulings" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfNonregulatedCompressedNaturalGasFuelingCompanies" id="teg_NumberOfNonregulatedCompressedNaturalGasFuelingCompanies" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfNonregulatedRetailEnergySupplyAndServicesCompanies" id="teg_NumberOfNonregulatedRetailEnergySupplyAndServicesCompanies" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfNoticeOfViolationsForClericalError" id="teg_NumberOfNoticeOfViolationsForClericalError" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfNoticeOfViolationsOfAirPermits" id="teg_NumberOfNoticeOfViolationsOfAirPermits" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfPowerGenerationBusinessesSold" id="teg_NumberOfPowerGenerationBusinessesSold" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfPurchasedPowerAgreementsThatReimburseIndependentPowerProducingEntity" id="teg_NumberOfPurchasedPowerAgreementsThatReimburseIndependentPowerProducingEntity" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfRegulatedElectricAndOrNaturalGasUtilities" id="teg_NumberOfRegulatedElectricAndOrNaturalGasUtilities" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfRemediationSites" id="teg_NumberOfRemediationSites" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfRemediationSitesTransferredToEPASuperfundAlternativeSitesProgram" id="teg_NumberOfRemediationSitesTransferredToEPASuperfundAlternativeSitesProgram" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfSharesAuthorizedForSingleEmployeeWhoIsChiefExecutiveOfficerOfEntityAndThreeHighestCompensatedOfficersOfEntityOrItsSubsidiaries" id="teg_NumberOfSharesAuthorizedForSingleEmployeeWhoIsChiefExecutiveOfficerOfEntityAndThreeHighestCompensatedOfficersOfEntityOrItsSubsidiaries" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfStatesIncludedInCAIRRegulations" id="teg_NumberOfStatesIncludedInCAIRRegulations" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfTransactionsEnteredIntoForDispositions" id="teg_NumberOfTransactionsEnteredIntoForDispositions" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfVendorsSettlementAgreement" id="teg_NumberOfVendorsSettlementAgreement" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OriginalRequestMember" id="teg_OriginalRequestMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherCommoditiesMember" id="teg_OtherCommoditiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherEquityMethodInvesteeMember" id="teg_OtherEquityMethodInvesteeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherFiniteLivedIntangibleAssetsMember" id="teg_OtherFiniteLivedIntangibleAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherFixedIncomeSecuritiesMember" id="teg_OtherFixedIncomeSecuritiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherNonoperatingIncomeExpenseOtherMember" id="teg_OtherNonoperatingIncomeExpenseOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherOperationMember" id="teg_OtherOperationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherRegulatoryAssetsMember" id="teg_OtherRegulatoryAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherRegulatoryLiabilitiesMember" id="teg_OtherRegulatoryLiabilitiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherWholesaleNaturalGasStorageContractsMember" id="teg_OtherWholesaleNaturalGasStorageContractsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PECMember" id="teg_PECMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PELLCMember" id="teg_PELLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PGLAndNSGMember" id="teg_PGLAndNSGMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="PTICNGFuelsLLCMember" id="teg_PTICNGFuelsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AMPTrilliumLLCMember" id="teg_AMPTrilliumLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ParentalGuaranteeMember" id="teg_ParentalGuaranteeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentsForCommissionsTransmissionInterconnection" id="teg_PaymentsForCommissionsTransmissionInterconnection" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaymentsForPurchaseOfNaturalGasToRepayNaturalGasLoans" id="teg_PaymentsForPurchaseOfNaturalGasToRepayNaturalGasLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaymentsFromDerivativeContractsRelatedToDivestiture" id="teg_PaymentsFromDerivativeContractsRelatedToDivestiture" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PeoplesEnergyProductionCompanyMember" id="teg_PeoplesEnergyProductionCompanyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageEmissionReductionRequiredInSecondPhase" id="teg_PercentageEmissionReductionRequiredInSecondPhase" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfCounterpartiesTransferredInTransaction" id="teg_PercentageOfCounterpartiesTransferredInTransaction" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfPriceVarianceFromCostOfFuelAndPurchasedPower" id="teg_PercentageOfPriceVarianceFromCostOfFuelAndPurchasedPower" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PercentageOfRetailJurisdictionalConstructionWorkInProgressExpenditureSubjectToPublicUtilitiesAllowanceForFundsUsedDuringConstructionCalculation" id="teg_PercentageOfRetailJurisdictionalConstructionWorkInProgressExpenditureSubjectToPublicUtilitiesAllowanceForFundsUsedDuringConstructionCalculation" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageRateIncreaseDecrease" id="teg_PercentageRateIncreaseDecrease" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PerformanceStockRightsAndRestrictedStockMember" id="teg_PerformanceStockRightsAndRestrictedStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PerformanceStockRightsEquityAwardsMember" id="teg_PerformanceStockRightsEquityAwardsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PerformanceStockRightsLiabilityAwardMember" id="teg_PerformanceStockRightsLiabilityAwardMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PerformanceStockRightsMember" id="teg_PerformanceStockRightsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodOfProject" id="teg_PeriodOfProject" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodOfRetentionOfCounterPartyPaymentDefaultRisk" id="teg_PeriodOfRetentionOfCounterPartyPaymentDefaultRisk" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MercuryEmissionReductionForElectricGeneratingUnitsAbove150MW" id="teg_MercuryEmissionReductionForElectricGeneratingUnitsAbove150MW" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="MercuryEmissionReductionForElectricGeneratingUnitsAbove25MW" id="teg_MercuryEmissionReductionForElectricGeneratingUnitsAbove25MW" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PercentageMercuryEmissionReductionForElectricGeneratingUnitsAbove150MW" id="teg_PercentageMercuryEmissionReductionForElectricGeneratingUnitsAbove150MW" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PercentageMercuryEmissionReduction" id="teg_PercentageMercuryEmissionReduction" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PinnacleCNGSystemsMember" id="teg_PinnacleCNGSystemsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PowerOutageExpenses" id="teg_PowerOutageExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockOfSubsidiaryDisclosureAbstract" id="teg_PreferredStockOfSubsidiaryDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockOfSubsidiaryMember" id="teg_PreferredStockOfSubsidiaryMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockRedemptionNoticePeriod" id="teg_PreferredStockRedemptionNoticePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockSeries5.00PercentMember" id="teg_PreferredStockSeries5.00PercentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockSeries5.04PercentMember" id="teg_PreferredStockSeries5.04PercentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockSeries5.08PercentMember" id="teg_PreferredStockSeries5.08PercentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockSeries6.76PercentMember" id="teg_PreferredStockSeries6.76PercentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockSeries6.88PercentMember" id="teg_PreferredStockSeries6.88PercentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProbableReductionInTotalExposure" id="teg_ProbableReductionInTotalExposure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromAdvancesToRelatedParties" id="teg_ProceedsFromAdvancesToRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromDerivativeContractsRelatedToDivestiture" id="teg_ProceedsFromDerivativeContractsRelatedToDivestiture" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromSaleOfBorrowedNaturalGas" id="teg_ProceedsFromSaleOfBorrowedNaturalGas" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProceedsFromTransmissionInterconnectionReceived" id="teg_ProceedsFromTransmissionInterconnectionReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ProfessionalFeesRelatedToRestructuringExpense" id="teg_ProfessionalFeesRelatedToRestructuringExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PropertyPlantAndEquipmentImpairmentAnalysisDiscountRate" id="teg_PropertyPlantAndEquipmentImpairmentAnalysisDiscountRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PropertyPlantAndEquipmentNetExcludingConstructionWorkInProgress" id="teg_PropertyPlantAndEquipmentNetExcludingConstructionWorkInProgress" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ProposedAnnualBaseline" id="teg_ProposedAnnualBaseline" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="PublicUtilitiesAllowanceForFundsUsedDuringConstructionAverageRetailRate" id="teg_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAverageRetailRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PublicUtilitiesAllowanceForFundsUsedDuringConstructionAverageWholesaleRate" id="teg_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAverageWholesaleRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PulliamTitleVAirPermitMember" id="teg_PulliamTitleVAirPermitMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PurchaseAndSupplyCommitmentLineItems" id="teg_PurchaseAndSupplyCommitmentLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PurchaseOfDeferredCompensationShares" id="teg_PurchaseOfDeferredCompensationShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PurchaseOrderMember" id="teg_PurchaseOrderMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PurchaseSupplyCommitmentDomain" id="teg_PurchaseSupplyCommitmentDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PurchasedPowerMember" id="teg_PurchasedPowerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="QuarterlyFinancialInformationTableLineItems" id="teg_QuarterlyFinancialInformationTableLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Rates2011Member" id="teg_Rates2011Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Rates2012Member" id="teg_Rates2012Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Rates2013Member" id="teg_Rates2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RateReopenerMember" id="teg_RateReopenerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RateReviewStagesAxis" id="teg_RateReviewStagesAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RateReviewStagesDomain" id="teg_RateReviewStagesDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Rates2008Member" id="teg_Rates2008Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Rates2009Member" id="teg_Rates2009Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Rates2010Member" id="teg_Rates2010Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RatioOfIndebtednessToNetCapitalInPercentage" id="teg_RatioOfIndebtednessToNetCapitalInPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="RebuttalTestimonyMember" id="teg_RebuttalTestimonyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FirstMortgageBondsPSeries3.43PercentBondsMember" id="teg_FirstMortgageBondsPSeries3.43PercentBondsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReceivableBalanceOfChargesAfterSettlementAgreement" id="teg_ReceivableBalanceOfChargesAfterSettlementAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="RecommendedNaturalGasRateIncreaseDecreaseInRevenueHighEndOfRange" id="teg_RecommendedNaturalGasRateIncreaseDecreaseInRevenueHighEndOfRange" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RecommendedNaturalGasRateIncreaseDecreaseInRevenueLowEndOfRange" id="teg_RecommendedNaturalGasRateIncreaseDecreaseInRevenueLowEndOfRange" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RecommendedRateIncreaseDecreaseInRevenue" id="teg_RecommendedRateIncreaseDecreaseInRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RecommendedPercentOfCapitalStructureComposedOfEquity" id="teg_RecommendedPercentOfCapitalStructureComposedOfEquity" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="RecommendedRateOfReturnOnCommonEquity" id="teg_RecommendedRateOfReturnOnCommonEquity" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="RecommendedRateOfReturnOnCommonEquityHighEndOfRange" id="teg_RecommendedRateOfReturnOnCommonEquityHighEndOfRange" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="RecommendedRateOfReturnOnCommonEquityLowEndOfRange" id="teg_RecommendedRateOfReturnOnCommonEquityLowEndOfRange" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ReconciliationOfSharesOutstandingAbstract" id="teg_ReconciliationOfSharesOutstandingAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RecoveriesAndRefundsOfRegulatoryAssetsAndLiabilities" id="teg_RecoveriesAndRefundsOfRegulatoryAssetsAndLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RefundRemandOrder" id="teg_RefundRemandOrder" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RecoveryOfDeferredExpenses" id="teg_RecoveryOfDeferredExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RecoveryOfPriorDeferrals" id="teg_RecoveryOfPriorDeferrals" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RefundOfNonQualifiedDecommissioningTrust" id="teg_RefundOfNonQualifiedDecommissioningTrust" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RegulatedCostOfFuelNaturalGasAndPurchasedPower" id="teg_RegulatedCostOfFuelNaturalGasAndPurchasedPower" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAssetAmortizationPeriod" id="teg_RegulatoryAssetAmortizationPeriod" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAssetRecoveryOfRemediationExpenditures" id="teg_RegulatoryAssetRecoveryOfRemediationExpenditures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="RegulatoryAssetsAndLiabilitiesPolicyTextBlock" id="teg_RegulatoryAssetsAndLiabilitiesPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAssetsCurrentMember" id="teg_RegulatoryAssetsCurrentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAssetsNoncurrentMember" id="teg_RegulatoryAssetsNoncurrentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAssetsPortionOfCostsForWhichCashExpendituresNotYetMade" id="teg_RegulatoryAssetsPortionOfCostsForWhichCashExpendituresNotYetMade" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="RegulatoryAuthoritiesApprovedEEPMember" id="teg_RegulatoryAuthoritiesApprovedEEPMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAuthoritiesApprovedRiderICRMember" id="teg_RegulatoryAuthoritiesApprovedRiderICRMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAuthoritiesApprovedUncollectiblesExpenseTrackingMechanismMember" id="teg_RegulatoryAuthoritiesApprovedUncollectiblesExpenseTrackingMechanismMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAuthoritiesInterimRateOrderMember" id="teg_RegulatoryAuthoritiesInterimRateOrderMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAuthoritiesRateOrderMember" id="teg_RegulatoryAuthoritiesRateOrderMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAuthoritiesApprovedAndUpdatedSettlementAgreementMember" id="teg_RegulatoryAuthoritiesApprovedAndUpdatedSettlementAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAuthoritiesStaffRecommendationMember" id="teg_RegulatoryAuthoritiesStaffRecommendationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAuthorityAxis" id="teg_RegulatoryAuthorityAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryAuthorityDomain" id="teg_RegulatoryAuthorityDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryLiabilitiesCurrentMember" id="teg_RegulatoryLiabilitiesCurrentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryLiabilitiesNoncurrentMember" id="teg_RegulatoryLiabilitiesNoncurrentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryEnvironmentLineItems" id="teg_RegulatoryEnvironmentLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryProgramAxis" id="teg_RegulatoryProgramAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryProgramDomain" id="teg_RegulatoryProgramDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryReviewProceedingsAxis" id="teg_RegulatoryReviewProceedingsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryReviewProceedingsDomain" id="teg_RegulatoryReviewProceedingsDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionAbstract" id="teg_RelatedPartyTransactionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RemovalCostsMember" id="teg_RemovalCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RenewableEnergyCertificatesPortfolioMember" id="teg_RenewableEnergyCertificatesPortfolioMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RenewableEnergyCreditsMember" id="teg_RenewableEnergyCreditsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RepaymentsOfCapitalToParent" id="teg_RepaymentsOfCapitalToParent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RequestedElectricRateIncreaseInRevenue" id="teg_RequestedElectricRateIncreaseInRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RequestedRateIncreaseDecreaseInRevenue" id="teg_RequestedRateIncreaseDecreaseInRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RequestedPercentOfCapitalStructureComposedOfEquity" id="teg_RequestedPercentOfCapitalStructureComposedOfEquity" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="RequestedRateOfReturnOnCommonEquity" id="teg_RequestedRateOfReturnOnCommonEquity" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="RestrictedSharesAndRestrictedShareUnitsMember" id="teg_RestrictedSharesAndRestrictedShareUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RestrictedStockAwardsNetOfForfeitures" id="teg_RestrictedStockAwardsNetOfForfeitures" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="RestructuringCostsOther" id="teg_RestructuringCostsOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RestructuringExpenseBilled" id="teg_RestructuringExpenseBilled" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RestructuringExpensePreviouslyBilledAdjustedAndReduced" id="teg_RestructuringExpensePreviouslyBilledAdjustedAndReduced" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RetailElectricRateRequestMember" id="teg_RetailElectricRateRequestMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RetailNaturalGasRateRequestMember" id="teg_RetailNaturalGasRateRequestMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RetainedEarningsAccumulatedDeficitOtherIncreaseDecrease" id="teg_RetainedEarningsAccumulatedDeficitOtherIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RevolvingCreditFacilityMaturing09June2011Member" id="teg_RevolvingCreditFacilityMaturing09June2011Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevolvingCreditFacilityMaturing13June2011Member" id="teg_RevolvingCreditFacilityMaturing13June2011Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevolvingCreditFacilityMaturing13June2017Member" id="teg_RevolvingCreditFacilityMaturing13June2017Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevolvingCreditFacilityMaturing12June2013Member" id="teg_RevolvingCreditFacilityMaturing12June2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevolvingCreditFacilityMaturing13JuneXXXXMember" id="teg_RevolvingCreditFacilityMaturing13JuneXXXXMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevolvingCreditFacilityMaturing15May2012Member" id="teg_RevolvingCreditFacilityMaturing15May2012Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevolvingCreditFacilityMaturing17May2014Member" id="teg_RevolvingCreditFacilityMaturing17May2014Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevolvingCreditFacilityMaturing17May2016Member" id="teg_RevolvingCreditFacilityMaturing17May2016Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevolvingCreditFacilityMaturing23April2013Member" id="teg_RevolvingCreditFacilityMaturing23April2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevolvingShortTermNotesPayableMaturing13May2011Member" id="teg_RevolvingShortTermNotesPayableMaturing13May2011Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SaleOfGenerationBusinessesInNewBrunswickCanadaAndNorthernMaineAndAssociatedRetailElectricContractsMember" id="teg_SaleOfGenerationBusinessesInNewBrunswickCanadaAndNorthernMaineAndAssociatedRetailElectricContractsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfAnnualUtilityCompositeDepreciationRateTableTextBlock" id="teg_ScheduleOfAnnualUtilityCompositeDepreciationRateTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfAverageAmountOfShortTermBorrowingsOutstandingTableTextBlock" id="teg_ScheduleOfAverageAmountOfShortTermBorrowingsOutstandingTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCapitalTransactionsWithSubsidiariesTableTextBlock" id="teg_ScheduleOfCapitalTransactionsWithSubsidiariesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCashFlowDerivativeInstrumentsReclassificationFromAccumulatedOtherComprehensiveIncomeLossNonregulatedSegmentsTableTextBlock" id="teg_ScheduleOfCashFlowDerivativeInstrumentsReclassificationFromAccumulatedOtherComprehensiveIncomeLossNonregulatedSegmentsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfChangesInEquityMethodInvestmentsTableTextBlock" id="teg_ScheduleOfChangesInEquityMethodInvestmentsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCreditRiskContingentFeaturesCollateralRequirementsTableTextBlock" id="teg_ScheduleOfCreditRiskContingentFeaturesCollateralRequirementsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCreditRiskDerivativeInstrumentsInLiabilityPositionTableTextBlock" id="teg_ScheduleOfCreditRiskDerivativeInstrumentsInLiabilityPositionTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDerivativeInstrumentsCashCollateralPositionsTableTextBlock" id="teg_ScheduleOfDerivativeInstrumentsCashCollateralPositionsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossNonregulatedSegmentsTableTextBlock" id="teg_ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossNonregulatedSegmentsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCashFlowDerivativeInstrumentsGainLossRecognizedInIncomeNonregulatedSegmentsTableTextBlock" id="teg_ScheduleOfCashFlowDerivativeInstrumentsGainLossRecognizedInIncomeNonregulatedSegmentsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsCarryingValueOfMajorClassesOfAssetsAndLiabilitiesTableTextBlock" id="teg_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsCarryingValueOfMajorClassesOfAssetsAndLiabilitiesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsDisclosureOfRiskManagementActivitiesTableTextBlock" id="teg_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsDisclosureOfRiskManagementActivitiesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDividendPaymentRestrictionsTable" id="teg_ScheduleOfDividendPaymentRestrictionsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfEquityMethodInvestmentsSummarizedBalanceSheetInformationTableTextBlock" id="teg_ScheduleOfEquityMethodInvestmentsSummarizedBalanceSheetInformationTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" id="teg_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFairValueAssetsAndLiabilitiesTransfersBetweenTheLevelsOfTheFairValueHierarchyTableTextBlock" id="teg_ScheduleOfFairValueAssetsAndLiabilitiesTransfersBetweenTheLevelsOfTheFairValueHierarchyTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueInputsQuantitativeInformationTableTextBlock" id="teg_FairValueInputsQuantitativeInformationTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFairValueHedgingInstrumentUnrealizedGainLossOnHedgeAndRelatedHedgedItemTableTextBlock" id="teg_ScheduleOfFairValueHedgingInstrumentUnrealizedGainLossOnHedgeAndRelatedHedgedItemTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsAndLiabilitiesByMajorClassTableTextBlock" id="teg_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsAndLiabilitiesByMajorClassTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCarryingValueOfNonHedgeCommodityDerivativeContractsClassifiedAsHeldForSaleTableTextBlock" id="teg_ScheduleOfCarryingValueOfNonHedgeCommodityDerivativeContractsClassifiedAsHeldForSaleTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfGuaranteeObligationsByExpirationTableTextBlock" id="teg_ScheduleOfGuaranteeObligationsByExpirationTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsNotDesignatedAsHedgesNonregulatedSegmentsTableTextBlock" id="teg_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsNotDesignatedAsHedgesNonregulatedSegmentsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsNotDesignatedAsHedgesUtilitySegmentsTableTextBlock" id="teg_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsNotDesignatedAsHedgesUtilitySegmentsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationNonregulatedSegmentsTableTextBlock" id="teg_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationNonregulatedSegmentsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationUtilitySegmentsTableTextBlock" id="teg_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationUtilitySegmentsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfOtherNonoperatingIncomeExpenseByComponentTableTextBlock" id="teg_ScheduleOfOtherNonoperatingIncomeExpenseByComponentTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfParentalGuaranteeObligationsTextBlock" id="teg_ScheduleOfParentalGuaranteeObligationsTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfPublicUtilitiesRegulatoryMattersTable" id="teg_ScheduleOfPublicUtilitiesRegulatoryMattersTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfPurchaseSupplyCommitmentAxis" id="teg_ScheduleOfPurchaseSupplyCommitmentAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfPurchaseSupplyCommitmentTable" id="teg_ScheduleOfPurchaseSupplyCommitmentTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfQuarterlyFinancialInformationTable" id="teg_ScheduleOfQuarterlyFinancialInformationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfReconciliationOfSharesOutstandingTableTextBlock" id="teg_ScheduleOfReconciliationOfSharesOutstandingTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfReductionsInWorkforceRestructuringReserveTableTextBlock" id="teg_ScheduleOfReductionsInWorkforceRestructuringReserveTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock" id="teg_ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfEquityMethodInvestmentsSummarizedIncomeStatementInformationTableTextBlock" id="teg_ScheduleOfEquityMethodInvestmentsSummarizedIncomeStatementInformationTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRestructuringCostsExpensedRelatedToReductionInWorkforceTableTextBlock" id="teg_ScheduleOfRestructuringCostsExpensedRelatedToReductionInWorkforceTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfShareBasedPaymentAwardPerformanceStockRightsValuationAssumptionsTableTextBlock" id="teg_ScheduleOfShareBasedPaymentAwardPerformanceStockRightsValuationAssumptionsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfSharesIssuedRollForward" id="teg_ScheduleOfSharesIssuedRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfStrategyChangeEmployeeCostsRestructuringReserveTableTextBlock" id="teg_ScheduleOfStrategyChangeEmployeeCostsRestructuringReserveTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfStrategyChangeRestructuringCostsExpensedTableTextBlock" id="teg_ScheduleOfStrategyChangeRestructuringCostsExpensedTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeamsEliminationChargeAdjustmentMember" id="teg_SeamsEliminationChargeAdjustmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes3.95PercentDue2013Member" id="teg_SeniorNotes3.95PercentDue2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes4.875PercentDue2012Member" id="teg_SeniorNotes4.875PercentDue2012Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FixedFirstAndRefundingMortgageYYSeries3.98PercentBondsDue2042Member" id="teg_FixedFirstAndRefundingMortgageYYSeries3.98PercentBondsDue2042Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes4.8PercentDue2013Member" id="teg_SeniorNotes4.8PercentDue2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes5.55PercentDue2036Member" id="teg_SeniorNotes5.55PercentDue2036Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes5.65PercentDue2017Member" id="teg_SeniorNotes5.65PercentDue2017Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes6.08PercentDue2028Member" id="teg_SeniorNotes6.08PercentDue2028Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes6.125PercentDue2011Member" id="teg_SeniorNotes6.125PercentDue2011Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes6.375PercentDue2015Member" id="teg_SeniorNotes6.375PercentDue2015Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SettledNaturalGasChargeCasesPECMember" id="teg_SettledNaturalGasChargeCasesPECMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SettledNaturalGasChargeCasesPGLMember" id="teg_SettledNaturalGasChargeCasesPGLMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SettlementAgreementNumberOfInternalAuditsOfNaturalGasSupplyPractices" id="teg_SettlementAgreementNumberOfInternalAuditsOfNaturalGasSupplyPractices" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SettlementAgreementNumberOfRemainingInternalAuditsOfNaturalGasSupplyPractices" id="teg_SettlementAgreementNumberOfRemainingInternalAuditsOfNaturalGasSupplyPractices" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationAdjustmentsToAdditionalPaidInCapitalAndRetainedEarnings" id="teg_ShareBasedCompensationAdjustmentsToAdditionalPaidInCapitalAndRetainedEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsInPeriod" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAwardDividendEquivalentWeightedAverageGrantDateFairValue" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAwardDividendEquivalentWeightedAverageGrantDateFairValue" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAwardModification" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAwardModification" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAwardModificationInPeriodWeightedAverageGrantDateFairValue" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAwardModificationInPeriodWeightedAverageGrantDateFairValue" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDistributedInPeriod" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDistributedInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDistributedInPeriodTotalIntrinsicValue" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDistributedInPeriodTotalIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDividendEquivalent" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDividendEquivalent" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueAbstract" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstanding" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalIntrinsicValue" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPeriodOfHistoricalVolatilityUsedToEstimateExpectedVolatilityRate" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPeriodOfHistoricalVolatilityUsedToEstimateExpectedVolatilityRate" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfHighestPaidOfficers" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfHighestPaidOfficers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriodIntrinsicValue" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriodIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodIntrinsicValue" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutRatio" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutRatio" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageValueOfAwardThatCanBeDeferredIntoDeferredCompensationPlan" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageValueOfAwardThatCanBeDeferredIntoDeferredCompensationPlan" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodPriorToEndOfPerformancePeriodForWhichEmployeesCannotChangeElectionToDeferValueOfAwardIntoDeferredCompensationPlan" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodPriorToEndOfPerformancePeriodForWhichEmployeesCannotChangeElectionToDeferValueOfAwardIntoDeferredCompensationPlan" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardRemainingPerformancePeriodForWhichFairValueOnPlanModificationDateIsUsedToMeasureAwards" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardRemainingPerformancePeriodForWhichFairValueOnPlanModificationDateIsUsedToMeasureAwards" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShortTermDebtAndLineOfCreditFacilitiesDisclosureTextBlock" id="teg_ShortTermDebtAndLineOfCreditFacilitiesDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShortTermDebtAndLinesOfCreditDisclosureAbstract" id="teg_ShortTermDebtAndLinesOfCreditDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShortTermDebtAverageDiscountRate" id="teg_ShortTermDebtAverageDiscountRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="SignificantAccountingPoliciesLineItems" id="teg_SignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SignificantAccountingPoliciesTable" id="teg_SignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SoftwareWriteOffsRelatedToRestructuringExpense" id="teg_SoftwareWriteOffsRelatedToRestructuringExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SpecificSubsidiariesMember" id="teg_SpecificSubsidiariesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StandbyLettersOfCreditForWorkersCompensationCoverageMember" id="teg_StandbyLettersOfCreditForWorkersCompensationCoverageMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StateCapitalAndOperatingLossCarryforwardsExpirationPeriod" id="teg_StateCapitalAndOperatingLossCarryforwardsExpirationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StateOperatingLossCarryforwardsExpirationPeriod" id="teg_StateOperatingLossCarryforwardsExpirationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValueUnderEmployeeStockPurchasePlanAndShareBasedCompensation" id="teg_StockIssuedDuringPeriodValueUnderEmployeeStockPurchasePlanAndShareBasedCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StonemanGenerationFacilityMember" id="teg_StonemanGenerationFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StrategyAxis" id="teg_StrategyAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StrategyChangeMember" id="teg_StrategyChangeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StrategyDomain" id="teg_StrategyDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SubsidiaryIntegrysEnergyServicesMember" id="teg_SubsidiaryIntegrysEnergyServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SulfurDioxideAndNitrogenOxideEmissionsMember" id="teg_SulfurDioxideAndNitrogenOxideEmissionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SuretyBondsMember" id="teg_SuretyBondsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TEGEMember" id="teg_TEGEMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TemporaryLIFOLiquidationCredit" id="teg_TemporaryLIFOLiquidationCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="TexasRetailElectricMarketingBusinessMember" id="teg_TexasRetailElectricMarketingBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThresholdForDisclosurePercentage" id="teg_ThresholdForDisclosurePercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThresholdPercentageDeviationFromCostsUsedToTriggerRateReview" id="teg_ThresholdPercentageDeviationFromCostsUsedToTriggerRateReview" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TrilliumUSAAndPinnacleCNGSystemsMember" id="teg_TrilliumUSAAndPinnacleCNGSystemsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TrilliumUSAMember" id="teg_TrilliumUSAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UPPCOMember" id="teg_UPPCOMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UncollectibleExpenseMember" id="teg_UncollectibleExpenseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UncontestedDisallowanceBankNaturalGasAdjustment" id="teg_UncontestedDisallowanceBankNaturalGasAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="UnitedStatesEquitySecuritiesMember" id="teg_UnitedStatesEquitySecuritiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitedStatesRetailElectricBusinessMember" id="teg_UnitedStatesRetailElectricBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitedStatesWholesaleElectricMarketingAndTradingBusinessMember" id="teg_UnitedStatesWholesaleElectricMarketingAndTradingBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitedStatesWholesaleNaturalGasMarketingAndTradingBusinessAndOtherWholesaleNaturalGasStorageContractsMember" id="teg_UnitedStatesWholesaleNaturalGasMarketingAndTradingBusinessAndOtherWholesaleNaturalGasStorageContractsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitedStatesWholesaleNaturalGasMarketingAndTradingBusinessMember" id="teg_UnitedStatesWholesaleNaturalGasMarketingAndTradingBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnrecognizedPensionAndOtherPostretirementBenefitCostsMember" id="teg_UnrecognizedPensionAndOtherPostretirementBenefitCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnrecognizedTaxBenefitsAbstract" id="teg_UnrecognizedTaxBenefitsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="WindGenerationProjectCapacity" id="teg_WindGenerationProjectCapacity" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WisconsinMember" id="teg_WisconsinMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="ScheduleOfEffectiveIncomeTaxRateTableTextBlock" id="teg_ScheduleOfEffectiveIncomeTaxRateTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssumptionsForwardMarketPrices" id="teg_FairValueAssumptionsForwardMarketPrices" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAssumptionsMonthlyCurveShaping" id="teg_FairValueAssumptionsMonthlyCurveShaping" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccumulatedOtherComprehensiveIncomeLossNetOfTaxRollForward" id="teg_AccumulatedOtherComprehensiveIncomeLossNetOfTaxRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDistributedWeightedAverageGrantDateFairValue" id="teg_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDistributedWeightedAverageGrantDateFairValue" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="MercuryEmissionReductionByPhaseDomain" id="teg_MercuryEmissionReductionByPhaseDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MinimumNumberOfRemedialStepsRequired" id="teg_MinimumNumberOfRemedialStepsRequired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PhaseOneMember" id="teg_PhaseOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PhaseTwoMember" id="teg_PhaseTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="WPSEmpireStateIncMember" id="teg_WPSEmpireStateIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SunburyHoldingsLLCMember" id="teg_SunburyHoldingsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WPSBeaverFallsGenerationLLCAndWPSSyracuseGenerationLLCMember" id="teg_WPSBeaverFallsGenerationLLCAndWPSSyracuseGenerationLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentAccumulatedDepreciation" id="teg_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentAccumulatedDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
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  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationOtherTaxes" id="teg_DisposalGroupIncludingDiscontinuedOperationOtherTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationMiscellaneousIncome" id="teg_DisposalGroupIncludingDiscontinuedOperationMiscellaneousIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element name="LongLivedAssetsHeldForSaleImpairmentChargeNetOfTax" id="teg_LongLivedAssetsHeldForSaleImpairmentChargeNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementDisclosureTableTextBlock" id="teg_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementDisclosureTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsBalanceSheetDisclosureTableTextBlock" id="teg_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsBalanceSheetDisclosureTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisposalGroupIncludingDiscontinuedOperationSaleOfOwnershipInterestPercentage" id="teg_DisposalGroupIncludingDiscontinuedOperationSaleOfOwnershipInterestPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodForWhichTransitionServicesAreProvided" id="teg_PeriodForWhichTransitionServicesAreProvided" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EarnOutMechanismPeriod" id="teg_EarnOutMechanismPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReclassificationsPolicyTextBlock" id="teg_ReclassificationsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="PendingAcquisitionMember" id="teg_PendingAcquisitionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapacityOfElectricGeneratingFacility" id="teg_CapacityOfElectricGeneratingFacility" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ContractedCapacityFromVariableInterestEntity" id="teg_ContractedCapacityFromVariableInterestEntity" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContractTerminationCosts" id="teg_ContractTerminationCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentMaturityTerm" id="teg_DebtInstrumentMaturityTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PendingPurchaseDisclosureTextBlock" id="teg_PendingPurchaseDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentForPurchaseOfSharesForIncentiveAndShareBasedCompensationPlans" id="teg_PaymentForPurchaseOfSharesForIncentiveAndShareBasedCompensationPlans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfQuantifyingPriorYearReclassificationAdjustedInCurrentYearFinancialStatementsTable" id="teg_ScheduleOfQuantifyingPriorYearReclassificationAdjustedInCurrentYearFinancialStatementsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="QuantifyingReclassificationInCurrentYearFinancialStatementsByNatureOfReclassificationAxis" id="teg_QuantifyingReclassificationInCurrentYearFinancialStatementsByNatureOfReclassificationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="BalanceSheetReclassificationMember" id="teg_BalanceSheetReclassificationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashFlowReclassificationMember" id="teg_CashFlowReclassificationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AuthorizedRecoveryOfIncomeTaxExpense" id="teg_AuthorizedRecoveryOfIncomeTaxExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DerivativeInstrumentsAndHedgesLiabilitiesGrossCurrent" id="teg_DerivativeInstrumentsAndHedgesLiabilitiesGrossCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DerivativeInstrumentsAndHedgesIncludingAmountsClassifiedAsHeldForSale" id="teg_DerivativeInstrumentsAndHedgesIncludingAmountsClassifiedAsHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DerivativeInstrumentsAndHedgesLiabilitiesGrossCurrentIncludingAmountsClassifiedAsHeldForSale" id="teg_DerivativeInstrumentsAndHedgesLiabilitiesGrossCurrentIncludingAmountsClassifiedAsHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DerivativeInstrumentsAndHedgesLiabilitiesGrossNoncurrentIncludingAmountsClassifiedAsHeldForSale" id="teg_DerivativeInstrumentsAndHedgesLiabilitiesGrossNoncurrentIncludingAmountsClassifiedAsHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RevisedRequestMember" id="teg_RevisedRequestMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
</xsd:schema>
