Helion Energy

The page explains that magnetohydrodynamic (MHD) calculations predict FRCs are unstable, while kinetic calculations accounting for ion orbits predict stability under certain conditions.

The company is using the funding to accelerate its path to commercialized fusion power.

The company is working to deploy a 500 MW fusion power plant, described as a step in decarbonizing industrial manufacturing.

Microsoft has agreed to purchase electricity from Helion’s first fusion power plant.

Helion states its mission is to meet the world's need for clean, abundant energy; its annual report describes community engagement, opportunities for connection, and support for people in its home communities.

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The company is building what it describes as the world's first fusion power plant.

Helion lists engineering, manufacturing, and operations roles in Washington related to fusion energy and commercial fusion power systems.

Helion states its mission is to meet the world's need for clean, abundant electricity. The page covers the team, timeline, and investors behind what it calls the world's first fusion power plant.

Helion provides information about its fusion technology, projects, and partnership opportunities.

Helion is building the world's first fusion power plant to deliver clean, reliable, and abundant electricity to the grid.

Helion Energy earns a mention on “Jeopardy!” in a clue about fusion, the process it says it will use in its planned power plant. The clue appears in a “Y Combinator” category, reflecting Helion’s participation in the accelerator’s Summer 2014 batch. The company also reports more than $1.5 billion in total funding, a valuation ten times that amount, and a workforce of over 800 employees.

Oct 2026 · GeekWireNews article

Seattle-area startups raise a record $3.5 billion in venture capital in the third quarter, led by Stoke Space, Temporal and Helion. Most of the funding goes to companies building physical products, with space companies Stoke, Starcloud and Hubble Network raising a combined $1.6 billion. Nationally, venture funding falls 40% from the prior quarter to $98.4 billion as large frontier AI rounds taper off.

Oct 2026 · GeekWireNews article

GeekWire’s Fall 2026 GeekWire 200 ranks Bellevue-based Temporal No. 1, replacing fusion company Helion at the top of its list of privately held Pacific Northwest tech startups. Temporal’s software helps AI agents run reliably, and the company reports more than $250 million in annualized revenue with customers including OpenAI, Nvidia and Netflix. The update also highlights advanced-machinery companies scaling production, including rocket maker Stoke Space, drone maker Brinc and radar company Echodyne.

Sep 2026 · GeekWireNews article

Helion Energy adds $35 million to its Series G, bringing the round to $500 million as it pursues commercial fusion power. It has raised more than $1.5 billion and is building its 50-megawatt Orion plant to supply a Microsoft data center by 2028. The timeline remains uncertain: a report cites a Helion executive saying full capacity may not arrive until 2030, while Helion develops its Tiny Merge testbed to resolve technical questions before final plant designs are set.

Sep 2026 · GeekWireNews article