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      <TotalNetAssetsFundBalanceGrp>
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        <EOYAmt>5802244</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>20453740</BOYAmt>
        <EOYAmt>21824827</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>90782</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>-23075</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>88036</OtherCostOrOtherBasisAmt>
        <BookValueAmt>88036</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>3341286</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>188704</DepreciationAmt>
        <BookValueAmt>3152582</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>18546672</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>5176589</DepreciationAmt>
        <BookValueAmt>13370083</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>149372</OtherCostOrOtherBasisAmt>
        <BookValueAmt>149372</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>16760073</TotalBookValueLandBuildingsAmt>
      <InvstProgramRelatedOrgGrp>
        <Desc>EAST RIVER ELECTRIC POWER COOPERATIVE, INC.</Desc>
        <BookValueAmt>2791192</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION</Desc>
        <BookValueAmt>183069</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>FEDERATED RURAL ELECTRIC INSURANCE EXCHANGE</Desc>
        <BookValueAmt>50343</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>RURAL ELECTRIC ECONOMIC DEVELOPMENT, INC.</Desc>
        <BookValueAmt>19000</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>MEMBERSHIPS</Desc>
        <BookValueAmt>2725</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>RURAL ELECTRIC SUPPLY COOPERATIVE</Desc>
        <BookValueAmt>109294</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>CO BANK</Desc>
        <BookValueAmt>957</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <TotalBookValueProgramRltdAmt>3156580</TotalBookValueProgramRltdAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>CUSTOMER DEPOSITS</Desc>
        <Amt>270124</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>270124</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>5048705</TotalRevEtcAuditedFinclStmtAmt>
      <OtherRevenueAmt>-1900</OtherRevenueAmt>
      <RevenueNotReportedAmt>-1900</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>5050605</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>5050605</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>4957923</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>4957923</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>1900</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>1900</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>4959823</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COOPERATIVE BELIEVES IT HAS APPROPRIATE SUPPORT FOR ANY TAX POSITIONS TAKEN AFFECTING ITS ANNUAL FILING REQUIREMENTS, AND AS SUCH, DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS THAT ARE MATERIAL TO THE FINANCIAL STATEMENTS. THE COOPERATIVE WOULD RECOGNIZE FUTURE ACCRUED INTEREST AND PENALTIES RELATED TO UNRECOGNIZED TAX BENEFITS IN INCOME TAX EXPENSE IF SUCH INTEREST AND PENALTIES ARE INCURRED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>DONATIONS GIVEN INCLUDED AS REVENUE ON FINANCIAL STATEMENTS -1,900.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>DONATIONS GIVEN INCLUDED AS EXPENSE ON 990 1,900.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MATT KLEIN</PersonNm>
        <TitleTxt>GENERAL MANAGER</TitleTxt>
        <BaseCompensationFilingOrgAmt>162189</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>711</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>29436</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>29306</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>221642</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KORY FRANK</PersonNm>
        <TitleTxt>OPERATIONS MANAGER</TitleTxt>
