funder-graph › Recipients
Who funds Efi Foundation
EIN 87-3398574 · Washington, DC · NTEE C05
Efi Foundation of Washington, DC (EIN 87-3398574) was named as a grant recipient by 12 funders in 21 grants paid totaling $6,684,073 in tax years 2022–2025, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$6,684,073
21 grants paid
Funders
12
distinct grantmakers
Tax years
2022–2025
as reported by funders
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Breakthrough Energy Foundation 85-3672460 | WA | A | 6 | $2,846,625 | 2024 |
| Clean Air Task Force Inc 04-3512550 | MA | A | 1 | $1,576,848 | 2024 |
| The William & Flora Hewlett Foundation 94-1655673 | CA | B | 1 | $550,000 | 2024 |
| Walton Family Foundation Inc 13-3441466 | AR | B | 2 | $500,000 | 2024 |
| Fidelity Investments Charitable Gift Fund 11-0303001 | MA | A | 2 | $350,000 | 2025 |
| The Cynthia & George Mitchell Foundation 74-2170127 | TX | B | 3 | $260,000 | 2024 |
| Multiplier 91-2166435 | CA | A | 1 | $250,000 | 2023 |
| The Chicago Community Trust 36-2167000 | IL | A | 1 | $125,000 | 2024 |
| Hess Foundation Inc 22-1713046 | NJ | B | 1 | $100,000 | 2024 |
| Greater Washington Community Foundation 23-7343119 | DC | A | 1 | $100,000 | 2024 |
| Bobolink Foundation 94-2988627 | IL | B | 1 | $25,000 | 2023 |
| John P & Kathryn G Evans Foundation 20-5919285 | WA | B | 1 | $600 | 2024 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Grants
The 21 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Fidelity Investments Charitable Gift Fund | Efi Foundation Washington, DC | A | $100,000 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2024 | Clean Air Task Force Inc | Efi Foundation Washington, DC | A | $1,576,848 | paid | NUCLEAR SCALING | 202522829349300322 |
| 2024 | The William & Flora Hewlett Foundation | Efi Foundation Washington, DC | B | $550,000 | paid | FOR GENERAL OPERATING SUPPORT | 202523189349102727 |
| 2024 | Walton Family Foundation Inc | Efi Foundation Washington, DC | B | $250,000 | paid | To support the EF3 program. | 202543219349103824 |
| 2024 | The Chicago Community Trust | Efi Foundation Washington, DC | A | $125,000 | paid | General support for programs, operations and other charitable purposes | 202512119349301861 |
| 2024 | Greater Washington Community Foundation | Efi Foundation Washington, DC | A | $100,000 | paid | General Support | 202520389349300807 |
| 2024 | The Cynthia & George Mitchell Foundation | Efi Foundation Washington, DC | B | $100,000 | paid | To support the transition to a low-carbon energy future | 202522839349100832 |
| 2024 | Breakthrough Energy Foundation | Efi Foundation Washington, DC | A | $100,000 | paid | POLICY IMPLEMENTATION | 202543219349316849 |
| 2024 | Hess Foundation Inc | Efi Foundation Washington, DC | B | $100,000 | paid | AN UNRESTRICTED GRANT TO FURTHER THE DONEE'S EXEMPT PURPOSE. | 202512889349101601 |
| 2024 | Breakthrough Energy Foundation | Efi Foundation Washington, DC | A | $47,092 | paid | POLICY DEVELOPMENT | 202543219349316849 |
| 2024 | John P & Kathryn G Evans Foundation | Efi Foundation Washington, DC | B | $600 | paid | Operating Fund | 202521649349100517 |
| 2023 | Breakthrough Energy Foundation | Efi Foundation Washington, DC | A | $500,000 | paid | POLICY DEVELOPMENT | 202413199349317296 |
| 2023 | Multiplier | Efi Foundation Washington, DC | A | $250,000 | paid | TRANSMISSION SOLUTIONS FOR A CLEAN ENERGY FUTURE | 202443099349301399 |
| 2023 | Fidelity Investments Charitable Gift Fund | Efi Foundation Washington, DC | A | $250,000 | paid | For grant recipient's exempt purposes | 202441369349301334 |
| 2023 | Walton Family Foundation Inc | Efi Foundation Washington, DC | B | $250,000 | paid | To support the EF3 program to analyze barriers to at-scale private investment in clean energy projects and generate recommendations on how to address these barriers | 202413199349102766 |
| 2023 | Breakthrough Energy Foundation | Efi Foundation Washington, DC | A | $207,333 | paid | POLICY IMPLEMENTATION | 202413199349317296 |
| 2023 | Bobolink Foundation | Efi Foundation Washington, DC | B | $25,000 | paid | Unrestricted Charitable Gift | 202423169349101642 |
| 2022 | Breakthrough Energy Foundation | Energy Futures Initiative Washington, DC | A | $1,492,200 | paid | CLEAN ENERGY INNOVATION REFORMS | 202303199349324325 |
| 2022 | Breakthrough Energy Foundation | Energy Futures Initiative Washington, DC | A | $500,000 | paid | HYDROGEN COMMUNITY ENGAGEMENT | 202303199349324325 |
| 2022 | The Cynthia & George Mitchell Foundation | Efi Foundation Washington, DC | B | $100,000 | paid | For the Global Future of Natural Gas in a Deeply Decarbonized World, Phase II | 202313119349101696 |
| 2022 | The Cynthia & George Mitchell Foundation | Efi Foundation Washington, DC | B | $60,000 | paid | For the Advanced Nuclear Financing Study | 202313119349101696 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.