Helion Raises $465M for Fusion Plant with Microsoft Deal

Helion raised $465 million in a Series G funding round, valuing the company at $15.5 billion. The startup aims to deploy its Orion power plant by 2028 if it meets its deal terms with Microsoft. Helion's fusion design harvests electricity directly from magnets, bypassing steam turbines. The company has raised $1.5 billion total, with new investors including Alta Park Capital and Bill Ford.