<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.oge.com/role/AccountingPronouncements" xlink:href="oge-20160930.xsd#AccountingPronouncements" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/AccountingPronouncementsDetails" xlink:href="oge-20160930.xsd#AccountingPronouncementsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/AccountingPronouncementsTables" xlink:href="oge-20160930.xsd#AccountingPronouncementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CommitmentsAndContingencies" xlink:href="oge-20160930.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CommitmentsAndContingenciesDetails" xlink:href="oge-20160930.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CommonEquity" xlink:href="oge-20160930.xsd#CommonEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CommonEquityAutomaticDividendReinvestmentAndStockPurchasePlanDetails" xlink:href="oge-20160930.xsd#CommonEquityAutomaticDividendReinvestmentAndStockPurchasePlanDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CommonEquityEarningsPerShareDetails" xlink:href="oge-20160930.xsd#CommonEquityEarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CommonEquityTables" xlink:href="oge-20160930.xsd#CommonEquityTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:href="oge-20160930.xsd#CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:href="oge-20160930.xsd#CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:href="oge-20160930.xsd#CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CondensedConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" xlink:href="oge-20160930.xsd#CondensedConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:href="oge-20160930.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnauditedParenthetical" xlink:href="oge-20160930.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeUnauditedParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CondensedConsolidatedStatementsOfIncomeUnaudited" xlink:href="oge-20160930.xsd#CondensedConsolidatedStatementsOfIncomeUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/CondensedConsolidatedStatementsOfIncomeUnauditedCalc2" xlink:href="oge-20160930.xsd#CondensedConsolidatedStatementsOfIncomeUnauditedCalc2" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/DocumentAndEntityInformationDocument" xlink:href="oge-20160930.xsd#DocumentAndEntityInformationDocument" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/FairValueMeasurements" xlink:href="oge-20160930.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/FairValueMeasurementsCarryingAndFairValueAmountsDetails" xlink:href="oge-20160930.xsd#FairValueMeasurementsCarryingAndFairValueAmountsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/FairValueMeasurementsFairValueHierarchyDetails" xlink:href="oge-20160930.xsd#FairValueMeasurementsFairValueHierarchyDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/FairValueMeasurementsTables" xlink:href="oge-20160930.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/IncomeTaxes" xlink:href="oge-20160930.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/IncomeTaxesDetails" xlink:href="oge-20160930.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliates" xlink:href="oge-20160930.xsd#InvestmentInUnconsolidatedAffiliates" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesDetails" xlink:href="oge-20160930.xsd#InvestmentInUnconsolidatedAffiliatesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesReconciliationOfEquityInEarningsOfUnconsolidatedAffiliatesDetails" xlink:href="oge-20160930.xsd#InvestmentInUnconsolidatedAffiliatesReconciliationOfEquityInEarningsOfUnconsolidatedAffiliatesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesRelatedPartyTransactionsDetails" xlink:href="oge-20160930.xsd#InvestmentInUnconsolidatedAffiliatesRelatedPartyTransactionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesSummarizedBalanceSheetInformationOfEquityMethodInvestmentDetails" xlink:href="oge-20160930.xsd#InvestmentInUnconsolidatedAffiliatesSummarizedBalanceSheetInformationOfEquityMethodInvestmentDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesSummarizedIncomeStatementOfEquityMethodInvestmentDetails" xlink:href="oge-20160930.xsd#InvestmentInUnconsolidatedAffiliatesSummarizedIncomeStatementOfEquityMethodInvestmentDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesTables" xlink:href="oge-20160930.xsd#InvestmentInUnconsolidatedAffiliatesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/LongTermDebt" xlink:href="oge-20160930.xsd#LongTermDebt" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/LongTermDebtDetails" xlink:href="oge-20160930.xsd#LongTermDebtDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/LongTermDebtTables" xlink:href="oge-20160930.xsd#LongTermDebtTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/RateMattersAndRegulation" xlink:href="oge-20160930.xsd#RateMattersAndRegulation" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/RateMattersAndRegulationRateMattersAndRegulationDetails" xlink:href="oge-20160930.xsd#RateMattersAndRegulationRateMattersAndRegulationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/RegulatedOperationsDetails" xlink:href="oge-20160930.xsd#RegulatedOperationsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/ReportOfBusinessSegments" xlink:href="oge-20160930.xsd#ReportOfBusinessSegments" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/ReportOfBusinessSegmentsDetails" xlink:href="oge-20160930.xsd#ReportOfBusinessSegmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/ReportOfBusinessSegmentsTables" xlink:href="oge-20160930.xsd#ReportOfBusinessSegmentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/RetirementPlansAndPostretirementBenefitPlans" xlink:href="oge-20160930.xsd#RetirementPlansAndPostretirementBenefitPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/RetirementPlansAndPostretirementBenefitPlansDetails" xlink:href="oge-20160930.xsd#RetirementPlansAndPostretirementBenefitPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/RetirementPlansAndPostretirementBenefitPlansTables" xlink:href="oge-20160930.xsd#RetirementPlansAndPostretirementBenefitPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/ShortTermDebtAndCreditFacilities" xlink:href="oge-20160930.xsd#ShortTermDebtAndCreditFacilities" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/ShortTermDebtAndCreditFacilitiesDetails" xlink:href="oge-20160930.xsd#ShortTermDebtAndCreditFacilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/ShortTermDebtAndCreditFacilitiesTables" xlink:href="oge-20160930.xsd#ShortTermDebtAndCreditFacilitiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/StockBasedCompensation" xlink:href="oge-20160930.xsd#StockBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/StockBasedCompensationDetails" xlink:href="oge-20160930.xsd#StockBasedCompensationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/StockBasedCompensationTables" xlink:href="oge-20160930.