In early 2022 we demonstrated a world-first by reaching a plasma temperature of 100 million degrees Celsius in our ST40 spherical tokamak, the threshold required for commercial fusion energy.

This achievement further substantiates spherical tokamaks as the optimal route to the delivery of clean, secure, low cost, scalable and globally deployable commercial fusion energy.

The ST40 device is now undergoing an upgrade and will be used to develop physics basis and technologies for future devices.

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