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    <BuildTS>2021-01-29 14:40:06Z</BuildTS>
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        <ExplanationTxt>BEFORE PLEDGING A DONATION TO THE IEEE POWER &amp; ENERGY SOCIETY (PES) SCHOLARSHIP PLUS INITIATIVE, THE NYISO CONDUCTED DUE DILIGENCE ON THIS SCHOLARSHIP PROGRAM TO ASSESS ITS STABILITY, EQUALITY IN ADMINISTRATION, AND CONSISTENCY WITH THE NYISO'S MISSION AND OBJECTIVES. THE NYISO'S HUMAN RESOURCE (HR) AND LEGAL DEPARTMENTS CONDUCTED INDEPENDENT EVALUATIONS OF THE PROGRAM'S PUBLICLY AVAILABLE INFORMATION (AVAILABLE AT HTTP://WWW.EE- SCHOLARSHIP.ORG/SPONSORSHIP/DONATE-NOW). NYISO HR AND LEGAL REPRESENTATIVES ALSO SPOKE WITH THE IEEE FOUNDATION CAPITAL CAMPAIGN MANAGER TO OBTAIN FURTHER PROGRAM SPECIFICS, INCLUDING THE SELECTION PROCESS FOR THE PES SCHOLARS. IEEE CONFIRMED THAT CONTRIBUTIONS ARE MADE TO THE IEEE FOUNDATION, NOT SCHOLARSHIP CANIDATES, AND THAT INDIVIDUAL SCHOLARSHIPS ARE AWARDED ONLY AFTER COMPLETION OF THE APPLICATION PROCESS. THERE IS NO REQUIREMENT FOR THE NYISO TO PROVIDE INTERNSHIPS OR CAREER OPPORTUNITIES TO IEEE SCHOLARSHIP AWARDEES AS A CONDITION OF THE NYISO'S SUPPORT FOR THE PROGRAM. THE NYISO BELIEVES THAT THIS SCHOLARSHIP PROGRAM IS APPROPRIATELY ADMINISTERED AND PROVIDES SOLID RESOURCE FOR THE DEVELOPMENT OF ENGINEERS, INCLUDING WITHIN THE FIELD OF POWER SYSTEMS. BY SUPPORTING THE EDUCATION OF FUTURE POWER INDUSTRY WORKFORCE, THIS SCHOLARSHIP PROGRAM IS ALIGNED WITH THE NYISO'S PURPOSE.</ExplanationTxt>
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        <TotalCompensationFilingOrgAmt>287107</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>WESLEY J YEOMANS</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>VP OF OPERATIONS</TitleTxt>
        <BaseCompensationFilingOrgAmt>268100</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>203239</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>25614</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>127396</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>21518</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>645867</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>107194</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>MATTHEW A ANGLIN</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>DIRECTOR OF ENTERPRISE SECURITY &amp; CISO</TitleTxt>
        <BaseCompensationFilingOrgAmt>190465</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>32695</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>430</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>60450</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>23388</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>307428</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>6135</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>AARON D MARKHAM</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>DIRECTOR OF GRID OPERATIONS</TitleTxt>
        <BaseCompensationFilingOrgAmt>170691</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>20804</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>18287</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>40812</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>17697</NontaxableBenefitsFilingOrgAmt>
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        <TotalCompensationFilingOrgAmt>268291</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>DIANE M PELUSO</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>SR. MANAGER OF ENERGY MKTS, OPERATIONS &amp; RELIABILITY PRODUCTS</TitleTxt>