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="oge-20160930.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails" xlink:href="oge-20160930.xsd#SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAociDetails" xlink:href="oge-20160930.xsd#SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAociDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesAssetRetirementObligationDetails" xlink:href="oge-20160930.xsd#SummaryOfSignificantAccountingPoliciesAssetRetirementObligationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesEquityOwnershipDetails" xlink:href="oge-20160930.xsd#SummaryOfSignificantAccountingPoliciesEquityOwnershipDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="oge-20160930.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesReclassificationsDetails" xlink:href="oge-20160930.xsd#SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesReclassificationsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="oge-20160930.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <calculationLink xlink:role="http://www.oge.com/role/AccountingPronouncements" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/AccountingPronouncementsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/AccountingPronouncementsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/CommonEquity" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/CommonEquityAutomaticDividendReinvestmentAndStockPurchasePlanDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/CommonEquityEarningsPerShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ae404dc0-76bc-cd1d-811f-e233c07e0569" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_e841a58a-f12e-0adc-36de-0299a43719a9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ae404dc0-76bc-cd1d-811f-e233c07e0569" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_e841a58a-f12e-0adc-36de-0299a43719a9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares_891fb42c-98bc-cfd2-9857-0fc83bb30927" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ae404dc0-76bc-cd1d-811f-e233c07e0569" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares_891fb42c-98bc-cfd2-9857-0fc83bb30927" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oge.com/role/CommonEquityTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_04e17fb3-9b77-1c98-f460-7f5dd0c01008" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_2644da13-7baa-0a2f-63e0-0906a691ba01" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_04e17fb3-9b77-1c98-f460-7f5dd0c01008" xlink:to="loc_us-gaap_StockholdersEquity_2644da13-7baa-0a2f-63e0-0906a691ba01" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStocksIncludingAdditionalPaidInCapital" xlink:label="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_a0d598de-ed3f-dafe-7a1e-be1139428194" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_2644da13-7baa-0a2f-63e0-0906a691ba01" xlink:to="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_a0d598de-ed3f-dafe-7a1e-be1139428194" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f759e73e-9f4f-941e-1138-49bc44f6b118" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_2644da13-7baa-0a2f-63e0-0906a691ba01" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f759e73e-9f4f-941e-1138-49bc44f6b118" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_aeb1020a-508a-a8c1-f34c-bafff16c26cb" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_2644da13-7baa-0a2f-63e0-0906a691ba01" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_aeb1020a-508a-a8c1-f34c-bafff16c26cb" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_6d3ec995-5062-ef92-dd72-b570c1eafdc8" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_04e17fb3-9b77-1c98-f460-7f5dd0c01008" xlink:to="loc_us-gaap_Liabilities_6d3ec995-5062-ef92-dd72-b570c1eafdc8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent" xlink:label="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_6a960026-3572-9931-5026-028885dbb6dc" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_6d3ec995-5062-ef92-dd72-b570c1eafdc8" xlink:to="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_6a960026-3572-9931-5026-028885dbb6dc" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_0bae88b8-1d8b-a8ef-3832-24e6d176184d" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_6a960026-3572-9931-5026-028885dbb6dc" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_0bae88b8-1d8b-a8ef-3832-24e6d176184d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_3b38d8c3-335c-53c8-5510-f59766fb81d5" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_6a960026-3572-9931-5026-028885dbb6dc" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_3b38d8c3-335c-53c8-5510-f59766fb81d5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RegulatoryLiabilityNoncurrent" xlink:label="loc_us-gaap_RegulatoryLiabilityNoncurrent_74e7d56c-3452-83d0-e6ab-d7bf0a77a3c8" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_6a960026-3572-9931-5026-028885dbb6dc" xlink:to="loc_us-gaap_RegulatoryLiabilityNoncurrent_74e7d56c-3452-83d0-e6ab-d7bf0a77a3c8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_b65887e3-1865-ef3e-c8ae-81780cbff9ee" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_6a960026-3572-9931-5026-028885dbb6dc" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_b65887e3-1865-ef3e-c8ae-81780cbff9ee" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_898d9dde-51c0-10b5-4600-dc6b12c399c4" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_6d3ec995-5062-ef92-dd72-b570c1eafdc8" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_898d9dde-51c0-10b5-4600-dc6b12c399c4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_6d3ec995-5062-ef92-dd72-b570c1eafdc8" xlink:to="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_71d04050-374b-2145-53d0-dc098f6f5b95" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:to="loc_us-gaap_ShortTermBorrowings_71d04050-374b-2145-53d0-dc098f6f5b95" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_222239a2-3ddd-5e4f-4ae1-b11c60b29d92" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