Construction begins on a fusion plant built to sell electricity to a customer

The step before net electricity: someone breaks ground on a plant whose purpose is to sell power, with a customer signed. It has happened. A company backed by a purchase agreement with a large technology firm began building its first plant in Washington state in July 2025, aiming to deliver electricity in 2028. The node stays in, resolved, as the first rung on the fusion ladder and a resolved leaf the calibration score can count.

What counts as it having happened

A company begins site construction of a fusion power plant that has a signed agreement to sell electricity to a named customer, confirmed by the company's announcement and local permitting records.

Settled by: The company's announcement and the county's permitting record

Resolved: yes, 2025-07-30

Helion's announcement of 2025-07-30 that it had secured land and begun building at Malaga, Washington, under its power purchase agreement with Microsoft; reported by World Nuclear News and BusinessWire

Probability, by longevity scenario

No probability yet. First-pass numbers land factor by factor at roadmap step 9; this node's group has not been estimated.

Notes

Added at step 7 (2026-09-08); the date and facts checked the same day against the company's newsroom and trade press.

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