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        <TotalRevenueColumnAmt>28367</TotalRevenueColumnAmt>
        <ExclusionAmt>28367</ExclusionAmt>
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        <RealAmt>3600</RealAmt>
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        <TotalRevenueColumnAmt>-293463</TotalRevenueColumnAmt>
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        <Desc>MISC REVENUE - BELUGA CAMP</Desc>
        <BusinessCd>221000</BusinessCd>
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        <TotalAmt>-18884</TotalAmt>
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        <TotalAmt>2726838</TotalAmt>
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        <TotalAmt>34200255</TotalAmt>
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        <Desc>FUEL/PURCHASED POWER</Desc>
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        <Desc>ADMIN &amp; GENERAL</Desc>
        <TotalAmt>35254530</TotalAmt>
        <ManagementAndGeneralAmt>35254530</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>OTHER POWER PRODUCTION</Desc>
        <TotalAmt>30147638</TotalAmt>
        <ProgramServicesAmt>30147638</ProgramServicesAmt>
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        <Desc>DISTRIBUTION EXPENSE</Desc>
        <TotalAmt>22145009</TotalAmt>
        <ProgramServicesAmt>22145009</ProgramServicesAmt>
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      <AllOtherExpensesGrp>
        <TotalAmt>15561474</TotalAmt>
        <ProgramServicesAmt>15561474</ProgramServicesAmt>
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        <TotalAmt>277015149</TotalAmt>
        <ProgramServicesAmt>239033781</ProgramServicesAmt>
        <ManagementAndGeneralAmt>37981368</ManagementAndGeneralAmt>
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        <EOYAmt>34926456</EOYAmt>
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      <InvestmentsProgramRelatedGrp>
        <BOYAmt>6635234</BOYAmt>
        <EOYAmt>6420444</EOYAmt>
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        <EOYAmt>61309497</EOYAmt>
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        <EOYAmt>1254285243</EOYAmt>
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        <EOYAmt>84000000</EOYAmt>
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        <BOYAmt>2019553</BOYAmt>
        <EOYAmt>2043248</EOYAmt>
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        <EOYAmt>198671609</EOYAmt>
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      <RtnEarnEndowmentIncmOthFndsGrp>
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        <EOYAmt>16997595</EOYAmt>
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        <BOYAmt>218061053</BOYAmt>
        <EOYAmt>217712452</EOYAmt>
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        <BOYAmt>1807919630</BOYAmt>
        <EOYAmt>1886824613</EOYAmt>
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      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>23697</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>-372298</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
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        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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        <OtherCostOrOtherBasisAmt>27307557</OtherCostOrOtherBasisAmt>
        <BookValueAmt>27307557</BookValueAmt>
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      <BuildingsGrp>
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        <DepreciationAmt>90149911</DepreciationAmt>
        <BookValueAmt>142988263</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>2091033587</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>731943721</DepreciationAmt>
        <BookValueAmt>1359089866</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>1529385686</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>CONSUMER DEPOSITS</Desc>
        <Amt>3846531</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>ACCRUED INTEREST</Desc>
        <Amt>11470359</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>FUEL &amp; FUEL COST PAYABLE</Desc>
        <Amt>5997341</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>SALARIES, WAGES &amp; BENEFITS</Desc>
        <Amt>13498935</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>COST OF REMOVAL OBLIGATION</Desc>
