10 companies · 29 sourced backers · 63 milestones on record
Fusion energy companies are developing machines intended to produce more energy than they consume and supply clean electricity to the grid. Their goals include turning prototypes into commercial power plants, with some also targeting industrial heat and power.
Where the 10 companies stand today, from their profiles and 10-year milestones. Tap a phase to see who is there.
- ▸Producing more energy than the entire facility consumes
- ▸Scaling prototypes into commercial power plants
- ▸Maintaining reliable, repeated operation
- ▸Delivering power at low cost
- ›Every sourced story on all frontiers, filterable by company and news type
- ›10-year milestone records for each company: demo vs shipped
- ›Explained: plain-words readiness diagrams for real breakthroughs
- ›Signal Trends of 39 frontiers covering 378 companies over time.
- ›The events calendar: launches, approvals and deadlines ahead
- Commonwealth Fusion Systems
CFS's stated goal is to build fusion power plants that put more energy onto the grid than they consume — net energy gain — and to deliver commercial fusion e…
Lab · backed by Breakthrough Energy, Temasek
- Focused Energy
Full success would be a laser fusion power plant that achieves high energy gain from its fuel targets and delivers electricity to the grid.
Lab · backed by Prime Movers Lab
- Helion Energy
Helion's stated goal is to deliver commercial fusion electricity to the grid — it has signed an agreement to supply power to Microsoft from a first plant tar…
Lab
- Mazama Energy
Full success would be commercial superhot-rock geothermal plants that tap very high underground temperatures to produce abundant, around-the-clock clean elec…
Trials · backed by Centaurus Capital, Doerr Capital
- Pacific Fusion
Full success would be a fusion facility that produces more energy than the entire facility consumes ('net facility gain') and can be scaled into a commercial…
Lab · backed by Breakthrough Energy
- Realta Fusion
Full success would be a compact, commercially viable fusion device delivering clean energy, with early applications aimed at industrial heat and power.
Lab · backed by Breakthrough Energy Fellows
- SHINE Technologies
Full success would be progressing through its four-phase plan — from neutron testing and medical isotopes to nuclear waste recycling and ultimately fusion en…
Some users · backed by Baillie Gifford, Deerfield Management
- TAE Technologies
To build a commercial fusion power plant that delivers clean, around-the-clock electricity to the grid.
Lab · backed by Google, Venrock
- Type One Energy
Full success would be a commercial stellarator fusion power plant ('Infinity Two') delivering electricity to the grid, reached via a prototype machine ('Infi…
Lab · backed by Breakthrough Energy Ventures, TDK Ventures
- Zap Energy
Full success = a working fusion power plant that puts clean electricity on the grid — which first requires proving the machine can produce more energy than i…
Lab · backed by Soros Fund Management
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