funder-graph › Recipients
Who funds Energy Systems Integration Group Inc
EIN 54-1733337 · Reston, VA · NTEE C35
Energy Systems Integration Group Inc of Reston, VA (EIN 54-1733337) was named as a grant recipient by 6 funders in 10 grants paid totaling $5,706,000 in tax years 2020–2025, 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
$5,706,000
10 grants paid
Funders
6
distinct grantmakers
Tax years
2020–2025
as reported by funders
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Sequoia Climate Foundation 85-4095972 | CA | B | 3 | $3,450,000 | 2024 |
| Wellspring Philanthropic Fund Inc 22-3692921 | NY | B | 1 | $1,000,000 | 2020 |
| Multiplier 91-2166435 | CA | A | 2 | $825,000 | 2023 |
| United States Energy Foundation 83-1740146 | CA | A | 1 | $250,000 | 2022 |
| The Heising-Simons Foundation 26-0799587 | CA | B | 2 | $175,000 | 2022 |
| Natural Resources Defense Council Inc 13-2654926 | NY | A | 1 | $6,000 | 2025 |
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 10 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Natural Resources Defense Council Inc | Energy Systems Integration Group Knoxville, TN | A | $6,000 | paid | ENV. ADVOCACY | 202641329349307469 |
| 2024 | Sequoia Climate Foundation | Energy Systems Integration Group Inc Reston, VA | B | $1,250,000 | paid | TO PROVIDE GENERAL OPERATING SUPPORT | 202542869349100134 |
| 2023 | Multiplier | Energy Systems Integration Group Reston, VA | A | $550,000 | paid | TRANSMISSION SOLUTIONS FOR A CLEAN ENERGY FUTURE | 202443099349301399 |
| 2023 | Multiplier | Energy Systems Integration Group Reston, VA | A | $275,000 | paid | TRANSMISSION SOLUTIONS FOR A CLEAN ENERGY FUTURE | 202443099349301399 |
| 2023 | Sequoia Climate Foundation | Energy Systems Integration Group Inc Reston, VA | B | $200,000 | paid | TO SUPPORT SYSTEM READINESS FOR CLEAN GRIDS | 202422899349101117 |
| 2022 | Sequoia Climate Foundation | Energy Systems Integration Group Inc Reston, VA | B | $2,000,000 | paid | TO PROVIDE GENERAL OPERATING SUPPORT | 202342879349100304 |
| 2022 | United States Energy Foundation | Energy Systems Integration Group Inc Reston, VA | A | $250,000 | paid | TO PROMOTE EDUCATION AND ANALYSIS TO ADVANCE CLEAN, AFFORDABLE ENERGY THAT PROTECTS PUBLIC HEALTH. | 202313199349311266 |
| 2022 | The Heising-Simons Foundation | Energy Systems Integration Group Reston, VA | B | $100,000 | paid | FOR GENERAL SUPPORT | 202343189349106059 |
| 2020 | Wellspring Philanthropic Fund Inc | Energy Systems Integration Group Inc Reston, VA | B | $1,000,000 | paid | CLIMATE PROGRAM SUPPORT | 202102889349100120 |
| 2020 | The Heising-Simons Foundation | Energy Systems Integration Group Reston, VA | B | $75,000 | paid | FOR GENERAL SUPPORT | 202133199349105318 |
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.