Duke Energy Business Energy Efficiency Rebates
Grantor
Duke Energy
Award Amount
$50,000
Clean Energy and Sustainability Grants funding
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
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
$35,292
Top eligibility tags
Featured grants
Grants in Clean
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.
Grantor
Duke Energy
Award Amount
$50,000
Grantor
Georgia Power
Award Amount
$50,000
Grantor
National Park Service
Award Amount
$50,000
Grantor
Vermont Agency of Commerce and Community Development (ACCD)
Award Amount
$50,000
Grantor
City of Nashua
Award Amount
$50,000
Grantor
N/A
Award Amount
$50,000
Grantor
National Science Foundation
Award Amount
$50,000
Grantor
State of Iowa
Award Amount
$50,000
Grantor
Florida Power & Light
Award Amount
$50,000
Grantor
Georgia Power
Award Amount
$50,000
Grantor
South Carolina Energy Office
Award Amount
$50,000
Grantor
Connecticut Green Bank
Award Amount
$50,000
Grantor
NeighborWorks Great Falls
Award Amount
$50,000
Grantor
Downtown Development Authority of Colorado Springs
Award Amount
$50,000
Grantor
Georgia Green Loans
Award Amount
$50,000
Grantor
JobsOhio
Award Amount
$50,000
Grantor
Georgia clean energy finance partners
Award Amount
$50,000
Grantor
N/A
Award Amount
$50,000
Grantor
Mississippi Development Authority
Award Amount
$50,000
Grantor
Massachusetts Department of Agricultural Resources (MDAR)
Award Amount
$50,000
Grantor
N/A
Award Amount
$50,000
Grantor
City of Tempe
Award Amount
$50,000
Grantor
City of Lincoln
Award Amount
$50,000
Grantor
Grantor name if different from agency
Award Amount
$50,000
Grantor
Environmental Research Fund
Award Amount
$50,000
Grantor
City of Great Falls
Award Amount
$50,000
Grantor
NOAA
Award Amount
$50,000
Grantor
City of Bloomington
Award Amount
$45,000
Grantor
Arkansas Department of Environmental Quality (ADEQ)
Award Amount
$45,000
Grantor
Montana Department of Environmental Quality – Montana Energy Office
Award Amount
$40,000
Grantor
Montana Department of Environmental Quality
Award Amount
$40,000
Grantor
West Virginia Office of Energy
Award Amount
$37,000
Grantor
Minnesota Department of Employment and Economic Development (DEED)
Award Amount
$35,000
Grantor
USDA Northeast SARE / Rutgers Cooperative Extension
Award Amount
$30,000
Grantor
Los Angeles Department of Water and Power
Award Amount
$30,000
Grantor
Idaho Governor's Office of Energy and Mineral Resources
Award Amount
$30,000
Grantor
NJEDA / CSIT
Award Amount
$25,000
Grantor
Efficiency Vermont (VEIC)
Award Amount
$25,000
Grantor
U.S. Department of Energy and State of Wyoming
Award Amount
$25,000
Grantor
West Virginia Office of Energy
Award Amount
$25,000
Grantor
State of North Dakota
Award Amount
$25,000
Grantor
City of East Lansing
Award Amount
$24,999
Grantor
Pasadena Water and Power
Award Amount
$24,000
Grantor
State of New Mexico
Award Amount
$20,000
Grantor
Idaho State Tax Commission
Award Amount
$20,000
Grantor
City of Independence, Missouri
Award Amount
$20,000
Grantor
City of Minneapolis, Minnesota
Award Amount
$20,000
Grantor
Rhode Island Commerce
Award Amount
$20,000
Grantor
East Bay Municipal Utility District
Award Amount
$20,000
Grantor
Park City Chamber and Visitors Bureau
Award Amount
$20,000
Grantor
City of Fresno
Award Amount
$15,000
Grantor
Massachusetts Department of Energy Resources (DOER)
Award Amount
$15,000
Grantor
Massachusetts Department of Energy Resources (DOER)
Award Amount
$15,000
Grantor
Rhode Island Commerce Corporation
Award Amount
$14,500
Grantor
U.S. Department of Housing and Urban Development
Award Amount
$12,000
Grantor
Rhode Island Commerce
Award Amount
$10,000
Grantor
City of Iowa City
Award Amount
$10,000
Grantor
Grantor not listed
Award Amount
$10,000
Grantor
City and County of Denver
Award Amount
$10,000
Grantor
ComEd
Award Amount
$10,000
Ready to apply?