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

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

America could lose the race to create energy from fusion, tech leaders warned, as China is dramatically outspending the U.S.

Helion plans to locate its first fusion power plant in Washington state. In 2023, it announced a power purchase agreement ...

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

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 ...

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 ...

Despite the challenges, Helion claims it will build the world’s first nuclear fusion power plant by 2028 and has already secured a purchase agreement from Microsoft.

It’s a fusion energy company called Helion that recently raised $425 million in a funding round backed by SoftBank. Prior to that it banked $375 million from Altman, who serves as Helion’s ...

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 participation ...

Building a working nuclear fusion reactor has proven to be a daunting challenge even for multiple wealthy nations, as we've seen with the much-delayed ITER project.However, a private start-up ...

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’ ...