Clean Energy Grants

As of June 2026, Grantoria lists 313 Clean Energy Grants — 31 open right now, across 68 funding agencies. Award amounts range $2.5K to $587.73M. The next application deadline is June 2, 2026. All listings are free, with direct links to the official application.

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313total grants
31open now
68agencies
$2.5K–$587.73Mfunding range
Jun 2next deadline
CLOSING SOON 1 day left Hard to apply

Early Career Research Program (ECRP)

DOE SC hereby invites applications for support under the ECRP in the following program areas: Advanced Scientific Computing Research (ASCR); Basic Energy Sciences (BES); Biological and…

🏛 Office of Science 📋 CFDA 81.049 ⏰ Jun 2, 2026 💰 $875,000 – $2,750,000
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CLOSING SOON 4 days left Hard to apply

NYSDOL OJET GCEW-EV

NYSDOL OJET GCEW-EV is a New York State grant opportunity administered by the New York State Department of Labor. Total program funding is approximately $7,000,000. Eligible…

🏛 New York State Department of Labor ⏰ Jun 5, 2026
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CLOSING SOON 7 days left Hard to apply

FY 2026 Energizing Insular Communities Program

The Office of Insular Affairs (OIA) requests proposals for its Energizing Insular Communities (EIC) Program promoting domestically produced energy and protecting the United States" economic and…

🏛 Department of the Interior 📋 CFDA 15.875 ⏰ Jun 8, 2026 💰 up to $15,000,000
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OPEN 29 days left Easy to apply

Alternative Fuel Vehicle Rebate Program

Through the AFV rebate program, the Department of Environmental Protection will offer an opportunity to Pennsylvania residents to apply for a rebate when they purchase a…

🏛 Pennsylvania Department of Environmental Protection ⏰ Jun 30, 2026 💰 $500 – $3,000
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OPEN 30 days left Hard to apply

Energy Frontier Research Centers (EFRCs)

The DOE SC program in Basic Energy Sciences (BES) announces a re-competition of the Energy Frontier Research Center (EFRC) program. The purpose of this program is…

🏛 Office of Science 📋 CFDA 81.049 ⏰ Jul 1, 2026 💰 $12,000,000 – $18,000,000
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OPEN 35 days left Hard to apply

Advancing Innovation and Collaboration Through C-SIPA

The U.S. Department of State’s Public Affairs Section (PAS) at U.S. Embassy Manama announces an open competition to support programs that advance high-tech research and innovation…

🏛 U.S. Mission to Bahrain 📋 CFDA 19.040 ⏰ Jul 6, 2026 💰 $10,000 – $90,000
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OPEN 53 days left Hard to apply

Unleashing Tribal Energy Development

DE-FOA-0003548: Unleashing Tribal Energy Development Under this Notice of Funding Opportunity (NOFO), the DOE Office of Indian Energy Policy and Programs is soliciting applications to advance…

🏛 Golden Field Office 📋 CFDA 81.087 ⏰ Jul 24, 2026 💰 $250,000 – $7,500,000
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OPEN 56 days left Hard to apply

Small Business Innovation Research / Small Business Technology Transfer Phase I, Phase II, Fast-Track Programs (SBIR/STTR): A Pilot Emphasis on Scientific Instrumentation.

NSF invests in scientific discoveries, technological breakthroughs, and transformative innovations that strengthen economic growth, enhance security, and improve the lives of Americans and people around the…

🏛 U.S. National Science Foundation 📋 CFDA 47.084 ⏰ Jul 27, 2026
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OPEN Hard to apply

Tribal Capacity Building Program

The Tribal Capacity Building Program provides funding and technical assistance to California Native American Tribes, enhancing staff capacity to advance Tribes’ climate- and housing-related work. The…

🏛 Strategic Growth Council (California) ⏰ Aug 11, 2026 💰 $350,000 – $420,000
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Frequently asked questions

How many clean energy grants are available?
Grantoria currently lists 313 clean energy grants, of which 31 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 June 2, 2026 — about 1 days away. Deadlines vary by program; open any grant to see its exact closing date and application window.
Who is eligible for clean energy grants?
Eligibility is set by each funding program, but clean energy grants in this category most often support: Nonprofits, Public Authority, Small Business (SBA-defined) and Tribal Nation. Check each grant's eligibility summary for the exact applicant types and requirements.
How much funding is available?
Award sizes range from $2.5K to $587.73M, 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 clean energy grants, 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.

About Clean Energy grants

Clean energy grants support innovative projects that advance renewable energy technologies, grid modernization, and sustainable infrastructure development. With 313 active grants listed in this category, funding opportunities come from leading agencies including the U.S. National Science Foundation and the Advanced Research Projects Agency Energy, which prioritize cutting-edge solutions for the energy transition.

Awards typically range from $150,000 to $11.5 million, with most grants requiring competitive applications. Universities and nonprofits are frequent recipients of research, capacity-building, and capital support. Many opportunities target underrepresented communities in the Caribbean, Pacific Islander, and Puerto Rican regions. To narrow your search, filter by recipient type, support category, and cost-sharing requirements, as 28% of grants involve matching funds.