Frequently asked questions
How many energy efficiency grants are available?
Grantoria currently lists 129 energy efficiency grants, of which 16 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 November 5, 2026 — about 15 days away. Deadlines vary by program; open any grant to see its exact closing date and application window.
Who is eligible for energy efficiency grants?
Eligibility is set by each funding program, but energy efficiency grants in this category most often support: Nonprofits, Small Business (SBA-defined), Public Authority 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 $1.5K to $550M, 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, 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 Energy Efficiency grants
Energy efficiency grants support projects that reduce energy consumption and promote sustainable practices across residential, commercial, and industrial sectors. With 129 active grants currently listed, this category attracts significant investment from leading agencies including the U.S. National Science Foundation and the Rural Business-Cooperative Service, which prioritize innovation and rural development.
Most awards range from $875,000 to $3.4 million and follow competitive application processes. Private and public universities, along with nonprofits, represent the primary recipients, with a focus on research, capacity building, and program implementation. Grants often target Native American communities, tribal lands, and rural areas. Using demographic and award size filters can help identify opportunities aligned with your organization's goals and context.