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      <InsuranceGrp>
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        <FundraisingAmt>0</FundraisingAmt>
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        <Desc>MEDIA BUYS</Desc>
        <TotalAmt>1896860</TotalAmt>
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      <OtherExpensesGrp>
        <Desc>BUSINESS LICENSE &amp; REGISTRATION</Desc>
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        <ManagementAndGeneralAmt>299</ManagementAndGeneralAmt>
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      <ReconcilationRevenueExpnssAmt>11798587</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>0</NetUnrlzdGainsLossesInvstAmt>
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      <FSAuditedInd>false</FSAuditedInd>
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        <TypeOfActivitiesConductedTxt>Fundraising,Grantmaking,Speaking engagements,Conference Travel</TypeOfActivitiesConductedTxt>
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      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>2787022</TotalSpentAmt>
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        <RegionTxt>Europe (Including Iceland and Greenland)</RegionTxt>
        <PurposeOfGrantTxt>COMPETITIVE SUSTAINABILITY</PurposeOfGrantTxt>
        <CashGrantAmt>255395</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
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      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>Europe (Including Iceland and Greenland)</RegionTxt>
        <PurposeOfGrantTxt>INNOVATE ENERGY &amp; CLIMATE</PurposeOfGrantTxt>
        <CashGrantAmt>217200</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
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      <GrantsToOrgOutsideUSGrp>
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      <GrantsToOrgOutsideUSGrp>
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      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>Europe (Including Iceland and Greenland)</RegionTxt>
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        <CashGrantAmt>158270</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part I, Line 2 Procedures for monitoring use of grant funds</FormAndLineReferenceDesc>
        <ExplanationTxt>BREAKTHROUGH ENERGY MAINTAINS RECORDS INCLUDING GRANT PROPOSALS AND OTHER INFORMATION USED TO EVALUATE GRANTEES, GRANT AGREEMENTS, REPORTS FROM GRANTEES ON THEIR USE OF FUNDS AND PROJECT STATUS, AND FOLLOW-UP INFORMATION OBTAINED WHILE INVESTIGATING ANY AT-RISK GRANTS. BREAKTHROUGH ENERGY'S SELECTION PROCESS MAY VARY, BUT IN ANY EVENT THE ORGANIZATION WILL ONLY MAKE A GRANT UPON A WRITTEN DETERMINATION THAT THE RECIPIENT IS A SUITABLE GRANTEE AND THE GRANT WILL FURTHER THE ORGANIZATION'S CHARITABLE PURPOSES. IF BREAKTHROUGH ENERGY RECEIVES INFORMATION INDICATING THAT A DIVERSION OF GRANT FUNDS HAS TAKEN PLACE, BREAKTHROUGH ENERGY WILL WITHHOLD ANY FURTHER FUNDS AND WILL INVESTIGATE. IF BREAKTHROUGH ENERGY DETERMINES THAT A DIVERSION OCCURRED, IT WILL TAKE APPROPRIATE STEPS TO SECURE REPAYMENT AND WITHHOLD FUTURE PAYMENTS UNTIL IT IS SATISFIED FUTURE DIVERSIONS WON'T OCCUR AND THE GRANTEE IS TAKING APPROPRIATE PRECAUTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part I, Line 3 Method used to account for expenditures on org's financial statements</FormAndLineReferenceDesc>
        <ExplanationTxt>EUROPE (INCLUDING ICELAND AND GREENLAND)-Accrual</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part II, Line 1 Method used to account for expenditures on org's financial statements</FormAndLineReferenceDesc>
        <ExplanationTxt>EUROPE (INCLUDING ICELAND AND GREENLAND</ExplanationTxt>
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          <BusinessNameLine1Txt>Advanced Energy Works</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1010 Vermont Ave NW</AddressLine1Txt>
          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20005</ZIPCd>
        </USAddress>
        <RecipientEIN>800373809</RecipientEIN>
        <IRCSectionDesc>501(c)(4)</IRCSectionDesc>
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        <CashGrantAmt>2500000</CashGrantAmt>
        <PurposeOfGrantTxt>SUPPORT FOR MACRO GRID INITIATIVE (MGI)</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
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        </RecipientBusinessName>
        <RecipientEIN>264086284</RecipientEIN>
        <IRCSectionDesc>501(c)(4)</IRCSectionDesc>
        <CashGrantAmt>1170000</CashGrantAmt>
        <PurposeOfGrantTxt>Climate and jobs in industry</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Building Back Together</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <RecipientEIN>862447747</RecipientEIN>
        <IRCSectionDesc>501(c)(4)</IRCSectionDesc>
        <CashGrantAmt>850000</CashGrantAmt>
        <PurposeOfGrantTxt>Climate policy support comms</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Center for Climate and Energy Solutions</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <RecipientEIN>541892252</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>713080</CashGrantAmt>
        <PurposeOfGrantTxt>MOBILIZING BUSINESS ADVOCACY</PurposeOfGrantTxt>
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      <RecipientTable>
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        <IRCSectionDesc>501(c)(4)</IRCSectionDesc>
        <CashGrantAmt>458124</CashGrantAmt>
        <PurposeOfGrantTxt>REPUBLICANS &amp; PATHWAYS TO NET ZERO</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Clean Air Task Force Action Inc</BusinessNameLine1Txt>
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        <CashGrantAmt>1860231</CashGrantAmt>
