Helion Raises $500M — Potential $1.7B More — to Build Polaris Fusion Generator, Aiming for 2024 Demonstration in Everett, Wash.

Helion Energy raised $500 million (with up to $1.7 billion more contingent on milestones) to build its Polaris fusion generator and finish a demonstration facility in Everett, Wash., aiming to operate in 2024 and move toward commercializing fusion power.

DDavid Kirtley BBill Gates BBreakthrough Energy Ventures HHelion Energy