Nonprofit · EIN 52-1395376
INSTITUTE FOR ENERGY & ENVIRONMENTAL RESEARCH
Tax-exempt · BETHESDA, MD 20817
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $94,497 | $112,191 | -$17,694 | $6,528 | – | $6,528 |
| December 31, 2024 | 990-EZ | $179,057 | $205,777 | -$26,720 | $24,222 | – | $24,222 |
| December 31, 2023 | 990 | $248,459 | $320,942 | -$72,483 | $50,942 | $0 | $50,942 |
| December 31, 2021 | 990-EZ | $74,817 | $204,669 | -$129,852 | $163,843 | – | $163,843 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $93,597
- Program service revenue
- $0
- Investment income
- $100
- Other revenue
- $800
Expenses
- Compensation of officers, directors and key employees
- $55,555
- Salaries, compensation and benefits (total)
- $72,751
- Professional fees and payments to contractors
- $25,702
- Printing, publications and postage
- $746
- Other expenses
- $12,992
- Program services (functional)
- $82,527
Balance sheet and other
- Total assets, start of year
- $24,222
- Total assets, end of year
- $6,528
- Total liabilities, end of year
- –
- Net assets, end of year
- $6,528
- Cash, savings and investments
- $6,528
- Gross receipts
- $94,497
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ARJUN MAKHIJANI | PRESIDENT AND DIRECTOR | 10 | $55,555 | $1,389 |
| CATHIE SULLIVAN | VICE PRESIDENT AND DIRECTOR | 0.5 | $0 | $0 |
| DAVID CLOSE | SECRETARY AND DIRECTOR | 0.5 | $0 | $0 |
| HISHAM ZERRIFFI | DIRECTOR | 0.5 | $0 | $0 |
| ANN BRISTOW | TREASURER AND DIRECTOR | 0.5 | $0 | $0 |
990-EZ for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ARJUN MAKHIJANI | PRESIDENT AND DIRECTOR | 22 | $132,987 | $3,325 |
| CATHIE SULLIVAN | VICE PRESIDENT AND DIRECTOR | 0.5 | $0 | $0 |
| DAVID CLOSE | SECRETARY/TREASURER AND DIRECTOR | 0.5 | $0 | $0 |
| HISHAM ZERRIFFI | DIRECTOR | 0.5 | $0 | $0 |
| ANN BRISTOW | DIRECTOR | 0.5 | $0 | $0 |
990 for the year ended December 31, 2023: 5 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ARJUN MAKHIJANI | PRESIDENT Trustee or director, Officer | 34 | $203,962 | $5,099 |
| CATHIE SULLIVAN | VICE PRESIDENT Trustee or director, Officer | 0.25 | $0 | $0 |
| DAVID CLOSE | SECRETARY/TREASURER Trustee or director, Officer | 0.25 | $0 | $0 |
| HISHAM ZERRIFFI | DIRECTOR Trustee or director | 0.25 | $0 | $0 |
| ANN BRISTOW | DIRECTOR Trustee or director | 0.25 | $0 | $0 |
990-EZ for the year ended December 31, 2021: 6 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ARJUN MAKHIJANI | PRESIDENT | 32 | $144,992 | $3,625 |
| CATHIE SULLIVAN | VICE PRESIDENT | 1 | $0 | $0 |
| DAVID CLOSE | SECRETARY/TREASURER | 1 | $0 | $0 |
| HISHAM ZERRIFFI | DIRECTOR | 1 | $0 | $0 |
| ANN BRISTOW | DIRECTOR | 1 | $0 | $0 |
| GINA ANGIOLA | DIRECTOR | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 6707 LORING CT, BETHESDA, MD 20817-3148
- Signed the 990-EZ
- ARJUN MAKHIJANI, PRESIDENT
- Phone
- (301) 509-6843
- Website
- www.ieer.org
- Return prepared by
- PATRICIA M HALE CPA
Mission
The organization was formed to provide the government and policy makers with sound scientific information. The organizations goal is to bring scientific excellence to public policy issues in order to promote the democratization of science and a safer, healthier environment.
Program accomplishments
- Nuclear: Completed and published a report on the legacy of US nuclear weapons testing inthe Marshall Islands. Researched and prepared a report on radioactive waste managementin France. Continued analysis of proposed tritium venting from Los Alamos National Lab.Expenses $77,144
- Renewable Energy: Researched a paper on the water requirements of nuclearpower plants; prepared and presented comments to the Colorado PUC on a proposedsmall modular reactor and pointed to renewable energy alternatives.Expenses $3,841
- Healthy Soils: Continued research on how healthy soils can bejoined to good farmer income and healthy, affordable food.Started drafting a report based on research.Expenses $1,542
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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 52-1395376
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1985
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $6,528
- Income (IRS master file)
- $94,497
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $94,497 | $112,191 | $6,528 | IRS |
| 990-EZ | December 2024 | $179,057 | $205,777 | $24,222 | XML |
| 990 | December 2023 | $248,459 | $320,942 | $50,942 | XML |
| 990 | December 2022 | $211,367 | $251,785 | $123,425 | IRS |
| 990-EZ | December 2021 | $74,817 | $204,669 | $163,843 | XML |
| 990 | December 2020 | – | – | – | 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 52-1395376).
Questions about INSTITUTE FOR ENERGY & ENVIRONMENTAL RESEARCH
- What is the EIN of INSTITUTE FOR ENERGY & ENVIRONMENTAL RESEARCH?
- The employer identification number (EIN) of INSTITUTE FOR ENERGY & ENVIRONMENTAL RESEARCH is 52-1395376.
- Is INSTITUTE FOR ENERGY & ENVIRONMENTAL RESEARCH tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1985.
- Are donations to INSTITUTE FOR ENERGY & ENVIRONMENTAL RESEARCH tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INSTITUTE FOR ENERGY & ENVIRONMENTAL RESEARCH 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 FOR ENERGY & ENVIRONMENTAL RESEARCH 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 FOR ENERGY & ENVIRONMENTAL RESEARCH last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of INSTITUTE FOR ENERGY & ENVIRONMENTAL RESEARCH?
- The 990-EZ for the year ended December 31, 2025 lists 5 people; 1 received compensation from the organization, the highest $55,555 (ARJUN MAKHIJANI, PRESIDENT AND DIRECTOR).
- How much revenue does INSTITUTE FOR ENERGY & ENVIRONMENTAL RESEARCH have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $94,497, expenses of $112,191 and total assets of $6,528 at year end.
Other nonprofits in BETHESDA
- IMPACTASSETS INC EIN 26-2048480 · last filed 990 for 2024
- HENRY M JACKSON FOUNDATION FOR THE ADVANCEMENT OF MILITARY MEDICINE EIN 52-1317896 · last filed 990 for 2025
- CYSTIC FIBROSIS FOUNDATION EIN 13-1930701 · last filed 990 for 2024
- CLARK CHARITABLE FOUNDATION INC EIN 52-1512330 · last filed 990-PF for 2024
- ASSOCIATION OF PUBLIC HEALTH LABORATORIES INC EIN 52-1800436 · last filed 990 for 2024
- GLOBAL COMMUNITIES INC EIN 52-0846183 · last filed 990 for 2025
- AMERICAN SOCIETY OF HEALTH-SYSTEM PHARMACISTS EIN 52-0807628 · last filed 990 for 2025
- LOCKHEED MARTIN CORPORATON BENEFIT TR FOR COLLECTIVELY BARGAINED EMPL EIN 13-3507980 · last filed 990 for 2024