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  <xsd:element id="oge_OtherComprehensiveIncomeAmortizationOfInterestRateSwapNetOfTax" name="OtherComprehensiveIncomeAmortizationOfInterestRateSwapNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="oge_OtherComprehensiveIncomeLossAmortizationDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostTaxEffect" name="OtherComprehensiveIncomeLossAmortizationDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostTaxEffect" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="oge_OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansSettlementCostbeforeTax" name="OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansSettlementCostbeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="oge_OtherComprehensiveIncomeReclassificationAdjustmentOnInterestRateSwapsIncludedInNetIncomeTax" name="OtherComprehensiveIncomeReclassificationAdjustmentOnInterestRateSwapsIncludedInNetIncomeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="oge_OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax" name="OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="oge_OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax" name="OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_OtherRegulatoryAssetsMember" name="OtherRegulatoryAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_OtherRegulatoryLiabilitiesMember" name="OtherRegulatoryLiabilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_PensionTrackerMember" name="PensionTrackerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_PercentOfIncentiveDistributionRights" name="PercentOfIncentiveDistributionRights" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="oge_PercentOfPrincipalAmountSubjectToOptionalTender" name="PercentOfPrincipalAmountSubjectToOptionalTender" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_PercentageOfEnogexLlcContributed" name="PercentageOfEnogexLlcContributed" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="oge_PercentageShareOfManagementRights" name="PercentageShareOfManagementRights" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="oge_Percentageofsubsidiarycontributed" name="Percentageofsubsidiarycontributed" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="oge_PercentofSubordinatedLimitedPartnerUnits" name="PercentofSubordinatedLimitedPartnerUnits" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="oge_PerformanceUnitsRelatedToEarningsPerShareMember" name="PerformanceUnitsRelatedToEarningsPerShareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_PeriodForWhichRegulatoryApprovalHasBeenGivenToAcquireShortTermDebt" name="PeriodForWhichRegulatoryApprovalHasBeenGivenToAcquireShortTermDebt" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_ProportionateShareofUnconsolidatedAffiliateNetIncome" name="ProportionateShareofUnconsolidatedAffiliateNetIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="oge_ProportionateUnconsolidatedAffiliateNetIncome" name="ProportionateUnconsolidatedAffiliateNetIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="oge_RateMattersAndRegulationTextBlock" name="RateMattersAndRegulationTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_Recommendation1Member" name="Recommendation1Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_Recommendation2Member" name="Recommendation2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_RecommendedCommonEquityPercentage" name="RecommendedCommonEquityPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_RecommendedRateIncreaseDecrease" name="RecommendedRateIncreaseDecrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="oge_RecommendedReturnonEquity" name="RecommendedReturnonEquity" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_ReconciliationofEquityinEarningsofUnconsolidatedAffiliatesAxis" name="ReconciliationofEquityinEarningsofUnconsolidatedAffiliatesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_ReconciliationofEquityinEarningsofUnconsolidatedAffiliatesDomain" name="ReconciliationofEquityinEarningsofUnconsolidatedAffiliatesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_ReconciliationofEquityinEarningsofUnconsolidatedAffiliatesLineItems" name="ReconciliationofEquityinEarningsofUnconsolidatedAffiliatesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_ReconciliationofEquityinEarningsofUnconsolidatedAffiliatesTable" name="ReconciliationofEquityinEarningsofUnconsolidatedAffiliatesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_ReconciliationofEquityinEarningsofUnconsolidatedAffiliatesTableTextBlock" name="ReconciliationofEquityinEarningsofUnconsolidatedAffiliatesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_ReductionofRevenue" name="ReductionofRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="oge_ReductiontoRequestedAdditionalPlantDismantlementCosts" name="ReductiontoRequestedAdditionalPlantDismantlementCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_RegionalHazeMember" name="RegionalHazeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_RemainingLostRevenuestobeRecoveredThroughRates" name="RemainingLostRevenuestobeRecoveredThroughRates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_SPPCostTrackerRiderUnderRecoveryMember" name="SPPCostTrackerRiderUnderRecoveryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems" name="ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_ScheduleOfRegulatoryAssetsAndLiabilitiesTable" name="ScheduleOfRegulatoryAssetsAndLiabilitiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock" name="ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_ScheduleofCapitalizedPensionandPostretirementCostTableTextBlock" name="ScheduleofCapitalizedPensionandPostretirementCostTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_SettlementCostMember" name="SettlementCostMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_ShareBasedCompensationSharesIssuedReturnedAndCashRecievedFromExerciseAxis" name="ShareBasedCompensationSharesIssuedReturnedAndCashRecievedFromExerciseAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_SharesIssuedReturnedAndCashRecievedFromExerciseDomain" name="SharesIssuedReturnedAndCashRecievedFromExerciseDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_ShortTermBorrowingCapacityThatHasRegulatoryApproval" name="ShortTermBorrowingCapacityThatHasRegulatoryApproval" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="oge_SmartGridMember" name="SmartGridMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_SmartGridRiderOverRecoveryMember" name="SmartGridRiderOverRecoveryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_SmartHoursProgramMember" name="SmartHoursProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_SubordinatedUnitsHeldbyLimitedPartnersoftheLLCorLP" name="SubordinatedUnitsHeldbyLimitedPartnersoftheLLCorLP" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_SummarizedBalanceSheetFinancialInformationEquityMethodInvestmentTableTextBlock" name="SummarizedBalanceSheetFinancialInformationEquityMethodInvestmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_SummarizedBalanceSheetInformationofEquityMethodInvestmentAbstract" name="SummarizedBalanceSheetInformationofEquityMethodInvestmentAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_SummarizedIncomeStatementFinancialInformationEquityMethodInvestmentTableTextBlock" name="SummarizedIncomeStatementFinancialInformationEquityMethodInvestmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_SummarizedIncomeStatementofEquityMethodInvestmentAbstract" name="SummarizedIncomeStatementofEquityMethodInvestmentAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="oge_ThresholdforPerUnitIncentiveDistributions" name="ThresholdforPerUnitIncentiveDistributions" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="oge_TimingDifferencesRelatedtoEquityMethodInvesteeNetIncome" name="TimingDifferencesRelatedtoEquityMethodInvesteeNetIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="oge_TotalShareholderReturnMember" name="TotalShareholderReturnMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