        <BaseCompensationFilingOrgAmt>149824</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>16254</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>1433</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>19244</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>18255</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>205010</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>ROBERT A PIKE</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>DIRECTOR OF MARKET DESIGN AND PROJECT MANAGEMENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>200447</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>86282</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>18517</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>86195</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>27115</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>418556</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>48672</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>TODD P ROMANSKY</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>MANAGER IT INFRASTRUCTURES</TitleTxt>
        <BaseCompensationFilingOrgAmt>146836</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>16520</BonusFilingOrganizationAmount>
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        <DeferredCompensationFlngOrgAmt>23218</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsFilingOrgAmt>22909</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>210693</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>MARTIN SILVERMAN</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>DIRECTOR OF INTERNAL AUDIT</TitleTxt>
        <BaseCompensationFilingOrgAmt>158305</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>60345</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>21329</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>55509</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>18647</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>314135</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>30467</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>RYAN SMITH</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>DIRECTOR OF IT SOFTWARE TECHNOLOGY</TitleTxt>
        <BaseCompensationFilingOrgAmt>188053</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>20695</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>281</OtherCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>44065</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>274462</TotalCompensationFilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>MICHAEL STAHL</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>SR. MANAGER IT INFRASTRUCTURE &amp; OPERATIONS</TitleTxt>
        <BaseCompensationFilingOrgAmt>170812</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationFilingOrgAmt>3096</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>245562</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>GARY WIELAND</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>MANAGER OF FACILITIES</TitleTxt>
        <BaseCompensationFilingOrgAmt>136366</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>14967</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>1242</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>17041</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>18462</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>188078</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>JOHN P BUECHLER</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>EXECUTIVE REGULATORY POLICY ADVISOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>517814</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationFilingOrgAmt>10950</OtherCompensationFilingOrgAmt>
