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        <ServicesDesc>IT CONSULTANT</ServicesDesc>
        <CompensationAmt>1286342</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>USIC LOCATING SERV LLC</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>9045 N RIVER RD</AddressLine1Txt>
            <AddressLine2Txt>SUITE 300</AddressLine2Txt>
            <CityNm>INDIANAPOLIS</CityNm>
            <StateAbbreviationCd>IN</StateAbbreviationCd>
            <ZIPCd>46240</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CABLE LOCATING</ServicesDesc>
        <CompensationAmt>962230</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>TOWNSEND TREE SERVICE COMPANY LLC</PersonNm>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 7015</AddressLine1Txt>
            <CityNm>MUNCIE</CityNm>
            <StateAbbreviationCd>IN</StateAbbreviationCd>
            <ZIPCd>47308</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ROW CLEARING</ServicesDesc>
        <CompensationAmt>671217</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>CONVERGENT IDEAS</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>110 TOLHOUSE CT</AddressLine1Txt>
            <CityNm>MILTON</CityNm>
            <StateAbbreviationCd>GA</StateAbbreviationCd>
            <ZIPCd>30004</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ERP CONSULTING</ServicesDesc>
        <CompensationAmt>286740</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>17</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>ELECTRIC REVENUE</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>414602552</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>414602552</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PATRONAGE CAPITAL</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>8745955</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>8745955</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>POLE/TOWER RENTAL INCOME</Desc>
        <TotalRevenueColumnAmt>3186686</TotalRevenueColumnAmt>
        <ExclusionAmt>3186686</ExclusionAmt>
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      <TotalProgramServiceRevenueAmt>426535193</TotalProgramServiceRevenueAmt>
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        <TotalRevenueColumnAmt>1495281</TotalRevenueColumnAmt>
        <ExclusionAmt>1495281</ExclusionAmt>
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        <RealAmt>108355</RealAmt>
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      <RentalIncomeOrLossGrp>
        <RealAmt>108355</RealAmt>
        <PersonalAmt>17333</PersonalAmt>
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      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>125688</TotalRevenueColumnAmt>
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        <ExclusionAmt>108355</ExclusionAmt>
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        <TotalRevenueColumnAmt>428156162</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>423348507</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>17333</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>4790322</ExclusionAmt>
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      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>1207719</TotalAmt>
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      <InterestGrp>
        <TotalAmt>21828313</TotalAmt>
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      <DepreciationDepletionGrp>
        <TotalAmt>28481542</TotalAmt>
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      <OtherExpensesGrp>
        <Desc>PURCHASED POWER</Desc>
        <TotalAmt>298034320</TotalAmt>
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      <OtherExpensesGrp>
        <Desc>ADMINISTRATIVE &amp; GENERAL</Desc>
        <TotalAmt>27661680</TotalAmt>
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      <OtherExpensesGrp>
        <Desc>DISTRIBUTION MAINTENANCE</Desc>
        <TotalAmt>24418401</TotalAmt>
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      <OtherExpensesGrp>
