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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jerome Wild</PersonNm>
        <TitleTxt>Director - Technology &amp; Services</TitleTxt>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Philip Bruich</PersonNm>
        <TitleTxt>Director - Markets</TitleTxt>
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        <DeferredCompensationFlngOrgAmt>135496</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>5133</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>494641</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Bert Bressers</PersonNm>
        <TitleTxt>Director - Operations Support</TitleTxt>
        <BaseCompensationFilingOrgAmt>232604</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>65900</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>11500</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>16183</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15549</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>341736</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>David Kelley Jr</PersonNm>
        <TitleTxt>Director Seams &amp; Tariff Services</TitleTxt>
        <BaseCompensationFilingOrgAmt>203108</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>94600</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>6112</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>-16098</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>23142</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>310864</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Leonard Tao</PersonNm>
        <TitleTxt>Director - FERC Policy</TitleTxt>
        <BaseCompensationFilingOrgAmt>239092</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>52700</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>10488</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>46589</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1700</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>350569</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Charles Yeung</PersonNm>
        <TitleTxt>Executive Director - Interregional Affairs</TitleTxt>
        <BaseCompensationFilingOrgAmt>228257</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>60400</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>7930</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>-7985</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>24371</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>312973</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Larry Altenbaumer</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <BaseCompensationFilingOrgAmt>193625</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Susan Certoma</PersonNm>
        <TitleTxt>Chair</TitleTxt>
        <BaseCompensationFilingOrgAmt>164625</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>164625</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <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. 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 Human Resources (HR) Committee is responsible for conducting periodic compensation surveys and determining the benchmark peers for SPP officers. The surveys are typically conducted every 2-3 years, by an outside consultant engaged by the committee. The Human Resources Committee is responsible for ensuring the critical job functions and goals of the SPP President are reviewed with the SPP President annually. The committee annually recommends compensation and benefit adjustments for the SPP President to the SPP Board of Directors. The HR Committee reviews compensation for SPP officers but does not make recommendations. All compensation decisions for the SPP officers are determined by the SPP President and CEO.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>In April 2022, Philip Bruich, director of markets, left Southwest Power Pool (SPP). Upon his departure, he received a severance payment of $224,500. SPP has a 457(f) plan for the executive officers. The following officers are participants in the plan: Barbara Sugg, Paul Suskie, Thomas Dunn, Michael Desselle, Michael Ross, Bruce Rew and Lanny Nickell.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part II</FormAndLineReferenceDesc>
        <ExplanationTxt>The retirement and other deferred compensation amount includes the annual increase/(decrease) in the actuarial value of the pension plan. In 2022, as a result of the increase in the discount rate used for valuation of pension obligations from 4% as of 12/31/2021 to 5.25% as of 12/31/2022, the present value of future pension compensation decreased for most of the individuals reported resulting in a negative amount in column C, retirement and other deferred compensation.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="R000004" softwareId="22015720" 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 Accounting Manager and 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 Human Resources (HR) Committee is responsible for conducting periodic compensation surveys and determining the benchmark peers for SPP officers. The surveys are typically conducted every 2-3 years, by an outside consultant engaged by the committee. The Human Resources Committee is responsible for ensuring the critical job functions and goals of the SPP President are reviewed with the SPP President annually. The committee annually recommends compensation and benefit adjustments for the SPP President to the SPP Board of Directors. The HR committee reviews compensation for SPP officers but does not make recommendations. All compensation decisions for the SPP officers are determined by the SPP President and CEO.</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 VII, Section A, Line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>The estimated amount of other compensation from the organization includes the annual increase/(decrease) in the actuarial value of the pension plan. In 2022, as a result of the increase in the discount rate used for valuation of pension obligations from 4% as of 12/31/2021 to 5.25% as of 12/31/2022, the present value of future pension compensation decreased for most of the individuals reported resulting in a negative amount in column F, the estimated amount of other compensation from the organization and related organizations.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24e</FormAndLineReferenceDesc>
        <ExplanationTxt>All other expenses credit balance of $5,095,972 consists of the following gains and expense reductions: change in funded status of retirement plans $3,567,652, swap valuation gain $771,454, non-service component costs of retirement plans $2,043,289 offset by 457f plan $1,177,104 and non-operating expense accrual adjustments and other of $109,319.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>