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        <TotalCompensationFilingOrgAmt>557743</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>KAREN G GACH</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>DIRECTOR DEPUTY GENERAL COUNSEL</TitleTxt>
        <BaseCompensationFilingOrgAmt>209691</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>91821</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>18723</OtherCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>78684</DeferredCompensationFlngOrgAmt>
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        <TotalCompensationFilingOrgAmt>429538</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>52241</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>RAYMOND W STALTER</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>DIRECTOR, REGULATORY AFFAIRS</TitleTxt>
        <BaseCompensationFilingOrgAmt>200945</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>78128</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>1203</OtherCompensationFilingOrgAmt>
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        <TotalCompensationFilingOrgAmt>349376</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>43866</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>DANA WALTERS</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>DIRECTOR OF RELIABILITY &amp; ECONOMIC PLANNING</TitleTxt>
        <BaseCompensationFilingOrgAmt>171419</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>73483</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>19907</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>61872</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>348517</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>42354</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>STEPHEN G WHITLEY</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>SPECIAL ASSISTANT TO THE CHAIRMAN OF THE BOARD OF DIRECTORS</TitleTxt>
        <BaseCompensationFilingOrgAmt>655217</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>1536188</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>65101</OtherCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>220442</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsFilingOrgAmt>8795</NontaxableBenefitsFilingOrgAmt>
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        <TotalCompensationFilingOrgAmt>2485743</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>669500</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 3 COMPENSATION OF CEO</FormAndLineReferenceDesc>
        <ExplanationTxt>TO DETERMINE THE COMPENSATION OF NYISO'S PRESIDENT AND CHIEF EXECUTIVE OFFICER, NYISO, THROUGH COLLABORATION WITH OTHER INDEPENDENT SYSTEM OPERATORS AND REGIONAL TRANSMISSION ORGANIZATIONS, PERIODICALLY ENGAGES AN INDEPENDENT EXECUTIVE COMPENSATION FIRM TO PERFORM A BENCHMARK COMPENSATION ASSESSMENT TO AID NYISO'S BOARD OF DIRECTORS IN THEIR REVIEW OF THE PRESIDENT AND CHIEF EXECUTIVE OFFICER'S COMPENSATION. IN ADDITION, AS PART OF THIS COMPENSATION ASSESSMENT, THE FORM 990 OF OTHER RELEVANT ORGANIZATIONS ( INCLUDING OTHER INDEPENDENT SYSTEM OPERATORS AND REGIONAL TRANSMISSION ORGANIZATIONS ) ARE REVIEWED. THE RESULTS OF THIS ASSESSMENT ARE PROVIDED TO THE COMMERCE AND COMPENSATION COMMITTEE OF NYISO'S BOARD OF DIRECTORS FOR REVIEW ANNUALLY. THE COMMERCE AND COMPENSATION COMMITTEE MAKES A RECOMMENDATION REGARDING THE PRESIDENT AND CHIEF EXECUTIVE OFFICER'S COMPENSATION TO THE BOARD OF DIRECTORS, AND THE