Funding round
Commonwealth Fusion Systems raises $1 billion growth round

Commonwealth Fusion Systems (USA) has raised $1 billion in a growth round, announced on July 30, 2026. The company is Develops commercial fusion energy technology and power plants. The round was led by pension funds, with participation from sovereign wealth funds, infrastructure and industrial corporate partners.
Commonwealth Fusion Systems raised $1 billion in equity financing to accelerate commercialization of its SPARC fusion demonstration machine and ARC power plant.
Company
Commonwealth Fusion Systems
Amount
$1 billion (~$1B)
Round
Growth
Sector
fusion energy
Country
USA
Announced
July 30, 2026
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This deal appeared in The Daily Raise, July 30, 2026. Get the next edition in your inbox.
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