Commonwealth Fusion Systems raises $1.00B Series B (United States, Aug 2026)

$1.00B
$1 billion

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Backed by Breakthrough Energy Ventures, The Engine +1 more · verified emails and LinkedIn on Datapile

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Overview of Fusion Startups Securing Over $100 Million in Funding - WEEX

About

Commonwealth Fusion Systems (CFS) is focused on developing fusion power technology to generate nearly limitless energy. The company is building Sparc, a power plant designed to achieve scientific breakeven by 2027, and has raised a total of $3.94 billion in funding to date.

Article summary

Overview of Fusion Startups Securing Over $100 Million in Funding  WEEX

Founder
Bob Mumgaard
Bob Mumgaard
CEO & Co-founder
Investors · 3
1 hidden
Breakthrough Energy VenturesLead
FUND
The Engine
FUND
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