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        <ExplanationTxt>WECC BELIEVES THAT IT HAS APPROPRIATE SUPPORT FOR ANY TAX POSITIONS TAKEN AFFECTING ITS ANNUAL FILING REQUIREMENTS, AND AS SUCH, DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS THAT ARE MATERIAL TO THE FINANCIAL STATEMENTS. WECC WOULD RECOGNIZE FUTURE ACCRUED INTEREST AND PENALTIES RELATED TO UNRECOGNIZED TAX BENEFITS AND LIABILITIES IN INCOME TAX EXPENSE IF SUCH INTEREST AND PENALTIES ARE INCURRED.</ExplanationTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRANDEN SUDDUTH</PersonNm>
        <TitleTxt>VP, RPPA</TitleTxt>
        <BaseCompensationFilingOrgAmt>210764</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>54959</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>3870</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>29342</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>22950</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>321885</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>54959</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>VICTOR HOWELL</PersonNm>
        <TitleTxt>DIRECTOR, RELIABILITY RISK MGMT</TitleTxt>
        <BaseCompensationFilingOrgAmt>176738</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>40000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>16257</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>22027</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>255022</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DEBORAH MCENDAFFER</PersonNm>
        <TitleTxt>DIRECTOR, ENTITY MONITORING</TitleTxt>
        <BaseCompensationFilingOrgAmt>174916</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>18475</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>17632</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>15718</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>226741</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>18475</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>STEVEN RUECKERT</PersonNm>
        <TitleTxt>DIRECTOR, STANDARDS</TitleTxt>
        <BaseCompensationFilingOrgAmt>168824</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>17420</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>17114</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>22950</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>226308</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>17420</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>STEVEN ASHBAKER</PersonNm>
        <TitleTxt>RELIABILITY INITIATIVES DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>183681</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>16936</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>16410</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>217027</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ANDREA COON</PersonNm>
        <TitleTxt>DIRECTOR, WREGIS</TitleTxt>