        <Amt>167184454</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>OPERATING LEASE LIABILITY</Desc>
        <Amt>3751433</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED COMPENSATION &amp; CREDIT</Desc>
        <Amt>14028355</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>BRU REGULATORY LIABILITY AND OTHER</Desc>
        <Amt>83941217</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>303718625</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>277205447</TotalRevEtcAuditedFinclStmtAmt>
      <OtherRevenueAmt>190296</OtherRevenueAmt>
      <RevenueNotReportedAmt>190296</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>277015151</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>23695</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>23695</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>277038846</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>277224329</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>277224329</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>-209180</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>-209180</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>277015149</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>FOOTNOTE 2(U): CHUGACH APPLIES A MORE-LIKELY-THAN-NOT RECOGNITION THRESHOLD FOR ALL TAX UNCERTAINTIES. FASB ASC 740, "TOPIC 740 - INCOME TAXES," ONLY ALLOWS THE RECOGNITION OF THOSE TAX BENEFITS THAT HAVE A GREATER THAN FIFTY PERCENT LIKELIHOOD OF BEING SUSTAINED UPON EXAMINATION BY THE TAXING AUTHORITIES. CHUGACH'S MANAGEMENT REVIEWED CHUGACH'S TAX POSITION AND DETERMINED THERE WERE NO OUTSTANDING OR RETROACTIVE TAX POSITION THAT WERE NOT HIGHLY CERTAIN OF BEING SUSTAINED UPON EXAMINATION BY THE TAXING AUTHORITIES. MANAGEMENT HAS CONCLUDED THAT THERE ARE NO SIGNIFICANT TAX POSITIONS REQUIRING RECOGNITION IN ITS FINANCIAL STATEMENTS FOR ALL PERIODS PRESENTED CHUGACH'S EVALUATION WAS PERFORMED FOR THE TAX PERIODS ENDED DECEMBER 31, 2023 THROUGH SEPTEMBER 30, 2024 FOR UNITED STATES FEDERAL INCOME TAX, THE TAX YEARS WHICH REMAIN SUBJECT TO EXAMINATION BY MAJOR TAX JURISDICTIONS AS OF SEPTEMBER 30, 2024.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>AFUDC 328,481. DONATIONS -138,185.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERSHIPS 23,695.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>DONATIONS 138,185. AFUDC -328,481. ASSIGNABLE MARGINS -18,884.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>CREDIT APPLIED TO ELECTRIC BILL</GrantTypeTxt>
        <RecipientCnt>427</RecipientCnt>
        <CashGrantAmt>135000</CashGrantAmt>
        <ValuationMethodUsedDesc>BOOK</ValuationMethodUsedDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III.</FormAndLineReferenceDesc>
        <ExplanationTxt>CHUGACH MAY INCLUDE AS PART OF ITS ANNUAL BUDGET A SUM OF MONEY FOR CONTRIBUTIONS TO ASSIST CHUGACH MEMBERS WHO BECAUSE OF VARIOUS HARDSHIP SITUATIONS ARE UNABLE TO PAY THEIR PAST DUE ELECTRIC BILL. HARDSHIP SITUATIONS INCLUDE, BUT ARE NOT LIMITED TO, CIRCUMSTANCES WHERE EITHER THE MEMBER OR A DEPENDENT IN THE MEMBER'S HOUSEHOLD IS SERIOUSLY ILL, HANDICAPPED, OR DEPENDENT ON LIFE SUPPORT SYSTEMS. CHUGACH HAS A BOARD POLICY THAT ESTABLISHES THE CRITERIA, AS DEFINED ABOVE, THAT MEMBERS MUST MEET IN ORDER TO QUALIFY FOR ASSISTANCE IN PAYING THEIR PAST DUE ELECTRIC BILLS. THE APPLICANT SCREENING IS DONE THROUGH THE AGING AND DISABILITY RESOURCE CENTER ADMINISTERED BY THE MUNICIPALITY OF ANCHORAGE, DEPARTMENT OF HEALTH AND HUMAN SERVICES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>CHUGACH ELECTRIC ASSOCIATION, INC. PROVIDES THE GENERATION, TRANSMISSION, AND DISTRIBUTION OF ELECTRICITY TO RETAIL CUSTOMERS AND THE GENERATION AND TRANSMISSION OF ELECTRICITY TO ITS WHOLESALE CUSTOMER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>CHUGACH ELECTRIC ASSOCIATION, INC. PROVIDES TRANSMISSION AND DISTRIBUTION SERVICES TO APPROXIMATELY 113,635 RETAIL SERVICE LOCATIONS AND PROVIDES GENERATION AND TRANSMISSION SERVICES TO ITS WHOLESALE CUSTOMER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>CHUGACH ELECTRIC ASSOCIATION, INC. PROVIDES THE GENERATION, TRANSMISSION, AND DISTRIBUTION OF ELECTRICITY TO RETAIL CUSTOMERS AND THE GENERATION AND TRANSMISSION TO ITS WHOLESALE CUSTOMER. WE PROVIDE SAFE, RELIABLE, AND AFFORDABLE ELECTRICITY THROUGH SUPERIOR SERVICE AND SUSTAINABLE PRACTICES, POWERING THE LIVES OF OUR MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINES 1 AND 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHUGACH ELECTRIC ASSOCIATION, INC. CHANGED ITS 12/31 YEAR END TO A 9/30 FISCAL YEAR END AND FILED A FORM 990 FOR THE SHORT PERIOD FROM 1/1/2024 TO 9/30/2024. BECAUSE NO TAX YEAR ENDED WITHIN THE SHORT YEAR, NO FORMS 1099 OR W-2 WERE FILED FOR THE REPORTING PERIOD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990, PART VI, SECTION A, LINE 9 SOME OF THE INDIVIDUALS CANNOT BE REACHED AT THE ORGANIZATION'S MAILING ADDRESS. THIS INFORMATION IS AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION IS AN ELECTRIC COOPERATIVE WHICH IS OWNED BY ITS MEMBERS, APPROXIMATELY 90,280 AS OF 09/30/24.