        <Desc>CONSUMER ACCOUNTS</Desc>
        <TotalAmt>18314179</TotalAmt>
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      <AllOtherExpensesGrp>
        <TotalAmt>12638059</TotalAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>432584213</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
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        <BOYAmt>35169951</BOYAmt>
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        <BOYAmt>1876613</BOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>2146134</BOYAmt>
        <EOYAmt>2694402</EOYAmt>
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        <BOYAmt>606823709</BOYAmt>
        <EOYAmt>620681154</EOYAmt>
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        <EOYAmt>205190700</EOYAmt>
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      <IntangibleAssetsGrp>
        <BOYAmt>6810500</BOYAmt>
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        <BOYAmt>36250419</BOYAmt>
        <EOYAmt>28199785</EOYAmt>
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        <BOYAmt>899668517</BOYAmt>
        <EOYAmt>911858777</EOYAmt>
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        <EOYAmt>26000000</EOYAmt>
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        <BOYAmt>123759089</BOYAmt>
        <EOYAmt>107336412</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>576116701</BOYAmt>
        <EOYAmt>578306686</EOYAmt>
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      <OrgDoesNotFollowSFAS117Ind>X</OrgDoesNotFollowSFAS117Ind>
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        <BOYAmt>499215</BOYAmt>
        <EOYAmt>477145</EOYAmt>
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      <RtnEarnEndowmentIncmOthFndsGrp>
        <BOYAmt>323052601</BOYAmt>
        <EOYAmt>333074946</EOYAmt>
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        <BOYAmt>323551816</BOYAmt>
        <EOYAmt>333552091</EOYAmt>
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        <BOYAmt>899668517</BOYAmt>
        <EOYAmt>911858777</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>-4428051</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>14428326</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>true</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
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      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="RetDoc9">
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        <BookValueAmt>8095796</BookValueAmt>
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      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>917050705</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>304465347</DepreciationAmt>
        <BookValueAmt>612585358</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>620681154</TotalBookValueLandBuildingsAmt>
      <InvstProgramRelatedOrgGrp>
        <Desc>INVESTMENTS IN ASSOCIATED ORGS</Desc>
        <BookValueAmt>172528761</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>INVESTMENTS IN CTC'S</Desc>
        <BookValueAmt>30658501</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>CFC MEMBER CAPITAL SECURITIES</Desc>
        <BookValueAmt>2000000</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <InvstProgramRelatedOrgGrp>
        <Desc>U.S. CORPORATE BONDS</Desc>
        <BookValueAmt>3438</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </InvstProgramRelatedOrgGrp>
      <TotalBookValueProgramRltdAmt>205190700</TotalBookValueProgramRltdAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>ACCRUED PENSION COSTS</Desc>
        <Amt>86877612</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>CONSUMER DEPOSITS</Desc>
        <Amt>13196843</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>SETTLEMENT CLAIMS PAYABLE - SHEA</Desc>
        <Amt>4649645</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>GAIN ON DEBT EXTINGUISHMENT</Desc>
        <Amt>1547883</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>ACCRUED SEVERANCES</Desc>
