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      <RtnEarnEndowmentIncmOthFndsGrp>
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      <TotLiabNetAssetsFundBalanceGrp>
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      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
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        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
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      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="RetDoc4">
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        <OtherCostOrOtherBasisAmt>791697</OtherCostOrOtherBasisAmt>
        <BookValueAmt>791697</BookValueAmt>
      </LandGrp>
      <EquipmentGrp>
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        <DepreciationAmt>42736621</DepreciationAmt>
        <BookValueAmt>80419368</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>81211065</TotalBookValueLandBuildingsAmt>
      <InvstProgramRelatedOrgGrp>
        <Desc>INVESTMENTS - PROG RELATED</Desc>
        <BookValueAmt>12173384</BookValueAmt>
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      <TotalBookValueProgramRltdAmt>12173384</TotalBookValueProgramRltdAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>ACCRUED POSTRETIREMENT BENEFITS</Desc>
        <Amt>7195238</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED CREDITS</Desc>
        <Amt>1301462</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>8496700</TotalLiabilityAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc5">
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      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CHAD LOWDER</PersonNm>
        <TitleTxt>CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>204330</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>10659</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>2176</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>80914</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>24997</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>323076</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JERRELL FURTICK</PersonNm>
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        <NontaxableBenefitsFilingOrgAmt>24870</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>233651</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MICHAEL WEEKS</PersonNm>
        <TitleTxt>CAO</TitleTxt>
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        <BonusFilingOrganizationAmount>541</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>7645</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>35452</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>23487</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>170279</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BILLY SHANNON</PersonNm>
        <TitleTxt>TRUSTEE - FORMER</TitleTxt>
        <OtherCompensationFilingOrgAmt>24033</OtherCompensationFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>24033</TotalCompensationFilingOrgAmt>
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    <IRS990ScheduleO documentId="RetDoc6">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4D</FormAndLineReferenceDesc>
        <ExplanationTxt>TO PROVIDE THE BEST POSSIBLE ELECTRIC SERVICE TO ALL WHO DESIRE IT WITHIN THE SYSTEM AREA AT A REASONABLE COST CONSISTENT WITH THE HIGHEST STANDARDS OF SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COOPERATIVE HAS MEMBERS AS PROVIDED FOR IN ITS BYLAWS WHICH ARE AVALIABLE ON THE COOPERATIVE'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COOPERATIVE HAS MEMBERS WHO ELECT MEMBERS OF THE GOVERNING BODY AS PROVIDED FOR IN ITS BYLAWS WHICH ARE AVALIABLE ON THE COOPERATIVE'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>CERTAIN DECISIONS OF THE GOVERNING BODY ARE SUBJECT TO APPROVAL BY MEMBERS AS PROVIDED FOR IN ITS BYLAWS WHICH AVALIABLE ON THE COOPERATIVE'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS REVIEWED WITH THE BOARD OF TRUSTEES PRIOR TO FILING WITH ALL SUPPORTING DOCUMENTATION MADE AVAILABLE TO THEM FOR THEIR REVIEW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COOPERATIVE REGULARLY AND CONSISTENTLY MONITORS AND ENFORCES COMPLIANCE WITH THEIR CONFLICT OF INTEREST POLICIES (BOARD POLICY NO. 413, 414, AND 415) WHICH ARE INCLUDED AS A PART OF THIS RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THER PERFORMANCE OF THE CEO IS EVALUATED BY THE BOARD IN ACCORDANCE WITH BOARD POLICY NO. 427 WHICH IS INCLUDED AS PART OF THIS RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>WAGE AND SALARY ADMINISTRATION IS GOVERNED BY BOARD POLICY NO. 428 WHICH IS INCLUDED AS PART OF THIS RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COOPERATIVE MAKES ITS BYLAWS, FINANCIAL REPORTS, AND OTHER COOPERATIVE INFORMAITON AVAILABLE THROUGH THE ITS WEBSITE. IN ADDITION, THE FORM 990 IS AVAILABLE UPON REQUEST AS REFLECTED IN PART VI SECTION C LINE 18.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>PATRONAGE CAPITAL CREDITS 1,577,925 MEMBERSHIP FEES 130 REVENUE DEFERRAL 250,000 CAPITAL CREDIT RETIREMENTS -1,108,986 OTHER COMPREHENSIVE INCOME -448,710 TOTAL 270,359</ExplanationTxt>
      </SupplementalInformationDetail>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>TRICO DEVELOPMENT LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>PO BOX 217</AddressLine1Txt>
          <CityNm>ST MATTHEWS</CityNm>
          <StateAbbreviationCd>SC</StateAbbreviationCd>
          <ZIPCd>29135</ZIPCd>
        </USAddress>
        <EIN>820674240</EIN>
        <PrimaryActivitiesTxt>ECON. DEV.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>SC</LegalDomicileStateCd>
        <TotalIncomeAmt>-126093</TotalIncomeAmt>
        <EndOfYearAssetsAmt>8783305</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>TRI-CO ECI</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>