Grants for Solar Energy

Last updated October 4, 2026

Grantable tracks 151 active grants for solar energy in its free grants database, drawn from federal, state and foundation sources and updated daily. 1 of them have a verified open deadline or accept applications on a rolling basis. 77 list an award amount, with a median of $200K.

Grants tracked: 151; from 94 funders
Median award: $200K; middle half $40K–$600K
Total listed funding: $64.8M; across 77 grants that list an amount
Rolling deadlines: 9; 1 with a published date

On this page: Federal State Foundation · Updated daily

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Grant	Deadline ▲	Amount
Tribal Energy Plan Grant Grid Alternatives · Foundation Not published · Varies _NOTE: Application funds are fully subscribed for the current grant cycle. GRID Alternatives’ and the National Tribal Program has worked since 2010 to help tribal communities across the United States achieve their renewable energy goals.	Not published	Varies
Solar for Schools Program Solar United Neighbors Inc · Foundation Not published · Varies A program designed to help school districts install solar energy systems to reduce energy costs and support student education about renewable energy. Each participating school district receives:	Not published	Varies
Offshore Wind Works - Workforce Training & Development Grants The Massachusetts Clean Energy Center (MassCEC) · Foundation Not published · Varies The Offshore Wind Works program aims to build a qualified and equitable workforce for the growing offshore wind industry in Massachusetts.	Not published	Varies
Leighty Foundation Grants The Leighty Foundation · Foundation Not published · Varies _NOTE:_ _We consider funding proposals that we have invited. TLF has no paid management staff.	Not published	Varies
Renewable Energy Systems and Energy Efficiency Improvements Program Rural Business-Cooperative Service · Federal Not published · $2K – $500K REAP Renewable Energy Systems and Energy Efficiency Improvement Program. Refer to Application Package AND Application Instruction links to obtain all necessary forms for a complete application.	Not published	$2K – $500K
Solar for Schools Grant Program Fresh Energy · Foundation Not published · Varies	Not published	Varies
State Energy Program Grant (ND) North Dakota Department of Commerce · Foundation Not published · $5K – $50K The State Energy Program Grant in North Dakota supports energy efficiency and conservation initiatives through funding and technical assistance from the U.S. Department of Energy.	Not published	$5K – $50K
EEP Africa Call for Proposals Grant The Energy and Environment Partnership Trust Fund (EEP Africa) · Foundation Not published · €200,000 - €500,000 The EEP Africa Call for Proposals invites innovative early-stage clean energy projects in Southern and Eastern Africa.	Not published	€200,000 - €500,000
Texas Solar Energy Internship Program (SEIP) Texas Solar Energy Society Inc · Foundation Not published · Varies A statewide internship program designed to facilitate pathways to jobs and opportunities in solar energy for female students and students of color.	Not published	Varies
Solar for Good - Technical Assistance Grants Renew Wisconsin Inc · Foundation Not published · $250 – $500	Not published	$250 – $500
Clean Energy Contractor Incubator Grant Illinois Department of Commerce and Economic Opportunity · Foundation Not published · $500K – $2.5M The Clean Energy Contractor Incubator Program, initiated by the Illinois Department of Commerce and Economic Opportunity, aims to foster the growth of clean energy contractor businesses and nonprofits.	Not published	$500K – $2.5M
Sales Tax Exclusion (STE) Program State Treasurer's Office · State Not published · Varies CAEATFA supports California's mission to provide financial incentives to cutting-edge companies by offering a sales and use tax exclusion to manufacturers purchasing equipment to promote alternative energy, advanced transportation and…	Not published	Varies
Community Solar (Commercial) Maryland Energy Administration · State Not published · Varies	Not published	Varies
Cost Share for Federal Funding Opportunities Clean Hydrogen Program CA Energy Commission · State Not published · Varies The purpose of this solicitation is to provide cost share funding for eligible projects (see Section II.C. of GFO-22-903) to applicants that apply for and receive an award under an eligible federal Funding Opportunity Announcement (FOA).	Not published	Varies
Toledo Neighborhoods Foundation Grant Toledo Community Foundation Inc · Foundation Not published · Varies Grants from the Toledo Neighborhoods Foundation are made possible through revenue generated by the GTCF solar arrays at the Overland Industrial Park.	Not published	Varies
Loyola Foundation Grant The Loyola Foundation Inc · Foundation Not published · Up to $20K The Loyola Foundation Grant supports overseas Catholic mission projects focused on capital needs such as construction, equipment, and vehicles.	Not published	Up to $20K
EnergIIZE Commercial Vehicles (MDHD ZEV Infrastructure Incentive Block Grant project) – Transit Set-Aside Funding Lane - Rollover California Energy Commission · Foundation Not published · Up to $5M The EnergIIZE Commercial Vehicles project, funded by the California Energy Commission, offers incentives for zero-emission vehicle infrastructure for medium- and heavy-duty vehicles in California.	Not published	Up to $5M
RFP: ADU Accelerator Demonstration Grant The Massachusetts Clean Energy Center (MassCEC) · Foundation Not published · Up to $500K The Massachusetts Clean Energy Technology Center (MassCEC) is launching the ADU Accelerator Demonstration RFP to promote the development of all-electric, prefabricated accessory dwelling units (ADUs) in the Pioneer Valley.	Not published	Up to $500K
Maryland Offshore Wind Workforce Training & Education Program Maryland Energy Administration · State Not published · Varies This program provides grant funding on a competitive basis to ensure Maryland has a ready and able workforce capable of contributing to the construction, installation, and operation & maintenance of an offshore wind energy project.	Not published	Varies
Aes Hawaii Foundation Grant AES Hawaii Foundation · Foundation Not published · Varies The AES Hawaiʻi Foundation Grant supports communities near AES Hawaiʻi’s renewable energy projects, focusing on social justice, education, environmental stewardship, and community health.	Not published	Varies
Solar Canopy and Dual Use Technology Grant Program Maryland Energy Administration · State Not published · Varies This program provides grant funding to support the installation of solar systems that provide multiple uses for land and water.	Not published	Varies
MassCEC CriticalMass Program Grant The Massachusetts Clean Energy Center (MassCEC) · Foundation Not published · Up to $1M The MassCEC CriticalMass Program supports growth-stage climatetech startups by providing up to $1,000,000 in grant funding, specialized services, and partner matchmaking.	Not published	Up to $1M
Maryland SolarAPP+ Implementation Grant Program Maryland Energy Administration · State Not published · Varies Provides grants to Maryland Counties and Municipalities, to help pay the costs associated with implementing the free-to-use U.S. National Renewable Energy Laboratory SolarAPP+ solar permitting software for their communities.	Not published	Varies
Tribal Clean Energy Grants Washington State Department of Commerce · Foundation Not published · Up to $16M The Tribal Clean Energy Grants program, managed by the Washington State Department of Commerce, allocates approximately $16 million to support tribes in planning, designing, and constructing clean energy projects.	Not published	Up to $16M

