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 ...

As part of this initiative, CFS will use the data generated and compiled through the use of the Siemens Xcelerator portfolio of industrial software to build its SPARC fusion machine. A visual ...

"It'll go bang, bang, bang." Researchers make AI-powered breakthrough in pursuit of limitless energy source: 'Revolutionary ...

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 ...

A US-based nuclear fusion developer wants to deploy a reactor in Japan in the late 2030s or early 2040s, in line with the Asian country’s broader plans to adopt the potent, low-carbon energy source.

The DOE award demonstrates that the results of rigorous performance tests for CFS' full-scale toroidal field (TF) magnet, a key component at the heart of the company's SPARC fusion machine, have been ...

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 ...

“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 ...

The race to turn nuclear fusion into a commercial power source has shifted from laboratory curiosity to industrial mega-project, with one proposed plant in the English Midlands framed by its own ...

The agreement demonstrates CFS’ commitment to building a supply chain that helps to expand U.S. sources of critical materials for the growing fusion energy industry. Under the agreement, Materion will ...

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 ...

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 ...