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        <NamePerson>JONG-SHIN KIM</NamePerson>
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        <NamePerson>GALE E KLAPPA</NamePerson>
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        <NamePerson>JAMES H LASH</NamePerson>
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        <NamePerson>CONSTANCE H LAU</NamePerson>
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        <NamePerson>STEPHEN J LENNON</NamePerson>
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        <NamePerson>JEFFREY J LYASH</NamePerson>
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        <NamePerson>TOM MITCHELL</NamePerson>
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        <NamePerson>DENIS P O'BRIEN</NamePerson>
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        <NamePerson>GIL C QUINIONES</NamePerson>
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        <NamePerson>MARK T SAVOFF</NamePerson>
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        <NamePerson>MICHAEL W HOWARD</NamePerson>
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      <GrantsToDomesticOrgs>
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      <GrantsToDomesticIndividuals>
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        <ProgramServices>25400</ProgramServices>
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      <ForeignGrants>
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      <BenefitsToMembers>
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      <CompCurrentOfficersDirectors>
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      <OtherSalariesAndWages>
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      <OtherExpenses>
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      <OtherExpenses>
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      <OtherExpenses>
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      <AllOtherExpenses>
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      <TotalFunctionalExpenses>
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      <FollowSFAS117>X</FollowSFAS117>
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      <ReconciliationUnrealizedInvest>87049</ReconciliationUnrealizedInvest>
      <InfoInScheduleOPartXII>X</InfoInScheduleOPartXII>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>false</AccountantCompileOrReview>
      <FSAudited>true</FSAudited>
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      <AuditCommittee>true</AuditCommittee>
      <FederalGrantAuditRequired>true</FederalGrantAuditRequired>
      <FederalGrantAuditPerformed>true</FederalGrantAuditPerformed>
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        <CurrentTaxYear>385406900</CurrentTaxYear>
        <Total>1813183363</Total>
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      <PublicSupportPercentage509>0.64765</PublicSupportPercentage509>
      <PriorYearSupportPercentage>0.63570</PriorYearSupportPercentage>
      <InvestmentIncomePercentage>0.02646</InvestmentIncomePercentage>
      <PriorYrInvestIncomePercentage>0.03160</PriorYrInvestIncomePercentage>
      <ThirtyThreePercntTestsCY509>X</ThirtyThreePercntTestsCY509>
      <GeneralExplanation>LINE 2: BEGINNING WITH THE REDESIGNED FORM 2008 FORM 990, EPRI IS REPORTING ITS MEMBERSHIP DUES AS GROSS RECEIPTS. THESE PAYMENTS ARE MADE IN CONNNECTION WITH THE PERFORMANCE OF TAX EXEMPT SCIENTIFIC RESEARCH IN THE PUBLIC INTEREST, WHICH BY DEFINITION ALSO INCIDENTALLY BENEFITS EPRI MEMBERS WHO MAY IN CERTAIN CIRCUMSTANCES HAVE A DIRECT AND IMMEDIATE BENEFIT FROM SUCH RESEARCH. THE RESEARCH RESULTS MAY ALSO IN CERTAIN CIRCUMSTANCES HAVE A MORE DIRECT BENEFIT TO THE EPRI MEMBERS THAN TO THE GENERAL PUBLIC CONTEMPLATED WITHIN TREASURY REGULATION SECTION 1.509(A)-3(G)(2). LINE 12: OTHER INCOME INCLUDES INCOME FROM PREVIOUSLY PUBLISHED SCIENTIFIC RESEARCH REPORTS AND SOFTWARE AVAILABLE FOR SALE TO THE GENERAL PUBLIC AND INCOME FROM RELATED SCIENTIFIC RESEARCH ACTIVITIES CONDUCTED BY EPRI IN THE PUBLIC INTEREST.</GeneralExplanation>
    </IRS990ScheduleA>
    <IRS990ScheduleC documentId="IRS990ScheduleC">
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        <Total>80090</Total>
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        <CurrentYear>250000</CurrentYear>
        <Total>1000000</Total>
      </GrassrootsNontaxableAmount2>
      <GrassrootsCeilingAmount>1500000</GrassrootsCeilingAmount>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="IRS990ScheduleD">
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      <HeldWorksOfArtAmts />
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      <CurrentYearMinus4Years />
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        <BookValue>2293299</BookValue>
      </Land>
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      <Equipment>
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      <TotalOfBookValueLandBuildings>58944047</TotalOfBookValueLandBuildings>
      <FinancialDerivatives />
      <CloselyHeldEquityInterests />
      <OtherSecurities>
        <Description>LONG TERM INVESTMENTS</Description>
        <BookValue>102813816</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>INVESTMENT IN SUBSIDIARIES</Description>