        <Amt>1047118</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>OTHER DEFERRED CREDITS</Desc>
        <Amt>17311</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>107336412</TotalLiabilityAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XIII</FormAndLineReferenceDesc>
        <ExplanationTxt>AUDITED AND REVIEWED FINANCIAL STATEMENTS COBB EMC'S FISCAL YEAR IS APRIL 30TH. COBB EMC WAS INCLUDED IN CONSOLIDATED FINANCIAL STATEMENTS AT APRIL 30, 2018 AND 2017. IN JANUARY 2018, THE BOARD OF DIRECTORS APPROVED A RESOLUTION TO CHANGE COBB EMC'S YEAR END FOR FINANCIAL REPORTING PURPOSES TO DECEMBER 31ST, WITH THE INITIAL DECEMBER 31 REPORTING PERIOD TO BE DECEMBER 31, 2018. IN ADDITION, COBB EMC'S FINANCIAL STATEMENTS ARE REVIEWED, AS PART OF CONSOLIDATED FINANCIAL STATEMENTS, BY AN INDEPENDENT ACCOUNTANT AT THE END OF EACH FISCAL QUARTER. THE INTERIM QUARTERLY REVIEW REPORTS ARE MADE AVAILABLE TO ALL MEMBER-OWNERS ON THE CORPORATION'S WEBSITE. THE AFOREMENTIONED SERVICES ARE OVERSEEN BY THE CORPORATION'S AUDIT COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc10">
      <ClubDuesOrFeesInd>X</ClubDuesOrFeesInd>
      <WrittenPolicyRefTAndEExpnssInd>true</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>true</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>true</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>WILLIE T NELSON</PersonNm>
        <TitleTxt>CEO - FORMER</TitleTxt>
        <BaseCompensationFilingOrgAmt>546459</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>5000</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>84041</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>69649</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>22291</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>727440</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DAVID B JOHNSON</PersonNm>
        <TitleTxt>COO</TitleTxt>
        <BaseCompensationFilingOrgAmt>393494</BaseCompensationFilingOrgAmt>
        <OtherCompensationFilingOrgAmt>17810</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>57886</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>29586</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>498776</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ROBERT D STEELE</PersonNm>
        <TitleTxt>CFO</TitleTxt>
        <BaseCompensationFilingOrgAmt>365040</BaseCompensationFilingOrgAmt>
        <OtherCompensationFilingOrgAmt>13032</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>57886</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>29586</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>465544</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JAMEY HULSEY</PersonNm>
        <TitleTxt>SR VP-ELEC OPS</TitleTxt>
        <BaseCompensationFilingOrgAmt>265742</BaseCompensationFilingOrgAmt>
        <OtherCompensationFilingOrgAmt>13599</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>56974</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>29586</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>365901</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>TIM SOSEBEE</PersonNm>
        <TitleTxt>VP-BUSINESS OPS</TitleTxt>
        <BaseCompensationFilingOrgAmt>246641</BaseCompensationFilingOrgAmt>
        <OtherCompensationFilingOrgAmt>17092</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>52878</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>30335</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>346946</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KEVAN ESPY</PersonNm>
        <TitleTxt>VP-MKT/CORP COMM</TitleTxt>