:to="loc_us-gaap_AccountsPayableCurrent_222239a2-3ddd-5e4f-4ae1-b11c60b29d92" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DividendsPayableCurrent" xlink:label="loc_us-gaap_DividendsPayableCurrent_074bd34b-fe55-9059-4d4d-01f7bae9398c" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:to="loc_us-gaap_DividendsPayableCurrent_074bd34b-fe55-9059-4d4d-01f7bae9398c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CustomerDepositsCurrent" xlink:label="loc_us-gaap_CustomerDepositsCurrent_59d2acf1-74df-4019-07a4-635024eee9bf" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:to="loc_us-gaap_CustomerDepositsCurrent_59d2acf1-74df-4019-07a4-635024eee9bf" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TaxesPayableCurrent" xlink:label="loc_us-gaap_TaxesPayableCurrent_09c3afb8-38a1-4889-4c3b-0ee54f55be27" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:to="loc_us-gaap_TaxesPayableCurrent_09c3afb8-38a1-4889-4c3b-0ee54f55be27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaap_InterestPayableCurrent_d9abcce1-c2aa-ae62-a692-f2fc9e1deb74" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:to="loc_us-gaap_InterestPayableCurrent_d9abcce1-c2aa-ae62-a692-f2fc9e1deb74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_e20e4396-1ab7-d9ec-b779-e1a72ae620da" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_e20e4396-1ab7-d9ec-b779-e1a72ae620da" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_c3b0ebc6-4623-301c-8c00-aa6b946b1d6a" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:to="loc_us-gaap_LongTermDebtCurrent_c3b0ebc6-4623-301c-8c00-aa6b946b1d6a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CustomerRefundLiabilityCurrent" xlink:label="loc_us-gaap_CustomerRefundLiabilityCurrent_d0a9389f-d44c-424b-7441-ff0e7fce964d" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:to="loc_us-gaap_CustomerRefundLiabilityCurrent_d0a9389f-d44c-424b-7441-ff0e7fce964d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_0ff25fd8-f6de-e7fa-c6c3-85d94f17f57b" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_0ff25fd8-f6de-e7fa-c6c3-85d94f17f57b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsPayableRelatedPartiesCurrent" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_74989ef7-ba75-4358-759c-6d29d40c1819" xlink:type="locator" />
    <calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_a859bb84-8118-88ec-5136-83fdb14e8f32" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_74989ef7-ba75-4358-759c-6d29d40c1819" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_49d65a66-0444-b198-9d28-5c0811b1bdf3" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_04e17fb3-9b77-1c98-f460-7f5dd0c01008" xlink:to="loc_us-gaap_CommitmentsAndContingencies_49d65a66-0444-b198-9d28-5c0811b1bdf3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_08bee809-e27e-48c3-da2d-5d52948eb470" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_08bee809-e27e-48c3-da2d-5d52948eb470" xlink:to="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_ec544f28-9c7b-137c-e428-9ae47c2375fc" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_ec544f28-9c7b-137c-e428-9ae47c2375fc" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_d28874fa-4543-5746-c91a-559d7ab47f77" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_d28874fa-4543-5746-c91a-559d7ab47f77" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsReceivableRelatedPartiesCurrent" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_9fdbfee6-324f-b7e9-4647-0fda973cb171" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_9fdbfee6-324f-b7e9-4647-0fda973cb171" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UnbilledReceivablesCurrent" xlink:label="loc_us-gaap_UnbilledReceivablesCurrent_c6b5cdde-c977-8697-4021-ef35291647d0" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:to="loc_us-gaap_UnbilledReceivablesCurrent_c6b5cdde-c977-8697-4021-ef35291647d0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_e84b8cf7-5c16-4daf-da6e-6c656f6f2757" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:to="loc_us-gaap_IncomeTaxesReceivable_e84b8cf7-5c16-4daf-da6e-6c656f6f2757" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_a5201305-cb63-d1e5-f4e7-e25409fb5d3a" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:to="loc_us-gaap_InventoryNet_a5201305-cb63-d1e5-f4e7-e25409fb5d3a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherInventorySupplies" xlink:label="loc_us-gaap_OtherInventorySupplies_ff67ecb1-f53c-1035-640e-7a815d62c0ce" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:to="loc_us-gaap_OtherInventorySupplies_ff67ecb1-f53c-1035-640e-7a815d62c0ce" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetCurrent_0e7a93cb-e53d-ef35-a1ff-e4c47ee9c3f7" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:to="loc_us-gaap_DeferredTaxAssetsNetCurrent_0e7a93cb-e53d-ef35-a1ff-e4c47ee9c3f7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredFuelCost" xlink:label="loc_us-gaap_DeferredFuelCost_5a63778d-db0d-6bc4-700e-05c07f7fe302" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:to="loc_us-gaap_DeferredFuelCost_5a63778d-db0d-6bc4-700e-05c07f7fe302" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_fdb77e30-ba68-0e41-abc1-70858b11de5b" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_dbbeeff9-fd43-6151-195d-0532728ac216" xlink:to="loc_us-gaap_OtherAssetsCurrent_fdb77e30-ba68-0e41-abc1-70858b11de5b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherInvestments" xlink:label="loc_us-gaap_OtherInvestments_d8022be5-3384-95f5-7db4-8bb30f3ce569" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_08bee809-e27e-48c3-da2d-5d52948eb470" xlink:to="loc_us-gaap_OtherInvestments_d8022be5-3384-95f5-7db4-8bb30f3ce569" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_8186324b-c5f1-8ea6-8e0c-32830db48a5d" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherInvestments_d8022be5-3384-95f5-7db4-8bb30f3ce569" xlink:to="loc_us-gaap_EquityMethodInvestments_8186324b-c5f1-8ea6-8e0c-32830db48a5d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherLongTermInvestments" xlink:label="loc_us-gaap_OtherLongTermInvestments_bf001c67-2148-cad8-5e97-dc158aefeae8" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherInvestments_d8022be5-3384-95f5-7db4-8bb30f3ce569" xlink:to="loc_us-gaap_OtherLongTermInvestments_bf001c67-2148-cad8-5e97-dc158aefeae8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_68e7c3c1-9b8d-84fe-3a5c-d69c15dfe7a2" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_08bee809-