BOARD OF DIRECTORS AUTHORIZES THE PRESIDENT AND CHIEF EXECUTIVE OFFICER'S COMPENSATION ANNUALLY. THE PRESIDENT AND CHIEF EXECUTIVE OFFICER HAS A WRITTEN EMPLOYMENT CONTRACT WITH CONDITIONS APPROVED BY THE BOARD OF DIRECTORS. NYISO COMPLIES WITH THE THREE REQUIREMENTS OF THE REBUTTABLE PRESUMPTION STANDARD, AS OUTLINED IN TREASURY REGULATIONS SECTION 53.4958-6: (1) EXECUTIVE COMPENSATION IS AUTHORIZED BY THE NYISO'S BOARD OF DIRECTORS, WHICH IS COMPOSED ENTIRELY OF INDIVIDUALS WHO DO NOT HAVE A CONFLICT OF INTEREST WITH RESPECT TO THE COMPENSATION ARRANGEMENT (2) THE BOARD OF DIRECTORS AUTHORIZING EXECUTIVE COMPENSATION OBTAINS AND RELIES ON APPROPRIATE DATA AS TO COMPARABILITY PRIOR TO MAKING DETERMINATIONS, AND (3) THE BOARD OF DIRECTORS ADEQUATELY DOCUMENTS THE BASIS FOR DETERMINATIONS CONCURRENTLY WITH MAKING THE DETERMINATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part II, Column (B)(ii) BONUS AND INCENTIVE COMPENSATION</FormAndLineReferenceDesc>
        <ExplanationTxt>COLUMN B(II) BONUS AND INCENTIVE COMPENSATION INCLUDES AMOUNTS PAID IN 2016 UNDER NYISO'S ANNUAL INCENTIVE PROGRAM AND LONG TERM INCENTIVE PLAN. NYISO'S LONG TERM INCENTIVE PLAN PROVIDES CERTAIN MEMBERS OF SENIOR MANAGEMENT WITH DEFERRED COMPENSATION BENEFITS. BENEFITS ARE BASED UPON THE ACHIEVEMENT OF THREE-YEAR PERFORMANCE GOALS ESTABLISHED BY THE BOARD OF DIRECTORS. THESE AMOUNTS ARE SUBJECT TO FORFEITURE IF THE EMPLOYEE VOLUNTARILY ENDS THEIR EMPLOYMENT WITH NYISO, OR IS TERMINATED FOR CAUSE. LONG TERM INCENTIVE PLAN PAYMENTS ARE PAID IN EQUAL INSTALLMENTS OVER THREE YEARS FOLLOWING COMPLETION OF THE THREE YEAR CYCLE. A PARTICIPANT IS VESTED IN THAT PORTION OF THE AWARD THAT IS PAYABLE TO THE PARTICIPANT AS OF A DISTRIBUTION DATE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part II, Column (C) COLUMN C DEFERRED COMPENSATION</FormAndLineReferenceDesc>
        <ExplanationTxt>COLUMN C REFLECTS "DEFERRED COMPENSATION", WHICH INCLUDES AMOUNTS EARNED AND ACCRUED IN 2016 UNDER THE LONG TERM INCENTIVE PLAN, AND 401K CONTRIBUTIONS, AND THE ANNUAL INCREASE OR DECREASE IN ACTUARIAL VALUE OF ACCRUED PENSION BENEFITS AND ACCRUED POST RETIREMENT BENEFITS. DEPENDING ON AGE, YEARS OF SERVICE, AND OTHER ACTUARIAL ASSUMPTIONS, CERTAIN INDIVIDUALS MAY REFLECT SIGNIFICANT CHANGES IN THE ACTUARIAL COMPUTED VALUE OF THEIR RESPECTIVE PENSION AND POST RETIREMENT BENEFITS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 1a Tax indemnification and gross-up payments</FormAndLineReferenceDesc>
        <ExplanationTxt>VICE PRESIDENT AND CHIEF INFORMATION OFFICER, DOUGLAS CHAPMAN RECEIVED PAYMENT FOR RELOCATION COSTS THAT WAS GROSSED UP FOR TAXES IN ACCORDANCE WITH HIS WRITTEN EMPLOYMENT OFFER. THESE PAYMENTS WERE TREATED AS TAXABLE COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 4a Severance or change-of-control payment</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INDIVIDUAL THAT RECEIVED A SEVERANCE PAYMENT WAS XINGYONG H. CHAO IN THE AMOUNT OF $98,652.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 7 Non-fixed payments</FormAndLineReferenceDesc>
