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        <Desc>IEA K-1</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>10522</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>10522</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>32042746</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>211208</TotalRevenueColumnAmt>
        <ExclusionAmt>211208</ExclusionAmt>
      </InvestmentIncomeGrp>
      <OtherRevenueMiscGrp>
        <Desc>CAPITAL CREDITS</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>2719595</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2719595</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>MISCELLANEOUS REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1108839</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1108839</RelatedOrExemptFuncIncomeAmt>
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      <OtherRevenueMiscGrp>
        <Desc>K-1 WDUS HOLDINGS, LLC</Desc>
        <BusinessCd>230000</BusinessCd>
        <TotalRevenueColumnAmt>-12207</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>-12207</UnrelatedBusinessRevenueAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>3816227</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>36070181</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>35871180</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>-12207</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>211208</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>95375</TotalAmt>
      </GrantsToDomesticOrgsGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>4101890</TotalAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>420844</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>373404</TotalAmt>
      </PensionPlanContributionsGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>183245</TotalAmt>
      </FeesForServicesManagementGrp>
      <InterestGrp>
        <TotalAmt>791675</TotalAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>1575547</TotalAmt>
      </DepreciationDepletionGrp>
      <OtherExpensesGrp>
        <Desc>COST OF POWER</Desc>
        <TotalAmt>25279152</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DISTRIBUTION - OPERATIO</Desc>
        <TotalAmt>1669464</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>ADMIN AND GENERAL</Desc>
        <TotalAmt>454900</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DISTRIBUTION - MAINTENA</Desc>
        <TotalAmt>382217</TotalAmt>
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      <AllOtherExpensesGrp>
        <TotalAmt>742468</TotalAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>36070181</TotalAmt>
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        <EOYAmt>3134905</EOYAmt>
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        <EOYAmt>18793904</EOYAmt>
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        <EOYAmt>1922450</EOYAmt>
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      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>19312820</BOYAmt>
        <EOYAmt>21453124</EOYAmt>
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      <OtherAssetsTotalGrp>
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        <EOYAmt>599077</EOYAmt>
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        <BOYAmt>11233799</BOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>30096485</BOYAmt>
        <EOYAmt>44761182</EOYAmt>
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      <OrgDoesNotFollowSFAS117Ind>X</OrgDoesNotFollowSFAS117Ind>
      <CapStkTrPrinCurrentFundsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
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      <PdInCapSrplsLandBldgEqpFundGrp>
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        <EOYAmt>0</EOYAmt>
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      <RtnEarnEndowmentIncmOthFndsGrp>
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        <EOYAmt>63827555</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>59593291</BOYAmt>
        <EOYAmt>63827555</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>89689776</BOYAmt>
        <EOYAmt>108588737</EOYAmt>
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      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>0</ReconcilationRevenueExpnssAmt>
      <PriorPeriodAdjustmentsAmt>511008</PriorPeriodAdjustmentsAmt>
      <OtherChangesInNetAssetsAmt>3723256</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>330452</OtherCostOrOtherBasisAmt>
        <BookValueAmt>330452</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>2818787</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>659701</DepreciationAmt>
        <BookValueAmt>2159086</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>69803609</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>16336630</DepreciationAmt>
        <BookValueAmt>53466979</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>55956517</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>NISC INVESTMENTS</Desc>
        <BookValueAmt>1000000</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>PATRONAGE CAPITAL CREDITS-ELECTRIC SUPPLIER</Desc>