e27e-48c3-da2d-5d52948eb470" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_68e7c3c1-9b8d-84fe-3a5c-d69c15dfe7a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_95ebcb07-1c4a-1ded-365f-edc9cd2fa101" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_68e7c3c1-9b8d-84fe-3a5c-d69c15dfe7a2" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_95ebcb07-1c4a-1ded-365f-edc9cd2fa101" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_8c99d26c-e257-b8ba-86ee-4f792a9452ce" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_68e7c3c1-9b8d-84fe-3a5c-d69c15dfe7a2" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_8c99d26c-e257-b8ba-86ee-4f792a9452ce" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_aa92104b-91a0-1782-efc1-89efd19fe75a" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_8c99d26c-e257-b8ba-86ee-4f792a9452ce" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_aa92104b-91a0-1782-efc1-89efd19fe75a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="loc_us-gaap_ConstructionInProgressGross_f5c6dffb-00d4-b12e-a7e2-d03265a1fd19" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_8c99d26c-e257-b8ba-86ee-4f792a9452ce" xlink:to="loc_us-gaap_ConstructionInProgressGross_f5c6dffb-00d4-b12e-a7e2-d03265a1fd19" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_e6ade192-0839-bdd8-d08b-20387a0e8201" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_08bee809-e27e-48c3-da2d-5d52948eb470" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_e6ade192-0839-bdd8-d08b-20387a0e8201" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssetsMiscellaneousNoncurrent" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_7d434234-9902-ee76-78ab-213a487d7ad0" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_e6ade192-0839-bdd8-d08b-20387a0e8201" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_7d434234-9902-ee76-78ab-213a487d7ad0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RegulatoryAssetsNoncurrent" xlink:label="loc_us-gaap_RegulatoryAssetsNoncurrent_37520242-4cab-d668-66e7-3dfbfa22da48" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_e6ade192-0839-bdd8-d08b-20387a0e8201" xlink:to="loc_us-gaap_RegulatoryAssetsNoncurrent_37520242-4cab-d668-66e7-3dfbfa22da48" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oge.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_104af714-3829-5d79-3fb3-059f86c366da" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_08614f0c-c3a2-4c92-7c1d-aed5de18fe70" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_104af714-3829-5d79-3fb3-059f86c366da" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_08614f0c-c3a2-4c92-7c1d-aed5de18fe70" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_a269f982-b168-8b73-b7b4-38da20c0fb35" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_08614f0c-c3a2-4c92-7c1d-aed5de18fe70" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_a269f982-b168-8b73-b7b4-38da20c0fb35" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_866e0d33-eabf-2b46-aabe-ae0e1d229b78" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_08614f0c-c3a2-4c92-7c1d-aed5de18fe70" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_866e0d33-eabf-2b46-aabe-ae0e1d229b78" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_df373d95-9aed-55aa-3255-855344ae0add" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_08614f0c-c3a2-4c92-7c1d-aed5de18fe70" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_df373d95-9aed-55aa-3255-855344ae0add" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_11b1e641-cd86-3d66-b07d-893757bffb5e" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_08614f0c-c3a2-4c92-7c1d-aed5de18fe70" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_11b1e641-cd86-3d66-b07d-893757bffb5e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_90cd6d89-f315-788f-d750-05a68667e398" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_08614f0c-c3a2-4c92-7c1d-aed5de18fe70" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_90cd6d89-f315-788f-d750-05a68667e398" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_b0e0f207-ee07-25ec-9e3c-d79202e6be8e" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_08614f0c-c3a2-4c92-7c1d-aed5de18fe70" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_b0e0f207-ee07-25ec-9e3c-d79202e6be8e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_95f67350-d3ec-5d41-e3b2-a4fe7a19e15b" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_104af714-3829-5d79-3fb3-059f86c366da" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_95f67350-d3ec-5d41-e3b2-a4fe7a19e15b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_4bfb598c-5b20-1fea-5801-a6da79e5a964" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_95f67350-d3ec-5d41-e3b2-a4fe7a19e15b" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_4bfb598c-5b20-1fea-5801-a6da79e5a964" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital" xlink:label="loc_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital_ed3866ed-d229-5b3e-0e77-49a1d2bbce3a" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_95f67350-d3ec-5d41-e3b2-a4fe7a19e15b" xlink:to="loc_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital_ed3866ed-d229-5b3e-0e77-49a1d2bbce3a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_ca1c93dd-7216-462e-21d0-48e47bcfcfe4" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_95f67350-d3ec-5d41-e3b2-a4fe7a19e15b" xlink:to="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_ca1c93dd-7216-462e-21d0-48e47bcfcfe4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_104af714-3829-5d79-3fb3-059f86c366da" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_00a475d0-9ed4-5ca4-8e09-183f13a0aa46" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_ProfitLoss_00a475d0-9ed4-5ca4-8e09-183f13a0aa46" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_31fc303b-1b94-6362-1b8a-157609a23bce" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_31fc303b-1b94-6362-1b8a-157609a23bce" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_aa347117-ecf0-6b31-16d5-636a7c2499b9" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_aa347117-ecf0-6b31-16d5-636a7c2499b9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_359134c0-3512-0437-07c4-28574636fc79" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_359134c0-3512-0437-07c4-28574636fc79" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_Increasedecreaseindistributionsfromunconsolidatedaffiliates" xlink:label="loc_oge_Increasedecreaseindistributionsfromunconsolidatedaffiliates_79e66506-b9a7-4440-2c55-df82d509a22d" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_oge_Increasedecreaseindistributionsfromunconsolidatedaffiliates_79e66506-b9a7-4440-2c55-df82d509a22d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_b491733b-d691-f046-2407-68c8e146dc6c" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_b491733b-d691-f046-2407-68c8e146dc6c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_432488d8-28ca-5b8d-679b-29be120957b5" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_ShareBasedCompensation_432488d8-28ca-5b8d-679b-29be120957b5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_0b54a9a6-abc8-9365-0a88-485763fb0af9" xlink:type="locator" />
