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            <ZIPCd>12401</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>RESEARCH CONSULTING SERVICES</ServicesDesc>
        <CompensationAmt>541380</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>GLENMAR PUBLIC POLICY RESEARCH ASSOCIATE</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>135 EASTERN PARKWAY 13K</AddressLine1Txt>
            <CityNm>BROOKLYN</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>11238</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>RESEARCH CONSULTING SERVICES</ServicesDesc>
        <CompensationAmt>221112</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>SCHLISSEL TECHNICAL CONSULTING</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>194 WESTMINSTER AVE</AddressLine1Txt>
            <CityNm>ARLINGTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02474</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>RESEARCH CONSULTING SERVICES</ServicesDesc>
        <CompensationAmt>210893</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ASF ENERGY LIMITED</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <ForeignAddress>
            <AddressLine1Txt>1 GREENACRES</AddressLine1Txt>
            <CityNm>BEDFORD</CityNm>
            <CountryCd>UK</CountryCd>
            <ForeignPostalCd>MK419AJ</ForeignPostalCd>
          </ForeignAddress>
        </ContractorAddress>
        <ServicesDesc>RESEARCH CONSULTING SERVICES</ServicesDesc>
        <CompensationAmt>173040</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>JALLMAK ENERGY LTD</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <ForeignAddress>
            <AddressLine1Txt>58 MULGRAVE ROAD</AddressLine1Txt>
            <CityNm>LONDON</CityNm>
            <ProvinceOrStateNm>WEST MIDLANDS</ProvinceOrStateNm>
            <CountryCd>UK</CountryCd>
            <ForeignPostalCd>W5 1LE</ForeignPostalCd>
          </ForeignAddress>
        </ContractorAddress>
        <ServicesDesc>RESEARCH CONSULTING SERVICES</ServicesDesc>
        <CompensationAmt>151509</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>11</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>11253308</AllOtherContributionsAmt>
      <TotalContributionsAmt>11253308</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>RESEARCH</Desc>
        <BusinessCd>541700</BusinessCd>
        <TotalRevenueColumnAmt>119000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>119000</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>119000</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>177914</TotalRevenueColumnAmt>
        <ExclusionAmt>177914</ExclusionAmt>
      </InvestmentIncomeGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
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        <ExclusionAmt>16569</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>LOSS ON FOREIGN CURRENCY</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>-64552</TotalRevenueColumnAmt>
        <ExclusionAmt>-64552</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>-47983</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>11502239</TotalRevenueColumnAmt>
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        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>129931</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <ForeignGrantsGrp>
        <TotalAmt>2140401</TotalAmt>
        <ProgramServicesAmt>2140401</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>559455</TotalAmt>
        <ProgramServicesAmt>193218</ProgramServicesAmt>
        <ManagementAndGeneralAmt>269628</ManagementAndGeneralAmt>
        <FundraisingAmt>96609</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>5296931</TotalAmt>
        <ProgramServicesAmt>4508448</ProgramServicesAmt>
        <ManagementAndGeneralAmt>533225</ManagementAndGeneralAmt>
        <FundraisingAmt>255258</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>86154</TotalAmt>
        <ProgramServicesAmt>68653</ProgramServicesAmt>
        <ManagementAndGeneralAmt>11852</ManagementAndGeneralAmt>
        <FundraisingAmt>5649</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>894543</TotalAmt>
        <ProgramServicesAmt>829948</ProgramServicesAmt>
        <ManagementAndGeneralAmt>44486</ManagementAndGeneralAmt>
        <FundraisingAmt>20109</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>264993</TotalAmt>
        <ProgramServicesAmt>195504</ProgramServicesAmt>
        <ManagementAndGeneralAmt>46104</ManagementAndGeneralAmt>
        <FundraisingAmt>23385</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>37787</TotalAmt>
        <ManagementAndGeneralAmt>37787</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>196801</TotalAmt>
        <ManagementAndGeneralAmt>196801</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>329</TotalAmt>
        <ProgramServicesAmt>329</ProgramServicesAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>1493403</TotalAmt>
        <ProgramServicesAmt>1410368</ProgramServicesAmt>
        <ManagementAndGeneralAmt>34945</ManagementAndGeneralAmt>
        <FundraisingAmt>48090</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>11816</TotalAmt>