        <BaseCompensationFilingOrgAmt>109276</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>711</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>17296</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>30481</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>157764</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART II, COLUMN C</FormAndLineReferenceDesc>
        <ExplanationTxt>PER THE INSTRUCTIONS, COLUMN C INCLUDES THE CHANGE IN ACTUARIAL VALUE IN THE DEFINED BENEFIT PLAN FOR PERSONS LISTED IN SCHEDULE J, PART II. ACTUAL EXPENSE OF THE PLAN MAY BE SIGNIFICANTLY DIFFERENT FROM THE CHANGE IN ACTUARIAL VALUE. DETAILS RELEVANT TO THE DEFINED BENEFIT PLAN ARE AS FOLLOWS: MATT KLEIN - ACTUAL EXPENSE $35,392; CHANGE IN ACTUARIAL VALUE $24,611. KORY FRANK - ACTUAL EXPENSE $23,055; CHANGE IN ACTUARIAL VALUE $14,142.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS ARE ALL OF THE SAME CLASS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH MEMBER IS OF THE SAME CLASS AND HAS ONE VOTE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COOPERATIVE MAY NOT SELL, LEASE, OR OTHERWISE DISPOSE OF ALL OR A SUBSTANTIAL PORTION OF ITS PROPERTY, UNLESS SUCH SALE, LEASE OR OTHER DISPOSAL IS AUTHORIZED BY THE AFFIRMATIVE VOTE OF NOT LESS THAN A MAJORITY OF ALL MEMBERS OF THE COOPERATIVE. ALONG WITH THAT, AMENDMENTS TO THE BYLAWS OF THE COOPERATIVE MUST BE APPROVED BY THE MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS NO COMMITTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GENERAL MANAGER AND BOARD OF DIRECTORS WILL REVIEW THE FORM 990 AT A REGULARLY SCHEDULED BOARD MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EMPLOYEES AND DIRECTORS ARE COVERED BY THE CONFLICT OF INTEREST POLICY. THE PROCESS IS LEFT UP TO THE DIRECTORS &amp; MANAGER TO MONITOR. ANY CONFLICTS WOULD BE REVIEWED. TERMINATION OR EXPULSION WOULD BE IMPOSED ON A DIRECTOR AND TERMINATION ON AN EMPLOYEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>WAGES WERE COMPARED TO OTHER COOPERATIVES OF SIMILAR SIZE USING THE WAGE AND SALARY REPORT PREPARED BY SOUTH DAKOTA RURAL ELECTRIC ASSOCIATION (SDREA). THIS PROCESS IS DONE ANNUALLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THIS INFORMATION IS PROVIDED TO MEMBERS IN THE ANNUAL REPORT. AT OTHER TIMES, THIS INFORMATION IS AVAILABLE UPON REQUEST TO BOTH THE MEMBERS AND THE PUBLIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, COLUMN F, OTHER COMPENSATION:</FormAndLineReferenceDesc>
        <ExplanationTxt>INCLUDED IN OTHER COMPENSATION IS THE ESTIMATED CURRENT YEAR INCREASE OR DECREASE IN THE ACTUARIAL VALUE OF THE DEFINED BENEFIT PLAN. THE CURRENT YEAR INCREASE OR DECREASE DOES NOT REPRESENT CURRENT YEAR CONTRIBUTIONS TO THE PLAN. RATHER, IT IS AN ESTIMATE OF THE INCREASE OR DECREASE IN THE ACTUARIAL VALUE OF THE PLAN AS CALCULATED BY THE PLAN ADMINISTRATOR. SEE SCHEDULE J FOR ADDITIONAL INFORMATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, SECTION A</FormAndLineReferenceDesc>
        <ExplanationTxt>MATT KLEIN, THE GENERAL MANAGER, ALSO ACTS AS THE TOP FINANCIAL OFFICER OF THE COOPERATIVE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN MEMBERSHIPS -20. RETIREMENT OF CAPITAL CREDITS -23,055.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 24E STATEMENT OF FUNCTIONAL EXPENSES:</FormAndLineReferenceDesc>
        <ExplanationTxt>ALLOCATED AND OTHER EXPENSE: THE LABOR, PENSION AND PAYROLL TAXES REPORTED ON LINES 5-10 ARE INCLUDED IN DISTRIBUTION EXPENSE, ADMINISTRATIVE &amp; GENERAL EXPENSE AND CUSTOMER EXPENSE. THEREFORE, LABOR, PENSION AND PAYROLL TAXES ARE SHOWN AS A REDUCTION TO OTHER EXPENSES ON LINE 24E.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 4, BENEFITS PAID TO OR FOR MEMBERS:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COOPERATIVE HAS INTERPRETED THE INSTRUCTIONS TO PART IX, LINE 4, TO MEAN PATRONAGE CAPITAL ALLOCATED FOR THE YEAR, RATHER THAN PATRONAGE CAPITAL RETIRED. THIS IS CONSISTENT WITH THE BY-LAWS OF THE COOPERATIVE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>