Helion
- Headquarters
- Everett, Washington
- Employees
- 201–500
- Founded
- 2013
- Business Model
- B2B
- Total Funding
- $1.5B
- Last Round
- $465.0M Series G+Jun 2026
- Rounds
- 5
About
Nuclear fusion energy company building the world's first commercial fusion power plant; has a 50 MWe power purchase agreement with Microsoft.
Summary
Helion is a Climate Tech company based in Everett, United States, founded in 2013. It has raised $1.5B in total across 5 rounds, most recently a $465.0M Series G+ round in Jun 2026. Investors include Thrive Capital, Dustin Moskovitz and OpenAI.
Tech & App Stack
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Jun 2026
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