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      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
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      <OtherChangesInNetAssetsAmt>74556</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
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      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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        <BookValueAmt>120567</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
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        <BookValueAmt>5551067</BookValueAmt>
      </BuildingsGrp>
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        <DepreciationAmt>634321</DepreciationAmt>
        <BookValueAmt>1943197</BookValueAmt>
      </EquipmentGrp>
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        <DepreciationAmt>9565592</DepreciationAmt>
        <BookValueAmt>19137080</BookValueAmt>
      </OtherLandBuildingsGrp>
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        <Desc>INVESTMENT IN ASSOC. ORG - PAT. CAP.</Desc>
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      <InvstProgramRelatedOrgGrp>
        <Desc>BEPC MEMBER INVEST NOTE</Desc>
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      </InvstProgramRelatedOrgGrp>
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        <Desc>INVESTMENT IN ASSOC. ORG - OTHER</Desc>
        <BookValueAmt>231566</BookValueAmt>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>OTHER INVESTMENTS</Desc>
        <BookValueAmt>198440</BookValueAmt>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>INVEST IN ECONOMIC DEVELOPMENT PROJ</Desc>
        <BookValueAmt>40000</BookValueAmt>
      </InvstProgramRelatedOrgGrp>
      <TotalBookValueProgramRltdAmt>6979868</TotalBookValueProgramRltdAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>CUSTOMER DEPOSITS</Desc>
        <Amt>71580</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>71580</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueNotReportedAmt>4090422</RevenueNotReportedAmt>
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      <RevenueNotReportedFinclStmtAmt>60959</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>5589484</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>8804940</TotExpnsEtcAuditedFinclStmtAmt>
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      <OtherExpensesNotIncludedAmt>60959</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>60959</ExpensesNotRptFinclStmtAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 3, PART X</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASSOCIATION IS EXEMPT FROM FEDERAL INCOME TAX UNDER SECTION 501(C)(12) OF THE INTERNAL REVENUE CODE. THE ASSOCIATION HAS MET THE REQUIREMENT THAT MORE THAN 85 PERCENT OF ITS REVENUE BE FROM ITS MEMBERS. THE STATE OF SOUTH DAKOTA DOES NOT HAVE AN INCOME TAX LAW. AT DECEMBER 31, 2022, THE ASSOCIATION BELIEVES NO SIGNIFICANT UNCERTAIN TAX POSITIONS OR LIABILITIES EXIST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XI, LINE 2D</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD 4,015,866 CHANGE IN OTHER EQUITIES 74,556</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XI, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>INTERNET EXPENSE NETTED WITH REVENUE FOR FS 60,959</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XII, LINE 2D</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD 4,015,866</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XII, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>INTERNET EXPENSE NETTED WITH REVENUE FOR FS 60,959</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc3">
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RUSSELL GALL</PersonNm>
        <TitleTxt>GENERAL MANAGER</TitleTxt>
        <BaseCompensationFilingOrgAmt>151194</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>44269</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>35693</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>231156</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CHAD LOEFFLER</PersonNm>
        <TitleTxt>SUPERINTENDENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>103385</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>35487</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>15437</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>154309</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>CHARLES MIX ELECTRIC PROVIDES ELECTRICITY WITHIN A DEFINED TERRITORY. ALL CONSUMERS OF ELECTRICITY ARE MEMBERS OF THE COOPERATIVE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERS VOTE ANNUALLY ON THE BOARD OF DIRECTORS</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>MANAGEMENT HAS AN OUTSIDE CPA FIRM PREPARE THE FORM 990. A COPY IS PROVIDED TO THE BOARD OF DIRECTORS AND MANAGEMENT FOR REVIEW AND APPROVAL PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GENERAL MANAGER AND BUSINESS MANAGER MONITOR COMPLIANCE WITH THE CONFLICT OF INTEREST POLICY ANNUALLY. THE GENERAL MANAGER MONITORS COMPLIANCE MONTHLY AS PART OF THE BOARD OF DIRECTORS' MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>GENERAL MANAGER'S SALARY IS DETERMINED BY BOARD AND IS DOCUMENTED IN THE MEETING MINUTES. THE BOARD REFERS TO THE SOUTH DAKOTA RURAL ELECTRIC'S SALARIES AS A GUIDELINE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>SEE FORM 990, PART VI, LINE 15A - THE PROCESS IS REVIEWED SEPTEMBER OF EACH YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COOPERATIVE HAS ALL DOCUMENTS AVAILABLE AT THE LAKE ANDES OFFICE FOR MEMBERS AND NON-MEMBERS. THE YEARLY FINANCIAL STATEMENT IS PUBLISHED IN THE COOPERATIVE NEWSLETTER AND MAILED TO ALL MEMBERS OF THE COOPERATIVE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD 4,015,866 CHANGE IN OTHER EQUITIES 74,556 INTERNET EXPENSE NETTED WITH REVENUE FOR FS -60,959 COST OF GOODS SOLD -4,015,866 INTERNET EXPENSE NETTED WITH REVENUE FOR FS 60,959 TOTAL 74,556</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
