Nonprofit · EIN 58-1382198
INSTITUTE OF NUCLEAR POWER OPERATIONS
Tax-exempt · ATLANTA, GA 30339
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $120,567,347 | $115,229,830 | $5,337,517 | $125,970,210 | $41,115,544 | $84,854,666 |
| December 31, 2024 | 990 | $118,419,590 | $113,139,578 | $5,280,012 | $124,318,164 | $45,431,998 | $78,886,166 |
| December 31, 2023 | 990 | $109,412,329 | $130,081,163 | -$20,668,834 | $109,168,804 | $43,548,296 | $65,620,508 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $114,351,484
- Membership dues
- $114,351,484
- Program service revenue
- $0
- Investment income
- $4,997,820
- Net rental income
- $25,870
- Net gain from sales of assets
- $434,317
- Other revenue
- $1,218,043
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $12,362,845
- Other salaries and wages
- $55,652,921
- Salaries, compensation and benefits (total)
- $83,965,278
- Professional fundraising fees
- $0
- Legal fees
- $1,693,126
- Accounting fees
- $180,477
- Occupancy
- $2,241,136
- Travel
- $6,001,455
- Depreciation
- $3,828,407
- Program services (functional)
- $84,589,904
- Management and general (functional)
- $30,639,926
Balance sheet and other
- Total assets, start of year
- $124,318,164
- Total assets, end of year
- $125,970,210
- Total liabilities, end of year
- $41,115,544
- Net assets, end of year
- $84,854,666
- Land, buildings and equipment
- $16,849,439
- Publicly traded securities
- $76,356,077
- Net assets without donor restrictions
- $83,012,713
- Net assets with donor restrictions
- $1,841,953
- Gross receipts
- $120,715,097
- Employees
- 382
- Volunteers
- 0
- Year formed
- 1979
- State of legal domicile
- DE
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| RF Willard | President/CEO Trustee or director, Officer | 40 | $2,783,867 | $3,243,060 |
| JJ Place | Exec Vice President Officer | 40 | $885,367 | $898,421 |
| EMBrattin | Exec. Vice President Officer | 40 | $812,188 | $820,114 |
| PK Russell | Sr. Vice President Officer | 40 | $934,820 | $525,211 |
| RA Gambrill | Vice President Officer | 40 | $863,090 | $437,335 |
| KK Straw | CFO/Sr.Vice President Officer | 40 | $599,477 | $540,578 |
| AL Donges | Sr. Vice President Officer | 40 | $511,110 | $489,750 |
| TS Love | Vice President Officer | 40 | $459,527 | $389,717 |
| SR Meeks | Vice President Officer | 40 | $461,473 | $386,009 |
| SW Meng | Vice President Officer | 40 | $454,630 | $392,368 |
| RPaley | Reverse Loan Employee Highest-paid employee | 40 | $614,662 | $177,344 |
| R Martinez | Vice President Officer | 40 | $413,468 | $360,155 |
| GF Ruppert | Reverse Loan Employee Highest-paid employee | 40 | $646,686 | $125,632 |
| OL Aragon | Reverse Loan Employee Highest-paid employee | 40 | $581,200 | $103,979 |
| PJ McNulty | Reverse Loan Employee Highest-paid employee | 40 | $515,731 | $155,996 |
15 more people on this return
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| TJ Krienke | Reverse Loan Employee Highest-paid employee | 40 | $504,963 | $102,408 |
| PD Magnuson | Corp. Secretary Officer | 40 | $320,586 | $171,344 |
| PK Poppe | Board Member Trustee or director | 0.25 | $0 | $0 |
| RM Blue | Chairman Trustee or director | 0.25 | $0 | $0 |
| CC Womack | Board Member Trustee or director | 0.25 | $0 | $0 |
| RC Frenzel | Board Member Trustee or director | 0.25 | $0 | $0 |
| JA Burke | Board Member Trustee or director | 0.25 | $0 | $0 |
| CO Reasoner III | Board Member Trustee or director | 0.25 | $0 | $0 |
| JW Ketchum | Board Member Trustee or director | 0.25 | $0 | $0 |
| J Dominguez | Vice Chairman Trustee or director | 0.25 | $0 | $0 |
| HK Sideris | Board Member Trustee or director | 0.25 | $0 | $0 |
| G Norcia | Board Member Trustee or director | 0.25 | $0 | $0 |
| DA Moul | Board Member Trustee or director | 0.25 | $0 | $0 |
| MJ Lyons Jr | Board Member Trustee or director | 0.25 | $0 | $0 |
| AMarsh | Board Member Trustee or director | 0.25 | $0 | $0 |
990 for the year ended December 31, 2024: 33 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| RF WILLARD | PRESIDENT/CEO Trustee or director, Officer | 40 | $7,564,547 | $3,159,180 |
