Helion

📍 Everett, United States👥 594 employees💰 Last funded Sep 2026
Renewable Energy Power Generation🌐 helionenergy.com
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We are a fusion power company based in Everett, WA, with the mission to build the worlds first fusion power plant, enabling a future with unlimited clean electricity. Our vision is a world with clean, reliable, and affordable energy for everyone. Since Helions founding in 2013, we have raised over $1 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group and new investors SoftBank and Lightspeed to propel us forward. Our last prototype, Trenta, completed 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). Now, were turning up operations for Polaris, and working towards delivering the worlds first fusion power plant. More than ever, its a pivotal time to join us and have the opportunity to solve real challenges to create a better energy future. You will see first-hand how we value urgency, rigor, ownership, and hard truths, knowing it will take each to do what no one has before. Joining us, you will push the boundaries of whats possible and transform humanity for the better - because the world cant wait.
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Total investors
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Founded

Investors

3 investors
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Investor geography1 country
United States
3
Investor activity2015–2026 · investors recorded per year
201512017120261
Recent (last 2y)Earlier
Frequently asked questions
Who invested in Helion?
Helion has 3 investors on record on gritt.io.
When did Helion last raise funding?
The most recent investment in Helion recorded on gritt.io was in September 2026.
What industry is Helion in?
Helion operates in Renewable Energy Power Generation. Find similar Renewable Energy Power Generation investors on gritt.io.
Where is Helion based?
Helion is headquartered in Everett, United States.