Showing 121–144 of 151

About solar energy grants

Solar and clean energy grants fund installations, research, workforce development, and community energy programs. The Department of Energy, EPA, USDA, and state energy offices are major funders, especially after the Inflation Reduction Act expanded clean energy incentives. Both tax credits and direct grants are available for solar projects.

Frequently Asked Questions

How much money do grants for solar energy award?

Of the 151 grants for solar energy Grantable lists as of October 4, 2026, 77 publish an award amount. The median listed award is $200K, and the middle half fall between $40K and $600K. The largest is $10M. Amounts are each grant's stated maximum, so a typical award can be smaller.

Which funders offer the most grants for solar energy?

By number of open listings, the most active funders are Maryland Energy Administration (12), The Massachusetts Clean Energy Center (MassCEC) (7), California Energy Commission (5), Honnold Foundation (5), and People's Solar Energy Fund (5). In all, 94 funders have at least one open grant in this category.

When are grants for solar energy due?

Of 151 grants listed, 9 accept applications on a rolling basis, 1 have a published upcoming deadline, 34 run on a stated cycle (such as annual or quarterly) without a published date, and 107 don't publish a deadline, so check the funder's site.

What federal grants are available for solar projects?

The DOE's Solar Energy Technologies Office funds research and deployment. The USDA REAP program provides grants for rural solar installations. The EPA's Greenhouse Gas Reduction Fund supports community solar. The Inflation Reduction Act created new direct-pay options for tax-exempt organizations, effectively functioning as grants for solar installations.

Can nonprofits get solar grants?

Yes. Nonprofits can now benefit from the IRA's direct-pay provisions for clean energy tax credits. The EPA's Solar for All program specifically serves low-income and disadvantaged communities. State programs like California's SASH and New York's NY-Sun include nonprofit pathways. Many utility companies offer solar incentive programs for nonprofits.

Are there grants for community solar projects?

Yes. The EPA's $7 billion Solar for All program is the largest community solar grant in history. USDA's Rural Energy for America Program supports rural community solar. State clean energy funds in Colorado, Minnesota, Illinois, and others specifically fund community solar development.

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