Clean energy from nuclear fusion may soon be commercial. But leaders around the world have done little to prepare.

Nuclear fusion energy could become commercially viable by the early 2030s as scientists work to replicate the sun's power, ...

This round of capital is the largest raised among deep tech and energy companies since CFS' $1.8 billion Series B round in 2021. The almost $3 billion that CFS has raised to date is about one-third of ...

Discover how Commonwealth Fusion Systems is turning commercial nuclear fusion into a reality. Read about their $1.8B race for unlimited clean energy!

DEVENS, Mass., Dec. 18, 2025 /PRNewswire/ -- Commonwealth Fusion Systems (CFS), the leading and largest commercial fusion energy company, today announced that it's coming to CES, the world's largest ...

The MarketWatch News Department was not involved in the creation of this content. As part of this initiative, CFS will use the data generated and compiled through the use of the Siemens Xcelerator ...

The MarketWatch News Department was not involved in the creation of this content. -- Eni, as a CFS strategic investor, signs offtake agreement worth more than $1 billion for clean fusion power from ...

CFS says the use of this digital twin will help accelerate its efforts to commercialize fusion energy, the same source of energy powering the sun. Commonwealth Fusion’s headquarters in Devens sold for ...

“AI factories and data centers require gigawatts of electric power,” said Siemens CEO Roland Busch today at CES 2026. “What if we had an energy source that was clean, safe, affordable, and practically ...

Commonwealth Fusion Systems received the zoning approval needed for its planned Chesterfield County facility that’s expected to be the world’s first grid-scale commercial nuclear fusion power plant.

DEVENS, Mass., Aug. 28, 2025 /PRNewswire/ -- Commonwealth Fusion Systems (CFS), the largest and leading private fusion company, today announced that it raised $863 million in a Series B2 fundraising ...