        <BookValue>1769410</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>INVESTMENT IN OTHER COMPANIES</Description>
        <BookValue>5649</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
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      <TotalOfBookValueSecurities>104588875</TotalOfBookValueSecurities>
      <FederalIncomeTaxLiability>0</FederalIncomeTaxLiability>
      <OtherLiabilities>
        <Description>ACCRUED POST RETIREMENT BENEFITS</Description>
        <Amount>14236763</Amount>
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      <OtherLiabilities>
        <Description>DEPOSIT ACCOUNTS</Description>
        <Amount>5123555</Amount>
      </OtherLiabilities>
      <OtherLiabilities>
        <Description>RETENTION PAYABLE - LONG TERM</Description>
        <Amount>81</Amount>
      </OtherLiabilities>
      <TotalOfAmounts>19360399</TotalOfAmounts>
      <Form990ScheduleDPartXIII>
        <Identifier>Schedule D, Part X, Line 2:</Identifier>
        <Explanation>EPRI adopted FIN48 (codified as ASC740) in 2009. The adoption in 2009 did not have a material impact on the EPRI financial statements. There was no change in 2011 or 2012. As a result, the financial statements do not have a FIN48 liability recorded and a footnote for FIN48 was not required.</Explanation>
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      <Form990ScheduleJPartIII>
        <Identifier>Questions Regarding Compensation</Identifier>
        <Explanation>Schedule J, Line 1a: First Class Travel: EPRI's CEO and senior vice presidents are required to travel frequently and often for extended periods away from home. To lessen the burden and increase productivity first class travel is allowed and pre-approved for EPRI's CEO and senior vice presidents during periods when the individual is subjected to a heavy travel schedule and extended flight duration. Travel for Companions: EPRI recognizes exceptional employee achievement through an annual award program. EPRI officers and award winners may be reimbursed for companion travel for one guest to attend the annual award ceremony. The travel reimbursement is reported on the employees' Form W-2 as taxable income as required and reported on Schedule J, Part II, Column B, Part iii. Gross-Up Payments: EPRI provides a gross up related to the taxes payable on the additional taxable income reported for the reimbursement of companion travel to attend the annual award ceremony. The following former officers received payments for reimbursement of companion travel in 2012. David J Modeen $445 Rosa L Yang $456 The following individual received gross up payments for financial planning services in 2012. Dennis J Murphy $6,138 Personal Services: EPRI makes available to its key officers a financial planning benefit through an outside vendor, which each officer may determine to accept or decline. Officers selecting the service may also use the planner for tax preparation advice. The benefit is treated as taxable income to the officer. The following officers accepted a voluntary financial planning benefit offered by EPRI, which in 2012 resulted in taxable income to the officers: Michael W Howard $13,346 Henry A Courtright $13,346 Christian B Larsen $7,297 Arshad Mansoor $13,346 Charles T Alley Jr $12,808 Salvador A Casente Jr $12,808 Robert N Chapman $12,808 Bryan J Hannegan $13,346 Pamela J Keefe $8,476 Carolyn R Shockley $13,346 Dennis J Murphy $7,297 Line 4a: The following individuals received severance, which is reported on their Form W-2 as taxable income as required and reported on Schedule J, Part II, Column B, Part iii. Norma G Formanek $238,970 Dennis J Murphy $190,094 Line 4a: The Institute has established severance plans for its regular employees, including officers. Employees have no pre-existing vested or accrued rights to a severance benefit under these plans, and the plans may be changed at the discretion of the Institute. Severance benefits in each plan are contingent upon qualifying employee terminations and other conditions as required in the particular plan. Generally under the plans the amount of any severance benefit provided is dependent upon the position held by the employee and length of service up to forty two weeks of salary and two months of health benefit continuation in the officer plan. In connection with the long term incentive program, officers as determined by the board or a board committee may be entitiled to a payment upon qualifying employment terminations, as required in the program. Line 4b: EPRI provides a retirement contribution for its employees based on their compensation. This retirement contribution is usually in the form of an employer contribution to its retirement plans. However, if the calculated retirement contribution exceeds the retirement plan employer contribution limit for the year, the amount of the retirement contribution in excess of the limit is reported on the employees' Form W-2 as taxable income as required and reported on Schedule J, Part II, Column B, Part iii as follows: Michael W Howard $66,477 Henry A Courtright $16,857 Christian B Larsen $15,075 Arshad Mansoor $12,735 Bryan J Hannegan $1,732 Carolyn R Shockley $4,723 Neil M Wilmshurst $4,910 Line 7: Officers, as well as employees, are eligible for incentive awards