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        <TotalRevenueColumnAmt>14379640</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>14202891</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>176749</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>201</TotalAmt>
      </GrantsToDomesticOrgsGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>1474860</TotalAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>403715</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>1068892</TotalAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>130805</TotalAmt>
      </PensionPlanContributionsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>98434</TotalAmt>
      </PayrollTaxesGrp>
      <InterestGrp>
        <TotalAmt>1138444</TotalAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>1434528</TotalAmt>
      </DepreciationDepletionGrp>
      <OtherExpensesGrp>
        <Desc>Cost of Power</Desc>
        <TotalAmt>6547064</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Distribution</Desc>
        <TotalAmt>2055438</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Admin &amp; General</Desc>
        <TotalAmt>1077426</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Miscellaneous Expenses</Desc>
        <TotalAmt>423220</TotalAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>-1389067</TotalAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>14463960</TotalAmt>
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      <CashNonInterestBearingGrp>
        <BOYAmt>946257</BOYAmt>
        <EOYAmt>979587</EOYAmt>
      </CashNonInterestBearingGrp>
      <AccountsReceivableGrp>
        <BOYAmt>830843</BOYAmt>
        <EOYAmt>768395</EOYAmt>
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      <InventoriesForSaleOrUseGrp>
        <BOYAmt>350154</BOYAmt>
        <EOYAmt>299388</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>772695</BOYAmt>
        <EOYAmt>669451</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>50440656</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>15695394</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>32413378</BOYAmt>
        <EOYAmt>34745262</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsProgramRelatedGrp>
        <BOYAmt>1784022</BOYAmt>
        <EOYAmt>1844490</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>16575</BOYAmt>
        <EOYAmt>16809</EOYAmt>
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      <TotalAssetsGrp>
        <BOYAmt>37113924</BOYAmt>
        <EOYAmt>39323382</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>1557336</BOYAmt>
        <EOYAmt>1529655</EOYAmt>
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      <DeferredRevenueGrp>
        <BOYAmt>232304</BOYAmt>
        <EOYAmt>230265</EOYAmt>
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      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>23036176</BOYAmt>
        <EOYAmt>23954876</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>114675</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>24825816</BOYAmt>
        <EOYAmt>25829471</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrgDoesNotFollowSFAS117Ind>X</OrgDoesNotFollowSFAS117Ind>
      <CapStkTrPrinCurrentFundsGrp>
        <BOYAmt>80923</BOYAmt>
        <EOYAmt>80923</EOYAmt>
      </CapStkTrPrinCurrentFundsGrp>
      <PdInCapSrplsLandBldgEqpFundGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </PdInCapSrplsLandBldgEqpFundGrp>
      <RtnEarnEndowmentIncmOthFndsGrp>
        <BOYAmt>12207185</BOYAmt>
        <EOYAmt>13412988</EOYAmt>
      </RtnEarnEndowmentIncmOthFndsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>12288108</BOYAmt>
        <EOYAmt>13493911</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>37113924</BOYAmt>
        <EOYAmt>39323382</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>-84320</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>1290123</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>179524</OtherCostOrOtherBasisAmt>
        <BookValueAmt>179524</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>632502</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>417676</DepreciationAmt>
        <BookValueAmt>214826</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>46961810</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>15277718</DepreciationAmt>
        <BookValueAmt>31684092</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>2666820</OtherCostOrOtherBasisAmt>
        <BookValueAmt>2666820</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>34745262</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Consumer Deposits</Desc>
        <Amt>114675</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>114675</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>14463963</TotalRevEtcAuditedFinclStmtAmt>
      <OtherRevenueAmt>77194</OtherRevenueAmt>
      <RevenueNotReportedAmt>77194</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>14386769</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>-7129</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>-7129</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>14379640</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>12989100</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>12989100</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>1474860</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>1474860</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>14463960</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Association is exempt from federal income tax under Section 501(c)(12) of the United States Internal Revenue Code. The Association evaluates its tax positions that have been taken or are expected to be taken on income tax returns to determine if an accrual is necessary for uncertain tax positions. As of December 31, 2015 and 2014, the unrecognized tax benefit accrual was zero. The Association will recognize future accrued interest and penalties related to unrecognized tax benefits in income tax expense if incurred. Under normal circumstances, the Association is no longer subject to Federal tax examinations by tax authorities for years before 2012 and State tax examination for years before 2012. The Association undergoes an annual analysis of its various tax positions, assessing the likelihood of those positions being upheld upon examination with relevant tax authorities.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>ATC Book Income (Loss) 77,194.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>ATC K-1 Income (Loss) -7,129.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 4b - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Patronage Capital Credits Allocated During Current Year 1,474,860.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Thomas Harrell</PersonNm>
        <TitleTxt>General Manager</TitleTxt>
        <BaseCompensationFilingOrgAmt>127699</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>23177</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>72390</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>26759</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>250025</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part II, column C, Deferred Compensation:</FormAndLineReferenceDesc>
        <ExplanationTxt>Included in other compensation is the estimated current year increase in the actuarial value of the defined benefit plan. These amounts do not represent any current year contributions to the plan. They are estimates of the increase in the actuarial value of the plan received from the NRECA. The current year expense and the increase in actuarial value for each employee is reflected in the Schedule O statement for Form 990, Part VII, column F.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Alger Delta Cooperative is an electric cooperative providing electricity to customers in nine rural districts. Each customer is a member of the Cooperative with one voting right each.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Alger Delta Cooperative is an electric Cooperative consisting of nine districts. The members in each district nominate and vote for their director. Each director is elected for a term of three years. Three directors are elected each year.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>Members retain the right to vote on the sale, merger, acquisition or dissolution of the cooperative; members have the right to vote to reinstate expelled members; they have the right to vote to elect or remove their district representative (board member); and they have the right to vote to amend the bylaws of the organization.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 8b</FormAndLineReferenceDesc>
        <ExplanationTxt>There are no committees that can act on behalf of the governing board.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990 is reviewed by the General Manager. It is also provided at a board meeting for the Board's review and approval prior to being filed with the IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>All employees and Directors are annually required to review the conflict of interest policy and disclose if they have an actual or potential conflict of interest. The General Manager reviews all reported actual or potential conflicts to determine if a conflict exists. The Board of Directors reviews the General Manager and other manager disclosures. If an actual or potential conflict is determined to exist that individual must abstain from any participation relative to the conflicting issue(s).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board annually reviews the General Manager's performance based on the performance review and the National Compensation Survey. The deliberation process was substantiated in board minutes. The General Manager reviews the CFO's performance annually using same survey.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Each new member is mailed a copy of the company's by-laws, and our "Code of Conduct". The governing documents and the financial statements are available on our website. They are also available upon request, along with the conflict of interest policy.</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 Thomas Harrell is $72,390 and for Amanda Seger is $7,359. These amounts are estimates in the increase of the value of the plan and are not current year expenses of the cooperative. The current year expense for this defined benefit plan was $30,094 and $19,478, respectively.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Statement of Functional Expenses, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>The labor, pension, and payroll taxes reported on lines 5-10 are already included in distribution expense, administrative &amp; general expense and customer expense. Therefore, these amounts are being subtracted out as an other deduction included on line 24e in the amount of $(1,701,846).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>The Cooperative has interpreted the instructions to Part IX, Line 4, to mean patronage capital allocated for the year, rather than patronage capital retired. This is consistent with the Bylaws of the Cooperative.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Patronage Capital Credits Allocated During Current Year 1,474,860. Retirement of Capital Credits -370,959. Unclaimed Credits 101,899. ATC LLC Book to K-1 Difference 84,323.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>