        <PurposeOfGrantTxt>US CLEAN ENERGY INNOVATION POLICIES</PurposeOfGrantTxt>
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      <RecipientTable>
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          <BusinessNameLine1Txt>Clean Energy for America Inc</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <RecipientEIN>863168346</RecipientEIN>
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        <CashGrantAmt>666000</CashGrantAmt>
        <PurposeOfGrantTxt>MOBILIZING BUSINESS ADVOCACY</PurposeOfGrantTxt>
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      <RecipientTable>
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          <BusinessNameLine1Txt>Clean Power Campaign</BusinessNameLine1Txt>
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        <RecipientEIN>680260750</RecipientEIN>
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        <CashGrantAmt>280000</CashGrantAmt>
        <PurposeOfGrantTxt>CA LONG DURATION STORAGE POLICY</PurposeOfGrantTxt>
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      <RecipientTable>
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          <BusinessNameLine1Txt>ClearPath Action for Conservative Clean Energy Inc</BusinessNameLine1Txt>
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        <IRCSectionDesc>501(c)(4)</IRCSectionDesc>
        <CashGrantAmt>1350000</CashGrantAmt>
        <PurposeOfGrantTxt>General operating support.</PurposeOfGrantTxt>
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          <BusinessNameLine1Txt>Conservative Coalition for Climate Solutions Action Inc</BusinessNameLine1Txt>
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      <RecipientTable>
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          <BusinessNameLine1Txt>Evergreen Action</BusinessNameLine1Txt>
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        <CashGrantAmt>450000</CashGrantAmt>
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      <RecipientTable>
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          <BusinessNameLine1Txt>Climate Power</BusinessNameLine1Txt>
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        <RecipientEIN>812319758</RecipientEIN>
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        <CashGrantAmt>2700000</CashGrantAmt>
        <PurposeOfGrantTxt>General operating support.</PurposeOfGrantTxt>
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      <RecipientTable>
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        <RecipientEIN>812319758</RecipientEIN>
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        <CashGrantAmt>2000000</CashGrantAmt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Climate Power</BusinessNameLine1Txt>
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      <RecipientTable>
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          <BusinessNameLine1Txt>League of Conservation Voters</BusinessNameLine1Txt>
        </RecipientBusinessName>
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        <CashGrantAmt>800000</CashGrantAmt>
        <PurposeOfGrantTxt>General operating support.</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>League of Conservation Voters</BusinessNameLine1Txt>
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      <RecipientTable>
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        <CashGrantAmt>745000</CashGrantAmt>
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        <CashGrantAmt>219500</CashGrantAmt>
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      <RecipientTable>
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        <FormAndLineReferenceDesc>Schedule I, Part I, Line 2 Procedures for monitoring use of grant funds.</FormAndLineReferenceDesc>
        <ExplanationTxt>BREAKTHROUGH ENERGY ACTION MAINTAINS RECORDS INCLUDING GRANT PROPOSALS AND OTHER INFORMATION USED TO EVALUATE GRANTEES, GRANT AGREEMENTS, REPORTS FROM GRANTEES ON THEIR USE OF FUNDS AND PROJECT STATUS, AND FOLLOW-UP INFORMATION OBTAINED WHILE INVESTIGATING ANY AT-RISK GRANTS. BREAKTHROUGH ENERGY ACTION'S SELECTION PROCESS MAY VARY, BUT IN ANY EVENT THE ORGANIZATION WILL ONLY MAKE A GRANT UPON A WRITTEN DETERMINATION THAT THE RECIPIENT IS A SUITABLE GRANTEE AND THE GRANT WILL FURTHER THE ORGANIZATION'S CHARITABLE PURPOSES. IF BREAKTHROUGH ENERGY ACTION RECEIVES INFORMATION INDICATING THAT A DIVERSION OF GRANT FUNDS HAS TAKEN PLACE, BREAKTHROUGH ENERGY ACTION WILL WITHHOLD ANY FURTHER FUNDS AND WILL INVESTIGATE. IF BREAKTHROUGH ENERGY ACTION DETERMINES THAT A DIVERSION OCCURRED, IT WILL TAKE APPROPRIATE STEPS TO SECURE REPAYMENT AND WITHHOLD FUTURE PAYMENTS UNTIL IT IS SATISFIED FUTURE DIVERSIONS WON'T OCCUR AND THE GRANTEE IS TAKING APPROPRIATE PRECAUTIONS.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>BREAKTHROUGH ENERGY ACTION HAS TWO MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7a Members or stockholders electing members of governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERS OF THE BREAKTHROUGH ENERGY ACTION HAVE THE RIGHT TO APPOINT AND REMOVE THE DIRECTORS OF THE FOUNDATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7b Decisions requiring approval by members or stockholders</FormAndLineReferenceDesc>
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      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THE DRAFT RETURN IS REVIEWED BY THE FINANCE AND LEGAL FUNCTIONS AND APPROVED BY THE TREASURER AND SECRETARY. A FINAL VERSION OF THE FORM IS MADE AVAILABLE TO THE BOARD BEFORE FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c Conflict of interest policy</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
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