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      <OfficeExpensesGrp>
        <TotalAmt>165669</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>21909</TotalAmt>
      </InformationTechnologyGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>14050</TotalAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>351812</TotalAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>1121622</TotalAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>89297</TotalAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>Cost of power</Desc>
        <TotalAmt>3255247</TotalAmt>
        <ProgramServicesAmt>3255247</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Transmission &amp; distribution</Desc>
        <TotalAmt>489930</TotalAmt>
        <ProgramServicesAmt>489930</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Admin &amp; general expenses</Desc>
        <TotalAmt>240677</TotalAmt>
        <ProgramServicesAmt>240677</ProgramServicesAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>8556660</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>28271</BOYAmt>
        <EOYAmt>389912</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>1035284</BOYAmt>
        <EOYAmt>83020</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>830777</BOYAmt>
        <EOYAmt>910923</EOYAmt>
      </AccountsReceivableGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>473639</BOYAmt>
        <EOYAmt>515898</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>275009</BOYAmt>
        <EOYAmt>234174</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>37950301</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>21183547</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>16146390</BOYAmt>
        <EOYAmt>16766754</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsProgramRelatedGrp>
        <BOYAmt>486839</BOYAmt>
        <EOYAmt>493259</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <TotalAssetsGrp>
        <BOYAmt>19276209</BOYAmt>
        <EOYAmt>19393940</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>944702</BOYAmt>
        <EOYAmt>933290</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>279960</BOYAmt>
        <EOYAmt>301348</EOYAmt>
      </DeferredRevenueGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>9422820</BOYAmt>
        <EOYAmt>9358599</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>270283</BOYAmt>
        <EOYAmt>277748</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>10917765</BOYAmt>
        <EOYAmt>10870985</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
      <PdInCapSrplsLandBldgEqpFundGrp>
        <BOYAmt>618236</BOYAmt>
        <EOYAmt>643676</EOYAmt>
      </PdInCapSrplsLandBldgEqpFundGrp>
      <RtnEarnEndowmentIncmOthFndsGrp>
        <BOYAmt>7740208</BOYAmt>
        <EOYAmt>7879279</EOYAmt>
      </RtnEarnEndowmentIncmOthFndsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>8358444</BOYAmt>
        <EOYAmt>8522955</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>19276209</BOYAmt>
        <EOYAmt>19393940</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>158879</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>5632</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="990D">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>71972</OtherCostOrOtherBasisAmt>
        <BookValueAmt>71972</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>1002600</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>709412</DepreciationAmt>
        <BookValueAmt>293188</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>2698237</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>2305140</DepreciationAmt>
        <BookValueAmt>393097</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>34177492</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>18168995</DepreciationAmt>
        <BookValueAmt>16008497</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>16766754</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Consumer deposits</Desc>
        <Amt>277748</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>277748</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>8715539</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>8715539</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>8715539</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>8119207</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>8119207</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>437453</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>437453</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>8556660</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 4b-Other expenses not included on Sch D but on 990</FormAndLineReferenceDesc>
        <ExplanationTxt>Retirement of patronage capital credits 437,453</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2-Text in footnote regarding FIN 48 (ASC 740)</FormAndLineReferenceDesc>
        <ExplanationTxt>The Cooperative has not identified any uncertain income tax positions that would jeopardize its tax-exempt status. The Cooperatives income tax returns are subject to review and examination by federal authorities. With few exceptions, the tax returns essentially remain open for possible examination for a period of three years after the respective filing deadlines of those returns.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="990J">
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Derek Sorley</PersonNm>
        <TitleTxt>General Manager</TitleTxt>
        <BaseCompensationFilingOrgAmt>158606</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>1787</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>13231</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>46948</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>13255</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>233827</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Mark Betts</PersonNm>
        <TitleTxt>Operations Manager</TitleTxt>
        <BaseCompensationFilingOrgAmt>114351</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>1245</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>1315</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>33778</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>25401</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>176090</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Gabe Havener</PersonNm>
        <TitleTxt>Foreman</TitleTxt>
        <BaseCompensationFilingOrgAmt>102985</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>162</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>16319</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>30250</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>25264</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>174980</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jared Hebdon</PersonNm>
        <TitleTxt>Foreman</TitleTxt>
        <BaseCompensationFilingOrgAmt>102188</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>162</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>13341</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>30226</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>25264</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>171181</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Zack Zukowski</PersonNm>
        <TitleTxt>Journeyman Lineman</TitleTxt>
        <BaseCompensationFilingOrgAmt>92902</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>162</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>19046</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>27480</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>25156</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>164746</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="990O">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Members or stockholder classes and rights Part VI line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Members are businesses and individuals which receive electric service from thecooperative.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Member election for additional members Part VI line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Each member of the Cooperative is entitled to vote in the election of the Board ofDirectors, which serve three year terms. Elections are held every year at the annual meeting held in March.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing body decisions Part VI line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>All bylaw changes recommended by the Board of Directors are approved and ratified by the majority of quorum membership at the Cooperatives annual meeting.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 governing body review Part VI line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>After the Form 990 has been prepared by the independent accountants, the GeneralManager and staff review the form for accuracy and completeness. After the GeneralManager has approved the Form 990, it is submitted to the Board for their review and approval prior to its filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Conflict of interest policy compliance Part VI line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>All trustees must disclose to the Board of Directors any situation or transaction in which the trustee is involved which violates, or could appear to violate the intent of the conflict of interest policy. The Board will then determine what action, if any, should be taken. Each trustee is responsible for ensuring that his or her actions and behavior are in accordance with this policy. The Board President shall be responsible for ensuring that all trustees adhere to this policy; however, any trustee may bring to the attention of the Board any perceived violation of the conflict of interest policy.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>CEO executive director top management comp Part VI line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>Montana Electric Cooperative Association (MECA) and the National Rural ElectricCooperative Association (NRECA) performs an annual salary survey by job classification. The Board of Directors use these surveys to determine the salaryguidelines for the General Manager.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other officer or key employee compensation Part VI line 15b</FormAndLineReferenceDesc>
        <ExplanationTxt>Montana Electric Cooperative Association (MECA) and the National Rural ElectricCooperative Association (NRECA) performs an annual salary survey by jobclassification. The General Manager uses these surveys and the employment cost index to determine the range of salaries for exempt, non-union positions. TheCooperatives other employee salaries are established by a signed collectivelybargained union contract.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing documents etc available to public Part VI line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>All governing documents, policies and financial reports (including the Form 7 andForm 990) are available upon request at the Cooperatives headquarters office. Inaddition, each new member is provided with a copy of the Cooperatives bylaws. Also, the Statement of Financial Condition is sent out yearly to all members prior to the annual meeting held in March of each year.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Explanation of other changes in net assets or fund balances Part XI line 9</FormAndLineReferenceDesc>
        <ExplanationTxt>Donated capital: 5,632</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>