DERolling
Energize Delaware Farm Program Rebates
Grantor
Delaware Sustainable Energy Utility
Award Amount
$100,000
agriculturefarm
View GrantClean 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
$67,292
Top eligibility tags
energy_efficiencybusiness_customerrebatesmall_business
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.
MERolling
Efficiency Maine Commercial and Industrial Incentives - Bangor
Grantor
Efficiency Maine Trust
Award Amount
$100,000
business_customerenergy_efficiency
View GrantDERolling
EDGE Grant – STEM Class (Clean Energy and Environmental Tech)
Grantor
Delaware Division of Small Business
Award Amount
$100,000
for profitsmall business
View GrantMTRolling
NorthWestern Energy Commercial Efficiency Rebates - Billings
Grantor
NorthWestern Energy
Award Amount
$100,000
business_customerenergy_efficiency
View GrantNJRolling
Clean Construction Program
Grantor
NJDEP
Award Amount
$100,000
construction contractorequipment owner
View GrantORRolling
Oregon SBIR/STTR Matching Grant Program — Clean Energy and Sustainability
Grantor
Business Oregon
Award Amount
$100,000
for profitOregon based
View GrantCTRolling
United Illuminating Small Business Energy Advantage
Grantor
United Illuminating and Energize Connecticut
Award Amount
$100,000
small_businessutility_customer
View GrantRolling
Section 30C Alternative Fuel Vehicle Refueling Property Credit
Grantor
Internal Revenue Service
Award Amount
$100,000
small_businesslarge_business
View GrantLARolling
Entergy New Orleans Energy Smart Business Incentives
Grantor
Entergy New Orleans
Award Amount
$100,000
business_customerenergy_efficiency
View GrantCARolling
Valley Water Water Efficient Technology Rebate
Grantor
Santa Clara Valley Water District
Award Amount
$100,000
businessmanufacturer
View GrantMERolling
Efficiency Maine Commercial and Industrial Incentives - Lewiston
Grantor
Efficiency Maine Trust
Award Amount
$100,000
business_customerenergy_efficiency
View GrantCARolling
Riverside Public Utilities Commercial Lighting Incentives
Grantor
Riverside Public Utilities
Award Amount
$100,000
small_businesscommercial_customer
View GrantWARolling
Washington EV Charging Station (EVSE) Grant Program
Grantor
Washington State Department of Commerce
Award Amount
$85,000
Washington stateEV charging
View GrantCARolling
Pasadena Water and Power Solar and Battery Rebate Pilot Program
Grantor
Pasadena Water and Power
Award Amount
$80,000
small_businesscommercial_customer
View GrantRIRolling
Rhode Island Renewable Energy Fund Commercial Scale Grants
Grantor
Rhode Island Commerce
Award Amount
$75,000
rhode_islandrenewable_energy
View GrantNJRolling
CSIT Clean Tech Research and Development Seed Grant
Grantor
New Jersey Commission on Science, Innovation and Technology
Award Amount
$75,000
startupclean_tech
View GrantRolling
Native American Business Development Institute Grants
Grantor
U.S. Department of the Interior
Award Amount
$75,000
tribal_governmentnative_owned
View GrantSCRolling
SC Energy Efficiency and Conservation Block Grant (SC EECBG) Competitive Program
Grantor
South Carolina Energy Office / US Department of Energy
Award Amount
$75,000
local governmentmunicipality
View GrantMARolling
MassCEC Catalyst Program
Grantor
Massachusetts Clean Energy Center
Award Amount
$75,000
startupresearch
View GrantNCRolling
NC DEQ Recycling Business Development Grant
Grantor
NC DEQ Division of Environmental Assistance and Customer Service
Award Amount
$75,000
NC businessrecycling business
View GrantMDRolling
Rockville Outreach and Restoration Grant
Grantor
City of Rockville
Award Amount
$75,000
nonprofitstormwater
View GrantRIRolling
Renewable Energy Fund (REF) - Commercial Scale Solar Grants
Grantor
Rhode Island Commerce Corporation
Award Amount
$75,000
commercial property ownerRhode Island
View GrantMARolling
MassCEC Catalyst and DICES Grants
Grantor
Massachusetts Clean Energy Center
Award Amount
$75,000
startupclean_energy
View GrantNJRolling
Clean Tech Seed Grant Program Round 3
Grantor
New Jersey Economic Development Authority (NJEDA)
Award Amount
$75,000
startup_fundingresearch_and_development
View GrantRIRolling
Innovation Voucher Program - Energy and Environment Focus
Grantor
Rhode Island Commerce Corporation
Award Amount
$75,000
small businessRhode Island business
View GrantCORolling
Denver Heat Pump Rebates for Existing Commercial Buildings
Grantor
City and County of Denver
Award Amount
$75,000
commercial_customerproperty_owner
View GrantUTRolling
Utah DEQ — Workplace Electric Vehicle Charging Funding Assistance Program
Grantor
Utah Department of Environmental Quality (DEQ)
Award Amount
$75,000
for profitnonprofit
View GrantDERolling
Delaware C-PACE Financing
Grantor
Delaware Sustainable Energy Utility
Award Amount
$75,000
property_ownerdeveloper
View GrantNMRolling
New Mexico Angel Investment Tax Credit – Clean Energy R&D
