Ashlee VanceNYT Best Seller | Reporter at Bloomberg Businessweek

The Electricity Factory Behind Helion Energy #nuclear #electricity #engineering #technology

18 Dec 2025 · 1 min

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In this segment of the Helion Energy video, three speakers discuss the company's Polaris power‑supply system, highlighting its massive capacitor bank that stores over 60 megajoules of electrical energy—claimed to be the largest magnetic‑pulse power bank on Earth. They then address external skeptics who criticize Helion for not publishing research, label its methods as science‑fiction, and question whether the system can actually generate extra electricity. Finally, the conversation touches on internal cultural friction, contrasting the hands‑on machinists and builders with the PhD‑trained scientists, and the perception that the team may be lacking enough academic experts.

You're in Ursa. This is actually the power supplies that run Polaris. This capacitor bank in units is over 60 megajoules of electrical energy. This is the largest magnetic pulse power bank on the planet right now.
The Helion skeptics out there doubt that any of this will work. They complain that the company doesn't publish any of its research, that its techniques remain science fiction, and that there's just no way this thing makes extra electricity.
There was one story. It was kind of giving you guys grief, giving you some shit for the machinists, the builders versus like the PhD types. And they were sort of saying you're low on PhD types.
Having scientists that understand fusion physics that are the best scientists in the world is really, really important. Same with the high voltage electrical engineers that designed this. But at the end of the day, what we found is to be able to do science quickly, to be able to learn fast, to iterate, to learn about the natural world as fast as you can. It all comes down to the building.