        <BaseCompensationFilingOrgAmt>160596</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>15551</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>16247</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>22786</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>215180</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>15551</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>FIRST CLASS TRAVEL IS APPROVED FOR EXECUTIVES WHEN COACH SEATS ARE UNAVAILABLE OR WHEN THE AVAILABLE SEATS ARE RESTRICTIVE. THE BENEFIT PLAN PROVIDES REIMBURSEMENTS FOR GYM MEMBERSHIP AND FITNESS CLASS FEES FOR EMPLOYEES AND THOSE REIMBURSEMENTS ARE INCLUDED IN COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>DAVID GODFREY - $355,966 THE ABOVE AMOUNT WAS INADVERTENTLY REPORTED ON THE 2019 SCHEDULE J PART III NARRATIVE SECTION EVEN THOUGH IT WAS NOT INCLUDED IN THE 2019 SCHEDULE J PART II SECTION. THIS AMOUNT WAS RECEIVED IN 2020 AND IS INCLUDED IN THE 2020 SCHEDULE J AMOUNTS ON PART II.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, QUESTION 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CEO MAY NOT CAST A VOTE THAT CREATES OR BREAKS A TIE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERSHIP IN WECC IS VOLUNTARY. ANY ORGANIZATION MAY BECOME A MEMBER OF WECC AS LONG AS ELIGIBILITY CRITERIA HAVE BEEN MET AS OUTLINED IN THE BYLAWS. THERE ARE 5 CLASSES OF MEMBERS BASED UPON THE ACTIVITIES OF THE MEMBER ORGANIZATION. MEMBERS OF WECC HAVE THE RIGHT TO ELECT AND REMOVE DIRECTORS, AMEND BYLAWS AND TO REVIEW AND RESCIND ANY BOARD AMENDMENT OF THE BYLAWS AS WELL AS THE RIGHT TO ATTEND AND PARTICIPATE IN MEETINGS AND COMMITTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGES TO THE WECC BYLAWS, AS OUTLINED IN SECTION 12, REQUIRE THE APPROVAL OF THE BOARD OR THE FULL MEMBERSHIP OF WECC, RESPECTIVELY. THOSE SECTIONS MOST DIRECTLY RELATED TO GOVERNANCE REQUIRE MEMBER APPROVAL. SUCH CHANGES ARE VOTED UPON BY BOARD AND, IF RECEIVING THE REQUIRED TWO-THIRDS MAJORITY IN FAVOR OF APPROVAL, THEY ARE THEN FORWARDED TO THE MEMBERSHIP FOR FINAL APPROVAL. IN ADDITION, ALL CHANGES TO THE WECC BYLAWS, WECC'S DELEGATION AGREEMENT, AND WECC RELIABILITY STANDARDS REQUIRE APPROVAL BY THE NORTH AMERICAN ELECTRIC RELIABILITY CORPORATION(NERC) AND THE FEDERAL ENERGY REGULATORY COMMISSION (FERC). WECC MAY BE TERMINATED UPON A VOTE OF A MAJORITY OF THE MEMBERS IN ACCORDANCE WITH THE PROVISIONS OF UTAH LAW, THE FEDERAL POWER ACT AND THE REQUIREMENTS OF THE DELEGATION AGREEMENT AND APPLICABLE INTERNATIONAL RELIABILITY AGREEMENTS. WECC'S BUDGET AND BUSINESS PLAN ALSO REQUIRE APPROVAL BY BOTH NERC AND FERC. SUCH ITEMS ARE SENT TO THE NERC BOARD OF TRUSTEES FOR RATIFICATION. NERC THEN FILES THEM WITH FERC FOR APPROVAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGES TO THE WECC BYLAWS, AS OUTLINED IN SECTION 12, REQUIRE THE APPROVAL OF THE BOARD OR THE FULL MEMBERSHIP OF WECC, RESPECTIVELY. THOSE SECTIONS MOST DIRECTLY RELATED TO GOVERNANCE REQUIRE MEMBER APPROVAL. SUCH CHANGES ARE VOTED UPON BY BOARD AND, IF RECEIVING THE REQUIRED TWO-THIRDS MAJORITY IN FAVOR OF APPROVAL, THEY ARE THEN FORWARDED TO THE MEMBERSHIP FOR FINAL APPROVAL. IN ADDITION, ALL CHANGES TO THE WECC BYLAWS AND WECC'S DELEGATION AGREEMENT REQUIRE APPROVAL BY THE NORTH AMERICAN ELECTRIC RELIABILITY CORPORATION(NERC) AND THE FEDERAL ENERGY REGULATORY COMMISSION (FERC). WECC MAY BE TERMINATED UPON A VOTE OF A MAJORITY OF THE MEMBERS IN ACCORDANCE WITH THE PROVISIONS OF UTAH LAW, THE FEDERAL POWER ACT AND THE REQUIREMENTS OF THE DELEGATION AGREEMENT AND APPLICABLE INTERNATIONAL RELIABILITY