    <calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_0b54a9a6-abc8-9365-0a88-485763fb0af9" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_IncreaseDecreaseInRegulatoryAssetsNoncurrent" xlink:label="loc_oge_IncreaseDecreaseInRegulatoryAssetsNoncurrent_7d116c5b-6821-8a0f-ce72-df82d5414181" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_oge_IncreaseDecreaseInRegulatoryAssetsNoncurrent_7d116c5b-6821-8a0f-ce72-df82d5414181" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_IncreaseDecreaseInRegulatoryLiabilitiesNoncurrent" xlink:label="loc_oge_IncreaseDecreaseInRegulatoryLiabilitiesNoncurrent_185aa9af-d4ad-ca7f-e074-df82d50b47b9" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_oge_IncreaseDecreaseInRegulatoryLiabilitiesNoncurrent_185aa9af-d4ad-ca7f-e074-df82d50b47b9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_7c8a7ed5-e324-f4d1-e0f2-1bef47015198" xlink:type="locator" />
    <calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_7c8a7ed5-e324-f4d1-e0f2-1bef47015198" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_ea2f1c63-e49d-6ee4-286c-9c83476dc9f1" xlink:type="locator" />
    <calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_ea2f1c63-e49d-6ee4-286c-9c83476dc9f1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_ffe19198-61f8-be6a-6111-42f645804604" xlink:type="locator" />
    <calculationArc order="13" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_ffe19198-61f8-be6a-6111-42f645804604" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInUnbilledReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInUnbilledReceivables_74b08469-6f96-2804-5ecc-9a22aa904b19" xlink:type="locator" />
    <calculationArc order="14" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_IncreaseDecreaseInUnbilledReceivables_74b08469-6f96-2804-5ecc-9a22aa904b19" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_bae7c33e-3fd3-413e-0f2e-aaa9daaa49d7" xlink:type="locator" />
    <calculationArc order="15" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_bae7c33e-3fd3-413e-0f2e-aaa9daaa49d7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredFuelCosts" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredFuelCosts_35c654d2-9018-a0d2-f837-8361cbe5383a" xlink:type="locator" />
    <calculationArc order="16" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredFuelCosts_35c654d2-9018-a0d2-f837-8361cbe5383a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_71d33c1e-c7fc-97d1-1bc4-a959482e606f" xlink:type="locator" />
    <calculationArc order="17" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_71d33c1e-c7fc-97d1-1bc4-a959482e606f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_503015f3-ea26-0d7a-c655-6d6aff0c5fab" xlink:type="locator" />
    <calculationArc order="18" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_503015f3-ea26-0d7a-c655-6d6aff0c5fab" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_IncreaseDecreaseInDeferredFuelCostsCurrentLiabilities" xlink:label="loc_oge_IncreaseDecreaseInDeferredFuelCostsCurrentLiabilities_5ab5f562-fe83-00f5-49bd-df82d46aee27" xlink:type="locator" />
    <calculationArc order="19" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_oge_IncreaseDecreaseInDeferredFuelCostsCurrentLiabilities_5ab5f562-fe83-00f5-49bd-df82d46aee27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_071e32b9-2ae1-0fdb-f801-d54af8ad45c0" xlink:type="locator" />
    <calculationArc order="20" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_071e32b9-2ae1-0fdb-f801-d54af8ad45c0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties_659a63ad-5959-bccb-31e9-0697cb6a5971" xlink:type="locator" />
    <calculationArc order="21" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties_659a63ad-5959-bccb-31e9-0697cb6a5971" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_fa5ab09c-9063-67a9-6f6e-01a281dbb57f" xlink:type="locator" />
    <calculationArc order="22" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_975a3fab-7f49-5162-2cb5-31bb1479931f" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_fa5ab09c-9063-67a9-6f6e-01a281dbb57f" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oge.com/role/CondensedConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_663a641c-b103-1e10-d3ec-c078ec7a031b" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_00a475d0-9ed4-5ca4-8e09-183f13a0aa46" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_663a641c-b103-1e10-d3ec-c078ec7a031b" xlink:to="loc_us-gaap_ProfitLoss_00a475d0-9ed4-5ca4-8e09-183f13a0aa46" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_369c90d1-6da1-8050-c604-fad527301a92" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_663a641c-b103-1e10-d3ec-c078ec7a031b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_369c90d1-6da1-8050-c604-fad527301a92" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_8166ada2-f488-2da1-17db-b37212242e43" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_369c90d1-6da1-8050-c604-fad527301a92" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_8166ada2-f488-2da1-17db-b37212242e43" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax_82666a05-e2fc-3e9b-92c2-a7ab0caaa690" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_369c90d1-6da1-8050-c604-fad527301a92" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax_82666a05-e2fc-3e9b-92c2-a7ab0caaa690" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax" xlink:label="loc_oge_OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax_99da313c-1f46-0151-331e-df82d4c80003" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_369c90d1-6da1-8050-c604-fad527301a92" xlink:to="loc_oge_OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax_99da313c-1f46-0151-331e-df82d4c80003" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_OtherComprehensiveIncomeAmortizationOfDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicPostretirementCostNetOfTax" xlink:label="loc_oge_OtherComprehensiveIncomeAmortizationOfDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicPostretirementCostNetOfTax_56904305-5650-5bcc-71af-df82d4f91036" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_369c90d1-6da1-8050-c604-fad527301a92" xlink:to="loc_oge_OtherComprehensiveIncomeAmortizationOfDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicPostretirementCostNetOfTax_56904305-5650-5bcc-71af-df82d4f91036" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_OtherComprehensiveIncomeAmortizationOfInterestRateSwapNetOfTax" xlink:label="loc_oge_OtherComprehensiveIncomeAmortizationOfInterestRateSwapNetOfTax_3695cca6-13fc-d797-9a79-df82d5230213" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_369c90d1-6da1-8050-c604-fad527301a92" xlink:to="loc_oge_OtherComprehensiveIncomeAmortizationOfInterestRateSwapNetOfTax_3695cca6-13fc-d797-9a79-df82d5230213" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oge.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnauditedParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/CondensedConsolidatedStatementsOfIncomeUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_8baf87d5-5f2f-7d0d-cb85-b9f249bae0c5" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b73f435-08bc-014c-4845-03f6580194a0" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_8baf87d5-5f2f-7d0d-cb85-b9f249bae0c5" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b73f435-08bc-014c-4845-03f6580194a0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b73f435-08bc-014c-4845-03f6580194a0" xlink:to="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_4ce4747e-ba05-83d9-3458-6f9d1635c2ec" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:to="loc_us-gaap_Revenues_4ce4747e-ba05-83d9-3458-6f9d1635c2ec" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_368e9778-4d12-f736-79b9-637804de9992" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_368e9778-4d12-f736-79b9-637804de9992" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_8018a1c5-8b31-881d-1f35-ba7ca791bffa" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:to="loc_us-gaap_OperatingExpenses_8018a1c5-8b31-881d-1f35-ba7ca791bffa" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_70080ee2-ea2b-6059-c384-0abc533bb406" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_8018a1c5-8b31-881d-1f35-ba7ca791bffa" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_70080ee2-ea2b-6059-c384-0abc533bb406" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_35d7e9b2-6ffb-6e68-f590-8605f30d5f8a" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_8018a1c5-8b31-881d-1f35-ba7ca791bffa" xlink:to="loc_us-gaap_DepreciationAndAmortization_35d7e9b2-6ffb-6e68-f590-8605f30d5f8a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TaxesExcludingIncomeAndExciseTaxes" xlink:label="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_f514848d-3e19-b900-1f50-580c0a38d6ae" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_8018a1c5-8b31-881d-1f35-ba7ca791bffa" xlink:to="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_f514848d-3e19-b900-1f50-580c0a38d6ae" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_9fa8ee46-9d2e-0b63-b65e-c559fb6868a2" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b73f435-08bc-014c-4845-03f6580194a0" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_9fa8ee46-9d2e-0b63-b65e-c559fb6868a2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_359134c0-3512-0437-07c4-28574636fc79" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_9fa8ee46-9d2e-0b63-b65e-c559fb6868a2" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_359134c0-3512-0437-07c4-28574636fc79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_b491733b-d691-f046-2407-68c8e146dc6c" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_9fa8ee46-9d2e-0b63-b65e-c559fb6868a2" xlink:to="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_b491733b-d691-f046-2407-68c8e146dc6c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherNonoperatingIncome" xlink:label="loc_us-gaap_OtherNonoperatingIncome_6779fa13-dbef-c5c1-31da-1363bd995596" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_9fa8ee46-9d2e-0b63-b65e-c559fb6868a2" xlink:to="loc_us-gaap_OtherNonoperatingIncome_6779fa13-dbef-c5c1-31da-1363bd995596" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherNonoperatingExpense" xlink:label="loc_us-gaap_OtherNonoperatingExpense_bd352d70-5a6b-2579-1d97-81ddce33e517" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_9fa8ee46-9d2e-0b63-b65e-c559fb6868a2" xlink:to="loc_us-gaap_OtherNonoperatingExpense_bd352d70-5a6b-2579-1d97-81ddce33e517" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_4b6ddf50-6253-3349-fa29-8fc77f744f58" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b73f435-08bc-014c-4845-03f6580194a0" xlink:to="loc_us-gaap_InterestExpense_4b6ddf50-6253-3349-fa29-8fc77f744f58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpenseLongTermDebt" xlink:label="loc_us-gaap_InterestExpenseLongTermDebt_e6856dcb-c360-0c88-bf44-34fc36a13726" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpense_4b6ddf50-6253-3349-fa29-8fc77f744f58" xlink:to="loc_us-gaap_InterestExpenseLongTermDebt_e6856dcb-c360-0c88-bf44-34fc36a13726" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_bd05392a-8886-0a0b-4802-359596d683e7" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpense_4b6ddf50-6253-3349-fa29-8fc77f744f58" xlink:to="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_bd05392a-8886-0a0b-4802-359596d683e7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpenseShortTermBorrowings" xlink:label="loc_us-gaap_InterestExpenseShortTermBorrowings_2732be83-4c3c-3d8f-ccf9-5edfaee69f30" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpense_4b6ddf50-6253-3349-fa29-8fc77f744f58" xlink:to="loc_us-gaap_InterestExpenseShortTermBorrowings_2732be83-4c3c-3d8f-ccf9-5edfaee69f30" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_9b166675-b7b2-1067-1806-03b1ee0126f1" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_8baf87d5-5f2f-7d0d-cb85-b9f249bae0c5" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_9b166675-b7b2-1067-1806-03b1ee0126f1" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oge.com/role/CondensedConsolidatedStatementsOfIncomeUnauditedCalc2" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/DocumentAndEntityInformationDocument" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/FairValueMeasurements" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/FairValueMeasurementsCarryingAndFairValueAmountsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/FairValueMeasurementsFairValueHierarchyDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/IncomeTaxes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/IncomeTaxesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliates" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesReconciliationOfEquityInEarningsOfUnconsolidatedAffiliatesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_359134c0-3512-0437-07c4-28574636fc79" xlink:type="locator" />
