The company raised $425 million in January 2025, around the same time that it turned on Polaris, a prototype reactor. Helion ...

Investors are pouring billions into fusion companies, encouraged by breakthroughs that they contend have put a sustained ...

Polaris, Helion’s seventh prototype, sits inside a 27,000 square-foot building in Everett, Washington. It took more than ...

The global fusion energy market, driven by international collaborations and private ventures, is advancing rapidly with a focus on magnetic and inert ...

Helion just raised $425 million in fresh funding for its bid to be the first to produce electricity through nuclear fusion. That brings the total investment into Helion to $1 billion, and it's ...

And Helion is not the sole company chasing fusion dreams in Washington state. Zap Energy and Avalanche Energy are also in pursuit of energy’s “Holy Grail” for essentially limitless power.

Fusion energy developer Helion Energy has broken ground on a new facility in Everett, Washington, which will house its seventh generation fusion prototype, known as Polaris. Construction of the ...

Helion Energy CEO and co-founder David Kirtley talks to Gov. Jay Inslee about Trenta, Helion’s sixth fusion prototype, during a tour of their facility on July 9 in Everett.

Nuclear fusion startup Helion to build ‘world’s first’ power plant after raising $425 million. Helion Energy says it will ‘keep pushing to do what no one has done before’ ...

The Everett-based company hit a valuation of more than $5.4 billion with the raise. Everett-based fusion energy company Helion on Tuesday raised a $425 million Series F round. The company is now ...

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 ...