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CURRENT BOARD OF DIRECTORS ARE ELECTED BY THE MEMBERSHIP AND SERVE FOUR-YEAR TERMS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGES TO THE ORGANIZATION'S BYLAWS AND ARTICLES OF INCORPORATION ARE SUBJECT TO APPROVAL BY THE MEMBERSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD COMMITTEES DO NOT HAVE THE AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY. BOARD COMMITTEES MAKE RECOMMENDATIONS TO THE GOVERNING BODY FOR APPROVAL, HOWEVER, THE ORGANIZATION CONTEMPORANEOUSLY DOCUMENTS THE COMMITTEE MEETINGS HELD AND WRITTEN RECOMMENDATIONS UNDERTAKEN DURING THE YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S REVIEW PROCESS FOR FORM 990 INCLUDES AN INITIAL REVIEW BY THE CEO AND OFFICERS IN DETAIL, INCLUDING ALL FORMS AND SCHEDULES. THE FORMS AND SCHEDULES ARE ALSO PROVIDED TO THE BOARD OF DIRECTORS PRIOR TO BEING FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CHUGACH BOARD HAS A WRITTEN "PROHIBITED CONDUCT AND CONFLICT OF INTEREST" POLICY AND PROCEDURES FOR REVIEW AND APPROVAL OF RELATED-PARTY TRANSACTIONS. EITHER THE BOARD MEMBERS OR THE CEO WILL CONDUCT THE REVIEW, DEPENDING WHO IS INVOLVED. AMONG OTHER FACTORS, THE NATURE OF THE TRANSACTION AND WHETHER THE TRANSACTION OR RELATIONSHIP IMPAIRS THE ABILITY OF THE EMPLOYEE OR DIRECTOR TO SERVE THE BEST INTEREST OF CHUGACH ARE EVALUATED DURING THE REVIEW. THE ORGANIZATION REGULARLY AND CONSISTENTLY MONITORS MINUTES AND INVESTIGATES POTENTIAL OR ACTUAL CONFLICTS WHEN DISCOVERED THROUGH MEMBER IDENTIFICATION. CONFLICTS OF AN EMPLOYEE ARE REVIEWED AND DETERMINED BY THE CEO, CHAIRMAN OF THE BOARD, AND LEGAL COUNSEL. CONFLICTS OF THE CEO ARE REVIEWED AND DETERMINED BY THE BOARD OF DIRECTORS. CONFLICTS OF THE BOARD OF DIRECTORS ARE REVIEWED BY LEGAL COUNSEL AND DETERMINATIONS ARE MADE BY A VOTE OF THE BOARD OF DIRECTORS AFTER RECEIVING ADVICE FROM LEGAL COUNSEL. ANY DIRECTOR OR EMPLOYEE WHOSE CONDUCT INFRINGES UPON EITHER THE LETTER OR SPIRIT OF THE CONFLICT OF INTEREST POLICY SHALL BE SUBJECT TO: (1) IF CEO, TERMINATION BY APPROPRIATE ACTION OF THE BOARD OF DIRECTORS; (2) IF AN EMPLOYEE, TERMINATION BY APPROPRIATE ACTION OF THE CEO; OR (3) IF A DIRECTOR, CHARGES BY THE BOARD LEADING TO REMOVAL IN ACCORDANCE WITH THE APPROPRIATE SECTION OF THE ORGANIZATION'S BYLAWS OR AUTOMATIC INELIGIBILITY AS APPLICABLE UNDER THE CIRCUMSTANCES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS ENLISTED THE AID OF AN INDEPENDENT CONSULTANT TO ADVISE THEM ON MARKET COMPENSATION, AND THE PROCESS WAS CONTEMPORANEOUSLY DOCUMENTED. AFTER MEETING WITH THE CONSULTANT, THE BOARD SET THE CEO'S SALARY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL APPLICABLE DOCUMENTS ARE AVAILABLE TO THE PUBLIC ON THE COMPANY'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, SECTION A AND SCHEDULE J, PART II:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHUGACH ELECTRIC ASSOCIATION, INC. CHANGED ITS 12/31 YEAR END TO A 9/30 FISCAL YEAR END AND FILED A FORM 990 FOR THE SHORT PERIOD FROM 1/1/2024 TO 9/30/2024. COMPENSATION INFORMATION IS NOT BEING REPORTED IN ACCORDANCE WITH THE FORM 990 FILING INSTRUCTIONS FOR SHORT PERIOD RETURNS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>DONATED CAPITAL 221,036. UNREDEEMED CAPITAL CREDITS -56,128. RETIREMENT OF CAPITAL CREDITS AND ESTATE PAYMENTS -518,322. ASSIGNABLE MARGINS -18,884.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>CHANGE IN ACCOUNTING PERIOD:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHUGACH ELECTRIC ASSOCIATION, INC. CHANGED ITS 12/31 YEAR END TO A 9/30 FISCAL YEAR END AND FILED A FORM 990 FOR THE SHORT PERIOD FROM 1/1/2024 TO 9/30/2024. REVENUE PROCEDURE 85-58 RULES APPLY. TAXPAYER IS PURSUING A PRIVATE LETTER RULING UNDER SECTION 301.9100-3 REGARDING THIS CHANGE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>