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

970

Average award

$374,833

Top eligibility tags

energy_efficiencysmall_businessnonprofitclean_energy

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.

NJRolling

NJ ZEV Financing Program

Grantor

New Jersey Economic Development Authority (NJEDA)

Award Amount

$500,000

commercial businesszero emission vehicle
View Grant
ARRolling

Arkansas Community Development Block Grant – Environmental Infrastructure

Grantor

Arkansas Economic Development Commission (AEDC)

Award Amount

$500,000

Arkansas local governmentcommunity organization
View Grant
NJRolling

NJ ZEV Financing

Grantor

New Jersey Economic Development Authority (NJEDA)

Award Amount

$500,000

vehicle_supportequipment
View Grant
OKRolling

Oklahoma OCAST Industry Innovation Program – Energy Diversification

Grantor

Oklahoma Center for the Advancement of Science and Technology (OCAST)

Award Amount

$500,000

Oklahoma basedprivate sector
View Grant
AKRolling

Alternative Energy Conservation Loan Program

Grantor

State of Alaska

Award Amount

$500,000

businessenergy_efficiency
View Grant
HIRolling

Hawaii State Energy Office Clean Energy Wayfinders and Grants

Grantor

State of Hawaii

Award Amount

$500,000

clean_energytechnical_assistance
View Grant
Rolling

DOE Voucher Program

Grantor

U.S. Department of Energy

Award Amount

$500,000

startupmanufacturer
View Grant
Rolling

EPA Small Business Innovation Research (SBIR) Program

Grantor

U.S. Environmental Protection Agency

Award Amount

$500,000

small_businessstartup
View Grant
ARRolling

Arkansas Energy Office Energy Efficiency and Conservation Block Grant

Grantor

U.S. Department of Energy

Award Amount

$500,000

local_governmentgreen_business
View Grant
MSRolling

Energy Efficiency Revolving Loan Fund

Grantor

Mississippi Development Authority

Award Amount

$500,000

small_businesslarge_business
View Grant
ORRolling

Oregon SSBCI Venture Direct Program — Cleantech and Sustainability

Grantor

Business Oregon / Elevate Capital

Award Amount

$500,000

for profitOregon based
View Grant
OKRolling

Oklahoma Business Lending Partnership Program (OBLP) – Clean Energy

Grantor

Oklahoma Center for the Advancement of Science and Technology (OCAST) / TEDC Creative Capital

Award Amount

$500,000

Oklahoma basedsmall business
View Grant
CARolling

Pacific Community Ventures Good and Green Loan

Grantor

Pacific Community Ventures

Award Amount

$500,000

small_businessgreen_business
View Grant
Rolling

EPA Environmental Justice Thriving Communities Grantmakers

Grantor

U.S. Environmental Protection Agency

Award Amount

$500,000

small_businessnonprofit
View Grant
MSRolling

Mississippi Energy Investment Loan Program

Grantor

Mississippi Development Authority

Award Amount

$500,000

Mississippi basedfor profit
View Grant
NDRolling

Bismarck Growth Fund

Grantor

Bismarck-Mandan Chamber EDC

Award Amount

$500,000

business_expansionjob_creation
View Grant
MIRolling

EGLE Clean Fuel and Charging Infrastructure Program

Grantor

Michigan Department of Environment, Great Lakes, and Energy (EGLE)

Award Amount

$500,000

Michigan basedEV charging
View Grant
NHRolling

New Hampshire CDFA Clean Energy Fund

Grantor

New Hampshire Community Development Finance Authority

Award Amount

$500,000

nonprofitmunicipality
View Grant
MERolling

Maine Technology Institute Business Innovation Funding - Lewiston

Grantor

State of Maine

Award Amount

$500,000

startupinnovation
View Grant
CORolling

Colorado Clean Energy Fund – Energy Project Accelerator Loan (Energy PAL)

Grantor

Colorado Clean Energy Fund (CCEF)

