Fusion grants in the United States
Explore Fusion grants for companies in the United States. This list brings together funding for fusion research, plasma science, materials, magnets and fusion supply chains from US innovation agencies, research funders and foundations, international programs open to applicants in the United States, and competitions any company can enter, with the deadline, award size and eligibility on every listing. Grants aimed at Fusion in the United States come first.
Showing 1-24 of 220 grants
Plasma Physics
🇺🇸NSF · United States
Funds the physics of plasma — magnetised, high energy density, low temperature, dusty and ultra-cold — with 25 awards expected.
Genesis Mission AI FOA — Phase I and Phase II (FES)
🇺🇸DOE FES · United States
Supports AI-enabled fusion and plasma research with continuation pathways for strong performers.
The Genesis Mission: Transforming Science and Energy with AI
🇺🇸DOE SC · United States
Supports AI for science progress from early concept stages toward national-scale implementation.
ARPA-E SCALEUP Ready
🇺🇸ARPA-E · United States
Funds United States alumni technologies moving from prior support into commercial pilots and scale-out activity.
Continuation of Solicitation for the DOE Office of Science Financial Assistance Program
🇺🇸DOE SC · United States
Supports unsolicited basic research proposals across all Office of Science thematic areas in the United States.
FES Continuation Solicitation
🇺🇸DOE FES · United States
Supports fusion, plasma, and high-energy-density research partnerships blending public and private work.
INFUSE RFA Cycle
🇺🇸DOE FES · United States
Supports private fusion companies through annual partnerships with national laboratories.
Milestone-Based Fusion Development Program — Expansion
🇺🇸DOE FES · United States
Helps research teams and institutions for Milestone Based Fusion Development Expansion in energy systems and fusion research.
ARPA-E OPEN (next cycle)
🇺🇸ARPA-E · United States
Funds high-risk energy technologies in United States with cross-cutting potential for climate and industrial transformation.
DOE SBIR Phase II
🇺🇸DOE · United States
Funds U.S. small businesses advancing energy and science technologies from proven feasibility into prototype development through DOE's Phase II SBIR award.
ARPA-E Focused Technology Programs
🇺🇸ARPA-E · United States
Supports United States transformational technology workstreams such as fusion materials, advanced batteries, and carbon capture.
DOE Early Career Research Program
🇺🇸DOE SC · United States
Funds research teams and institutions for DOE Early Career Research in energy systems, artificial intelligence, and quantum systems.
DOE Energy Frontier Research Centers
🇺🇸DOE SC · United States
Backs research teams and institutions for DOE Energy Frontier Research Centers in energy systems, materials science, and quantum systems.
Energy Frontier Research Centers — 8th Class
🇺🇸DOE SC · United States
Supports multidisciplinary research centers tackling fundamental energy science grand challenges.
FES Early Career Research Program
🇺🇸DOE FES · United States
Supports research teams and institutions for FES Early Career Research in energy systems and fusion research.
FY 2026 Continuation of Solicitation for the Office of Science Financial Assistance Program
🇺🇸DOE SC · United States
Funds DOE Office of Science research in computing, energy sciences, biology, fusion, high-energy and nuclear physics, and isotopes — open to any applicant type.
Milestone-Based Fusion Development Program — Between
🇺🇸DOE FES · United States
Supports private fusion teams through milestone-based programs advancing through development gates.
MPS Physics Research Programs (MPS Physics)
🇺🇸NSF · United States
Funds every NSF physics programme through one door — quantum information, particle physics, plasma, gravity and more, from $180 million.
Title 17 Section 1703 Innovative Clean Energy
🇺🇸DOE LPO / EDF · United States
Supports clean energy projects in fossil, nuclear, and renewable tracks through federal financing pathways.
ARPA-E IGNIITE (Early-Career Innovators)
🇺🇸ARPA-E · United States
Supports United States early-career energy researchers building disruptive energy solutions beyond conventional approaches.
DOE Office of Science Open Solicitation
🇺🇸DOE SC · United States
Connects research teams and institutions for DOE Office of Science Solicitation in artificial intelligence, energy systems, and fusion research.
BIG Idea Competition
🇺🇸BIG Idea SD · United States
Pays high school students in South Dakota, North Dakota and Minnesota cash prizes and scholarships for their best business idea.
Y Combinator Accelerator Program
🇺🇸YC · United States
Runs Y Combinator Accelerator for early-stage startups with a three-month batch, investment, and mentoring support.
NSF Small Business Innovation Research Program (SBIR/STTR)
🇺🇸NSF · United States
Gives U.S. small businesses non-dilutive R&D funding for high-risk, high-impact deep-tech across nearly every technical field, from a Phase I award through a larger Phase II award.