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          <AddressLine1Txt>PO BOX 1129</AddressLine1Txt>
          <CityNm>Golden</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80402</ZIPCd>
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        <EIN>822080348</EIN>
        <PaidInternalFundsAmt>625</PaidInternalFundsAmt>
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          <BusinessNameLine1Txt>Pro 15</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>629 Warner Street</AddressLine1Txt>
          <CityNm>Fort Morgan</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80701</ZIPCd>
        </USAddress>
        <EIN>841553762</EIN>
        <PaidInternalFundsAmt>750</PaidInternalFundsAmt>
      </Section527PoliticalOrgGrp>
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>Ranchers Cattlemen Action</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 30715</AddressLine1Txt>
          <CityNm>Billings</CityNm>
          <StateAbbreviationCd>MT</StateAbbreviationCd>
          <ZIPCd>59107</ZIPCd>
        </USAddress>
        <EIN>810518665</EIN>
        <PaidInternalFundsAmt>500</PaidInternalFundsAmt>
      </Section527PoliticalOrgGrp>
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>Rural Leadership PAC</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>2318 Curtis Street</AddressLine1Txt>
          <CityNm>Denver</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80205</ZIPCd>
        </USAddress>
        <EIN>460929140</EIN>
        <PaidInternalFundsAmt>625</PaidInternalFundsAmt>
      </Section527PoliticalOrgGrp>
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>Senate Majority Fund</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>2318 Curtis Street</AddressLine1Txt>
          <CityNm>Denver</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80205</ZIPCd>
        </USAddress>
        <EIN>451353357</EIN>
        <PaidInternalFundsAmt>7500</PaidInternalFundsAmt>
      </Section527PoliticalOrgGrp>
      <Section527PoliticalOrgGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>Values First Colorado</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>601 16th Street C 138</AddressLine1Txt>
          <CityNm>Golden</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80401</ZIPCd>
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        <EIN>814643054</EIN>
        <PaidInternalFundsAmt>5000</PaidInternalFundsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I-A, Line 1 - Direct and Indirect Political Campaign Activities</FormAndLineReferenceDesc>
        <ExplanationTxt>Political Donations</ExplanationTxt>
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      <LandGrp>
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        <BookValueAmt>25708694</BookValueAmt>
      </LandGrp>
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        <OtherCostOrOtherBasisAmt>78607379</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>14121928</DepreciationAmt>
        <BookValueAmt>64485451</BookValueAmt>
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        <OtherCostOrOtherBasisAmt>1323190959</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>370975425</DepreciationAmt>
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      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>-203685</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>-203964</DepreciationAmt>
        <BookValueAmt>279</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>1042409958</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>ASSET RETIREMENT OBLIGATION</Desc>
        <Amt>9566482</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED CREDITS</Desc>
        <Amt>6021875</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>POST RETIREMENT BENEFITS &amp; PENSION</Desc>
        <Amt>13216843</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>REGULATORY LIABILITIES</Desc>
        <Amt>1555292</Amt>
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      <TotalLiabilityAmt>30360492</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>303551979</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>303551979</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>2897</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>2897</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>303554876</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>273485430</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>273485430</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>30069446</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>30069446</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>303554876</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 4b: Other revenue amounts included on 990 but not included in F/S</FormAndLineReferenceDesc>
        <ExplanationTxt>Net Rental Income $2897</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 4b: Other revenue amounts included on 990 but not included in F/S</FormAndLineReferenceDesc>
        <ExplanationTxt>Benefits Paid to Members $30066549 Other Expenses $2897</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
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      <ClubDuesOrFeesInd>X</ClubDuesOrFeesInd>
      <WrittenPolicyRefTAndEExpnssInd>true</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>true</SubstantiationRequiredInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Alex Mendez</PersonNm>
        <TitleTxt>Ops Director</TitleTxt>
        <BaseCompensationFilingOrgAmt>154027</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>15200</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>25943</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>64772</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>19077</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>279019</TotalCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Amanda Lesher</PersonNm>
        <TitleTxt>CustomerSrv Dir</TitleTxt>
        <BaseCompensationFilingOrgAmt>204650</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>30100</BonusFilingOrganizationAmount>
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        <TotalCompensationFilingOrgAmt>331259</TotalCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Amy Watson</PersonNm>
        <TitleTxt>Corp Attorney</TitleTxt>
        <BaseCompensationFilingOrgAmt>156704</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>19050</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>7102</OtherCompensationFilingOrgAmt>
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        <NontaxableBenefitsFilingOrgAmt>10825</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>246173</TotalCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Andrew Minter</PersonNm>
        <TitleTxt>Transmission Dir</TitleTxt>
        <BaseCompensationFilingOrgAmt>145513</BaseCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Dierdre P Jones</PersonNm>
        <TitleTxt>CFO</TitleTxt>
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        <NontaxableBenefitsFilingOrgAmt>29634</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>489934</TotalCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Ian Fleming</PersonNm>
        <TitleTxt>Corporate Services Manager</TitleTxt>
        <BaseCompensationFilingOrgAmt>171317</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>25050</BonusFilingOrganizationAmount>
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        <DeferredCompensationFlngOrgAmt>59980</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>28359</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>304522</TotalCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Mark Jurgemeyer</PersonNm>