Award Amount

$500,000

Colorado businesscommercial energy project
View Grant
WIRolling

Wisconsin Office of Sustainability and Clean Energy — Renewable Energy Competitive Grants

Grantor

Wisconsin Office of Sustainability and Clean Energy (OSCE)

Award Amount

$500,000

clean energyrenewable energy
View Grant
MDRolling

Maryland Energy Administration Commercial, Industrial and Agricultural Grant Program

Grantor

Maryland Energy Administration

Award Amount

$500,000

small_businessproperty_owner
View Grant
GARolling

Georgia Power Commercial Energy Efficiency Program Rebates

Grantor

Georgia Power

Award Amount

$470,000

businessenergy_project
View Grant
GARolling

Georgia Power Commercial Energy Efficiency Program

Grantor

Georgia Power

Award Amount

$470,000

small_businesscommercial_customer
View Grant
AZRolling

SRP Business Solutions Rebates Scottsdale

Grantor

Salt River Project

Award Amount

$450,000

businessutility_customer
View Grant
AZRolling

SRP Business Solutions Rebates Tempe

Grantor

Salt River Project

Award Amount

$450,000

businessutility_customer
View Grant
SDRolling

GROW South Dakota Business Lending (Green Businesses)

Grantor

GROW South Dakota (Northeast South Dakota Economic Corporation)

Award Amount

$400,000

south dakota businessall counties
View Grant
AKRolling

Commercial Fishing Engine Fuel Efficiency Upgrade Loans

Grantor

State of Alaska

Award Amount

$400,000

commercial_fisherenergy_efficiency
View Grant
WARolling

Washington High Technology Sales and Use Tax Deferral (Clean Tech)

Grantor

Washington State Department of Revenue

Award Amount

$400,000

Washington stateenvironmental technology
View Grant
USRolling

EPA Thriving Communities Grantmaking Program – Region 5 (Great Lakes)

Grantor

EPA / Minneapolis Foundation (Regional Grantmaker)

Award Amount

$350,000

nonprofit
View Grant
USRolling

EPA Thriving Communities Grantmaking Program – Eastern Regional (Region 1-3)

Grantor

EPA / Institute for Sustainable Communities

Award Amount

$350,000

nonprofit
View Grant
VTRolling

VEDA Entrepreneurial Loan Program — Clean Energy

Grantor

Vermont Economic Development Authority (VEDA)

Award Amount

$350,000

Vermont basedseed or startup stage
View Grant
ILRolling

Nicor Gas Business Energy Efficiency Rebates

Grantor

Nicor Gas

Award Amount

$350,000

illinoisnicor_gas_customer
View Grant
MARolling

InnovateMass Clean Energy Technology Demonstration Grant

Grantor

Massachusetts Clean Energy Center (MassCEC)

Award Amount

$350,000

massachusetts basedtechnology readiness level 5 8
View Grant
NDRolling

New Venture Capital Fund

Grantor

Bank of North Dakota

Award Amount

$300,000

startupventure_backed
View Grant
Rolling

DOE Industrial Training and Assessment Centers Implementation Grants

Grantor

U.S. Department of Energy

Award Amount

$300,000

small_manufacturermedium_manufacturer
View Grant
Rolling

Industrial Assessment Centers Implementation Grants

Grantor

U.S. Department of Energy

Award Amount

$300,000

new_mexico_businessmanufacturer
View Grant
TNRolling

LaunchTN SBIR/STTR Matching Fund – Advanced Energy Innovation

Grantor

Launch Tennessee (LaunchTN)

Award Amount

$300,000

Tennessee startupSBIR awardee
View Grant
SCRolling

U.S. Department of Energy Industrial Assessment Centers Implementation Grants

Grantor

U.S. Department of Energy

Award Amount

$300,000

south_carolinamanufacturing
View Grant
CORolling

Industrial Assessment Center Implementation Grants

Grantor

U.S. Department of Energy

Award Amount

$300,000

coloradosmall_mid_sized_manufacturer
View Grant
VARolling

Virginia Agricultural BMP Cost-Share (VACS) – Green Agriculture Practices

Grantor

Virginia Department of Conservation and Recreation (DCR)