        <ProgramServicesAmt>11816</ProgramServicesAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>137106</TotalAmt>
        <ProgramServicesAmt>84651</ProgramServicesAmt>
        <ManagementAndGeneralAmt>45248</ManagementAndGeneralAmt>
        <FundraisingAmt>7207</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>319364</TotalAmt>
        <ProgramServicesAmt>286025</ProgramServicesAmt>
        <ManagementAndGeneralAmt>23350</ManagementAndGeneralAmt>
        <FundraisingAmt>9989</FundraisingAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>14400</TotalAmt>
        <ProgramServicesAmt>8747</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4677</ManagementAndGeneralAmt>
        <FundraisingAmt>976</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>461264</TotalAmt>
        <ProgramServicesAmt>391017</ProgramServicesAmt>
        <ManagementAndGeneralAmt>66809</ManagementAndGeneralAmt>
        <FundraisingAmt>3438</FundraisingAmt>
      </TravelGrp>
      <InsuranceGrp>
        <TotalAmt>26076</TotalAmt>
        <ManagementAndGeneralAmt>26076</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>RESEARCH &amp; DATA SUBSCR.</Desc>
        <TotalAmt>790284</TotalAmt>
        <ProgramServicesAmt>790284</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>EDUCATION &amp; TRAINING</Desc>
        <TotalAmt>383226</TotalAmt>
        <ProgramServicesAmt>383226</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>COMMUNICATIONS</Desc>
        <TotalAmt>182404</TotalAmt>
        <ProgramServicesAmt>182404</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>ORGANIZATIONAL DEVEL.</Desc>
        <TotalAmt>44841</TotalAmt>
        <ProgramServicesAmt>39650</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4936</ManagementAndGeneralAmt>
        <FundraisingAmt>255</FundraisingAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>13341578</TotalAmt>
        <ProgramServicesAmt>11524689</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1345924</ManagementAndGeneralAmt>
        <FundraisingAmt>470965</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>1704469</BOYAmt>
        <EOYAmt>823398</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>3743410</BOYAmt>
        <EOYAmt>3005481</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
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        <EOYAmt>2950522</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>585892</BOYAmt>
        <EOYAmt>622686</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>661823</BOYAmt>
        <EOYAmt>665365</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>9946978</BOYAmt>
        <EOYAmt>8067452</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>114393</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>154580</BOYAmt>
        <EOYAmt>114393</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>4631034</BOYAmt>
        <EOYAmt>3883300</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>5161364</BOYAmt>
        <EOYAmt>4069759</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>9792398</BOYAmt>
        <EOYAmt>7953059</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>9946978</BOYAmt>
        <EOYAmt>8067452</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-1839339</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
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        <CurrentTaxYearMinus3YearsAmt>13149555</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>11585644</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>8544864</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>11253308</CurrentTaxYearAmt>
        <TotalAmt>54908742</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
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        <CurrentTaxYearMinus3YearsAmt>13149555</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>11585644</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>8544864</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>11253308</CurrentTaxYearAmt>
        <TotalAmt>54908742</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>23626807</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>31281935</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
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        <CurrentTaxYearMinus3YearsAmt>1509</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1956</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>167861</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>177914</CurrentTaxYearAmt>
        <TotalAmt>364373</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
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        <CurrentTaxYearMinus2YearsAmt>600</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2100</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>16569</CurrentTaxYearAmt>
        <TotalAmt>18753</TotalAmt>
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        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER INCOME - 2020 AMOUNT: $ 2,053. 2021 AMOUNT: $ 500. 2022 AMOUNT: $ 600. 2023 AMOUNT: $ 2,100. 2024 AMOUNT: $ 16,569. CURRENCY EXCHANGE LOSS - 2020 AMOUNT: $ -4,115. 2021 AMOUNT: $ 1,046.</ExplanationTxt>
