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.

Forrest Grants

Funding is hiding in plain sight.

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

🐻

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

Open grants

963

Average award

$2,737

Top eligibility tags

property_ownersmall_businessbusinessutility_customer

Featured grants

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.

IARolling

Waste Commission of Scott County Complete Community Grants

Grantor

Waste Commission of Scott County

Award Amount

$10,000

nonprofitenvironment
View Grant
WIRolling

Focus on Energy — Renewable Energy Business Incentives (Solar PV)

Grantor

Focus on Energy (Wisconsin Utilities Statewide Program)

Award Amount

$10,000

businesswisconsin based
View Grant
DERolling

Green Energy Program – Commercial Renewable Energy Grants

Grantor

Delaware Sustainable Energy Utility (Energize Delaware) / DNREC

Award Amount

$10,000

commercialrenewable energy
View Grant
CORolling

Certifiably Green Denver Mini-Grants

Grantor

City and County of Denver

Award Amount

$10,000

small_businessenvironmental
View Grant
CARolling

Thousand Oaks Commercial Water Conservation Rebates

Grantor

Metropolitan Water District of Southern California

Award Amount

$10,000

small_businessproperty_owner
View Grant
NYRolling

Southeast Queens Go Green Restaurant Grant

Grantor

Greater Jamaica Development Corporation

Award Amount

$10,000

small_businessrestaurant
View Grant
CARolling

Simi Valley Water Conservation Rebates

Grantor

Metropolitan Water District of Southern California

Award Amount

$10,000

small_businessproperty_owner
View Grant
MNRolling

CERTs Seed Grants — Community Clean Energy Projects

Grantor

Clean Energy Resource Teams (CERTs) / Minnesota Department of Commerce

Award Amount

$10,000

nonprofitcommunity organization
View Grant
RIRolling

Small Business Energy Efficiency Grant Program

Grantor

Rhode Island Commerce

Award Amount

$10,000

small_businessclean_energy
View Grant
CARolling

City of Fresno Lawn-to-Garden Commercial Rebate

Grantor

City of Fresno

Award Amount

$8,000

businessproperty_owner
View Grant
CORolling

Boulder Solar Grants

Grantor

City of Boulder

Award Amount

$8,000

nonprofitaffordable_housing
View Grant
MERolling

Maine EV Accelerator — Business Purchase Rebates

Grantor

Efficiency Maine Trust

Award Amount

$7,500

Maine businessEV or PHEV purchase or lease
View Grant
NMRolling

New Solar Market Development Tax Credit (NSMDTC)

Grantor

New Mexico Energy, Minerals and Natural Resources Department – Energy Conservation and Management Division

Award Amount

$6,000

businessagricultural enterprise
View Grant
PARolling

Penn EcoVenture Challenge

Grantor

Penn Climate Ventures

Award Amount

$6,000

youth_ownedstudent_founder
View Grant
FLRolling

Miami-Dade Commercial Water Conservation Rebates

Grantor

Miami-Dade County

Award Amount

$5,000

small_businesscommercial_customer
View Grant
CORolling

Colorado Springs Utilities Small Business Efficiency Program

Grantor

Colorado Springs Utilities

Award Amount

$5,000

small_businessutility_customer
View Grant
TXRolling

Austin Water WaterWise Landscape Rebate

Grantor

Austin Water

Award Amount

$5,000

property_ownermultifamily
View Grant
OHRolling

Ohio Incumbent Workforce Training Voucher Program - Energy Track

Grantor

Ohio Department of Development

Award Amount

$4,000

Ohio employer1+ years in operation
View Grant
FLRolling

Miami-Dade Hotel and Motel Water Conservation Rebates

Grantor

Miami-Dade County

Award Amount

$3,750

hotelcommercial_customer
View Grant
FLRolling

Florida Brownfield Redevelopment Bonus Refund

Grantor

FloridaCommerce / Florida Department of Environmental Protection

Award Amount

$2,500

small_business
View Grant
FLRolling

Florida Brownfield Redevelopment Bonus Refund — Environmental Cleanup and Green Redevelopment

Grantor

FloridaCommerce

Award Amount

$2,500

for profitjob creation
View Grant
CORolling

President's Sustainable Solutions Challenge

Grantor

University of Colorado

Award Amount

$2,500

university_of_coloradostudents
View Grant
NYRolling

Drive Clean Rebate for Electric Cars

Grantor

New York State Energy Research and Development Authority

Award Amount

$2,000

vehicle_supportsustainability_support
View Grant
CORolling

Small Business Equity Fund Grant Program

Grantor

Colorado Department of Public Health and Environment (CDPHE) – Colorado Green Business Network

Award Amount

$1,500

Colorado small businessdisproportionately impacted community
View Grant
CARolling

