Skip to main content
← All Companies
Helion Energy logo

Helion Energy

AI Adjacent
AI Classification
Enables AI ecosystem but doesn't run models itself.

Fusion power plant for clean energy

Total Funding

$425M

Founded

2011

Headquarters

Everett, United States

Industry Vertical

Energy & Sustainability

Technology Segments

Renewable Energy

About

Helion Energy is an innovative company developing fusion power technologies to transform the future of clean electricity. Focused on building the world’s first fusion power plant, the company leverages cutting‐edge engineering, advanced manufacturing, and breakthrough scientific research. Their in-house production of vacuum vessels using fused silica and unique graphite electrode techniques exemplifies their commitment to scalable fusion energy solutions.

Helion Energy’s multidisciplinary team of scientists, engineers, and researchers drive progress in areas such as high-density electrical interconnects and low-pressure pump technologies. The company’s mission is to deliver reliable, affordable, and limitless clean power, paving the way for a future with abundant energy. Their pioneering approach in fusion energy positions them at the forefront of the renewable energy sector, with a steadfast commitment to sustainability and innovation.

Funding Rounds

1
DateRoundAmount
2025-01-30Series F$425M

Investors

7
Lightspeed Venture PartnersSoftBank Vision Fund 2Sam AltmanMithril CapitalCapricorn Investment GroupGood Ventures FoundationNucor

Subscribe to Monday AI Signal

Weekly pre-seed and seed AI deal intelligence with early trends.