Few fusion startups have been as closely watched as Helion. The 12-year-old company is backed by Sam Altman, rumored to be in talks with OpenAI, and has a deal to supply Microsoft with electricity ...

Jan 28 (Reuters) - Helion, a startup working to generate electricity from nuclear fusion, on Tuesday said it has raised $425 million in venture funding from a group of investors including SoftBank ...

The firm's latest Series F round brings the total investment into Helion over the $1 billion line, and it's aiming to begin delivering power from a single fusion 50-MW plant to Microsoft by 2028.

The company is working on supply deals with major clients such as Microsoft and Nucor. Everett-based fusion energy company Helion is fueling its growth with a $425 million Series F round announced ...

Helion’s facility in Everett, Wash. (Helion Photo) Helion Energy announced a $425 million funding round that will help the Seattle-area fusion company chase the “Holy Grail” of clean energy.

Helion Energy Inc., a startup working to develop commercial fusion reactors, today announced that it has closed a $425 million late-stage funding round. The Series F deal included the ...

The Seattle-area fusion company Helion Energy is talking with OpenAI about a deal in which the AI company “would buy vast ...

Helion Energy announced a $425 million funding round that will help the Seattle-area fusion company chase the “Holy Grail” of clean energy. The company’s new investors include SoftBank ...

EVERETT — Helion received $425 million in new funding to expand its goal to build nuclear plants using fusion energy, the Everett fusion energy company announced Tuesday. This boosts the overall ...

Polaris, Helion’s seventh prototype, sits inside a 27,000-square-foot building in Everett, Washington. It took more than three years to build, which is quick by fusion industry standards.