        <ExplanationTxt>AMOUNTS LISTED ON FORM 990, PART VII, FOR NYISO OFFICERS AND EMPLOYEES, INCLUDE PAYMENTS MADE AND ACCRUED PURSUANT TO NYISO'S ANNUAL INCENTIVE PROGRAM AND LONG-TERM INCENTIVE PLAN FOR NYISO OFFICERS AND CERTAIN EMPLOYEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 8 Payments on contract that is subject to the initial contract exception</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION REPORTED FOR BRADLEY C JONES INCLUDES SALARY AND AT RISK COMPENSATION PAYMENTS PAID PURSUANT TO A WRITTEN EMPLOYMENT CONTRACT DATED AS OF SEPTEMBER 14, 2015, BY WHICH MR. JONES BECAME PRESIDENT AND CHIEF EXECUTIVE OFFICER. MR. JONES HAD NOT PREVIOUSLY BEEN A DISQUALIFIED PERSON WITH RESPECT TO NYISO, AND THE CONTRACT WAS IN EFFECT BEFORE HE RENDERED ANY SERVICES TO NYISO. COMPENSATION REPORTED FOR STEPHEN G. WHITLEY INCLUDES SALARY AND AT RISK COMPENSATION PAYMENTS PURSUANT TO A WRITTEN EMPLOYMENT CONTRACT NAMING MR. WHITLEY THE NYISO PRESIDENT AND CHIEF EXECUTIVE OFFICER ORIGINALLY DATED JULY 5, 2008, AND RENEWED WITHOUT MATERIAL CHANGES ON OCTOBER 16, 2012, AND FURTHER RENEWED AND AMENDED ON JANUARY 13, 2015. PRIOR TO THE ORIGINAL CONTRACT, MR. WHITLEY HAD NOT BEEN A DISQUALIFIED PERSON WITH RESPECT TO NYISO, AND THE CONTRACT WAS IN EFFECT BEFORE HE RENDERED ANY SERVICES TO THE NYISO. MR. WHITLEY'S TERM AS PRESIDENT AND CEO CONCLUDED ON OCTOBER 12, 2015, WHEN MR. JONES WAS APPOINTED PRESIDENT AND CEO. MR. WHITLEY CEASED TO BE A VOTING MEMBER OF THE NYISO'S BOARD OF DIRECTORS AT THAT TIME. PURSUANT TO HIS EMPLOYMENT CONTRACT, MR. WHITLEY THEN BECAME SPECIAL ASSISTANT TO THE CHAIRMAN OF THE BOARD OF DIRECTORS UNTIL DECEMBER 31, 2016. IN THIS CAPACITY, MR. WHITLEY PROVIDED SERVICES AS REQUESTED BY THE CHAIRMAN OF THE BOARD, INCLUDING TRANSITIONAL SUPPORT TO THE INCOMING PRESIDENT AND CEO AND ADVICE ON STRATEGIC INITIATIVES. AT NO TIME DURING 2016 DID MR. WHITLEY PARTICIPATE IN ANY MANAGEMENT DECISIONS AFFECTING THE NYISO. COMPENSATION RECEIVED BY MR. WHITLEY IN 2016 INCLUDED A LONG TERM INCENTIVE PLAN PAYMENT FOR THE THREE YEAR CYCLE 2013 - 2015 IN THE AMOUNT OF $1,137,924, WHICH WAS FULLY EARNED AT THE COMPLETION OF THE CYCLE. THIS COMPENSATION IS REPORTED ON SCHEDULE J, PART II, COLUMN (B)(ii) - BONUS AND INCENTIVE COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="IRS990ScheduleL" softwareId="16000421" softwareVersionNum="2016v3.0">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <BusinessName>
            <BusinessNameLine1Txt>LAURA GRIBBIN</BusinessNameLine1Txt>
          </BusinessName>
        </NameOfInterested>
        <RelationshipDescriptionTxt>SISTER OF A NYISO OFFICER</RelationshipDescriptionTxt>
        <TransactionAmt>126962</TransactionAmt>
        <TransactionDesc>LAURA GRIBBIN, A LEAD PRODUCT BUSINESS ANALYST AT NYISO, IS NOT AN OFFICER AND DOES NOT MEET THE INTERNAL REVENUE SERVICE DEFINITION OF A " KEY EMPLOYEE". WESLEY YEOMANS, NYISO'S VICE PRESIDENT OF OPERATIONS, IS AN OFFICER OF THE COMPANY AND IS LAURA GRIBBIN'S BROTHER, ANOTHER NYISO EMPLOYEE.</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <BusinessName>
            <BusinessNameLine1Txt>WALTER GROSENHEIDER</BusinessNameLine1Txt>
          </BusinessName>
        </NameOfInterested>
        <RelationshipDescriptionTxt>SON OF NYISO DIRECTOR</RelationshipDescriptionTxt>
        <TransactionAmt>12754</TransactionAmt>
        <TransactionDesc>WALTER GROSENHEIDER WAS A PAID INTERN DURING THE SUMMER OF 2016. WALTER GROSENHEIDER IS THE SON OF NYISO DIRECTOR, AVE M. BIE</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <BusinessName>
            <BusinessNameLine1Txt>JAMILAH AHMAD-SMITH</BusinessNameLine1Txt>
          </BusinessName>
        </NameOfInterested>
        <RelationshipDescriptionTxt>WIFE OF A NYISO OFFICER</RelationshipDescriptionTxt>
        <TransactionAmt>105957</TransactionAmt>