based on EPRI's results against Corporate Goals and each individual's performance and contribution toward achieving those goals. Incentive awards are strongly tied to both corporate and individual performance. Incentive awards are determined based as a percentage of base salary and are considered in the determination by EPRI of a total reasonable compensation package. The EPRI Board approves incentive payments for all officers. SCHEDULE J, PART II: Officers, Directors, Trustees, Key Employees, and Highest Comp. Employees As required by the Form 990 instructions Column B(ii) includes the prior year at-risk incentive accrued benefit actually paid in 2012. This amount is also reported in Column F as this benefit was also reported on the prior year Form 990 as an accrued benefit in column c.</Explanation>
      </Form990ScheduleJPartIII>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="IRS990ScheduleL">
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>MARK T SAVOFF</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>37448</AmountOfTransaction>
        <DescriptionOfTransaction>SON EMPLOYED BY EPRI</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>C THOMAS ALLEY JR</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>OFFICER</Relationship>
        <AmountOfTransaction>17258</AmountOfTransaction>
        <DescriptionOfTransaction>DAUGHTER EMPLOYED BY EPRI</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>SEE SCH L PART V FOR FURTHER DETAIL</NamePerson>
        </NameOfInterestedPerson>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>INFORMATION ON THE TRANSACTIONS BEL</NamePerson>
        </NameOfInterestedPerson>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>THE FOLLOWING ARE PAYMENTS TO EPRI</NamePerson>
        </NameOfInterestedPerson>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>AMERICAN ELECTRIC POWER</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>44000</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>BONNEVILLE POWER ADMINISTRATION</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>24860</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>DTE ENERGY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>18950</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>DUKE ENERGY CORPORATION</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>56000</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>ELECTRICITE DE FRANCE</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>185499</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>ENTERGY CORPORATION</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>160190</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>ESKOM</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>205000</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>FIRSTENERGY CORPORATION</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>48000</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>KOREA ELECTRIC POWER COMPANY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>395730</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>NORTHEAST UTILITIES</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>11833</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>PGE</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>600000</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>SALT RIVER PROJECT</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>100227</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>SOUTHERN COMPANY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>254034</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>TENNESSEE VALLEY AUTHORITY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>151230</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>TOKYO ELECTRIC POWER COMPANY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>250000</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>XCEL ENERGY INC</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>90500</AmountOfTransaction>
        <DescriptionOfTransaction>FUNDING FOR SERVICES</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>SEE SCHEDULE L PART V FOR FURTHER</NamePerson>
        </NameOfInterestedPerson>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>DETAILED INFORMATION ON THE</NamePerson>
        </NameOfInterestedPerson>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>TRANSACTIONS BELOW THE FOLLOWING</NamePerson>
        </NameOfInterestedPerson>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>ARE PAYMENTS BY EPRI</NamePerson>
        </NameOfInterestedPerson>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>AMERICAN ELECTRIC POWER</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>466235</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>BONNEVILLE POWER ADMINISTRATION</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>125000</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>CARNEGIE MELLON UNIVERSITY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>387573</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>DTE ENERGY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>105617</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>DUKE ENERGY CORPORATION</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Board Director</Relationship>
