
NRG-001 Energy & Climate · Private
Commonwealth Fusion Systems
Compact fusion tokamaks using superconducting magnets.
- Founded
- 2018
- 8 years ago
- Total raised
- $4B
- Disclosed equity, Sep 2026
- Team
- 1,117
- Headcount, Sep 2026
1 General description
MIT spinout using high-temperature superconducting magnets to shrink tokamak fusion reactors. It is building SPARC in Devens to demonstrate net fusion energy, with the ARC power plant planned for Virginia next.
2 Features
3 Specifications
| Parameter | Value |
|---|---|
| Category | Energy & Climate |
| Flagship product | SPARC |
| Headquarters | Devens, United States |
| Status | Private |
| Website | cfs.energy ↗ |