        <TransactionDesc>JAMILAH AHMAD-SMITH, SENIOR OPERATIONS ENGINEERING ENGINEER AT NYISO, IS NOT AN OFFICER AND DOES NOT MEET THE INTERNAL REVENUE SERVICE DEFINITION OF A " KEY EMPLOYEE". ZACHARY G SMITH, NYISO'S VICE PRESIDENT OF SYSTEM AND RESOURCES PLANNING, IS AN OFFICER OF THE COMPANY AND IS JAMILAH AHMAD-SMITH'S HUSBAND, ANOTHER NYISO EMPLOYEE.</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="16000421" softwareVersionNum="2016v3.0">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part I, Line 1 BRIEF MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>* MAINTAINING AND ENHANCING REGIONAL RELIABILITY. * OPERATING OPEN, FAIR AND COMPETITIVE WHOLESALE ELECTRICITY MARKETS. * PLANNING THE POWER SYSTEM FOR THE FUTURE. * PROVIDING FACTUAL INFORMATION TO POLICY MAKERS, STAKEHOLDERS AND INVESTORS IN THE POWER SYSTEM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part III, Line 1 ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>* MAINTAINING AND ENHANCING REGIONAL RELIABILITY. * OPERATING OPEN, FAIR AND COMPETITIVE WHOLESALE ELECTRICITY MARKETS. * PLANNING THE POWER SYSTEM FOR THE FUTURE. * PROVIDING FACTUAL INFORMATION TO POLICY MAKERS, STAKEHOLDERS AND INVESTORS IN THE POWER SYSTEM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part V, Line 2a TOTAL NUMBER OF INDIVIDUALS EMPLOYED IN CALENDAR YEAR 2016</FormAndLineReferenceDesc>
        <ExplanationTxt>NYISO'S RESPONSES TO THESE QUESTIONS INDICATE 616 AS THE TOTAL NUMBER OF EMPLOYEES. AS PER THE FORM 990 INSTRUCTIONS, THIS TOTAL REPRESENTS THE NUMBER OF WAGE FORMS FOR EMPLOYEES ( INCLUDING STUDENT INTERNS AND PART-TIME EMPLOYEES) ON NYISO'S PAYROLL AT ANY POINT DURING 2016. THE TOTAL NUMBER OF NYISO EMPLOYEES AT DECEMBER 31, 2016 WAS 538, THE MAJORITY OF WHOM ARE PROFESSIONAL POWER SYSTEM ENGINEERS, NERC CERTIFIED SYSTEM OPERATORS, ACCOUNTANTS, ECONOMISTS AND ATTORNEYS WITH BACHELORS AND/OR POSTGRADUATE DEGREES. ALL NYISO EMPLOYEES HAVE BEEN SUBJECTED TO EXTENSIVE SECURITY REVIEWS, IN COOPERATION WITH THE UNITED STATES DEPARTMENTS OF ENERGY AND HOMELAND SECURITY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 6 MEMBERS OR STOCKHOLDERS</FormAndLineReferenceDesc>
        <ExplanationTxt>NYISO DOES NOT HAVE ANY MEMBERS OR STOCKHOLDERS WITH OWNERSHIP RIGHTS IN NYISO OR ITS ASSETS. IN ACCORDANCE WITH NYISO'S GOVERNING DOCUMENTS, ENTITIES THAT PARTICIPATE IN THE NYISO-ADMINISTERED MARKETS MAY TAKE PART IN A COMMITTEE PROCESS TO DEVELOP NYISO'S BUDGET AND MODIFICATIONS TO NYISO'S TARIFFS AND PROCEDURES, WHICH ARE THEN RECOMMENDED TO NYISO'S BOARD FOR ITS APPROVAL. NYISO'S BOARD MAINTAINS THE ULTIMATE RESPONSIBILITY FOR THE GOVERNANCE DECISIONS OF NYISO.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7a ELECT MEMBERS OF THE GOVERNING BODY</FormAndLineReferenceDesc>
        <ExplanationTxt>NYISO'S BOARD OF DIRECTORS MAKES FINAL DETERMINATIONS TO FILL VACANCIES ON THE BOARD. NYISO STAKEHOLDERS PARTICIPATING IN THE MANAGEMENT COMMITTEE ( NYISO'S HIGHEST RANKING STAKEHOLDER COMMITTEE WITH REPRESENTATIVES FROM GENERATION OWNERS, TRANSMISSION OWNERS, END-USE CONSUMERS, PUBLIC POWER/ENVIRONMENTAL PARTIES, AND OTHER SUPPLIERS ) ASSIST IN THIS PROCESS BY CONDUCTING A SEARCH TO IDENTIFY AT LEAST THREE BOARD CANDIDATES FOR EACH VACANCY THAT MEET THE QUALIFICATIONS SPECIFIED IN NYISO'S GOVERNING DOCUMENTS. NYISO'S BOARD MAY SELECT A DIRECTOR FROM THIS LIST, OR IT MAY SEEK A CANDIDATE IDENTIFIED THROUGH ANOTHER SOURCE, SUCH AS AN EXECUTIVE SEARCH FIRM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 7b DECISIONS OF THE GOVERNING BODY</FormAndLineReferenceDesc>