        <AmountOfTransaction>351147</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>ELECTRICITE DE FRANCE</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Board Director</Relationship>
        <AmountOfTransaction>4875886</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>FIRSTENERGY CORPORATION</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Board Director</Relationship>
        <AmountOfTransaction>249026</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>HAWAIIAN ELECTRIC INDUSTRIES INC</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Board Director</Relationship>
        <AmountOfTransaction>924575</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>KOREAN ELECTRIC POWER COMPANY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Board Director</Relationship>
        <AmountOfTransaction>307246</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>MASSACHUSETTS INST OF TECHNOLOGY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Board Director</Relationship>
        <AmountOfTransaction>762620</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>NORTHEAST UTILITIES</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Board Director</Relationship>
        <AmountOfTransaction>129616</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>PGE CORPORATION</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Board Director</Relationship>
        <AmountOfTransaction>54882</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>SOUTHERN COMPANY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Board Director</Relationship>
        <AmountOfTransaction>4866132</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>TENNESSEE VALLEY AUTHORITY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>628979</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>THE ROCKEFELLER UNIVERSITY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>628979</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>TOKYO ELECTRIC POWER COMPANY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>26767</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>XCEL ENERGY INC</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>BOARD DIRECTOR</Relationship>
        <AmountOfTransaction>15135</AmountOfTransaction>
        <DescriptionOfTransaction>PYMNT FOR PUBLIC INTEREST R&amp;D</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartV>
        <Identifier>Business Transactions Involving Interested Persons</Identifier>
        <ReturnReference>Schedule L, Part IV</ReturnReference>
        <Explanation>EPRI received payment from the organizations listed in Schedule L, Part IV to conduct services work associated with unrelated business activities. An individual that served as a current or former officer, director, trustee or key employee listed in EPRI's Form 990, Part VII, Section A may have served in a similar position for the listed organizations. All of the listed transactions were on an arms-length basis. EPRI made payment to the organizations listed in Schedule L, Part IV to conduct public interest and supplemental research. An individual that served as a current or former officer, director, trustee or key employee listed in EPRI's Form 990, Part VII, Section A may have served in a similar position for the listed organizations. All of the listed transactions were on an arms-length basis.</Explanation>
      </Form990ScheduleLPartV>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <GeneralExplanation>
        <Identifier>Organization's Mission and Most Important Activities</Identifier>
        <ReturnReference>Form 990, Part I, Line 1 and Part III, Line 1</ReturnReference>
        <Explanation>EPRI conducts research and development relating to generation, delivery and use of electricity for the benefit of the public. An independent, nonprofit organization, EPRI brings together its scientists and engineers as well as experts from academia and industry to help address challenges in electricity, including reliability, efficiency, health, safety and the environment. EPRI also provides technology, policy and economic analyses to drive long-range research and development planning, and supports research in emerging technologies. EPRI's principal offices and laboratories are located in Palo Alto, CA; Charlotte, NC; Knoxville, TN; and Lenox, MA. Program Service Activity Form 990, Part III, Line 4a: EPRI's mission is to conduct research &amp; development through science and technology with a view of providing benefits to its member's customers and the U.S. public. To accomplish this objective, EPRI develops and manages research and development programs for improving energy generation, delivery and usage. Program service expenses are direct charges to the research programs. Certain indirect expenses are included in the management and general expense category, as EPRI does not separate these expenses for financial accounting purposes. Governance, Management, and Disclosure Form 990, Part VI Line 4: The material changes in the Bylaws were to: 1) Allow for the annual meeting of the members to be held via internet or other electronic means. 2) Provide that any action that may be taken at any annual, regular, or special meeting of members may be taken without a meeting if the Institute delivers a ballot to every member entitled to vote on the matter. 