SPARC
Under construction
- Status
- Under construction
- Location
- Devens, MA
- Reactor developer
- Commonwealth Fusion Systems
- Type
- Fusion plant
Reactor developer1
Reactor developer
-
CFS is building this demonstration tokamak at its Devens campus. The page doesn't say who operates it, so no operator link.
“We’re building SPARC at our 60-acre campus in Devens, Massachusetts, where a team of physicists, welders, technicians, computer scientists, and more are working together to make it happen.”
- 1 SPARC: Proving commercial fusion energy is possible | Commonwealth Fusion Systems cfs.energy · checked 2026-10-24
Nuclear Directory. “SPARC.” https://nuclear-directory.org/plants/sparc. Accessed 4 November 2026.