Grantor
New Mexico Taxation and Revenue Department
Award Amount
$62,500
high technology businessqualified research
View GrantWARolling
Port of Seattle Economic Development Partnership Program
Grantor
Port of Seattle
Award Amount
$60,000
any
View GrantHIRolling
Hawaii Energy Business Rebates
Grantor
Hawaii Energy
Award Amount
$50,000
business_customerenergy_efficiency
View GrantFLRolling
Solar and Energy Loan Fund Florida Business Financing
Grantor
Solar and Energy Loan Fund
Award Amount
$50,000
clean_energyenergy_efficiency
View GrantNMRolling
New Mexico Science & Technology Business Startup Grant – Clean Energy
Grantor
New Mexico Economic Development Department – Office of Science & Technology
Award Amount
$50,000
startupsmall business
View GrantMARolling
Boston Community Clean Air Grant
Grantor
City of Boston
Award Amount
$50,000
nonprofitenvironmental
View GrantIARolling
Iowa City Climate Innovation Grants
Grantor
City of Iowa City
Award Amount
$50,000
businessnonprofit
View GrantSep 29, 2029
SEEDING CRITICAL ADVANCES FOR LEADING ENERGY TECHNOLOGIES WITH UNTAPPED POTENTIAL (SCALEUP) READY
Grantor
Grantor name if different from agency
Award Amount
$50,000
startupsmall_business
View GrantJan 8, 2027
DoW’s Energy, Installations, and Environment Innovation Partners Programs
Grantor
DoW
Award Amount
$50,000
Rolling
Environmental Sustainability
Grantor
EPA Grants Division
Award Amount
$50,000
nonprofitsmall_business
View GrantNERolling
City of Bellevue CDBG Housing Rehabilitation Assistance
Grantor
U.S. Department of Housing and Urban Development
Award Amount
$50,000
homeownerlow_moderate_income
View GrantAKRolling
Alaska Alternative Energy Conservation Loan
Grantor
State of Alaska
Award Amount
$50,000
small_businesscommercial_property
View GrantCARolling
Sacramento Commercial Turf Conversion Rebates
Grantor
City of Sacramento and regional water providers
Award Amount
$50,000
businessproperty_owner
View GrantAZRolling
Scottsdale Water Commercial Grass Removal Rebate
Grantor
City of Scottsdale
Award Amount
$50,000
businessproperty_owner
View GrantRolling
Renewable Energy Systems and Energy Efficiency Improvements Program
Grantor
Energy Efficiency and Renewable Energy Office
Award Amount
$50,000
HIRolling
Hawaii SBIR Matching Grant
Grantor
State of Hawaii
Award Amount
$50,000
sbirtechnology
View GrantMNRolling
Minneapolis Green Cost Share Commercial and Multifamily Solar
Grantor
City of Minneapolis, Minnesota
Award Amount
$50,000
businessproperty_owner
View GrantFLRolling
Tampa Electric Business Energy Rebates
Grantor
Tampa Electric
Award Amount
$50,000
business_customerenergy_efficiency
View GrantSep 7, 2027
FAA Aviation Research Grants Program
Grantor
Federal Aviation Administration
Award Amount
$50,000
nonprofitstartup
View GrantRolling
Energy, Power, Control, and Networks
Grantor
Energy Research Agency
Award Amount
$50,000
FLRolling
Duke Energy Business Energy Efficiency Rebates
Grantor
Duke Energy
Award Amount
$50,000
business_customerenergy_efficiency
View GrantGARolling
Georgia Power Commercial Energy Efficiency Rebates
Grantor
Georgia Power
Award Amount
$50,000
business_customerenergy_efficiency
View GrantDec 31, 2027
NPS Cooperative Ecosystems Studies Units (CESU) Master Cooperative Agreements
Grantor
National Park Service
Award Amount
$50,000
NYRolling
NYSERDA Small Business Clean Energy Financing Program
Grantor
New York State Energy Research and Development Authority (NYSERDA)
Award Amount
$50,000
small businessenergy efficiency
View GrantVTRolling
Elevate Vermont SBIR/STTR Matching Grant — Clean Energy
Grantor
Vermont Agency of Commerce and Community Development (ACCD)
Award Amount
$50,000
Vermont based businessSBIR or STTR federal award recipient
View GrantNHRolling
City of Nashua Housing Improvement Programs
Grantor
City of Nashua
Award Amount
$50,000
homeownerlow_moderate_income
View GrantRolling
Great Lakes Restoration Initiative –Joint Venture Habitat Restoration and Protection
Grantor
Environmental Protection Agency
Award Amount
$50,000
Rolling
Long Term Research in Environmental Biology
Grantor
National Science Foundation
Award Amount
$50,000
IARolling
Iowa Renewable Fuels Infrastructure Program
Grantor
State of Iowa
Award Amount
$50,000
renewable_fuelsfuel_retailer
View GrantMIRolling
Clean Energy Workforce Development Program
Grantor
Michigan Department of Environment, Great Lakes, and Energy (EGLE)
Award Amount
$50,000
Michigan basedclean energy workforce
View GrantFLRolling
FPL Business Energy Efficiency Rebates
Grantor
Florida Power & Light
Award Amount
$50,000
business_customerenergy_efficiency
View GrantGARolling
Georgia Power Small Business Energy-Saving Upgrades
Grantor
Georgia Power
Award Amount
$50,000
small_businesscommercial_customer
View GrantGrants by state
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