3) Give the Executive Committee of the Board power to resolve any challenge to the validity of a corporate action brought by a member, delegate, director, member of a designated body, or officer of the Institute which is or may be affected the corporate action. 4) Eliminate limits on the number of directors allowed to sit on the Audit Committee, Compensation and Leadership Development Committee, Governance and Nominating Committee. 5) Consent that the Superior Court may dissolve the Institute, place it in receivership, impose a constructive trust on compensation paid to a director, officer, or manager, or grant other injunctive or equitable relief with respect to the Institute in a proceeding by members holding at least twenty percent (20%) of the voting power, or by a director, if it is established that there is a situation as described in D.C. Code 29-412.20(a)(2). Line 6: EPRI has three classes of members, namely: (a) Class I (1) Any person, firm, agency or corporation owned by the federal government, or by an agency, authority or instrumentality of the federal government, which is engaged to a substantial degree in the production, transmission or distribution of electric power for public use within the United States; (2) Any cooperative association or cooperative corporation which is engaged to a substantial degree in the production, transmission or distribution of electric power for public use within the United States; (3) Any nonfederal governmental or other public agency, authority or instrumentality, or any non-profit corporation, association or other non-profit organization operating pursuant to governmental oversight or regulation, which is engaged to a substantial degree in the production, transmission or distribution of electric power for public use within the United States; (4) Any corporation, association or other organization operating pursuant to governmental oversight or regulation, which is engaged to a substantial degree in operating, maintaining or assuring reliability of systems for the transmission of electric power for public uses within the United States and Canada; or (5) Any governmental or other public agency, authority or instrumentality within the United States which is engaged to a substantial degree in directly funding research and development related to the production, transmission, distribution, sale, and utilization of electric power, including but not limited to, energy efficiency, renewables, and environmental research. (b) Class II (1) Any investor-owned person, firm or corporation which is engaged to a substantial degree in the production, transmission or distribution of electric power for public use within the United States, or any person controlling such person, firm, corporation or other entity; (2) Any person, firm, corporation, or other entity which is engaged to a substantial degree within the United States in the production or sale of electric power and which is not regulated as a public utility, or any person controlling such person, firm or corporation. (c) Class III Any non-United States government agency or person, firm, corporation or other entity regulated as a utility, which is engaged to a substantial degree in the production, sale, transmission or distribution of electric power for public use outside the United States. Line 7a: In 2012, the members of EPRI's Board of Directors were elected and appointed as follows: Class I members may elect seven members of the Board. The Tennessee Valley Authority and the Bonneville Power Administrator may each appoint one member of the Board. Class II members may elect fifteen members of the Board. Class III members may elect five members of the Board. The EPRI Governance and Nominating Committee may appoint six members of the Board. Line 7b: Members have the power to amend the articles of incorporation and may have other powers conferred by the Nonprofit Corporation Code of the District of Columbia. Line 11a: An external tax firm and EPRI staff work together to gather the required tax information necessary to complete the tax return. The tax firm prepares an initial draft return and reviews the initial draft return with the finance and legal management team; items are discussed and reviewed. Recommended changes are reflected in the return and a draft tax return is prepared. The draft tax return is presented to the Audit Committee for their review and a copy is provided through a secure link to the Board of Directors. The audit committee may question EPRI management and the external tax firm or ask for clarification on any item on the return. After the Committee has reviewed the tax return, the return is filed with the appropriate governing tax authorities. Line 12c: EPRI requires all employees to complete an annual statement disclosing any conflicts of interest and they have a requirement to update the disclosure on an ongoing basis. Line 15a and 15b: Officers' compensation decisions are determined by the Compensation and Leadership Development Committee of EPRI's Board of Directors, with the exception of determination of compensation levels for the CEO and new officers, which are usually determined by the Executive Committee of the Board of Directors. The Committees obtain and act in reliance upon appropriate comparability and benchmarking data for the officer