Clean Energy and Sustainability Grants funding

Clean Energy and Sustainability Grants 2026

Browse open grant programs for clean-energy, sustainability, and green businesses in 2026, sorted by award size, with deadlines and eligibility at a glance.

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Forrest Grants

Funding is hiding in plain sight.

Energy-efficiency, solar, EV, and climate-resilience grants for businesses going green.

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Forrest Grant keeps the list clean, relevant, and pointed at programs worth a real application.

Open grants

963

Average award

Top eligibility tags

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High-intent funding opportunities

Grants in Clean

Where to focus first

Browse open grant programs for clean-energy, sustainability, and green businesses in 2026, sorted by award size, with deadlines and eligibility at a glance. Use this page as your shortlist, then jump into the intake wizard so Forrest can narrow the list to the programs you are most likely to win.

MERolling

Maine Dirigo Business Incentives - Lewiston

Grantor

State of Maine

Award Amount

Varies

business_expansiontax_credit

Clean Energy and Sustainability Grants 2026

Funding is hiding in plain sight.

High-intent funding opportunities

Where to focus first

Maine Dirigo Business Incentives - Lewiston

Alaska Native Tribal Health Consortium Rural Energy Initiative Grants and Technical Assistance

Xcel Energy Business Equipment Rebates

Efficiency Smart Business Rebates for Newark Electric Customers

Virgin Islands Energy Office Energy Star Rebate Program

Delmarva Power Business Energy Savings Program

Rhode Island Renewable Energy Fund

PG&E Business Energy Efficiency Rebates Fresno

Sustainable Living Center Smart Business Partners

Austin Energy Commercial Rebates

Washington Clean Buildings Performance Grants

PG&E Business Energy Efficiency Rebates Oakland

United Illuminating Business Energy Efficiency Rebates

Barr Foundation Grants

Alaska Energy Authority Commercial Energy Efficiency Programs

Oahu Agriculture and Conservation Association Small Business Funding Resources

Oncor Commercial Standard Offer Program

Efficiency Vermont Business Rebates and Custom Incentives

Efficiency Maine Commercial and Industrial Incentives

Newark Electric Energy Efficiency Smart Thermostat and Equipment Programs

Value-added Guarantee Loan

Oceanside Commercial Water Efficiency Rebates

Torrance Commercial Water Conservation Rebates

Connecticut Green Bank C-PACE Storrs

Montana Recycling Market Development Tax Credit

Texas Emissions Reduction Plan Grants

Frederick County Commercial Property Assessed Clean Energy

Duke Energy Florida Business Energy Incentives

Georgia Energy Grant Program

Maine Dirigo Business Incentives - Bangor

Connecticut Green Bank Solar PPA and Commercial Solar Financing

Connecticut Green Bank C-PACE

Mesa Natural Gas Appliance Rebate

Minneapolis Green Cost Share Commercial and Multifamily Solar

EPA National Clean Investment Fund

Seattle City Light Commercial Lighting Rebates

Efficiency Works Business Rebates for Fort Collins Utilities Customers

Washtenaw County Weatherization Program

LADWP Commercial Direct Install Program

DTE Energy Business Energy Efficiency Rebates

Glendale Water & Power Business Energy Solutions Program

Scottsdale Water Management and Efficiency Technology Rebate

Washington FundHub Clean Economy Grants and Incentives

GEMS Commercial Clean Energy Financing

Southern California Edison Business Rebates and Incentives

Alaska Renewable Energy Fund

PECO Small Business Direct Install Program

Eversource Business Equipment Rebates and Discounts

Detroit Stormwater Drainage Charge Credits

PACE Partners Custom Energy Efficiency Rebates

Roseville Environmental Utilities Commercial Water Efficiency Rebates

Island Green Living Sustainable Living and Recycling Project Support

BrightRidge and TVA EnergyRight Business Incentives

Waterbury Commercial Property Assessed Clean Energy

Park City Community Foundation Climate Fund Grants

PECO Business Energy Efficiency Incentives

Grace Sweeney Solar Rebate Program

Roseville Electric Commercial Custom Rebate Program

Bismarck-Mandan Chamber EDC Incentive Navigation

SRP Business Solutions Rebates Mesa

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