        <TitleTxt>Engineering Dir</TitleTxt>
        <BaseCompensationFilingOrgAmt>193119</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>15050</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>26420</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>69818</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>19418</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>323825</TotalCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Martha Lord</PersonNm>
        <TitleTxt>Controller</TitleTxt>
        <BaseCompensationFilingOrgAmt>147043</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>12550</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>23435</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>66084</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>29104</NontaxableBenefitsFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Pamela Feuerstein</PersonNm>
        <TitleTxt>COO</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Patrick Mooney</PersonNm>
        <TitleTxt>CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>425337</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>75050</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>36263</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>107555</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>15169</NontaxableBenefitsFilingOrgAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 1a: Relevant information in regards to selections on 1a.</FormAndLineReferenceDesc>
        <ExplanationTxt>The Association provides up to $300 toward dues of a wellness program as a taxable benefit available to employees. Five of the above individuals are participating in this benefit.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="19009920" softwareVersionNum="2019v5.0">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 6: Explanation of Classes of Members or Shareholder</FormAndLineReferenceDesc>
        <ExplanationTxt>The Cooperative was formed by the members to provide electric service at cost on a cooperative basis, as provided for in its bylaws. There is only one class of members.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7a: How Members or Shareholders Elect Governing Body</FormAndLineReferenceDesc>
        <ExplanationTxt>The Association is divided into 7 districts, and each district is represented by one Board Member (Director). Board Members are elected by their respective district members to staggered four-year terms. Elections are by mail ballot, but members may vote in person at the annual meeting.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b: Form 990 Review Process</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990, including the related schedules, is completed internally by staff of the Association under the direction of the CFO, who in turn reviews the Governance, Management and Disclosure sections required by the Form 990 and presents a draft of the completed report to the CEO and Board of Directors for review. The return is then completed and filed.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c: Explanation of Monitoring and Enforcement of Conflicts</FormAndLineReferenceDesc>
        <ExplanationTxt>Officers, directors, and key employees are required to disclose any conflicts of interest as events or circumstances giving rise to a conflict occur. The CEO reviews any potential conflicts that are brought to his attention and makes the determination for key employees. The Board of Directors reviews and makes determinations for the CEO and at the director level. Restrictions on persons with a conflict generally result in removing the person from decision making authority concerning the conflict and may, in the case of Directors, include mandatory abstention from voting on the related agenda item.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a: Compensation Review &amp; Approval Process - CEO, Top Management</FormAndLineReferenceDesc>
        <ExplanationTxt>Compensation of the CEO is evaluated and approved by the Board of Directors, in comparison with industry standards and other cooperatives.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b: Compensation Review and Approval Process for Officers and Key Employees</FormAndLineReferenceDesc>
        <ExplanationTxt>Compensation for management employees, including salaries and benefits, is evaluated by Human Resources personnel under the direction of the CEO, using comparisons with industry standards, with other cooperatives, and in consideration of local employment and economic markets. The resulting recommendations are reviewed by the CEO and with the Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</FormAndLineReferenceDesc>
        <ExplanationTxt>The Bylaws of the Association,the Annual Report, and Board Minutes are available on the Association's web site at www.irea.coop. The Association's articles of incorporation are available on the Colorado Secretary of State's web site. Other Association documents, such as the Form 990,are available to the public upon request at the Association's headquarters office.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Changes In Net Assets Or Fund Balances - Other Increases</FormAndLineReferenceDesc>
        <ExplanationTxt>Benefits Paid to Members/Margin Allocation = $30066549</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Changes In Net Assets Or Fund Balances - Other Increases</FormAndLineReferenceDesc>
        <ExplanationTxt>Membership Fees = $16780</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Changes In Net Assets Or Fund Balances - Other Decreases</FormAndLineReferenceDesc>
        <ExplanationTxt>PCC Refund = -$16380437</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Changes In Net Assets Or Fund Balances - Other Increases</FormAndLineReferenceDesc>
        <ExplanationTxt>Unclaimed Capital Credits = $3006566</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 4 - Statement of Financial Expenses</FormAndLineReferenceDesc>
        <ExplanationTxt>The amount shown as Benefits paid to or for members represents the Patronage Capital for the year that the Cooperative credited to member capital accounts based on electric sales revenues in excess of operating costs and expenses.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 16a - Gov, Mgt &amp; Disc - Int in Joint Venture</FormAndLineReferenceDesc>
        <ExplanationTxt>The Association entered into a joint ownership agreement for construction and operation of a 750 megawatt coal-fired electric power generation plant in Pueblo, Colorado known as Comanche III. The Association's total net investment is about $323,000,000 for its 25.333% ownership interest. Public Service Company of Colorado operates the plant. The parties share operating expenses and receive energy from the plant in proportion to their ownership interest. Comanche III has been in commercial operation since July 2010.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 16b - Gov, Mgt &amp; Disc - Int in Joint Venture</FormAndLineReferenceDesc>
        <ExplanationTxt>The investment in Comanche III results in no receipt of revenue or profit from the plant. Rather, the Association receives energy. The Association does not participate in joint ventures or similar arrangements with taxable entities with the expectaion of receiving revenue or profits. Therefore, no written policy or procedure is necessary.</ExplanationTxt>
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    </IRS990ScheduleO>
  </ReturnData>
</Return>