Energy Efficiency Grants for 501(c)(3) Public Charity

As of September 2026, Grantoria lists 25 Energy Efficiency Grants for 501(c)(3) Public Charity — 5 open right now, across 17 funding agencies. Award amounts range $1K to $25M. The next application deadline is September 30, 2026. All listings are free, with direct links to the official application.

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25total grants
5open now
17agencies
$1K–$25Mfunding range
Sep 30next deadline
OPEN 25 days left Hard to apply

Staff Support to Tribal Radioactive Materials Transportation Committee for Engagement with the United States (U.S.) Department of Energy on Radioactive Materials Transportation Planning

Staff Support to the Tribal Radioactive Materials Transportation Committee for Engagement with the U.S. Department of Energy on Radioactive Materials Transportation Planning. Facilitate engagement between DOE…

🏛 Idaho Field Office 📋 CFDA 81.121 ⏰ Sep 30, 2026 💰 up to $2,000,000
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OPEN 40 days left Hard to apply

ROSES25: A.13 Accelerating Earth Solutions

NOTICE: Amended July 17, 2026. This amendment presents a new program element in ROSES-2025. Proposals are due October 15, 2026. The pre-proposal teleconference will be held…

🏛 NASA Headquarters 📋 CFDA 43.001 ⏰ Oct 15, 2026
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Explore related grants

Energy Efficiency grants by state

California (67) Pennsylvania (11)

Energy Efficiency grants by applicant

Nonprofits (77) Public Authority (69) Small Business (SBA-defined) (65) Tribal Nation (52) Individuals (40) Public University (35) Private University (27) 501(c)(3) Public Charity (25) City / Municipal Government (25) County Government (19) Researcher (independent) (15) Low-income (15)

Frequently asked questions

How many energy efficiency grants for 501(c)(3) public charity are available?
Grantoria currently lists 25 energy efficiency grants for 501(c)(3) public charity, of which 5 are open for applications right now. The database is refreshed daily from official federal sources (Grants.gov and SAM.gov).
When is the next deadline?
The next application deadline is September 30, 2026 — about 25 days away. Deadlines vary by program; open any grant to see its exact closing date and application window.
How much funding is available?
Award sizes range from $1K to $25M, depending on the program and applicant. Each grant shows its specific funding range where the agency has published one.
Is Grantoria free to use?
Yes — Grantoria is completely free. No account or subscription is required to browse energy efficiency grants for 501(c)(3) public charity, view deadlines and eligibility, or reach the official application.
How do I apply?
Open any grant to see its full profile — eligibility, required documents, deadlines and a direct link to the official application on the funding agency's website. You apply through the federal portal; Grantoria simply helps you find the right opportunity.

The free database of U.S. federal grants for nonprofits and grant writers — updated daily from official sources, Grants.gov, SAM.gov and other official resources.

✓ 100% free   ✓ No account required   ✓ Direct links to official applications

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