The reactor under construction at Commonwealth Fusion Systems in Devens, Mass., is one of at least 43 private-industry ...

With Polaris, their seventh-generation reactor, due to demonstrate net electricity by 2024, Helion could leap ahead in the race for fusion power. Real Engineering Posted: May 27, 2025 | Last ...

With this unprecedented investment, this could be fusion’s moment. The Altman-backed Helion Energy promises the age of fusion power will begin in Washington State by 2028, with an operational 50 ...

Fusion energy start-up Marvel Fusion has raised €113mn in new funding as Germany steps up its efforts to compete in the global race to create zero carbon power by combining atoms.

Helion heats two different isotopes of helium and hydrogen into plasma, confines it with magnets, and then compresses it using a strong magnetic field until it gets to a temperature of about 100 ...

Helion Energy has secured $425 million in funding as it accelerates plans to deliver the first commercial fusion power plant by 2028, aiming to supply Microsoft with clean energy.

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 ...

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 ...

Fusion produces a huge surge of energy all at once and so far no one has been able to control and harness that. Helion thinks its simpler system will help, but has yet to prove it can do it ...