San Francisco Automatic Dishwashing Grant

Grantor

City and County of San Francisco

Award Amount

$1,500

small_businessrestaurant
View Grant
AZRolling

Arizona Residential Solar and Wind Energy Systems Tax Credit

Grantor

Arizona Department of Revenue / Governor's Office of Resiliency

Award Amount

$1,000

Arizona taxpayerresidential solar or wind installation
View Grant
INRolling

Bloomington Sustainable Neighborhoods Grant Program

Grantor

City of Bloomington

Award Amount

$1,000

community_organizationneighborhood_association
View Grant
CARolling

City of San Diego Stormwater Rain Barrel and Cistern Rebates

Grantor

City of San Diego

Award Amount

$800

property_ownerutility_customer
View Grant
AZRolling

Tempe Water Conservation Graywater Stub-Out Rebate

Grantor

City of Tempe

Award Amount

$200

businessproperty_owner
View Grant
AZRolling

Tucson Water Commercial High-Efficiency Toilet Rebate

Grantor

City of Tucson

Award Amount

$150

businessproperty_owner
View Grant
CARolling

City of Fresno Commercial and Multifamily Toilet Rebate

Grantor

City of Fresno

Award Amount

$105

businessproperty_owner
View Grant
TXRolling

Austin Energy Commercial Demand Response

Grantor

Austin Energy

Award Amount

$80

commercial_customerindustrial
View Grant
AZRolling

Tempe Water Conservation Commercial Toilet Rebate

Grantor

City of Tempe

Award Amount

$75

businessproperty_owner
View Grant
AZRolling

Tempe Water Conservation Commercial Urinal Rebate

Grantor

City of Tempe

Award Amount

$75

businessproperty_owner
View Grant
NDRolling

New Venture Capital Fund

Grantor

Bank of North Dakota

Award Amount

Varies

startupventure_backed
View Grant
TXRolling

Austin Energy Small Business Bundle

Grantor

Austin Energy

Award Amount

Varies

small_businessnonprofit
View Grant
CTRolling

Connecticut Green Bank C-PACE Naugatuck

Grantor

Connecticut Green Bank

Award Amount

Varies

property_ownercommercial_customer
View Grant
VIRolling

Virgin Islands Energy Office Electric Vehicle Rebate Program

Grantor

Virgin Islands Energy Office

Award Amount

Varies

residentsmall_business
View Grant
CARolling

Roseville Electric Commercial HVAC Rebate

Grantor

Roseville Electric Utility

Award Amount

Varies

small_businesscommercial_customer
View Grant
CTRolling

Energize CT Commercial EV Charging Incentives

Grantor

Eversource, UI, and Energize Connecticut

Award Amount

Varies

utility_customerelectric_vehicle
View Grant
TXRolling

CenterPoint Energy Commercial and Industrial Electric Efficiency Program

Grantor

CenterPoint Energy

Award Amount

Varies

commercial_customerindustrial
View Grant
CARolling

SFPUC Commercial Water Conservation Assistance

Grantor

San Francisco Public Utilities Commission

Award Amount

Varies

commercial_customersmall_business
View Grant
WIRolling

Focus on Energy Business Incentives Wisconsin

Grantor

Focus on Energy

Award Amount

Varies

businesscommercial_customer
View Grant
CARolling

San Jose Clean Energy Business Programs

Grantor

City of San Jose

Award Amount

Varies

businessutility_customer
View Grant
MIRolling

Ypsilanti DDA Solar Rebate Grants

Grantor

Ypsilanti Downtown Development Authority

Award Amount

Varies

small_businessproperty_owner
View Grant
TXRolling

CenterPoint Energy Commercial Electric Service Rebates

Grantor

CenterPoint Energy

Award Amount

Varies

small_businesscommercial_customer
View Grant
TNRolling

Metro Water Services Stormwater User Fee Review

Grantor

Metropolitan Government of Nashville and Davidson County

Award Amount

Varies

property_ownercommercial_customer
View Grant
NMRolling

Taos County C-PACE Financing

Grantor

New Mexico Finance Authority

Award Amount

Varies

property_ownercommercial_property
View Grant
CORolling

City of Boulder Solar Sales and Use Tax Rebate

Grantor

City of Boulder

Award Amount

Varies

solarclean_energy
View Grant
TXRolling

AEP Texas Commercial Solutions Program

Grantor

AEP Texas

Award Amount

Varies

businesscommercial_customer
View Grant
CORolling

Xcel Energy Business Energy Efficiency Rebates

Grantor

Xcel Energy

Award Amount

Varies

utility_customerenergy_efficiency
View Grant
MNRolling

Rochester Homeowner Rehabilitation Program

Grantor

City of Rochester, Minnesota

Award Amount

Varies

homeownerresident
View Grant
CARolling

SMUD Complete Energy Solutions

Grantor

Sacramento Municipal Utility District

Award Amount

Varies

businessutility_customer
View Grant
NMRolling

Sustainable Building Tax Credit

Grantor

New Mexico Taxation and Revenue Department

Award Amount

Varies

small_businessproperty_owner
View Grant
TNRolling

Appalachian Power Business Energy Savings Resources

Grantor

Appalachian Power

Award Amount

Varies

businesscommercial_customer
View Grant
CTRolling

CT Green Bank C-PACE Financing

Grantor

Connecticut Green Bank

Award Amount

Varies

commercial_propertyclean_energy
View Grant
MDRolling

Maryland Commercial PACE

Grantor

Maryland Clean Energy Center

Award Amount

Varies

property_ownersmall_business
View Grant
VTRolling

Burlington Electric Department Commercial Rebates

Grantor

Burlington Electric Department

Award Amount

Varies

small_businessproperty_owner
View Grant
NJRolling

New Jersey Clean Energy Program Commercial and Industrial Incentives

Grantor

New Jersey Board of Public Utilities

Award Amount

Varies

View Grant
WARolling

Washington Zero-Emission Incentive Program

Grantor

Washington State Department of Transportation

Award Amount

Varies

businessfleet_operator
View Grant

Ready to apply?

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