        <BookValueAmt>16362003</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>MEMBERSHIPS</Desc>
        <BookValueAmt>1750</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>FEDERATED STOCK</Desc>
        <BookValueAmt>115445</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>NRUCFC CERTIFICATES</Desc>
        <BookValueAmt>1230498</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>INVESTMENT IN SLOPE SERVICES</Desc>
        <BookValueAmt>53758</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>PATRONAGE CAPITAL CREDITS-OTHER SUPPLIER</Desc>
        <BookValueAmt>1008074</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>INVESTMENT IN WDUS HOLDINGS</Desc>
        <BookValueAmt>1672857</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>MISCELLANEOUS INVESTMETN</Desc>
        <BookValueAmt>8739</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>21453124</TotalBookValueSecuritiesAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED CREDITS</Desc>
        <Amt>13860388</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>13860388</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>FIN 48 DISCLOSURE - IT IS THE OPINION OF MANAGEMENT THAT THE COOPERATIVE HAS NO SIGNIFICANT UNCERTAIN TAX POSITIONS THAT WOULD BE SUBJECT TO CHANGE UPON EXAMINATION. THE FEDERAL INCOME TAX RETURNS OF THE COOPERATIVE ARE SUBJECT TO EXAMINATION BY THE IRS, GENERALLY FOR THREE YEARS AFTER THEY WERE FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>SOUTHWEST HEALTHCARE SERVICES</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>802 2ND ST NW</AddressLine1Txt>
          <CityNm>BOWMAN</CityNm>
          <StateAbbreviationCd>ND</StateAbbreviationCd>
          <ZIPCd>58623</ZIPCd>
        </USAddress>
        <RecipientEIN>450458242</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>INSTALLMENT OF $250,000 DONATION TO BE PAID OVER 5 YEARS FOR EMERGENCY SERVICES CONTINGENT UPON BEING INVOICED ANNUALLY</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>WEST RIVER HEALTH SERVICES</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1000 HIGHWAY 12</AddressLine1Txt>
          <CityNm>HETTINGER</CityNm>
          <StateAbbreviationCd>ND</StateAbbreviationCd>
          <ZIPCd>58639</ZIPCd>
        </USAddress>
        <RecipientEIN>450411825</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>20000</CashGrantAmt>
        <PurposeOfGrantTxt>INSTALLMENT OF $100,000 DONATION TO BE PAID OVER 5 YEARS FOR EMERGENCY SERVICES CONTINGENT UPON BEING INVOICED ANNUALLY</PurposeOfGrantTxt>
      </RecipientTable>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL CONTRIBUTION REQUESTS ARE REVIEWED AND APPROVED BY THE FULL BOARD. CONTRIBUTIONS ARE MADE TO ONLY ELIGIBLE ORGANIZATIONS THAT ARE PROVIDING SERVICES OR HELP WITHIN THE COOPERATIVE'S SERVICE AREA. CONTRIBUTIONS MUST BE USED FOR THE ELIGIBLE CHARITABLE PURPOSES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LAWANNA WILHELM</PersonNm>
        <TitleTxt>KEY ACCOUNTS EXECUTIVE</TitleTxt>
        <BaseCompensationFilingOrgAmt>130043</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>50100</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>5737</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>185880</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DEAN VOLK</PersonNm>
        <TitleTxt>OPERATIONS MANAGER</TitleTxt>
        <BaseCompensationFilingOrgAmt>114176</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>117095</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>21916</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>253187</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RODNEY BENZ</PersonNm>
        <TitleTxt>AMR/SCADA TECHNICIAN</TitleTxt>
        <BaseCompensationFilingOrgAmt>114925</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>39162</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>5807</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>159894</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <BusinessName>
            <BusinessNameLine1Txt>INNOVATIVE ENERGY ALLIANCE</BusinessNameLine1Txt>
          </BusinessName>
        </NameOfInterested>
        <RelationshipDescriptionTxt>DON FRANKLUND AND CHRIS BAUMGARTNER ARE OFFICERS OF BOTH ENTITIES</RelationshipDescriptionTxt>
        <TransactionAmt>479679</TransactionAmt>
        <TransactionDesc>PAYMENT OF MANAGEMENT SERVICES</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>INNOVATIVE ENERGY ALLIANCE IS A SEPARATE LLC FORMED BY FOUR ELECTRIC COOPERATIVES IN THE STATE OF NORTH DAKOTA TO PROVIDE MANAGEMENT AND ADVISORY SERVCIES TO THE FOUR COOPERATIVES. SLOPE ELECTRIC COOPERATIVE HAS HIRED INNOVATIVE ENERGY ALLIANCE TO PROVIDE MANAGEMENT, HUMAN RESOURCES AND INFORMATION SERVICES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>INDIVIDUALS AND ENTITIES RECEIVING ELECTRICAL POWER FROM THE COOPERATIVE ARE MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL MEMBERS MAY VOTE. MEMBERS ELECT THE ENTIRE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>AT THE ANNUAL MEETING, ALL BYLAW CHANGES MUST BE APPROVED BY THE MEMBERS AND THE