This company says its pulsed plasma machine will deliver electricity to the grid by 2029. Some physicists warn that its promises are outrunning what the technology has proved ...

In late 2024, Commonwealth Fusion Systems did something no fusion energy company had done before: it secured local government approval to build a fusion power plant with a physical connection to the U ...

Fusion energy group Helion said the company has completed a $465-million Series G investment round, increasing the Everett, Washington-based group’s valuation to $15.5 billion. Helion is among dozens ...

Fusion startup Helion raised $465M, boosting its valuation to $15.5B. The company plans to use the funds to deliver ...

Nuclear fusion energy company Helion said on Thursday it raised $465 million in its latest funding round, led by Thrive ...

Helion Energy, an Everett company seeking to produce commercial fusion energy, raised $465 million in a Series G funding ...

Sam Altman faced pointed questions Tuesday about his personal financial ties to Helion Energy, the Everett, Wash., fusion startup that’s aiming to supply vast amounts of energy to both OpenAI and ...

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OpenAI cofounder and CEO Sam Altman disclosed more than $2 billion worth of personal stakes in companies that conduct business with the ChatGPT maker, including owning a third of power company Helion ...

Sam Altman on Tuesday said his investment in nuclear energy startup Helion, which is deep in talks on a power purchasing agreement with OpenAI, has climbed to over $1.6 billion in value. That's up ...

Lead the charge in optimizing fusion plasma technology by managing a dynamic team. Drive experimental projects, oversee data analysis, and align research initiatives with organizational strategy to ...