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.

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

Open grants

970

Average award

$1,000,000

Top eligibility tags

small_businessagricultural_producerenergy_efficiencyrural

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.

SDRolling

USDA Rural Energy for America Program Grants for Sioux Falls-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
ILRolling

Energy Efficiency Trust Fund Grant Program (Illinois EPA)

Grantor

Illinois Environmental Protection Agency (Illinois EPA)

Award Amount

$1,000,000

energy efficiencyhousing assistance
View Grant
KSRolling

GrowKS Loan Fund β€” Green Business

Grantor

Network Kansas / Kansas Department of Commerce

Award Amount

$1,000,000

for profitsmall business
View Grant
SDRolling

USDA Rural Energy for America Program Grants for Aberdeen-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
UTRolling

USDA Rural Energy for America Program Grants for West Valley City-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
ORRolling

USDA Rural Energy for America Program Grants for Gresham-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
NHRolling

USDA Rural Energy for America Program Grants for Manchester-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

ruralsmall_business
View Grant
NVRolling

USDA Rural Energy for America Program Nevada

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessagricultural_producer
View Grant
MNRolling

USDA Rural Energy for America Program Minnesota

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessagricultural_producer
View Grant
NYRolling

USDA Rural Energy for America Program Grants for Buffalo-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

ruralsmall_business
View Grant
MARolling

CriticalMass Climatetech Startup Grant Program

Grantor

Massachusetts Clean Energy Center (MassCEC)

Award Amount

$1,000,000

startup10 50 employees
View Grant
MERolling

USDA Rural Energy for America Program - Maine

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

rural_businessfarmer
View Grant
VTRolling

VEDA Small Business Loan Program β€” Green Economy

Grantor

Vermont Economic Development Authority (VEDA)

Award Amount

$1,000,000

Vermont based businesssmall business
View Grant
LARolling

USDA Rural Energy for America Program Grants - Shreveport Region

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

rural_businessagriculture
View Grant
OKRolling

USDA Rural Energy for America Program Oklahoma

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessagricultural_producer
View Grant
PARolling

USDA Rural Energy for America Program Grants for Erie-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
MERolling

USDA Rural Energy for America Program Grants - Lewiston Region

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

rural_businessagriculture
View Grant
NVRolling

USDA Rural Energy for America Program Grants for North Las Vegas-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

ruralsmall_business
View Grant
KSRolling

Kansas Rural Energy for America Program

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

rural_businessagriculture
View Grant
OHRolling

USDA Rural Energy for America Program Grants for Akron-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
VIRolling

USDA Rural Energy for America Program U.S. Virgin Islands

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural_business
View Grant
OHRolling

USDA Rural Energy for America Program Grants for Toledo-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
RIRolling

USDA Rural Energy for America Program Grants for Providence-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
SCRolling

USDA Rural Energy for America Program South Carolina

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessagricultural_producer
View Grant
NDRolling

USDA Rural Energy for America Program Grants for Fargo-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
WVRolling

USDA Rural Energy for America Program West Virginia

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessagricultural_producer
View Grant
RIRolling

USDA Rural Energy for America Program Grants for Warwick-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
Rolling

USDA Rural Energy for America Program (REAP)

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

rural_businessagricultural_producer
View Grant
NVRolling

USDA Rural Energy for America Program Grants for Reno-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

ruralsmall_business
View Grant
NHRolling

USDA Rural Energy for America Program Grants for Nashua-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

ruralsmall_business
View Grant
NMRolling

USDA Rural Energy for America Program Grants for Las Cruces-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

ruralsmall_business
View Grant
MDRolling

USDA Rural Energy for America Program Grants - Baltimore Region

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

rural_businessagriculture
View Grant
IDRolling

USDA Rural Energy for America Program Idaho

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessfarmer
View Grant
NVRolling

Battle Born Venture Program

Grantor

U.S. Department of the Treasury

Award Amount

$1,000,000

startupventure_capital
View Grant
NHRolling

USDA Rural Energy for America Program - New Hampshire

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

rural_businessfarmer
View Grant
MTRolling

USDA Rural Energy for America Program Grants - Billings Region

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

rural_businessagriculture
View Grant
MERolling

Efficiency Maine Commercial & Industrial Prescriptive Rebates

Grantor

Efficiency Maine Trust

Award Amount

$1,000,000

Maine commercial or industrial energy customerefficiency measures
View Grant
SDRolling

South Dakota Rural Energy for America Program

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

rural_businessagriculture
View Grant
PARolling

USDA Rural Energy for America Program Grants for Reading-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
LARolling

USDA Rural Energy for America Program Grants - New Orleans Region

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

rural_businessagriculture
View Grant
NVRolling

Nevada Clean Energy Fund Business Financing Program

Grantor

Nevada Clean Energy Fund (NCEF)

Award Amount

$1,000,000

Nevada basedclean energy project
View Grant
ORRolling

USDA Rural Energy for America Program Grants for Salem-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
NMRolling

USDA Rural Energy for America Program Grants for Albuquerque-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

ruralsmall_business
View Grant
ORRolling

USDA Rural Energy for America Program Grants for Eugene-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
NHRolling

USDA Rural Energy for America Program Grants for Concord-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

ruralsmall_business
View Grant
CARolling

USDA Rural Energy for America Program Sacramento County

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessagricultural_producer
View Grant
NYRolling

USDA Rural Energy for America Program Grants for Albany-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
OHRolling

Ohio Advanced Energy Fund Grant

Grantor

Ohio Department of Development

Award Amount

$1,000,000

Ohio basedenergy efficiency
View Grant
VTRolling

USDA Rural Energy for America Program - Vermont

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

rural_businessfarmer
View Grant
NCRolling

USDA Rural Energy for America Program Grants for Durham-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
INRolling

Indiana Venture Capital Investment (VCI) Tax Credit – Clean Energy

Grantor

Indiana Economic Development Corporation (IEDC)

Award Amount

$1,000,000

Indiana basedqualified Indiana business
View Grant
WARolling

USDA Rural Energy for America Program Washington

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural_business
View Grant
MARolling

MassCEC Equity Workforce Training Implementation Grants (Nonprofits)

Grantor

Massachusetts Clean Energy Center (MassCEC)

Award Amount

$1,000,000

nonprofitcommunity based organization
View Grant
PARolling

Philadelphia Water Department Stormwater Management Incentives Program

Grantor

Philadelphia Water Department

Award Amount

$1,000,000

property_ownernonprofit
View Grant
CARolling

USDA Rural Energy for America Program Santa Clara County

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessagricultural_producer
View Grant
GARolling

USDA Rural Energy for America Program Georgia

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessagricultural_producer
View Grant
NHRolling

New Hampshire Business Finance Authority Business Energy Loans

Grantor

New Hampshire Business Finance Authority

Award Amount

$1,000,000

small_businessnonprofit
View Grant
NCRolling

USDA Rural Energy for America Program Grants for Winston-Salem-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant
ARRolling

USDA Rural Energy for America Program Arkansas

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessagricultural_producer
View Grant
PARolling

USDA Rural Energy for America Program Grants for Pittsburgh-Area Producers

Grantor

U.S. Department of Agriculture

Award Amount

$1,000,000

small_businessrural
View Grant

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