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        <OtherCompensationFilingOrgAmt>18774</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>48029</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>10132</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>300955</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PAGE 1, PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>SOCIAL CLUB DUES PAID FOR PERSONS LISTED IN PART VII, SECTION A: MARIETTA COUNTRY CLUB: (1) WILLIE T. NELSON (PRESIDENT &amp; CEO) - 4,722 GEORGIAN CLUB: (1) ROBERT D. STEELE (CFO) - 1,223 (2) KEVAN ESPY (VP-MKT/CORP COMM) - 1,234</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PAGE 1, PART I, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>WILLIE T. NELSON 0 69,649 0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN (SERP): EFFECTIVE MAY 1, 2014, COBB EMC ADOPTED A SERP. THE SERP IS A NONQUALIFIED DEFERRED COMPENSATION PLAN THAT BENEFITS CERTAIN DESIGNATED COBB EMC EMPLOYEES WHO ARE WITHIN A SELECT GROUP OF KEY MANAGEMENT OR HIGHLY COMPENSATED EMPLOYEES. PURSUANT TO A RESOLUTION ADOPTED BY THE BOARD OF DIRECTORS ON OCTOBER 24, 2017, BENEFITS UNDER THE SERP WERE FROZEN AS OF THAT DATE. IN ADDITION, SOME PARTICIPANTS FORFEITED THEIR BENEFITS THROUGH VOLUNTARY SEPARATION PRIOR TO THEIR NORMAL RETIREMENT DATE AND THE FINAL BENEFIT PAYOUT FOR THE REMAINING PARTICIPANT HAS NOT BEEN FINALIZED. ANY GAINS OR LOSSES RESULTING FROM THESE FORFEITURES AND THE FINAL PLAN PAYOUT WILL BE REFLECTED IN 2018. ONCE THE FINAL PAYOUT IS DETERMINED AND PAID, THERE WILL BE NO ADDITIONAL CONTRIBUTIONS TO THE PLAN NOR ANY FUTURE OBLIGATION. THE NONQUALIFIED AMOUNTS LISTED ABOVE WERE THE DISTRIBUTIONS PAID OUT OF THE PLAN IN 2017.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc11">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>COBB EMC COMMITS TO SAFELY DELIVERING RELIABLE, COMPETITIVELY PRICED ELECTRICITY WHILE BEING ACCOUNTABLE TO OUR MEMBER-OWNERS THROUGH SOUND GOVERNANCE, MANAGEMENT, OPERATING PRACTICES AND IMPROVING QUALITY OF LIFE IN ITS LOCAL COMMUNITIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CORPORATION'S RECORDS ARE MAINTAINED IN ACCORDANCE WITH THE UNIFORM SYSTEM OF ACCOUNTS PRESCRIBED BY THE FEDERAL ENERGY REGULATORY COMMISSION (18CFR.PART 101). THOSE PRACTICES UTILIZE ALLOCATION OF CERTAIN EXPENSES BASED ON LABOR CHARGES OR OTHER ALLOCATION BASES. AS A RESULT, IT WOULD REQUIRE SIGNIFICANT EFFORT TO BREAK OUT EXPENSES IN THE FUNCTIONAL CATEGORIES PROVIDED FOR ON THE STATEMENT OF FUNCTIONAL EXPENSES. MANAGEMENT HAS OPTED TO CLASSIFY ITS EXPENSES ON THE STATEMENT OF FUNCTIONAL EXPENSES IN THE SAME MANNER IT REPORTS ITS FINANCIAL RESULTS TO LENDERS AND ITS MEMBER-OWNERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CORPORATION 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 CORPORATION'S MEMBERS DEMOCRATICALLY ELECT MEMBERS OF THE GOVERNING BODY AS PROVIDED FOR IN THE CORPORATION'S BYLAWS WHICH ARE INCLUDED AS 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 THE CORPORATION'S 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 FULL BOARD OF DIRECTORS PRIOR TO SUBMITTAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CORPORATION REGULARY AND CONSISTENTLY MONITORS AND ENFORCES COMPLIANCE WITH THE FOLLOWING POLICIES, WHIC ARE INCLUDED AS PART OF THIS RETURN: POLICY 602 - CONFLICT OF INTEREST POLICY 901 - EMPLOYEE CODE OF CONDUCT POLICY 911 - EMPLOYEES' OUTSIDE ACTIVITIES</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>AS OUTLINED IN BOARD POLICY 608, WHICH IS ATTACHED TO THIS RETURN, THE ANNUAL CEO REVIEW IS CONDUCTED BY THE BOARD'S HUMAN RESOURCES COMMITTEE, WHICH MAKES A COMPENSATION RECOMMENDATION TO THE FULL BOARD FOR THEIR APPROVAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>KEY EMPLOYEE COMPENSATION IS REVIEWED AND APPROVED AS PROVIDED FOR IN BOARD POLICY 908, A COPY OF WHICH IS INCLUDED AS A PART OF THIS RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CORPORATION 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. IN ADDITION, THE CORPORATION'S FORM 990 IS AVAILABLE IN THE PUBLIC DOMAIN THROUGH WEBSITES SUCH AS GUIDESTAR (WWW.GUIDESTAR.ORG).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII</FormAndLineReferenceDesc>
        <ExplanationTxt>PRESIDENT AND CEO: EFFECTIVE MARCH 31, 2018, W.T. NELSON RETIRED AS PRESIDENT AND CEO OF COBB EMC. THE COBB EMC BOARD OF DIRECTORS HIRED PETER HEINTZELMAN TO SUCCEED MR. NELSON, EFFECTIVE MARCH 19, 2018.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>WHOLLY-OWNED SUBSIDIARY EARNINGS 12,937,366 OTHER COMPREHENSIVE INCOME 2,698,937 ASC 980 DEFERRED REVENUE TRANSACTIONS 12,000,000 CHANGE IN DONATED CAPITAL 418,784 CHANGE IN MEMBERSHIP FEES -22,070 RETIREMENT OF PATRONAGE CAPITAL -13,604,691 TOTAL 14,428,326</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc12">
