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        <PersonNm>Steven Johnson</PersonNm>
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        <PersonNm>Natasha Henderson</PersonNm>
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        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>157500</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Stuart Solomon</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <BaseCompensationFilingOrgAmt>157500</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>157500</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Susan Certoma</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <BaseCompensationFilingOrgAmt>153750</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>153750</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>John Ben Trowbridge</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <BaseCompensationFilingOrgAmt>150000</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
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        <TotalCompensationFilingOrgAmt>150000</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>Southwest Power Pool (SPP) board members are permitted to travel first class. SPP's expense policy allows for executive level management to use private planes or charter travel for business purposes. In 2024, neither private plane or charter travel options were utilized. Also, all employees of the organization who are eligible to receive benefits are provided an insurance credit which is grossed-up for payroll purposes and reported as taxable compensation.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 1b</FormAndLineReferenceDesc>
        <ExplanationTxt>Southwest Power Pool (SPP) has a travel and expense reimbursement policy in place to govern expenses incurred by employees for the benefit of the company that specifically addresses first class, charter or private aircraft travel. There's no specific policy that governs the insurance gross-up payments, however it's a longstanding company-wide practice applied to all employees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>The SPP Compensation Subcommittee, consisting of the Board members of the Human Resources (HR) Committee, is responsible for conducting periodic executive compensation reviews and determining the salary and incentives for the SPP CEO. These reviews are typically conducted every two to three years through a survey with an outside consultant. The Subcommittee is led by the Chair of the HR Committee. The Subcommittee is responsible for ensuring that critical job functions and goals for the SPP CEO are reviewed and discussed annually with them. The Chair of the Subcommittee annually recommends compensation and benefit adjustments to the Board Chair, who then presents the recommendation for board approval. All compensation decisions for the SPP officers are determined by the SPP CEO with board awareness.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>In June 2024, James Gunnell Sr., Technical Director of IT Program OPTI, left Southwest Power Pool (SPP). Upon his departure, he received a severance payment of $211,810. SPP has a 457(f) plan for the executive officers. The following officers are participants in the plan: Barbara Sugg, Paul Suskie, Michael Desselle, Michael Ross, Bruce Rew, Lanny Nickell and Antoine Lucas.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="R000004" softwareId="24021167" softwareVersionNum="v1.00">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization consists of members.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Members are responsible for electing the independent positions of Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>SPP's Board of Directors are elected by its members, which are those entities that have executed the SPP Membership Agreement and met the membership qualifications defined in the SPP Bylaws.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Data is accumulated from various sources and entered in the 990 forms by accounting staff. The form is then reviewed by the Controller prior to submission to the CFO for final concurrence.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>All employees are required to read the code of conduct, which contains the conflict of interest policy, on an annual basis. The employee electronically confirms that he or she has read and agrees to abide by the policy. SPP monitors this process electronically.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The SPP Compensation Subcommittee, consisting of the Board members of the Human Resources (HR) Committee, is responsible for conducting periodic executive compensation reviews and determining the salary and incentives for the SPP CEO. These reviews are typically conducted every two to three years through a survey with an outside consultant. The Subcommittee is led by the Chair of the HR Committee. The Subcommittee is responsible for ensuring that critical job functions and goals for the SPP CEO are reviewed and discussed annually with them. The Chair of the Subcommittee annually recommends compensation and benefit adjustments to the Board Chair, who then presents the recommendation for board approval. All compensation decisions for the SPP officers are determined by the SPP CEO with board awareness.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Governing documents and financial statements are available on the spp.org website.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>All other expenses credit balance of $813,265 consists of the following gains and expense reductions: non-service component costs of retirement plans $624,637, 457b asset valuation adjustments $492,890 and swap valuation gain $12,693 offset by non-operating expense accrual adjustments and other of $316,955.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>