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Commonwealth Fusion Systems

StartupUSfounded 20182 fields

Website

Where it works

Technology
Advanced materialsManufactures high-temperature superconducting magnets for compact fusion tokamaks.
Fusion energyBuilds the SPARC tokamak and ARC power plant using high-temperature superconducting magnets.

Events

DateEvent
Apr 28, 2026CFS applies to connect ARC to the PJM gridcfs.energy· Milestone· Fusion energy
Apr 2, 2026Realta Fusion and CFS form magnetic mirror partnershipcfs.energy· Deal· Fusion energy
Jan 6, 2026CFS builds SPARC digital twin with Siemens and NVIDIAcfs.energy· Announcement· Fusion energy
Sep 30, 2025DOE validates CFS toroidal field magnet testcfs.energy· Milestone· Fusion energy

Funding

DateRoundAmount
Jul 30, 2026Equity financing$1.0B
About
Source
cfs.energy (official, added by seed)
First seen
Sep 25, 2026
Last seen
Sep 25, 2026
DateChange
Sep 25, 2026Commonwealth Fusion SystemsCompany in Fusion energy: Joined a field, Builds the SPARC tokamak and ARC power plant using high-temperature superconducting magnets.

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