MEMBERS MAY VOTE ON MOTIONS CONCERNING THE OPERATIONS OF THE COOPERATIVE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COMPLETED 990 IS REVIEWED AT A MONTHLY BOARD MEETING AND ACCEPTED BY THE BOARD PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL DIRECTORS ARE REQUIRED TO ANNUALLY SIGN OFF A CONFLICT OF INTEREST AND UPDATE THE OTHER BOARD MEMBERS ANY TIME A CONFLICT ARISES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>COSTS FOR MANAGEMENT WERE COMPARED TO STATE AVERAGES, PRIOR WAGES, AND APPROVED BY THE FULL BOARD AFTER BOARD DELIBERATION. PAY IS REVIEWED ANNUALLY. CHANGES ARE BASED ON MERIT, CPI, AND COMPARATIVE WAGES. BOARD OF DIRECTORS MUST APPROVE THESE CHANGES. THE PAYROLL CHANGES FOR OTHER KEY EMPLOYEES ARE BASED ON THE SAME CRITERIA AS CEO.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS FORM 1024 AND FORMS 990/990-T AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST. ANNUAL FINANCIALS ARE PRESENTED AT THE ANNUAL MEMBERSHIP MEETING EACH YEAR IN JUNE. GOVERNING DOCUMENTS ARE MADE AVAILABLE TO EACH MEMBER WHEN THEY INITIALLY BECOME A MEMBER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII</FormAndLineReferenceDesc>
        <ExplanationTxt>DON FRANKLUND, CHRIS BAUMGARTNER, AND TRAVIS KUPPER ARE EMPLOYEES OF INNOVATIVE ENERGY ALLIANCE, A SEPERATE UNRELATED ENTITY THAT PROVIDES MANAGEMENT SERVICES TO RURAL ELECTRIC COOPERATIVES IN NORTH DAKOTA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, SECTION A, COLUMN F</FormAndLineReferenceDesc>
        <ExplanationTxt>INCLUDED IN COLUMN F, ESTIMATED AMOUNT OF OTHER COMPENSATION, IS THE ESTIMATED ANNUAL INCREASE IN THE ACTUARIAL VALUE OF THE DEFINED BENEFIT PLAN. THE ESTIMATED INCREASE FOR ALL INDIVIDUALS LISTED ON THE TABLE IS AS FOLLOWS: LAWANNA WILHELM - $50,100 DEAN VOLK - $117,095 RODNEY BENZ - $39,162 THIS AMOUNT IS AN ESTIMATE OF THE INCREASE OF THE VALUE OF THE PLAN AND IS NOT A CURRENT YEAR EXPENSE OF THE COOPERATIVE, THEREFORE THESE AMOUNTS HAVE NOT BEEN CARRIED OVER TO OFFICER/DIRECTOR COMPENSATION ON THE STATEMENT OF FUNCTIONAL EXPENSE FOR THE APPLICABLE INDIVIDUALS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>RETIREMENT OF CAPITAL CREDITS -378,634. ALLOCATED CAPITAL CREDITS 4,101,890.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 2(C)</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE WAS NO CHANGE IN THE OVERSITE OR SELECTION PROCESS OF THE INDEPENDENT AUDITORS. THE FULL BOARD OF DIRECTORS REVIEWED AND APPROVED THE INDEPENDENT AUDITORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AMOUNT OF $4,101,890 ON THIS LINE IS FOR PATRONAGE DIVIDENDS. THE COOPERATIVE HAS INTERPRETED PATRONAGE DIVIDENDS TO MEAN THE AMOUNT OF CAPITAL CREDITS THAT WERE ALLOCATED TO MEMBERS IN THE CURRENT YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043500001">
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WDUS HOLDINGS LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>4001 30TH AVE NW</AddressLine1Txt>
          <CityNm>MANDAN</CityNm>
          <StateAbbreviationCd>ND</StateAbbreviationCd>
          <ZIPCd>58554</ZIPCd>
        </USAddress>
        <EIN>473324612</EIN>
        <PrimaryActivitiesTxt>PROVIDE CONSTRUCTION SERVICES TO ELECTRIC COOPERATIVES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>ND</LegalDomicileStateCd>
        <PredominantIncomeTypeTxt>UNRELATED</PredominantIncomeTypeTxt>
        <ShareOfTotalIncomeAmt>-84847</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>2093359</ShareOfEOYAssetsAmt>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
        <OwnershipPct>0.33330</OwnershipPct>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SLOPE SERVICES INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>PO BOX 338</AddressLine1Txt>
          <CityNm>NEW ENGLAND</CityNm>
          <StateAbbreviationCd>ND</StateAbbreviationCd>
          <ZIPCd>58647</ZIPCd>
        </USAddress>
        <EIN>450446958</EIN>
        <PrimaryActivitiesTxt>SUBSIDIARY THAT PROVIDES MEDICAL ALERT PHONE SYSTEMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>ND</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>SLOPE ELECTRIC COOPERATIVE INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>-56650</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>85931</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>1</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>1</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SLOPE SERVICES INC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>Q</TransactionTypeTxt>
        <InvolvedAmt>99887</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>ACTUAL COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>WDUS HOLDINGS LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>M</TransactionTypeTxt>
        <InvolvedAmt>1805590</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>ACTUAL COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>WDUS HOLDINGS LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>F</TransactionTypeTxt>
        <InvolvedAmt>500000</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>CASH</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>