Commonwealth Fusion Systems

Mid National Level Public Record

Editorial estimate, not verified fact — Disclaimer

Nuclear fusion technology developer and power company

Data Confidence: 87% · Sources: 6 · Last Updated: Sep 18, 2026

Net Worth ▲: $8.0B
Reach ▲: 15.0M people
Power ▲: Commonwealth Fusion Systems commands over $3 billion in raised private capital, proprietary high-temperature superconducting magnet designs, and specialized manufacturing facilities in Massachusetts.
Influence ▲: The company's technological milestones and commercial partnerships, including a power plant development project with Dominion Energy, heavily influence global clean-energy investment and fusion policy.
Network ▲: CFS maintains a premier capital and research network, backed by Bill Gates, Jeff Bezos, Khosla Ventures, Engine Ventures, Nvidia, and MIT.
Legacy ▲: CFS has played a defining role in shifting nuclear fusion from long-term academic research into a private-sector enterprise driven by commercial timelines.
Trajectory ▲: Stable — first assessment on record.

About

Commonwealth Fusion Systems (CFS) is an American nuclear fusion energy company founded in 2018 as a spin-off from the Massachusetts Institute of Technology. Headquartered in Devens, Massachusetts, CFS specializes in high-temperature superconducting magnets and compact tokamak reactor technology. The company's marquee project, SPARC, aims to demonstrate net energy output from nuclear fusion, laying the groundwork for its planned commercial power plant, ARC.