        <ExplanationTxt>AS A GENERAL RULE, THE DECISIONS OF NYISO'S BOARD ARE NOT SUBJECT TO THE APPROVAL OF NYISO STAKEHOLDERS. NOTE THAT IN ACCORDANCE WITH NYISO'S GOVERNING DOCUMENTS, NYISO STAKEHOLDERS THAT PARTICIPATE IN NYISO'S HIGHEST RANKING STAKEHOLDER COMMITTEE, THE MANAGEMENT COMMITTEE, HAVE TO ENDORSE CHANGES SOUGHT BY NYISO'S BOARD TO NYISO'S TARIFFS AND GOVERNING DOCUMENTS TO BE FILED PURSUANT TO SECTION 205 OF THE FEDERAL POWER ACT WITH NYISO'S CHIEF REGULATOR - THE FEDERAL ENERGY REGULATORY COMMISSION. HOWEVER, NYISO'S BOARD MAY PURSUE SUCH CHANGES WITHOUT THE MANAGEMENT COMMITTEE'S CONCURRENCE BY FILING PURSUANT TO SECTION 206 OF THE FEDERAL POWER ACT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>PRIOR TO FILING, NYISO'S FORM 990 IS REVIEWED BY THE CONTROLLER &amp; ASSISTANT TREASURER AND/OR ACCOUNTING MANAGER, VICE PRESIDENT &amp; CHIEF FINANCIAL OFFICER, PRESIDENT &amp; CHIEF EXECUTIVE OFFICER, AS WELL AS LEGAL COUNSEL. FOLLOWING THE COMPLETION OF REVIEWS BY THESE PARTIES, NYISO'S FORM 990 IS PROVIDED TO THE COMMERCE AND COMPENSATION COMMITTEE OF NYISO'S BOARD OF DIRECTORS ALONG WITH THE REST OF THE BOARD OF DIRECTORS FOR THEIR REVIEW. A COMPLETE COPY OF THE FORM 990 (INCLUDING ALL REQUIRED SCHEDULES), AS ULTIMATELY FILED WITH THE IRS, IS PROVIDED TO THE BOARD OF DIRECTORS BEFORE BEING FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c Conflict of interest policy</FormAndLineReferenceDesc>
        <ExplanationTxt>NYISO PROVIDES TRAINING FOR NEW EMPLOYEES ON A VARIETY OF COMPLIANCE ISSUES, INCLUDING ITS CONFLICTS OF INTEREST POLICY, AND CONDUCTS ANNUAL REFRESHER TRAINING FOR ALL EMPLOYEES, MANAGEMENT AND BOARD MEMBERS. NYISO ALSO PUBLISHES A PROHIBITED INVESTMENT LIST AT LEAST ANNUALLY AND REQUIRES THAT EMPLOYEES, MANAGEMENT AND BOARD MEMBERS SIGN AN ANNUAL COMPLIANCE CERTIFICATE ACKNOWLEDGING THEIR OBLIGATIONS UNDER THE CODE OF CONDUCT AND CERTIFYING THAT THEY HAVE NO PROHIBITED INVESTMENTS OR BUSINESS OR FINANCIAL CONFLICTS OF INTEREST. FURTHER, NYISO PERIODICALLY CONDUCTS A CONFLICTS OF INTEREST SURVEY TO ENSURE EMPLOYEES ARE IN COMPLIANCE WITH THE CONFLICTS OF INTEREST POLICY AND REQUIRE THAT THEY DISCLOSE ANY POSSIBLE CONCERNS TO THE COMPLIANCE OFFICE. EMPLOYEES ALSO HAVE ACCESS TO A COMPLIANCE HOTLINE AND AN EXTERNAL WHISTLEBLOWER SERVICE, SHOULD THEY HAVE A COMPLIANCE QUESTION OR WISH TO REPORT A COMPLIANCE CONCERN. THE COMPLIANCE OFFICE FOLLOWS UP ON REPORTED COMPLIANCE CONCERNS AND ENSURES THAT IDENTIFIED ISSUES ARE HANDLED IN ACCORDANCE WITH NYISO'S POLICIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a Process to establish compensation of top management official</FormAndLineReferenceDesc>
        <ExplanationTxt>TO DETERMINE THE COMPENSATION OF NYISO'S PRESIDENT AND CHIEF EXECUTIVE OFFICER, NYISO, THROUGH COLLABORATION WITH OTHER INDEPENDENT SYSTEM OPERATORS AND REGIONAL TRANSMISSION ORGANIZATIONS, PERIODICALLY ENGAGES AN INDEPENDENT EXECUTIVE COMPENSATION FIRM TO PERFORM A BENCHMARK COMPENSATION ASSESSMENT TO AID NYISO'S BOARD OF DIRECTORS IN THEIR REVIEW OF THE PRESIDENT AND CHIEF EXECUTIVE OFFICER'S COMPENSATION. SUCH BENCHMARKING ASSESSMENT WAS LAST COMPLETED IN 2016. IN ADDITION, AS PART OF THIS COMPENSATION ASSESSMENT, THE FORM 990 OF OTHER RELEVANT ORGANIZATIONS (INCLUDING OTHER INDEPENDENT SYSTEM OPERATORS AND REGIONAL TRANSMISSION ORGANIZATIONS ) ARE REVIEWED. THE RESULTS OF THIS ASSESSMENT ARE PROVIDED TO THE COMMERCE AND COMPENSATION COMMITTEE OF NYISO'S BOARD OF DIRECTORS FOR REVIEW ANNUALLY. THE COMMERCE AND COMPENSATION COMMITTEE MAKES A RECOMMENDATION REGARDING THE PRESIDENT AND CHIEF EXECUTIVE OFFICER'S COMPENSATION TO THE BOARD OF DIRECTORS, AND THE BOARD OF DIRECTORS AUTHORIZES THE PRESIDENT AND CHIEF EXECUTIVE OFFICER'S COMPENSATION ANNUALLY. THE PRESIDENT AND CHIEF EXECUTIVE OFFICER HAS A WRITTEN EMPLOYMENT CONTRACT WITH