| JJ PLACE | EXEC VICE PRESIDENT Officer | 40 | $1,409,736 | $872,999 |
| EM BRATTIN | EXEC VICE PRESIDENT Officer | 40 | $1,262,315 | $795,420 |
| KK STRAW | CFO/SR. VICE PRESIDENT Officer | 40 | $897,063 | $525,816 |
| PK RUSSELL | SR. VICE PRESIDENT Officer | 40 | $868,085 | $516,796 |
| RA GAMBRILL | VICE PRESIDENT Officer | 40 | $802,763 | $438,272 |
| AL DONGES | SR. VICE PRESIDENT Officer | 40 | $665,272 | $438,161 |
| TS LOVE | VICE PRESIDENT Officer | 40 | $664,488 | $378,389 |
| SR MEEKS | VICE PRESIDENT Officer | 40 | $643,991 | $375,452 |
| SW MENG | VICE PRESIDENT Officer | 40 | $460,577 | $390,295 |
| RL GAMBONE | FORMER SR. VICE PRESIDENT Former | 40 | $715,545 | $105,244 |
| GF RUPPERT | REVERSE LOAN EMPLOYEE Highest-paid employee | 40 | $667,267 | $124,206 |
| R MARTINEZ | VICE PRESIDENT Officer | 40 | $437,117 | $353,513 |
| OL ARAGON | REVERSE LOAN EMPLOYEE Highest-paid employee | 40 | $639,858 | $97,609 |
| R PALEY | REVERSE LOAN EMPLOYEE Highest-paid employee | 40 | $420,933 | $165,830 |
| EJ RUFF | DIRECTOR/CORPORATE & FULL MONITORING Highest-paid employee | 40 | $396,354 | $151,133 |
| MK FOWLER | REVERSE LOAN EMPLOYEE Highest-paid employee | 40 | $359,990 | $48,879 |
| CM WEAVER | CORPORATE SECRETARY Officer | 40 | $170,063 | $78,703 |
| CS GODDARD | FORMER EXEC VICE PRESIDENT Former | 40 | $112,246 | $0 |
| D JACOBS | FORMER VICE PRESIDENT Former | 40 | $103,487 | $0 |
| LJ GOOD | BOARD MEMBER Trustee or director | 0.25 | $0 | $0 |
| CC WOMACK | BOARD MEMBER Trustee or director | 0.25 | $0 | $0 |
| PK POPPE | BOARD MEMBER Trustee or director | 0.25 | $0 | $0 |
| JJ LYASH | BOARD MEMBER Trustee or director | 0.25 | $0 | $0 |
| JA BURKE | BOARD MEMBER Trustee or director | 0.25 | $0 | $0 |
| RM BLUE | CHAIRMAN Trustee or director | 0.25 | $0 | $0 |
| CO REASONER III | BOARD MEMBER Trustee or director | 0.25 | $0 | $0 |
| JW KETCHUM | BOARD MEMBER Trustee or director | 0.25 | $0 | $0 |
| J DOMINGUEZ | VICE CHAIRMAN Trustee or director | 0.25 | $0 | $0 |
| GT POWELL | BOARD MEMBER Trustee or director | 0.25 | $0 | $0 |
| G NORCIA | BOARD MEMBER Trustee or director | 0.25 | $0 | $0 |
| MJ LYONS | BOARD MEMBER Trustee or director | 0.25 | $0 | $0 |
| A MARSH | BOARD MEMBER Trustee or director | 0.25 | $0 | $0 |
990 for the year ended December 31, 2023: 32 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| RF Willard | President/CEO Trustee or director, Officer | 40 | $2,513,523 | $2,876,834 |
| JJ Place | Exec Vice President Officer | 40 | $1,356,804 | $778,132 |
| EMBrattin | Exec. Vice President Officer | 40 | $1,247,964 | $735,773 |
| KK Straw | CFO/ Sr. Vice President Officer | 40 | $884,851 | $502,167 |
| RL Gambone | Sr.Vice President Officer | 40 | $724,416 | $477,151 |
| PK Russell | Sr. Vice President Officer | 40 | $540,313 | $496,934 |
| TS Love | Vice President Officer | 40 | $632,482 | $356,539 |
| AL Donges | Vice President Officer | 40 | $623,056 | $348,231 |
| SR Meeks | Vice President Officer | 40 | $613,035 | $348,006 |
| RA Gambrill | Vice President Officer | 40 | $520,207 | $414,491 |
| SW Meng | Vice President Officer | 40 | $572,372 | $262,945 |
| Ramon Martinez | Vice President Officer | 40 | $356,496 | $258,384 |
| GF Ruppert | Reverse Loan Employee Highest-paid employee | 40 | $494,777 | $119,921 |
| RPaley | Reverse Loan Employee Highest-paid employee | 40 | $399,710 | $163,926 |
| KKDavison | Director\, Plant Operation Highest-paid employee | 40 | $363,381 | $158,190 |
| EJ Ruff | Director\, Corporate & Full Monitoring Highest-paid employee | 40 | $376,603 | $142,820 |
| S Grubel | Director\ Talent Highest-paid employee | 40 | $421,339 | $41,994 |
| D Jacobs | Vice President Officer | 40 | $389,305 | $58,892 |
| Claire M Weaver | Corporate Secretary Officer | 40 | $136,773 | $76,374 |
| LJ Good | Board Member Trustee or director | 0.25 | $0 | $0 |
| NK Akins | Board Member Trustee or director | 0.25 | $0 | $0 |
