425 Business
Helion raises $465 million Series G round
Everett-based Helion raised a $465 million Series G round led by Thrive Capital, bringing total invested capital to $1.5 billion at a $15.5 billion valuation. The money goes to commercial deployment and manufacturing capacity as the company builds its first fusion power plant, Orion, in Malaga in Central Washington, targeted for 2028.