Helion Raises $465 Million in Series G Funding at $15.5 Billion Valuation

Helion, a fusion energy company based in Everett, Washington, has raised $465 million in a Series G funding round, bringing its valuation to $15.5 billion.

The funding round was led by Thrive Capital. New investors included Alta Park Capital, Anti Fund, BoxGroup, Lux Capital, Peak XV Partners, and Bill Ford, Executive Chairman of Ford Motor Company. Existing investors such as Capricorn Technology Impact Funds, Lightspeed Venture Partners, Mithril Capital, Good Ventures Foundation, SoftBank Vision Fund 2, and a university endowment fund also participated.

Funding to Support Expansion and Technology Development

The company said it will use the new capital to expand its operations and advance the development of its fusion energy technology.

Helion is focused on producing electricity through nuclear fusion, a process that aims to generate power without direct carbon emissions. The technology is being explored as a potential long-term energy source capable of supporting growing electricity demand.

Commercial Agreements in Place

The company has already secured commercial agreements related to future power generation projects.

In 2023, Helion signed a power purchase agreement with Microsoft to supply electricity from a planned 50-megawatt fusion power plant beginning in 2028. The company also entered into an agreement with Nucor to develop a 500-megawatt power plant during the 2030s.

Leadership

Helion is led by Chief Executive Officer David Kirtley. The company continues to focus on advancing fusion technology and moving toward commercial-scale electricity generation.

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