Commonwealth Fusion Systems

Fusion company building the SPARC tokamak and planning the ARC fusion power plant. ¹ ²

Reactor developerFusion

Deals and links 8

U.S. Department of Energy funds Commonwealth Fusion Systems Selected (May 2023) in the $46M Milestone-Based Fusion Development Program; payments only on verified milestones.
“Commonwealth Fusion Systems (CFS) has been selected by the U.S. Department of Energy (DOE) as an awardee in its $46 million milestone-based commercial fusion energy development program, a program designed to solidify U.S. leadership in commercial fusion energy.”

⁴cfs.energy · checked 2026-10-10 High confidence Report a correction: U.S. Department of Energy funds Commonwealth Fusion Systems
Breakthrough Energy Ventures invests in Commonwealth Fusion Systems Existing investor that increased its stake in CFS's $863M Series B2 (Aug 2025). Completed.
“They join existing CFS investors who increased their stakes, including Breakthrough Energy Ventures; Emerson Collective; Eni; Future Ventures; Gates Frontier; Google; Hostplus Superannuation Fund; Khosla Ventures; Lowercarbon Capital; Safar Partners; Eric Schmidt, former CEO of Google; Starlight Ventures; Tiger Global; a large state pension fund and others who support CFS’ leadership in this energy transition.”

³cfs.energy · checked 2026-10-10 High confidence Report a correction: Breakthrough Energy Ventures invests in Commonwealth Fusion Systems
Google invests in Commonwealth Fusion Systems Equity investor since 2021; increased stake in June 2025 (terms undisclosed) and participated in the Aug 2025 Series B2.
“An investor in CFS since 2021, Google also is deepening its relationship with CFS by increasing its stake in the company.”

¹cfs.energy · checked 2026-10-10 High confidence Report a correction: Google invests in Commonwealth Fusion Systems
Khosla Ventures invests in Commonwealth Fusion Systems Existing investor that increased its stake in CFS's Series B2 (Aug 2025). Completed.
“They join existing CFS investors who increased their stakes, including Breakthrough Energy Ventures; Emerson Collective; Eni; Future Ventures; Gates Frontier; Google; Hostplus Superannuation Fund; Khosla Ventures; Lowercarbon Capital; Safar Partners; Eric Schmidt, former CEO of Google; Starlight Ventures; Tiger Global; a large state pension fund and others who support CFS’ leadership in this energy transition.”

³cfs.energy · checked 2026-10-10 High confidence Report a correction: Khosla Ventures invests in Commonwealth Fusion Systems
Lowercarbon Capital invests in Commonwealth Fusion Systems Existing investor that increased its stake in CFS's Series B2 (Aug 2025). Completed.
“They join existing CFS investors who increased their stakes, including Breakthrough Energy Ventures; Emerson Collective; Eni; Future Ventures; Gates Frontier; Google; Hostplus Superannuation Fund; Khosla Ventures; Lowercarbon Capital; Safar Partners; Eric Schmidt, former CEO of Google; Starlight Ventures; Tiger Global; a large state pension fund and others who support CFS’ leadership in this energy transition.”

³cfs.energy · checked 2026-10-10 High confidence Report a correction: Lowercarbon Capital invests in Commonwealth Fusion Systems
Google offtakes from Commonwealth Fusion Systems Signed PPA (June 2025) for 200 MW from CFS's first ARC plant, with option on future plants.
“Google signed a power purchase agreement (PPA) for 200 megawatts (MW) of electricity from CFS’ inaugural ARC power plant, which CFS expects will put power on the grid in the early 2030s, in Chesterfield County, Virginia.”

¹cfs.energy · checked 2026-10-10 High confidence Report a correction: Google offtakes from Commonwealth Fusion Systems

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Dominion Energy supplies Commonwealth Fusion Systems Signed agreement (Dec 2024): non-financial collaboration - development and technical expertise plus leasing rights for the ARC site in Chesterfield County, VA.
“The Virginia utility will provide CFS with development and technical expertise that’ll help connect the first ARC fusion power plant to the grid. In addition, Dominion will offer leasing rights for the planned site for the ARC fusion power plant.”

⁵cfs.energy · checked 2026-10-10 High confidence Report a correction: Dominion Energy supplies Commonwealth Fusion Systems
Commonwealth Fusion Systems supplies Type One Energy License agreement (2025): Type One licensed CFS's HTS cable technology for its stellarator magnets. Completed/signed license.
“Type One Energy licensed CFS’ groundbreaking high-temperature superconducting (HTS) cable technology to develop magnets for its fusion machine, a type of device called a stellarator.”

⁵cfs.energy · checked 2026-10-10 High confidence Report a correction: Commonwealth Fusion Systems supplies Type One Energy

Plants and sites 1

Commonwealth Fusion Systems owns Fall Line Fusion Power Station Fusion plant · Planned · VA · Planned, ~400 MWe, early 2030s; site leased from Dominion Energy Virginia.

⁶world-nuclear-news.org · checked 2026-10-10 ¹cfs.energy ⁷cfs.energy High confidence Report a correction: Commonwealth Fusion Systems owns Fall Line Fusion Power Station

Sources 7

1 https://cfs.energy/news-and-media/google-and-commonwealth-fusion-systems-sign-strategic-partnership/ cfs.energy · published 2025-06-30
2 https://cfs.energy cfs.energy
3 https://cfs.energy/news-and-media/commonwealth-fusion-systems-raises-863-million-series-b2-round-to-accelerate-the-commercialization-of-fusion-energy cfs.energy · published 2025-08-28
4 https://cfs.energy/news-and-media/cfs-doe-milestone-fusion-development-program/ cfs.energy · published 2023-05-31
5 https://cfs.energy/company/commercial-partners/ cfs.energy
6 https://world-nuclear-news.org/articles/virginia-site-selected-to-host-fusion-power-plant world-nuclear-news.org · published 2024-12-18
7 https://cfs.energy/technology/arc cfs.energy