CONDITIONS APPROVED BY THE BOARD OF DIRECTORS. NYISO COMPLIES WITH THE THREE REQUIREMENTS OF THE REBUTTABLE PRESUMPTION STANDARD, AS OUTLINED IN TREASURY REGULATIONS SECTION 53.4958-6: (1) EXECUTIVE COMPENSATION IS AUTHORIZED BY THE NYISO'S BOARD OF DIRECTORS, WHICH IS COMPOSED ENTIRELY OF INDIVIDUALS WHO DO NOT HAVE A CONFLICT OF INTEREST WITH RESPECT TO THE COMPENSATION ARRANGEMENT (2) THE BOARD OF DIRECTORS AUTHORIZING EXECUTIVE COMPENSATION OBTAINS AND RELIES ON APPROPRIATE DATA AS TO COMPARABILITY PRIOR TO MAKING DETERMINATIONS, AND (3) THE BOARD OF DIRECTORS ADEQUATELY DOCUMENTS THE BASIS FOR DETERMINATIONS CONCURRENTLY WITH MAKING THE DETERMINATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b Process to establish compensation of other employees</FormAndLineReferenceDesc>
        <ExplanationTxt>TO DETERMINE THE COMPENSATION OF NYISO'S OFFICERS, NYISO, THROUGH COLLABORATION WITH OTHER INDEPENDENT SYSTEM OPERATORS AND REGIONAL TRANSMISSION ORGANIZATIONS, PERIODICALLY ENGAGES AN INDEPENDENT EXECUTIVE COMPENSATION FIRM TO PERFORM A BENCHMARK COMPENSATION ASSESSMENT TO AID NYISO'S BOARD OF DIRECTORS IN THEIR REVIEW OF OFFICER'S COMPENSATION. SUCH BENCHMARKING ASSESSMENT WAS LAST COMPLETED IN 2016. IN ADDITION, THE FORM 990 OF OTHER RELEVANT ORGANIZATIONS (INCLUDING OTHER INDEPENDENT SYSTEM OPERATORS AND REGIONAL TRANSMISSION ORGANIZATIONS ) ARE REVIEWED. THE PRESIDENT AND CHIEF EXECUTIVE OFFICER PROVIDES THE RESULTS OF THIS ASSESSMENT AND HIS RECOMMENDATIONS TO THE COMMERCE AND COMPENSATION COMMITTEE OF NYISO'S BOARD OF DIRECTORS FOR REVIEW ANNUALLY. THE COMMERCE AND COMPENSATION COMMITTEE WILL MAKE RECOMMENDATIONS REGARDING THE OFFICERS COMPENSATION TO THE BOARD OF DIRECTORS, AND THE BOARD OF DIRECTORS WILL AUTHORIZE THE OFFICERS COMPENSATION ANNUALLY. THIS REVIEW IS PERFORMED ANNUALLY AND INCLUDES CONTEMPORANEOUS DOCUMENTATION OF DELIBERATIONS AND DECISIONS REGARDING THE COMPENSATION ARRANGEMENTS. SIMILARLY, KEY EMPLOYEE POSITIONS ARE PERIODICALLY BENCHMARKED BY INDEPENDENT COMPENSATION FIRMS AND/OR AGAINST SIMILAR POSITIONS IN OTHER ORGANIZATIONS AND INDUSTRIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
        <ExplanationTxt>NYISO'S GOVERNING DOCUMENTS AND CONFLICT OF INTEREST POLICY ARE PART OF ITS FEDERALLY-APPROVED TARIFFS. THESE DOCUMENTS ARE ON FILE AT FERC AND ARE PUBLISHED ON NYISO'S WEBSITE. NYISO'S FINANCIAL STATEMENTS ARE INCLUDED IN AN ANNUALREPORT, PUBLISHED ON NYISO'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VIII, Line 2f Other Program Service Revenue</FormAndLineReferenceDesc>
        <ExplanationTxt>WIND FORCASTING SUBSCRIPTION - Total Revenue: 270679, Related or Exempt Function Revenue: 270679, Unrelated Business Revenue: , Revenue Excluded from Tax Under Sections 512, 513, or 514: ; FERC CCG REVENUE - Total Revenue: 139738, Related or Exempt Function Revenue: 139738, Unrelated Business Revenue: , Revenue Excluded from Tax Under Sections 512, 513, or 514: ;</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>NEW YORK INDEPENDENTSYSTEM OPERATOR HEALTH AND WELFARE BENEFIT TRUST</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>10 KREY BLVD</AddressLine1Txt>
          <CityNm>RENSSELAER</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12144</ZIPCd>
        </USAddress>
        <EIN>271623493</EIN>
        <PrimaryActivitiesTxt>POSTRTRMT INS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(9</ExemptCodeSectionTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>true</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
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</Return>