AGREEMENTS. WECC'S BUDGET AND BUSINESS PLAN ALSO REQUIRE APPROVAL BY BOTH NERC AND FERC. SUCH ITEMS ARE SENT TO THE NERC BOARD OF TRUSTEES FOR RATIFICATION. NERC THEN FILES THEM WITH FERC FOR APPROVAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>ONCE THE RETURN HAS BEEN PREPARED BY THE TAX PREPARER, THE CHIEF FINANCIAL AND ADMINISTRATIVE OFFICER REVIEWS THE FORM 990 FOR COMPLETENESS AND ANY NECESSARY CHANGES ARE MADE. A COPY IS PROVIDED TO THE CEO AND GENERAL COUNSEL FOR REVIEW PRIOR TO FILING. THE BOARD OF DIRECTORS IS ALSO PROVIDED WITH A COPY PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>WECC'S CONFLICT OF INTEREST POLICY IS CONTAINED IN THE STANDARDS OF CONDUCT FOR MEMBERS OF THE BOARD OF DIRECTORS AND OFFICERS AND EMPLOYEE STANDARDS OF CONDUCT, BOTH OF WHICH ARE APPENDED TO THE WECC BYLAWS. AS SUCH, THESE POLICIES APPLY TO ALL BOARD DIRECTORS AND EMPLOYEES. CONFLICTS OF INTEREST ARE ALSO ADDRESSED IN THE WECC BOARD OF DIRECTORS PRINCIPLES OF CORPORATE GOVERNANCE, A BOARD-APPROVED DOCUMENT PROVIDING GUIDANCE TO BOARD DIRECTORS ON VARIOUS TOPICS. ANY POTENTIAL CONFLICT OF INTEREST IS REPORTED TO THE CEO, BOARD CHAIR, OR GENERAL COUNSEL, AS APPROPRIATE. IN ADDITION, WECC PRACTICE PERMITS ANONYMOUS REPORTING OF POTENTIAL CONFLICTS TO THE WECC HOTLINE. THE CEO AND BOARD CHAIR CONSULT WITH THE GENERAL COUNSEL REGARDING ANY POTENTIAL CONFLICTS NOT REPORTED DIRECTLY TO THE GENERAL COUNSEL. THE GENERAL COUNSEL WILL THEN ADVISE THE REPORTING DIRECTOR, EMPLOYEE, OR CONTRACTOR REGARDING WHETHER THE ACTIVITY IS OR MAY BE CONSIDERED A CONFLICT AND DISCUSS APPROPRIATE ACTION TO AVOID OR REMEDY THE CONFLICT, INCLUDING, IN THE CASE OF BOARD DIRECTORS, RECUSAL BY THE AFFECTED DIRECTOR FROM THE MATTER IN QUESTION BY WRITTEN NOTICE TO THE BOARD OR, IN EXTREME CASES, RESIGNATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH YEAR THE CEO PREPARES A SELF-ASSESSMENT COMPARING THEIR PERFORMANCE TO THE GOALS SET FOR THE YEAR BY THE BOARD. THE SELF-ASSESSMENT IS REVIEWED BY THE HUMAN RESOURCES AND COMPENSATION COMMITTEE (HRCC). HRCC THEN SOLICITS INPUT ON THE CEO'S PERFORMANCE FROM THE BOARD. HRCC REVIEWS ALL INPUT AND MAKES AN ASSESSMENT. BASED ON THE ASSESSMENT, A RECOMMENDED INCREASE IN SALARY IS PROPOSED TO THE BOARD TAKING INTO ACCOUNT THE BUDGET AND ANY AVAILABLE MARKET DATA (MARKET DATA IS SOUGHT EVERY TWO TO THREE YEARS). THE BOARD REVIEWS THE INFORMATION AND APPROVES OR REJECTS THE PROPOSED SALARY FOR THE CEO. EACH YEAR THE EXECUTIVES OF WECC PREPARE A SELF-ASSESSMENT COMPARING THEIR PERFORMANCE TO THE GOALS SET FOR THE YEAR BY THE CEO. THE SELF-ASSESSMENT IS REVIEWED BY THE CEO. THE CEO ALSO ASSESSES THE EXECUTIVES' PERFORMANCE. BASED UPON THEIR PERFORMANCE, A RECOMMENDED INCREASE IN SALARY IS PROPOSED TO HRCC TAKING INTO ACCOUNT THE BUDGET AND ANY AVAILABLE MARKET DATA (MARKET DATA IS SOUGHT EVERY TWO TO THREE YEARS). THE HRCC REVIEWS THE INFORMATION AND MAKES A RECOMMENDATION TO THE BOARD FOR APPROVAL. THE EXECUTIVE TEAM REVIEWS AND APPROVES OR REJECTS PROPOSED SALARY INCREASES FOR THE REMAINING EMPLOYEE POPULATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS ARE AVAILABLE ON THE WECC WEBSITE. THE CONFLICT OF INTEREST POLICY AND THE FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