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        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
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    <IRS990ScheduleC documentId="RetDoc1039600001">
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      </TotalGrassrootsLobbyingGrp>
      <TotalDirectLobbyingGrp>
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      </TotalDirectLobbyingGrp>
      <TotalLobbyingExpendGrp>
        <FilingOrganizationsTotalAmt>329</FilingOrganizationsTotalAmt>
      </TotalLobbyingExpendGrp>
      <OtherExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>13341249</FilingOrganizationsTotalAmt>
      </OtherExemptPurposeExpendGrp>
      <TotalExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>13341578</FilingOrganizationsTotalAmt>
      </TotalExemptPurposeExpendGrp>
      <LobbyingNontaxableAmountGrp>
        <FilingOrganizationsTotalAmt>817079</FilingOrganizationsTotalAmt>
      </LobbyingNontaxableAmountGrp>
      <GrassrootsNontaxableGrp>
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      </GrassrootsNontaxableGrp>
      <TotLbbyngGrassrootMnsNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotLbbyngGrassrootMnsNonTxGrp>
      <TotLbbyExpendMnsLbbyngNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotLbbyExpendMnsLbbyngNonTxGrp>
      <AvgLobbyingNontaxableAmountGrp>
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        <CurrentYearMinus2Amt>682876</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>809732</CurrentYearMinus1Amt>
        <CurrentYearAmt>817079</CurrentYearAmt>
        <TotalAmt>2838474</TotalAmt>
      </AvgLobbyingNontaxableAmountGrp>
      <LobbyingCeilingAmt>4257711</LobbyingCeilingAmt>
      <AvgTotalLobbyingExpendGrp>
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        <CurrentYearMinus1Amt>5206</CurrentYearMinus1Amt>
        <CurrentYearAmt>329</CurrentYearAmt>
        <TotalAmt>10882</TotalAmt>
      </AvgTotalLobbyingExpendGrp>
      <AvgGrassrootsNontaxableGrp>
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        <CurrentYearMinus2Amt>170719</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>202433</CurrentYearMinus1Amt>
        <CurrentYearAmt>204270</CurrentYearAmt>
        <TotalAmt>709619</TotalAmt>
      </AvgGrassrootsNontaxableGrp>
      <GrassrootsCeilingAmt>1064429</GrassrootsCeilingAmt>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
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      <OtherAssetsOrgGrp>
        <Desc>DUE FROM IEEFA AUSTRALIA</Desc>
        <BookValueAmt>403059</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>DEPOSITS</Desc>
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      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INSTITUTE PERFORMED AN EVALUATION OF UNCERTAINTY IN INCOME TAXES FOR THE YEAR ENDED DECEMBER 31, 2024 AND DETERMINED THAT THERE WERE NO MATTERS THAT WOULD REQUIRE RECOGNITION IN THE CONSOLIDATED FINANCIAL STATEMENTS OR THAT MAY HAVE ANY EFFECT ON ITS TAX-EXEMPT STATUS.</ExplanationTxt>
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      <AccountActivitiesOutsideUSGrp>
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        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>11</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>RESEARCH AND ANALYSIS; EDUCATION AND TRAINING</SpecificServicesProvidedTxt>
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      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA &amp; THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>EDUCATION AND TRAINING (ENERGY FINANCE CONFERENCE)</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>324874</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>10</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>RESEARCH AND ANALYSIS; EDUCATION AND TRAINING</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1059987</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH ASIA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>17</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>RESEARCH AND ANALYSIS; EDUCATION AND TRAINING</SpecificServicesProvidedTxt>
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      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA (WHICH INCLUDES CANADA AND MEXICO, BUT NOT THE U.S.)</RegionTxt>
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      <AccountActivitiesOutsideUSGrp>
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        <EmployeeCnt>0</EmployeeCnt>
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      </AccountActivitiesOutsideUSGrp>
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      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>41</TotalEmployeeCnt>
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      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>5725581</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <PurposeOfGrantTxt>OPERATING SUPPORT</PurposeOfGrantTxt>
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        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
