﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2017v2.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2018-03-20T17:23:23-04:00</ReturnTs>
    <TaxPeriodEndDt>2017-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>581094351</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>MCNAIR MCLEMORE MIDDLEBROOKS &amp; CO LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>POST OFFICE BOX ONE</AddressLine1Txt>
        <CityNm>MACON</CityNm>
        <StateAbbreviationCd>GA</StateAbbreviationCd>
        <ZIPCd>312020001</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2017-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>570263136</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>TRI-COUNTY ELECTRIC</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>COOPERATIVE INC</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>TRI-</BusinessNameControlTxt>
      <PhoneNum>8038741215</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 217</AddressLine1Txt>
        <CityNm>ST MATTHEWS</CityNm>
        <StateAbbreviationCd>SC</StateAbbreviationCd>
        <ZIPCd>291350217</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>CHAD LOWDER</PersonNm>
      <PersonTitleTxt>CEO</PersonTitleTxt>
      <PhoneNum>8038741215</PhoneNum>
      <SignatureDt>2018-03-20</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>JASON A PEACOCK</PreparerPersonNm>
      <PTIN>P00978537</PTIN>
      <PhoneNum>4787466277</PhoneNum>
      <PreparationDt>2018-03-20</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2017</TaxYr>
    <BuildTS>2022-09-23 18:48:47Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990 documentId="RetDoc3" referenceDocumentId="RetDoc8">
      <PrincipalOfficerNm>CHAD LOWDER</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>PO BOX 217</AddressLine1Txt>
        <CityNm>ST MATTHEWS</CityNm>
        <StateAbbreviationCd>SC</StateAbbreviationCd>
        <ZIPCd>29135</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>45068970</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <Organization501cInd organization501cTypeTxt="12">X</Organization501cInd>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1940</FormationYr>
      <LegalDomicileStateCd>SC</LegalDomicileStateCd>
      <ActivityOrMissionDesc>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.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>9</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>9</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>61</TotalEmployeeCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <CYContributionsGrantsAmt>0</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>44401648</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>44985959</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>28583</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>83011</CYInvestmentIncomeAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>44430231</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>45068970</CYTotalRevenueAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>2548647</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>2880216</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>756030</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>795310</CYSalariesCompEmpBnftPaidAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>41096972</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>41313301</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>44401649</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>44988827</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>28582</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>80143</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>90184560</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>99816748</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>63620074</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>72326276</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>26564486</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>27490472</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>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.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <Desc>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.</Desc>
      <DescribedInSection501c3Ind>false</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>false</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc5">true</PoliticalCampaignActyInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc5">false</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc6">false</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc6">false</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc6">false</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc6">false</CreditCounselingInd>
      <TempOrPermanentEndowmentsInd referenceDocumentId="RetDoc6">false</TempOrPermanentEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc6">true</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc6">false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc6">true</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc6">false</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc6">true</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc6">false</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc6">true</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc6">false</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <ForeignActivitiesInd>false</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>false</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>false</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>false</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>false</FundraisingActivitiesInd>
      <GamingActivitiesInd>false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc7">true</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <LoanOutstandingInd>false</LoanOutstandingInd>
      <GrantToRelatedPersonInd>false</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>false</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>false</BusinessRlnWithFamMemInd>
      <BusinessRlnWithOfficerEntInd>false</BusinessRlnWithOfficerEntInd>
      <DeductibleNonCashContriInd>false</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>false</DeductibleArtContributionInd>
      <TerminateOperationsInd>false</TerminateOperationsInd>
      <PartialLiquidationInd>false</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc9">true</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc9">false</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc9">false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>29</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>true</BackupWthldComplianceInd>
      <EmployeeCnt>61</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>true</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>false</NondeductibleContributionsInd>
      <MembersAndShrGrossIncomeAmt>44575150</MembersAndShrGrossIncomeAmt>
      <OtherSourcesGrossIncomeAmt>239964</OtherSourcesGrossIncomeAmt>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>9</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>9</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>false</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>false</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>false</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>false</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>true</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>true</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>true</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>true</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>true</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>false</OfficerMailingAddressInd>
