Helion Energy
Helion Energy develops commercial fusion power plants using pulsed magnetic compression technology to generate carbon-free electricity. Its systems are designed to provide continuous, scalable, and safe energy for customers such as utilities and large enterprises. The organization's mission is to fully satisfy the world's need for clean, abundant energy.
Facts
- HQ
- Everett
- Sectors
- Renewable Energy Power Generation
- Founded
- 2013
- Type
- Corporation Seattle business license
- Employees
- 595
- Registered name
- Helion Energy Inc Seattle business license
- Stage
- startup
- Founders
- DAVID KIRTLEY, Chris Pihl, George Votroubek, Anthony Pancotti, John Slough
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Helion Energy Gets Jeopardy! Mention; CEO David Kirtley Celebrates as Startup Advances Toward Fusion Power
Helion Energy got a mainstream shoutout when it was featured as an answer on Jeopardy! in a Y Combinator category, prompting CEO David Kirtley to celebrate the moment on LinkedIn and note growing mainstream interest in fusion.
Helion raises $425M Series F at $15.5B valuation to build 50 MW Orion fusion plant for Microsoft targeting 2028
Helion Energy closed a $425 million Series F at a $15.5 billion valuation to fund its 50 MW Orion fusion plant aimed to supply Microsoft by 2028, and has demonstrated >100 million °C plasma in its Polaris prototype while obtaining state radioactive-materials licenses.
Temporal rises to No. 1 on GeekWire 200 after $550M raise at $12.55B valuation as AI and hardware firms climb
Temporal is now the No. 1 company on the GeekWire 200 after a $550 million raise valuing it at $12.55 billion and surpassing $250 million in annualized revenue; the Fall 2026 ranking highlights growth in AI software and advanced machinery for space, energy and defense across the Pacific Northwest.
People
See all 5-
David Kirtley Founder, Founder and CEO
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Chris Pihl Founder, Co-founder and Chief Technology Officer
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George Votroubek Founder, Co-founder