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      </GrantsToOrgOutsideUSGrp>
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        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>IEEFA US ACTIVELY MONITORS THE USE OF GRANT FUNDS BY IEEFA AUSTRALIA. ON A MONTHLY BASIS, IEEFA AUSTRALIA PROVIDES IEEFA US WITH 1) A RECORD OF ALL EXPENDITURES INCURRED BY IEEFA AUSTRALIA; 2) A MANAGEMENT REPORT WHICH INCLUDES A BALANCE SHEET, PROFIT AND LOSS STATEMENT, AND AR/AP AGING REPORTS; AND 3) A COMPLETED BANK RECONCILIATION AND CORRESPONDING BANK STATEMENT. EACH DOCUMENT IS REVIEWED FOR ACCURACY, AND EACH EXPENDITURE IS REVIEWED PRIOR TO BE ADDED TO THE ACCOUNTING SYSTEM OF IEEFA US. IN ADDITION, IEEFA US HAS ONLINE ACCESS TO THE ACCOUNTING SYSTEM USED BY IEEFA AUSTRALIA.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>IEEFA REPORTED THE EXPENDITURES USING ACCRUAL BASIS ACCOUNTING, THE SAME METHOD USED IN ITS AUDITED FINANCIAL STATEMENTS.</ExplanationTxt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>PAUL WILLIAMS-DERRY</PersonNm>
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        <TotalCompensationFilingOrgAmt>214587</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <PersonNm>SETH FEASTER</PersonNm>
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        <PersonNm>JOHN HAUBER JR</PersonNm>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DENNIS WAMSTED</PersonNm>
        <TitleTxt>ENERGY ANALYST, TEAM FACILITATOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>162087</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <TotalCompensationFilingOrgAmt>195618</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ABHISHEK SINHA</PersonNm>
        <TitleTxt>ENERGY FINANCE ANALYST, PETROCHEMICA</TitleTxt>
        <BaseCompensationFilingOrgAmt>161700</BaseCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>6468</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>26624</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>194792</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOLLOWING INDIVIDUALS RECEIVED NON-FIXED DISCRETIONARY PERFORMANCE BONUSES IN 2024: - PAUL WILLIAMS-DERRY - $5,000 THESE PAYMENTS ARE MADE AT THE DISCRETION OF THE CEO AND CFO. PER IEEFA'S CLASSIFICATION AND COMPENSATION SYSTEM, BONUSES ARE GIVEN RATHER THAN ANNUAL SALARY INCREASES IF AN INDIVIDUAL'S SALARY IS OVER THE MAXIMUM FOR THEIR SALARY RANGE.</ExplanationTxt>
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    </IRS990ScheduleJ>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FEDERAL FORM 990 IS REVIEWED BY ALL MEMBERS OF THE GOVERNING BOARD BEFORE FILING WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL OFFICERS, DIRECTORS AND KEY EMPLOYEES FILL OUT THE ANNUAL CONFLICT OF INTEREST DISCLOSURE FORM AND ARE REQUIRED TO DISCLOSE CONFLICTS AS THEY WOULD ARISE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OF THE GOVERNING BOARD CONDUCT REVIEWS OF COMPENSATION FOR COMPARABLE POSITIONS AND MAKE INDEPENDENT DECISIONS ON COMPENSATION LEVELS. COMPENSATION MANAGEMENT SOFTWARE IS USED TO ANALYZE COMPARABLE MARKET PAY DATA WHEN DETERMINING COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>FINANCIAL STATEMENTS AND FORM 990S ARE POSTED ON OUR WEBSITE. ADDITIONAL DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>RESEARCH CONSULTANTS: PROGRAM SERVICE EXPENSES 1,297,934. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 1,297,934. OTHER CONSULTANTS: PROGRAM SERVICE EXPENSES 1,000. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 1,000. PAYROLL PROCESSING: PROGRAM SERVICE EXPENSES 104,588. MANAGEMENT AND GENERAL EXPENSES 2,920. FUNDRAISING EXPENSES 590. TOTAL EXPENSES 108,098. TRANSLATORS: PROGRAM SERVICE EXPENSES 3,458. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 3,458. ORGANIZATIONAL DEVELOPMENT CONSULTANTS: PROGRAM SERVICE EXPENSES 3,388. MANAGEMENT AND GENERAL EXPENSES 31,025. FUNDRAISING EXPENSES 47,500. TOTAL EXPENSES 81,913. TRAVEL AGENTS: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 1,000. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 1,000.</ExplanationTxt>
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        <ForeignAddress>
          <AddressLine1Txt>91 PERCY STREET</AddressLine1Txt>
          <CityNm>WARWICK</CityNm>
          <ProvinceOrStateNm>QUEENSLAND</ProvinceOrStateNm>
          <CountryCd>AS</CountryCd>
          <ForeignPostalCd>4370</ForeignPostalCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>CONDUCT ANALYSIS AND PUBLISH AND RELEASE STUDIES</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>AS</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
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      <GiftGrntOrCapContriToOthOrgInd>1</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
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          <BusinessNameLine1Txt>IEEFA AUSTRALIA LTD</BusinessNameLine1Txt>
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        <TransactionTypeTxt>B</TransactionTypeTxt>
        <InvolvedAmt>2140401</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>CASH</MethodOfAmountDeterminationTxt>
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