Helion raises $425M to help build a fusion reactor for Microsoft | TechCrunch
Briefly

Helion, a fusion startup, is gaining attention for its ambitious plans to generate electricity from fusion power. The company has secured a significant $425 million in funding, elevating its valuation to $5.245 billion. Its latest prototype, Polaris, is expected to be the first fusion reactor to supply energy by 2028 under a deal with Microsoft. Helion's CEO, David Kirtley, emphasizes the challenges of securing crucial components like semiconductors and capacitors while expressing confidence in their ability to meet deadlines through in-house manufacturing.
"In AI, what's the big challenge? Getting the chips. In fusion, what's the big challenge? Getting the chips," said CEO David Kirtley. "Polaris is 50,000 of these large-scale, pulse-power semiconductors, and getting those set the timeline."
"Our goal is to go from waiting three years for a supplier to give us capacitors to us making our own capacitors but faster, so now we can make them in a year or less," Kirtley explained.
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