Commonwealth Fusion Systems

Google and Commonwealth Fusion Systems (CFS) announced a partnership to develop, deploy, and scale fusion power.

CFS is building a team to develop fusion energy. The page describes the work as a mission to create a new clean energy source and combat climate change.

Fusion occurs when light atoms combine to form heavier atoms, releasing energy. CFS uses tokamak machines to produce fusion, which releases no greenhouse gases.

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The company’s mission is to deliver the transition to fusion energy.

The page describes the technologies, people, and organizations involved in fusion power, including research labs, research organizations, and startups.

The world's largest and leading commercial fusion energy company

Commonwealth Fusion Systems LLC (CFS) operates the site and states that it protects visitors’ personal data.

Commonwealth Fusion Systems secures **$85 million in U.S. government funding** to develop advanced semiconductors tailored for fusion power applications. The investment supports research into specialized chips designed to meet the demands of next-generation fusion energy systems. The company aims to bridge critical gaps in semiconductor technology for a sector poised for rapid growth.

Oct 2026TechCrunchNews article

GitHubRepository owner

Commonwealth Fusion Systems may pursue an IPO within two or three years as it advances its fusion projects. The company appoints former Moderna CFO Lorence Kim, who helped take the biotech company public. CFS targets a Sparc demonstration-reactor launch later this year and scientific breakeven next year, while developing its commercial-scale Arc plant in Virginia for the early 2030s. It has sold Google half the output of its first power plant.

Jul 2026TechCrunchNews article

Commonwealth Fusion Systems announces a $1 billion funding round, bringing its total capital raised to $4 billion. The company is building Sparc, its demonstration reactor, and finalizing the design of Arc, a commercial power plant planned for Virginia; it expects Sparc to reach scientific breakeven in 2027. Eni has agreed to buy more than $1 billion of Arc’s electricity, and Google has committed to purchase 200 megawatts.

Jul 2026TechCrunchNews article