positions from a nationally recognized independent source to support determinations of fair market value of officers' compensation for the services rendered. The Committees vote on officer compensation at their meetings and document the approval in the minutes. Line 16b: As defined by the Form 990 instructions, a joint venture or similar arrangement (or a "venture or arrangement") means any joint ownership or contractual arrangement through which there is an agreement to jointly undertake a specific business enterprise, investment, or exempt-purpose activity without regard to (1) whether the organization controls the venture or arrangement, (2) the legal structure of the venture or arrangement. EPRI performs services work and other unrelated business activities and reports that work as unrelated business income for appropriate tax treatment. Particular care is taken in structuring business arrangements such as commercialization transactions, strategic alliances, service centers, and other similar arrangements, including obtaining advice early in the process, in order to protect EPRI's tax-exempt status and minimize any liability. Line 19: EPRI makes its governing documents, conflict of interest policy, and audited financial statements for the past 3 years available to the public through its own website.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>Electricity Innovation Institute</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>3420 HIllview Avenue</AddressLine1>
          <City>Palo Alto</City>
          <State>CA</State>
          <ZIPCode>94304</ZIPCode>
        </AddressUS>
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        <PrimaryActivities>Dormant</PrimaryActivities>
        <LegalDomicileState>CA</LegalDomicileState>
        <ExemptCodeSection>501(c)(3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>EPRI Inc</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>true</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>EPRI Solutions Inc</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>942 Corridor Park</AddressLine1>
          <City>Knoxille</City>
          <State>TN</State>
          <ZIPCode>37932</ZIPCode>
        </AddressUS>
        <EIN>770449454</EIN>
        <PrimaryActivity>R&amp;D Applic</PrimaryActivity>
        <LegalDomicileState>DE</LegalDomicileState>
        <DirectControllingEntityName>
          <BusinessNameLine1>NA</BusinessNameLine1>
        </DirectControllingEntityName>
        <TypeOfEntity>C Corp</TypeOfEntity>
        <ShareOfTotalIncome>-16710</ShareOfTotalIncome>
        <ShareOfEOYAssets>1889845</ShareOfEOYAssets>
        <PercentageOwnership>1.00000</PercentageOwnership>
        <ControlledOrg>true</ControlledOrg>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>EPRI International Inc</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>3420 Hillview Avenue</AddressLine1>
          <City>Palo Alto</City>
          <State>CA</State>
          <ZIPCode>94304</ZIPCode>
        </AddressUS>
        <EIN>522357247</EIN>
        <PrimaryActivity>Intl Sales</PrimaryActivity>
        <LegalDomicileState>DE</LegalDomicileState>
        <DirectControllingEntityName>
          <BusinessNameLine1>NA</BusinessNameLine1>
        </DirectControllingEntityName>
        <TypeOfEntity>C Corp</TypeOfEntity>
        <ShareOfTotalIncome>66797</ShareOfTotalIncome>
        <ShareOfEOYAssets>-7084</ShareOfEOYAssets>
        <PercentageOwnership>1.00000</PercentageOwnership>
        <ControlledOrg>true</ControlledOrg>
      </Form990ScheduleRPartIV>
      <ReceiptOfIntAnnRentsRoyalties>false</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>false</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>false</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>false</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>false</LoansOrGuaranteesFromOtherOrg>
      <DividendsRelatedOrganization>false</DividendsRelatedOrganization>
      <SaleOfAssetsToOtherOrg>false</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>false</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>false</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>false</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>false</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>true</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>true</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>true</SharingOfFacilities>
      <SharingOfPaidEmployees>true</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>false</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>false</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>false</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>false</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>EPRI INTERNATIONAL INC</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>M</TransactionType>
        <AmountInvolved>3749348</AmountInvolved>
        <MethodOfAmtDetermination>ACTUAL EXPENSE</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>EPRI INTERNATIONAL INC</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>L</TransactionType>
        <AmountInvolved>106688</AmountInvolved>
        <MethodOfAmtDetermination>ACTUAL EXPENSE</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
    </IRS990ScheduleR>
  </ReturnData>
</Return>