    <loc xlink:href="oge-20160930.xsd#oge_ProportionateShareofUnconsolidatedAffiliateNetIncome" xlink:label="loc_oge_ProportionateShareofUnconsolidatedAffiliateNetIncome_d3f8df9d-6eae-6906-d718-df82d473a4f6" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestments_359134c0-3512-0437-07c4-28574636fc79" xlink:to="loc_oge_ProportionateShareofUnconsolidatedAffiliateNetIncome_d3f8df9d-6eae-6906-d718-df82d473a4f6" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_EquityinEarningsAmortizationofBasisDifference" xlink:label="loc_oge_EquityinEarningsAmortizationofBasisDifference_d8ddb690-fe2c-1774-1bd7-df82d54b10ad" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestments_359134c0-3512-0437-07c4-28574636fc79" xlink:to="loc_oge_EquityinEarningsAmortizationofBasisDifference_d8ddb690-fe2c-1774-1bd7-df82d54b10ad" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_EquityinEarningsEliminationofFairValueAdjustments" xlink:label="loc_oge_EquityinEarningsEliminationofFairValueAdjustments_bcf98617-24cd-41c0-1be9-df82d47dfcc3" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestments_359134c0-3512-0437-07c4-28574636fc79" xlink:to="loc_oge_EquityinEarningsEliminationofFairValueAdjustments_bcf98617-24cd-41c0-1be9-df82d47dfcc3" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesRelatedPartyTransactionsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesSummarizedBalanceSheetInformationOfEquityMethodInvestmentDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesSummarizedIncomeStatementOfEquityMethodInvestmentDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/InvestmentInUnconsolidatedAffiliatesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/LongTermDebt" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/LongTermDebtDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/LongTermDebtTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/RateMattersAndRegulation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/RateMattersAndRegulationRateMattersAndRegulationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/RegulatedOperationsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/ReportOfBusinessSegments" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/ReportOfBusinessSegmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_00a475d0-9ed4-5ca4-8e09-183f13a0aa46" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_00a475d0-9ed4-5ca4-8e09-183f13a0aa46" xlink:to="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_4ce4747e-ba05-83d9-3458-6f9d1635c2ec" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:to="loc_us-gaap_Revenues_4ce4747e-ba05-83d9-3458-6f9d1635c2ec" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_368e9778-4d12-f736-79b9-637804de9992" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_368e9778-4d12-f736-79b9-637804de9992" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_70080ee2-ea2b-6059-c384-0abc533bb406" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_70080ee2-ea2b-6059-c384-0abc533bb406" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_35d7e9b2-6ffb-6e68-f590-8605f30d5f8a" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:to="loc_us-gaap_DepreciationAndAmortization_35d7e9b2-6ffb-6e68-f590-8605f30d5f8a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TaxesExcludingIncomeAndExciseTaxes" xlink:label="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_f514848d-3e19-b900-1f50-580c0a38d6ae" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_800dbb3e-0416-e0ab-a30e-cfaeb17b8c4c" xlink:to="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_f514848d-3e19-b900-1f50-580c0a38d6ae" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_359134c0-3512-0437-07c4-28574636fc79" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_00a475d0-9ed4-5ca4-8e09-183f13a0aa46" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_359134c0-3512-0437-07c4-28574636fc79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_b936f21a-1a1f-465e-d82c-5e014c9c5399" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_00a475d0-9ed4-5ca4-8e09-183f13a0aa46" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_b936f21a-1a1f-465e-d82c-5e014c9c5399" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_4b6ddf50-6253-3349-fa29-8fc77f744f58" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_00a475d0-9ed4-5ca4-8e09-183f13a0aa46" xlink:to="loc_us-gaap_InterestExpense_4b6ddf50-6253-3349-fa29-8fc77f744f58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_9b166675-b7b2-1067-1806-03b1ee0126f1" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_00a475d0-9ed4-5ca4-8e09-183f13a0aa46" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_9b166675-b7b2-1067-1806-03b1ee0126f1" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oge.com/role/ReportOfBusinessSegmentsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/RetirementPlansAndPostretirementBenefitPlans" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/RetirementPlansAndPostretirementBenefitPlansDetails" xlink:type="extended">
