Thea Energy Raises $100 Million for Eos Fusion Reactor as Total Funding Reaches $130 Million
Updated
Updated · TechCrunch · May 27
Thea Energy Raises $100 Million for Eos Fusion Reactor as Total Funding Reaches $130 Million
3 articles · Updated · TechCrunch · May 27
$100 million in oversubscribed Series B funding gives Thea Energy fresh capital to scale production of its fusion magnets and start building its Eos demonstration reactor next year.
The round, led by U.S. Innovative Technology Fund, lifts Thea's total private funding to $130 million after a $20 million Series A in early 2024.
Thea is betting its software-controlled, rectangular magnets can mimic a stellarator's complex magnetic field while simplifying manufacturing; the company says tests showed the system could compensate for misaligned magnets.
Eos is targeted for completion in 2030, with a commercial Helios reactor planned for 2034, putting Thea broadly on the same timetable as rivals pursuing early-2030s fusion plants.
Can Thea Energy's novel magnet design overcome a massive funding gap with its main fusion competitor?
Beyond magnet design, how will Thea's reactor materials survive the extreme heat and radiation needed for commercial fusion?
Does shifting fusion's complexity from hardware to software create new, potentially greater, points of failure?