Frequently asked questions
How many clean energy grants are available?
Grantoria currently lists 1,143 clean energy grants, of which 33 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 October 22, 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, Tribal Nation and Small Business (SBA-defined). Check each grant's eligibility summary for the exact applicant types and requirements.
How much funding is available?
Award sizes range from $1K to $5B, 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 1,143 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.