Award Amount

$300,000

farmergreen agriculture
View Grant
MDRolling

Maryland Energy Administration Commercial, Industrial and Agricultural Grant Program - Baltimore

Grantor

State of Maryland

Award Amount

$250,000

clean_energyenergy_efficiency
View Grant
CORolling

Charge Ahead Colorado EV Charging Grant

Grantor

State of Colorado

Award Amount

$250,000

clean_energyev_charging
View Grant
CORolling

Colorado Advanced Industries Early-Stage Capital and Retention Grant

Grantor

State of Colorado

Award Amount

$250,000

startupadvanced_industries
View Grant
NVRolling

Battle Born Growth Microloan Program (Green/Clean Energy Businesses)

Grantor

Nevada Governor's Office of Economic Development (GOED) / Nevada SSBCI

Award Amount

$250,000

Nevada based100 or fewer employees
View Grant
HIRolling

Harold K.L. Castle Foundation Nearshore Ocean Resiliency Grants

Grantor

Harold K.L. Castle Foundation

Award Amount

$250,000

nonprofitocean_conservation
View Grant
NJRolling

NJEDA Clean Energy Loans

Grantor

New Jersey Economic Development Authority

Award Amount

$250,000

businessnonprofit
View Grant
MDRolling

Maryland Energy Administration Commercial, Industrial and Agricultural Grant Program - Annapolis

Grantor

State of Maryland

Award Amount

$250,000

clean_energyenergy_efficiency
View Grant
VARolling

Virginia Energy Grants and Programs – Statewide Grants Tracker

Grantor

Virginia Department of Energy

Award Amount

$250,000

clean energyenergy efficiency
View Grant
LARolling

Louisiana SSBCI Collateral Support — Green Business

Grantor

Louisiana Economic Development Corporation (LEDC)

Award Amount

$250,000

small businessLouisiana based
View Grant
MDRolling

Maryland Energy Administration Commercial, Industrial and Agricultural Grant Program - Frederick

Grantor

State of Maryland

Award Amount

$250,000

clean_energyenergy_efficiency
View Grant
CORolling

Advanced Industries Early-Stage Capital and Retention Grant (Clean Energy Tech)

Grantor

Colorado Office of Economic Development and International Trade (OEDIT)

Award Amount

$250,000

Colorado based businessclean energy tech
View Grant
CARolling

Silicon Valley Power Business Energy Efficiency Rebates

Grantor

Silicon Valley Power

Award Amount

$250,000

small_businessfor_profit_business
View Grant
MARolling

MassCEC Catalyst and InnovateMass Grants

Grantor

Massachusetts Clean Energy Center

Award Amount

$250,000

startupsmall_business
View Grant
CTRolling

CT Green Bank Municipal Investment Fund Stamford Climate Pipeline

Grantor

Connecticut Green Bank

Award Amount

$250,000

clean_energyclimate_resilience
View Grant
NMRolling

NM Collateral Assistance Program (CAP) 2.0 – Clean Energy Businesses

Grantor

New Mexico Economic Development Department

Award Amount

$250,000

for profitclean energy
View Grant
MDRolling

Maryland Energy Administration Commercial, Industrial and Agricultural Grant Program - Rockville

Grantor

State of Maryland

Award Amount

$250,000

clean_energyenergy_efficiency
View Grant
USRolling

EPA Environmental Justice Small Grants Program

Grantor

Environmental Protection Agency

Award Amount

$200,000

nonprofit
View Grant
WYRolling

Wyoming Brownfields Revolving Loan Fund (WBRLF)

Grantor

Wyoming Business Council

Award Amount

$200,000

wyoming basedbrownfield redevelopment
View Grant
OHRolling

Ohio Third Frontier Technology Validation and Start-Up Fund (TVSF) - Energy Sector

Grantor

Ohio Third Frontier Commission / Ohio Department of Development

Award Amount

$200,000

Ohio startupenergy technology
View Grant

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