      <LocalChaptersInd>false</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>true</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>true</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>true</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>true</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>true</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>true</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>true</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>true</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>SC</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>TRI-COUNTY ECI</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>8038741215</PhoneNum>
        <USAddress>
          <AddressLine1Txt>6473 OLD STATE ROAD</AddressLine1Txt>
          <CityNm>ST MATTHEWS</CityNm>
          <StateAbbreviationCd>SC</StateAbbreviationCd>
          <ZIPCd>291350217</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>HEATH HILL</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>79633</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KENNETH DAVIS JR</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>24.45</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>65261</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BILLY SHANNON</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>13.80</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>58814</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MAURICE ETHEREDGE</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHoursPerWeekRt>18.60</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>58308</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARY BROWN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>54301</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BARBARA HEAPE</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>21.65</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>51151</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>FREDRICK SHULER SR</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>15.30</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>49431</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEFFREY REEVES</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>12.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>39648</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BARRY HUTTO</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.40</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>37451</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHAD LOWDER</PersonNm>
        <TitleTxt>CEO</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>201779</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>99533</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JERRELL FURTICK</PersonNm>
        <TitleTxt>COO</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>149132</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>76795</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LINDA WRIGHT</PersonNm>
        <TitleTxt>MGR OF FINAN</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>105071</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>61739</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>949980</TotalReportableCompFromOrgAmt>
      <TotalOtherCompensationAmt>238067</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>3</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>true</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>LEWIS TREE SERVICE LOCKBOX</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ServicesDesc>R/W CLEARING</ServicesDesc>
        <CompensationAmt>895967</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>BROTHERS TREE COMPANY INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ServicesDesc>R/W CLEARING</ServicesDesc>
        <CompensationAmt>515073</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MCCALL-THOMAS ENGINEERING CO INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ServicesDesc>ENGINEERING</ServicesDesc>
        <CompensationAmt>119982</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>3</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>ELECTRIC ENERGY SALES</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>44572937</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>44572937</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PATRONAGE CAP-ASSOC ORGS</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>371966</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>371966</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>POLE RENTAL</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>41056</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>41056</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>44985959</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>83011</TotalRevenueColumnAmt>
        <ExclusionAmt>83011</ExclusionAmt>
      </InvestmentIncomeGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>45068970</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>44985959</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>83011</ExclusionAmt>
      </TotalRevenueGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>2880216</TotalAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>795310</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OfficeExpensesGrp>
        <TotalAmt>467547</TotalAmt>
      </OfficeExpensesGrp>
      <InterestGrp>
        <TotalAmt>2411221</TotalAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>3531968</TotalAmt>
      </DepreciationDepletionGrp>
      <OtherExpensesGrp>
        <Desc>PURCHASED POWER</Desc>
        <TotalAmt>24261950</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DISTRIBUTION MAINTENANCE</Desc>
        <TotalAmt>3922339</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>ADMIN &amp; GENERAL EXP</Desc>
        <TotalAmt>2311334</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DISTRIBUTION OPERATIONS</Desc>
        <TotalAmt>2270801</TotalAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>2136141</TotalAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>44988827</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>3253327</BOYAmt>
        <EOYAmt>6032492</EOYAmt>
      </CashNonInterestBearingGrp>
      <AccountsReceivableGrp>
        <BOYAmt>4094960</BOYAmt>
        <EOYAmt>5567321</EOYAmt>
      </AccountsReceivableGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>592240</BOYAmt>
        <EOYAmt>546259</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>1023006</BOYAmt>
        <EOYAmt>948250</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>117499220</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>38507217</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>77627734</BOYAmt>
        <EOYAmt>78992003</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsProgramRelatedGrp>
        <BOYAmt>3593293</BOYAmt>
        <EOYAmt>7730423</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <TotalAssetsGrp>
        <BOYAmt>90184560</BOYAmt>
        <EOYAmt>99816748</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>4818107</BOYAmt>
