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Raise Lens

Fusion and Nuclear funding

Live grants, contracts, and funders working on fusion and nuclear in 2026.

Grants and milestone-based programmes for fusion, advanced fission and small modular reactors. Led by the US DOE (Milestone-Based Fusion Development, ARPA-E), the UK Atomic Energy Authority and STEP, ARIA, and EU Horizon Euratom calls.

Raise Lens tracks 54 open fusion and nuclear opportunities across grants, government contracts, and corporate offtake programmes, refreshed daily. The list below shows the next deadlines, the most active funders, and when fusion and nuclear cheques are landing this quarter.

49grants4contracts1subcontracts & accelerators

Live opportunities

Active funders

Deadline calendar

Fusion and Nuclear grants closing in the next 90 days, grouped by urgency. Each card opens the grants listed in that window.

Get the full fusion and nuclear feed

Match scores, alerts when new programmes open, and the complete listing of every fusion and nuclear opportunity, across grants, government contracts, and offtake programmes.