
- Helion has officially begun construction of its Orion fusion power plant in Chelan County, Washington, marking a major milestone in commercial fusion development.
- The plant supports Helion’s 2023 agreement to supply electricity to Microsoft by 2028, with Constellation Energy acting as the power marketer.
- The project is advancing through Washington’s SEPA permitting process, with ongoing collaboration across local, state, and tribal stakeholders.
Helion, a Washington-based fusion energy company, has started development on the site of its first fusion power plant, Orion, a move that positions it at the forefront of commercial fusion energy.

