
Polaris is Helion Energy’s seventh-generation nuclear fusion prototype, designed to demonstrate the world’s first electricity production from a fusion device. It is a 60-foot-long Field-Reversed Configuration (FRC) generator that uses magnetic compression to heat plasma to 150 million degrees Celsius, a milestone achieved in early 2026. Helion Energy
Helion Energy has secured the regulatory licenses needed to begin building and operating the world’s first nuclear fusion power plant in Malaga, Washington, the company said June 16.
The Washington Department of Health (DOH) approved Helion’s Radioactive Materials License and Radioactive Air Emissions License for the company’s Orion facility, located about 150 miles east of Seattle in Chelan County.

