US EditionCommonwealth Fusion Systems Raises $863M - Washington Business Journal
Commonwealth Fusion Systems secured $863 million in Series B2 funding to complete SPARC and develop ARC, advancing toward commercial fusion energy with nearly $3 billion raised to date.
- On August 28, 2025, Commonwealth Fusion Systems secured $863 million in a Series B2 funding round in Devens, Massachusetts.
- This funding follows CFS's 2021 $1.8 billion Series B round and reflects growing investor confidence in commercial fusion power development.
- CFS will use the capital to complete the SPARC fusion demonstration plant and advance the ARC commercial power plant project in Virginia.
- CEO Bob Mumgaard said the funding recognizes CFS’s leadership in delivering clean, nearly limitless energy and enables investors to join a new global industry.
- While SPARC aims to achieve scientific breakeven by 2027, CFS will need billions more to build ARC, which targets grid-scale fusion power by the early 2030s.
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CFS closes $863M, bringing in new investors NVentures and ...
·Washington, United States
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technewstube.comNvidia, Google, and Bill Gates help Commonwealth Fusion Systems raise $863M
Commonwealth Fusion Systems has raised nearly $3 billion to commercialize its fusion power plant. It hopes to send electricity to the grid in the early 2030s.
·United States
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Commonwealth Fusion raises nearly $1B to chase commercial fusion power
Commonwealth Fusion Systems just raised $863 million in additional funding as the company works to achieve the decades-old dream of commercializing nuclear fusion. On Thursday, CFS said that, with its Series B2 funding round , the startup has raised about $3 billion in capital since it was spun out of the…
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