| PK Poppe | Board Member Trustee or director | 0.25 | $0 | $0 |
| JJ Lyash | Vice Chairman Trustee or director | 0.25 | $0 | $0 |
| TA Fanning | Chairman Trustee or director | 0.25 | $0 | $0 |
| RM Blue | Board Member Trustee or director | 0.25 | $0 | $0 |
| LP Denault | Board Member Trustee or director | 0.25 | $0 | $0 |
| JW Ketchum | Board Member Trustee or director | 0.25 | $0 | $0 |
| J Dominguez | Board Member Trustee or director | 0.25 | $0 | $0 |
| GTPowell | Board Member Trustee or director | 0.25 | $0 | $0 |
| MJ Lyons Jr | Board Member Trustee or director | 0.25 | $0 | $0 |
| G Norcia | Board Member Trustee or director | 0.25 | $0 | $0 |
| A Marsh | Board Member Trustee or director | 0.25 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 700 GALLERIA PKWY SE, ATLANTA, GA 30339-5943
- In care of
- % KIEREN TUCK
- Principal officer (990 for 2025)
- Kris K Straw, 700 GALLERIA PARKWAY SE, ATLANTA, GA 30339
- Signed the 990
- Kris K Straw, Senior Vice President/CFO
- Phone
- (770) 644-8599
- Website
- www.inpo.info
- Return prepared by
- INPO
Mission
To promote the highest levels of safety and reliability - to promote excellence - in the operation of commercial nuclear power plants.
Program accomplishments
- INPO conducts periodic evaluations to promote the highest levels of safety and reliability in the operation, maintenance, and support of nuclear power plants. All evaluations are as performance-oriented as practicable and are based on performance objectives and criteria developed by INPO, with industry review. INPO reviews and analyzes operating experience and events from both U.S. and non-U.S. nuclear plants. The program is designed to provide in-depth analysis of nuclear operating experience and to apply the lessons learned across the industry.Expenses $77,668,338
- INPO conducts and supports, workshops, meetings, training courses, and other programs and produces documents designed to improve performance of nuclear plants personnel and equipment and apply the lessons learned accross the industry.Expenses $5,678,647
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 58-1382198
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1981
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Public and societal benefit (W80)
- Assets (IRS master file)
- $125,970,210
- Income (IRS master file)
- $452,795,442
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $120,567,347 | $115,229,830 | $125,970,210 | XML |
| 990 | December 2024 | $118,419,590 | $113,139,578 | $124,318,164 | IRS |
| 990 | December 2023 | $109,412,329 | $130,081,163 | $109,168,804 | XML |
| 990 | December 2022 | $103,717,427 | $115,231,521 | $117,383,167 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 58-1382198).
Questions about INSTITUTE OF NUCLEAR POWER OPERATIONS
- What is the EIN of INSTITUTE OF NUCLEAR POWER OPERATIONS?
- The employer identification number (EIN) of INSTITUTE OF NUCLEAR POWER OPERATIONS is 58-1382198.
- Is INSTITUTE OF NUCLEAR POWER OPERATIONS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1981.
- Are donations to INSTITUTE OF NUCLEAR POWER OPERATIONS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INSTITUTE OF NUCLEAR POWER OPERATIONS file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of INSTITUTE OF NUCLEAR POWER OPERATIONS due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did INSTITUTE OF NUCLEAR POWER OPERATIONS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of INSTITUTE OF NUCLEAR POWER OPERATIONS?
- The 990 for the year ended December 31, 2025 names Kris K Straw.
- Who are the officers and directors of INSTITUTE OF NUCLEAR POWER OPERATIONS?
- The 990 for the year ended December 31, 2025 lists 30 people; 17 received compensation from the organization, the highest $2,783,867 (RF Willard, President/CEO).
- How much revenue does INSTITUTE OF NUCLEAR POWER OPERATIONS have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $120,567,347, expenses of $115,229,830 and total assets of $125,970,210 at year end.
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