Clean Energy & Renewables Grants
Open and forecasted clean energy & renewables grants for US nonprofits, governments, and businesses.
36open & forecasted grants
Federal Agency · NASA Headquarters
ROSES25: D.8 Habitable Worlds Observatory Precursor Science Investigation
Funding amount not specified·Closes October 26, 2026 (3 days left)
State Agency · Public Utilities Commission
LA County TECH (CEA-LAT) Grant – Round 3
Funding amount not specified·Closes October 30, 2026 (7 days left)
Federal Agency · NASA Headquarters
ROSES25: A.15 Biosphere
Funding amount not specified·Closes November 6, 2026 (14 days left)
Federal Agency · NASA Headquarters
ROSES25: C.4 Planetary Science Enabling Facilities
Funding amount not specified·Closes November 10, 2026
Federal Agency · NASA Headquarters
ROSES 2025: C.2 Solar System Science
Funding amount not specified·Closes November 12, 2026
Federal Agency · NASA Headquarters
ROSES25: A.14 Atmosphere
Funding amount not specified·Closes December 2, 2026
Federal Agency · NASA Headquarters
ROSES 2025: D.4 Theoretical and Computational Astrophysics Networks
Funding amount not specified·Closes December 3, 2026
Federal Agency · NASA Headquarters
ROSES 2025: A.16 Cryosphere
Funding amount not specified·Closes December 4, 2026
Federal Agency · NASA Headquarters
Solar System Exploration Research Virtual Institute Cooperative Agreement Notice-5 (SSERVI CAN-5)
Funding amount not specified·Closes December 4, 2026
Federal Agency · NASA Headquarters
ROSES 2025: A.4 Rapid Response and Novel Research in Earth Science
Funding amount not specified·Closes December 31, 2026
Federal Agency · NASA Headquarters
ROSES 2025: A.18 Geosphere
Funding amount not specified·Closes January 15, 2027
Federal Agency · NASA Headquarters
ROSES 2025: A.17 Hydrosphere
Funding amount not specified·Closes January 28, 2027
Federal Agency · NASA Headquarters
ROSES 2025: B.8 Heliophysics Spaceflight Science Foundations
Funding amount not specified·Closes February 5, 2027
Federal Agency · U.S. National Science Foundation
Coupling, Energetics, and Dynamics of Atmospheric Regions
$100K – $750K·Closes March 3, 2027
Federal Agency · NASA Headquarters
ROSES 2025: B.7 The Heliophysics Low-Cost Access to Space
Funding amount not specified·Closes March 16, 2027
Federal Agency · Advanced Research Projects Agency Energy
SEEDING CRITICAL ADVANCES FOR LEADING ENERGY TECHNOLOGIES WITH UNTAPPED POTENTIAL (SCALEUP) READY
$5M – $20M·Closes September 29, 2029
Federal Agency · Advanced Research Projects Agency Energy
SPURRING PROJECTS TO ADVANCE ENERGY RESEARCH AND KNOWLEDGE SWIFTLY (SPARKS)
$0 – $500K·Closes September 30, 2029
Federal Agency · Idaho Field Office
University Nuclear Leadership Program– Scholarship and Fellowship Support
Up to $3M·Closes October 14, 2030
Federal Agency · U.S. National Science Foundation
Atmospheric and Geospace Sciences Postdoctoral Research Fellowships (AGS-PRF)
From $202K·Closes October 7, 2076
Federal Agency · U.S. National Science Foundation
MPS Astronomical Sciences Research Programs (MPS Astro)
Funding amount not specified·Closes October 7, 2076
Federal Agency · U.S. National Science Foundation
Catalysis
Funding amount not specified·Rolling / no fixed deadline
Federal Agency · U.S. National Science Foundation
Centers of Research Excellence in Science and Technology - Research Infrastructure for Science and Engineering
$100K – $2M·Rolling / no fixed deadline
Federal Agency · U.S. National Science Foundation
Combustion and Fire Systems
Funding amount not specified·Rolling / no fixed deadline
State Agency · CA Energy Commission
Cost Share for Federal Clean Energy Funding Opportunities-EPIC Program
Funding amount not specified·Rolling / no fixed deadline
State Agency · CA Energy Commission
Cost Share for Federal Funding Opportunities Industrial Decarbonization and Improvement of Grid Operations (INDIGO) Program and Food Production Investment Program (FPIP)
Funding amount not specified·Rolling / no fixed deadline
Funder · Cynthia and George Mitchell Foundation
Cynthia and George Mitchell Foundation — Sustainability Education Grants
Funding amount not specified·Rolling / no fixed deadline
Federal Agency · U.S. National Science Foundation
Electrochemical Systems
Funding amount not specified·Rolling / no fixed deadline
Federal Agency · U.S. National Science Foundation
Energy, Power, Control, and Networks (EPCN)
Funding amount not specified·Rolling / no fixed deadline
Federal Agency · U.S. National Science Foundation
Fluid Dynamics
Funding amount not specified·Rolling / no fixed deadline
Federal Agency · U.S. National Science Foundation
Geospace Cluster
Funding amount not specified·Rolling / no fixed deadline
State Agency · CA Energy Commission
GFO-21-901 – Cost Share for Federal Clean Energy Funding Opportunities
Funding amount not specified·Rolling / no fixed deadline
State Agency · CA Energy Commission
PON-24-002 – K–12 Energy Efficiency Program (KTEP)
Funding amount not specified·Rolling / no fixed deadline
Federal Agency · Rural Business-Cooperative Service
Renewable Energy Systems and Energy Efficiency Improvements Program
$1K – $500K·Rolling / no fixed deadline
Federal Agency · Rural Business-Cooperative Service
Renewable Energy Systems and Energy Efficiency Improvements Program
$1K – $500K·Rolling / no fixed deadline
Federal Agency · U.S. National Science Foundation
Thermal Transport Processes
Funding amount not specified·Rolling / no fixed deadline
Funder · Tennessee State Library and Archives
Training Opportunities for the Public (TOP) Grant
Up to $20K·Rolling / no fixed deadline
GrantRegister provides information, not advice. Eligibility requirements and deadlines are set by the funder and can change without notice. Confirm eligibility, deadlines, and requirements with the issuing organization before applying.