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>GAS SOUTH LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>PO BOX 4298</AddressLine1Txt>
          <CityNm>ATLANTA</CityNm>
          <StateAbbreviationCd>GA</StateAbbreviationCd>
          <ZIPCd>30302</ZIPCd>
        </USAddress>
        <EIN>203608242</EIN>
        <PrimaryActivitiesTxt>NAT GAS MA</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>GA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C CORP</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>12949963</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>107000000</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>true</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>COBB ENERGY MANAGEMENT CORPORATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>1000 EMC PARKWAY</AddressLine1Txt>
          <CityNm>MARIETTA</CityNm>
          <StateAbbreviationCd>GA</StateAbbreviationCd>
          <ZIPCd>30060</ZIPCd>
        </USAddress>
        <EIN>582345061</EIN>
        <PrimaryActivitiesTxt>HOLDING CO</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>GA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C CORP</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>12597</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>4800000</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>true</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>true</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>true</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>GAS SOUTH LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>F</TransactionTypeTxt>
        <InvolvedAmt>20988000</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>GAS SOUTH LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>Q</TransactionTypeTxt>
        <InvolvedAmt>1919670</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>COBB ENERGY MANAGEMENT CORPORATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>S</TransactionTypeTxt>
        <InvolvedAmt>27299</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE R</FormAndLineReferenceDesc>
        <ExplanationTxt>RELATED ORGANIZATIONS: COBB ENERGY MANAGEMENT CORPORATION (COBB ENERGY) WAS INCORPORATED IN THE STATE OF GEORGIA ON SEPTEMBER 3, 1997 TO PROVIDE VARIOUS SERVICES TO COBB ELECTRIC MEMBERSHIP CORPORATION (COBB EMC), ITS SUBSIDIARIES AND OTHER THIRD PARTIES. AS OF DECEMBER 31, 2017 COBB ENERGY MANAGEMENT CORPORATION HAS NO OPERATING ACTIVITIES. GAS SOUTH IS A RETAIL ENERGY MARKETER THAT SERVES RESIDENTIAL, GOVERNMENTAL AND INSTITUTIONAL CUSTOMERS THROUGHOUT THE SOUTHEAST IN AREAS WHERE CUSTOMERS HAVE THE ABILITY TO CHOOSE THEIR ENERGY PROVIDER. GAS SOUTH IS A CERTIFIED NATURAL GAS MARKETER IN THE STATE OF GEORGIA AND COMPETES TO SERVE CUSTOMERS WHO ARE CONNECTED TO THE LOCAL DISTRIBUTION COMPANY (LDC), ATLANTA GAS LIGHT (AGL). GAS SOUTH PURCHASES NATURAL GAS FROM WHOLESALE SUPPLIERS FOR DELIVERY TO THE CITYGATE WHERE AGL ASSUMES RESPONSIBILITY AND LIABILITY ASSOCIATED WITH THE DELIVERY OF NATURAL GAS TO GAS SOUTH'S CUSTOMERS. GAS SOUTH ALSO SERVES COMMERCIAL AND INDUSTRIAL CUSTOMERS IN THE STATE OF FLORIDA THROUGH SEVERAL OTHER LDCS. GAS SOUTH IS REGISTERED TO SERVE LARGE COMMERCIAL AND INDUSTRIAL CUSTOMERS IN PORTIONS OF NORTH CAROLINA, SOUTH CAROLINA AND VIRGINIA THROUGH OTHER LDCS. GAS SOUTH MAY ALSO SERVE LARGE CUSTOMERS THAT ARE CONNECTED DIRECTLY TO INTERSTATE PIPELINES. GAS SOUTH'S MANAGEMENT COMMITTEE IS MADE UP OF COBB EMC EXECUTIVE MANAGEMENT AND THREE COBB EMC BOARD MEMBERS. COBB EMC BOARD MEMBERS SERVING ON THE MANAGEMENT COMMITTEE ARE COMPENSATED DIRECTLY BY GAS SOUTH. THESE AMOUNTS ARE REPORTED ON COBB EMC'S FORM 990 AS "REPORTABLE COMPENSATION FROM RELATED ORGANIZATIONS".</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>