        <EOYAmt>5748679</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <UnsecuredNotesLoansPayableGrp>
        <BOYAmt>51957849</BOYAmt>
        <EOYAmt>57993307</EOYAmt>
      </UnsecuredNotesLoansPayableGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>6844118</BOYAmt>
        <EOYAmt>8584290</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>63620074</BOYAmt>
        <EOYAmt>72326276</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrgDoesNotFollowSFAS117Ind>X</OrgDoesNotFollowSFAS117Ind>
      <CapStkTrPrinCurrentFundsGrp>
        <BOYAmt>67920</BOYAmt>
        <EOYAmt>68345</EOYAmt>
      </CapStkTrPrinCurrentFundsGrp>
      <RtnEarnEndowmentIncmOthFndsGrp>
        <BOYAmt>26496566</BOYAmt>
        <EOYAmt>27422127</EOYAmt>
      </RtnEarnEndowmentIncmOthFndsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>26564486</BOYAmt>
        <EOYAmt>27490472</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>90184560</BOYAmt>
        <EOYAmt>99816748</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>80143</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>845843</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleC documentId="RetDoc5">
      <PoliticalExpendituresAmt>4500</PoliticalExpendituresAmt>
      <InternalFundsContributedAmt>4500</InternalFundsContributedAmt>
      <TotalExemptFunctionExpendAmt>4500</TotalExemptFunctionExpendAmt>
      <Form1120POLFiledInd>true</Form1120POLFiledInd>
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>MCMASTER FOR GOVENOR</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>1100 GEVAIS STREET</AddressLine1Txt>
          <CityNm>COLUMBIA</CityNm>
          <StateAbbreviationCd>SC</StateAbbreviationCd>
          <ZIPCd>29201</ZIPCd>
        </USAddress>
        <PaidInternalFundsAmt>3500</PaidInternalFundsAmt>
      </Section527PoliticalOrgGrp>
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>SOUTH CAROLINA DEMOCRATIC PARTY</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>915 LADY ST STE 111</AddressLine1Txt>
          <CityNm>COLUMBIA</CityNm>
          <StateAbbreviationCd>SC</StateAbbreviationCd>
          <ZIPCd>29201</ZIPCd>
        </USAddress>
        <PaidInternalFundsAmt>1000</PaidInternalFundsAmt>
      </Section527PoliticalOrgGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE C, PART I-A, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>POLITICAL CONTRIBUTIONS TO CAMPAIGN ACTIVITIES WITHIN THE STATE OF SOUTH CAROLINA.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc6">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>791697</OtherCostOrOtherBasisAmt>
        <BookValueAmt>791697</BookValueAmt>
      </LandGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>116707523</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>38507217</DepreciationAmt>
        <BookValueAmt>78200306</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>78992003</TotalBookValueLandBuildingsAmt>
      <InvstProgramRelatedOrgGrp>
        <Desc>INVESTMENTS-PROGRAM RELATED-9</Desc>
        <BookValueAmt>7730423</BookValueAmt>
      </InvstProgramRelatedOrgGrp>
      <TotalBookValueProgramRltdAmt>7730423</TotalBookValueProgramRltdAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>POSTRETIREMENT BENEFITS</Desc>
        <Amt>6734300</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED CREDITS</Desc>
        <Amt>1849990</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>8584290</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>44068970</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>44068970</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>1000000</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>1000000</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>45068970</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>42108611</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>42108611</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>2880216</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>2880216</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>44988827</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XI, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>DEFERRED REVENUE 1,000,000</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XII, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>PATRONAGE CAPITAL CREDITS 2,880,216</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc7">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <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>198433</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>507</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>2839</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>75681</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>23852</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>301312</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JERRELL FURTICK</PersonNm>
        <TitleTxt>COO</TitleTxt>
        <BaseCompensationFilingOrgAmt>142661</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>507</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>5964</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>53454</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>23341</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>225927</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LINDA WRIGHT</PersonNm>
        <TitleTxt>MGR OF FINANCE</TitleTxt>
        <BaseCompensationFilingOrgAmt>101390</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>541</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>3140</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>39707</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>22032</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>166810</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc8">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COOPERATIVE HAS MEMBERS AS PROVIDED FOR IN ITS BYLAWS WHICH ARE INCLUDED AS A PART OF THIS RETURN.</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 INCLUDED AS A PART OF THIS RETURN.</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 ARE INCLUDED AS A PART OF THIS RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS REVIEWED BY THE BOARD WITH ALL SUPPORTING DOCUMENTATION MADE AVAILABLE TO THEM.</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 POLICY AS PROVIDED FOR IN ITS POLICY WHICH IS INCLUDED AS A PART OF THIS RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION FOR THE CEO IS REVIEWED AND APPROVED AS PROVIDED FOR IN THE COOPERATIVE'S POLICY WHICH IS INCLUDED AS A PART OF THIS RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION FOR KEY EMPLOYEES IS REVIEWED AND APPROVED AS PROVIDED FOR IN THE COOPERATIVE'S POLICY WHICH IS INCLUDED AS A PART OF THIS RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COOPERATIVE MAKES ITS BYLAWS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC AS PART OF ITS FORM 990. 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>OTHER EQUITIES - RETIRED CAPITAL CREDITS 35,355 PATRONAGE CAPITAL CREDITS 2,880,216 MEMBERSHIP FEES 425 CAPITAL CREDIT RETIREMENTS -597,034 OTHER COMPREHENSIVE INCOME -473,119 REVENUE DEFERRAL -1,000,000 TOTAL 845,843</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc9">
      <IdDisregardedEntitiesGrp>
        <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>-654</TotalIncomeAmt>
        <EndOfYearAssetsAmt>3063346</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>TRI-CO ECI</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>