    <loc xlink:href="oge-20160930.xsd#oge_DefinedBenefitPlanNetPeriodicBenefitCostNetOfUnconsolidatedAffiliates" xlink:label="loc_oge_DefinedBenefitPlanNetPeriodicBenefitCostNetOfUnconsolidatedAffiliates_ff1d2c9f-d4ad-d318-4b59-df82d5137b4d" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fb35567d-af94-e986-7425-f369c05384fc" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_oge_DefinedBenefitPlanNetPeriodicBenefitCostNetOfUnconsolidatedAffiliates_ff1d2c9f-d4ad-d318-4b59-df82d5137b4d" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fb35567d-af94-e986-7425-f369c05384fc" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_f2ed32d2-85ad-f58f-ab2d-3b2179460e9b" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fb35567d-af94-e986-7425-f369c05384fc" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_f2ed32d2-85ad-f58f-ab2d-3b2179460e9b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_cd88e803-25ae-d4fb-0989-daba14b2ac68" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fb35567d-af94-e986-7425-f369c05384fc" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_cd88e803-25ae-d4fb-0989-daba14b2ac68" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_c19f8e1b-2030-51d6-2fba-848f04e86d5a" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fb35567d-af94-e986-7425-f369c05384fc" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_c19f8e1b-2030-51d6-2fba-848f04e86d5a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss" xlink:label="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss_0585d40e-758e-c965-46c7-5ccd8d096e38" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fb35567d-af94-e986-7425-f369c05384fc" xlink:to="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss_0585d40e-758e-c965-46c7-5ccd8d096e38" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_7493028d-92b4-42b2-4575-fa8ea8ba2bc0" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fb35567d-af94-e986-7425-f369c05384fc" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_7493028d-92b4-42b2-4575-fa8ea8ba2bc0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanSettlementsBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_37fba834-46f1-c5be-72fa-78db0f406a85" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fb35567d-af94-e986-7425-f369c05384fc" xlink:to="loc_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_37fba834-46f1-c5be-72fa-78db0f406a85" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_AmountAttributabletoUnconsolidatedAffiliates" xlink:label="loc_oge_AmountAttributabletoUnconsolidatedAffiliates_ad994430-8203-307a-f2b5-df82d489ddee" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_oge_DefinedBenefitPlanNetPeriodicBenefitCostNetOfUnconsolidatedAffiliates_ff1d2c9f-d4ad-d318-4b59-df82d5137b4d" xlink:to="loc_oge_AmountAttributabletoUnconsolidatedAffiliates_ad994430-8203-307a-f2b5-df82d489ddee" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oge.com/role/RetirementPlansAndPostretirementBenefitPlansTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/ShortTermDebtAndCreditFacilities" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/ShortTermDebtAndCreditFacilitiesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/ShortTermDebtAndCreditFacilitiesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/StockBasedCompensation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/StockBasedCompensationDetails" xlink:type="extended">
    <loc xlink:href="oge-20160930.xsd#oge_AllocatedShareBasedCompensationExpenseNetOfUnconsolidatedAffiliates" xlink:label="loc_oge_AllocatedShareBasedCompensationExpenseNetOfUnconsolidatedAffiliates_42c4ff75-6350-71c1-a832-df82d48ea205" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_da05491a-7df3-f829-1030-88dda978e871" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_oge_AllocatedShareBasedCompensationExpenseNetOfUnconsolidatedAffiliates_42c4ff75-6350-71c1-a832-df82d48ea205" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_da05491a-7df3-f829-1030-88dda978e871" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_AmountAttributabletoUnconsolidatedAffiliates" xlink:label="loc_oge_AmountAttributabletoUnconsolidatedAffiliates_ad994430-8203-307a-f2b5-df82d489ddee" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_oge_AllocatedShareBasedCompensationExpenseNetOfUnconsolidatedAffiliates_42c4ff75-6350-71c1-a832-df82d48ea205" xlink:to="loc_oge_AmountAttributabletoUnconsolidatedAffiliates_ad994430-8203-307a-f2b5-df82d489ddee" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oge.com/role/StockBasedCompensationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAociDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_767808f1-67e4-3a9e-d369-91823cb4cb6e" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_4afe630a-58d8-30a4-8e83-67bd4aa54fe1" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_767808f1-67e4-3a9e-d369-91823cb4cb6e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_4afe630a-58d8-30a4-8e83-67bd4aa54fe1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax_3a5a294b-33db-2c13-45e8-67ff44070f7c" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_767808f1-67e4-3a9e-d369-91823cb4cb6e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax_3a5a294b-33db-2c13-45e8-67ff44070f7c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_72f40f82-1b0d-bdca-befa-462cdb272f94" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_0bcdddd0-5ac2-e4f0-90de-e813383b7c7e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_72f40f82-1b0d-bdca-befa-462cdb272f94" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_0bcdddd0-5ac2-e4f0-90de-e813383b7c7e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_7d5eb44c-4920-efd6-dc8f-e9e3fe680a8b" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_0bcdddd0-5ac2-e4f0-90de-e813383b7c7e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_7d5eb44c-4920-efd6-dc8f-e9e3fe680a8b" xlink:type="arc" />
    <loc xlink:href="oge-20160930.xsd#oge_OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansSettlementCostbeforeTax" xlink:label="loc_oge_OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansSettlementCostbeforeTax_88d691c9-fc33-9f04-c994-df82d4a246bc" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_0bcdddd0-5ac2-e4f0-90de-e813383b7c7e" xlink:to="loc_oge_OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansSettlementCostbeforeTax_88d691c9-fc33-9f04-c994-df82d4a246bc" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_5ff868c1-c1a0-5758-a34e-ac1b9b1c7509" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_0bcdddd0-5ac2-e4f0-90de-e813383b7c7e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_5ff868c1-c1a0-5758-a34e-ac1b9b1c7509" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax_1ffd7902-6246-4399-1e3c-8436c5625bf5" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_72f40f82-1b0d-bdca-befa-462cdb272f94" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax_1ffd7902-6246-4399-1e3c-8436c5625bf5" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesAssetRetirementObligationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesEquityOwnershipDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesReclassificationsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.oge.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended" />
</linkbase>
