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

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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.

ARRolling

Arkansas Small Cities and Counties EECBG Program

Grantor

U.S. Department of Energy and State of Arkansas

Award Amount

Varies

local_governmentcity

Clean Energy and Sustainability Grants 2026

Funding is hiding in plain sight.

High-intent funding opportunities

Where to focus first

Arkansas Small Cities and Counties EECBG Program

Xcel Energy Income-Qualified Business Efficiency Grants

Atlanta Watershed Care and Conserve Plumbing Assistance

Rhode Island Renewable Energy Fund Grants

Washington Department of Revenue Business Tax Incentives

SoCalGas Business Equipment Rebates

Seattle City Light Energy Efficiency as a Service

Tucson Electric Power Business Energy Solutions Rebates

Scottsdale Green Building Program Assistance

Vermont Sustainable Jobs Fund Flexible Capital Support

Mass Save Small Business Energy Solutions

PACE Partners Refrigeration and Restaurant Equipment Grant

SoCalGas Energy Efficiency Rebates for Business

Dane County Clean Energy Economic Development Grants

Connecticut C-PACE Financing

DC Green Bank Commercial Loans

OUC Commercial Energy and Water Rebates

Miami-Dade PACE Sustainable Property Improvements

Connecticut Green Bank C-PACE Wallingford

PG&E Business Energy Efficiency Rebates San Jose

Rural Energy Advancement Grant

Seattle Public Utilities Commercial Water Conservation Rebates

California Energy Commission Equitable Building Decarbonization Direct Install

New Hampshire C-PACER

Silicon Valley Power Customer Directed Electrification Rebate

Oncor Load Management Program

Connecticut Green Bank C-PACE Financing

City of Fremont Commercial PACE Financing

Tucson Electric Power Custom Program Rebates

Mansfield Commercial Property Assessed Clean Energy

Delaware Electric Cooperative Irrigation System Conversion Grants

Atlanta Commercial PACE Program

South Dakota SBIR Matching Program

Escondido Commercial Water Conservation Rebates and Evaluations

Pacific Power Wattsmart Business Washington Incentives

Rocky Mountain Power Wattsmart Business Incentives Utah

SAWS Commercial Irrigation Design Rebate

SAWS Commercial Flow Sensor Rebate

Xcel Energy Electric Vehicle Charging Rebates for Businesses

San Diego Community Power Power Network Funding

SRP Business Solutions Rebates

Sunnyvale Commercial and Facility Water Efficiency Rebates

Port of Long Beach Clean Trucks and Zero Emissions Incentives

Philadelphia Stormwater Credits and Appeals

Alaska Energy Authority Commercial Energy Programs

Mesa Water Management for Commercial Customers

HI-CAP Invest

Mesa Electric Smart Peaks Program

SAWS Commercial Custom Rebate

Energy Efficient Commercial Buildings Deduction

Wyoming Energy Authority Grants and Financing

Santa Rosa Water Commercial Water Efficiency Rebates

EPA Clean School Bus Program Rebates and Grants

River Falls Municipal Utilities Business Energy Efficiency Incentives

CenterPoint Energy Commercial High-Efficiency Foodservice Program

DC Sustainable Energy Utility Rebates and Incentives

DTE Energy Small Business Energy Consultation

DOE Title 17 Clean Energy Financing

N.F.C. Development Corporation City-Wide Green Initiative

Connecticut Green Bank C-PACE Meriden

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