United Kingdom United Kingdom · 53.360, -0.810

STEP

STEP, a fusion device (tokamak) in United Kingdom, operated by UKAEA. Planned.

It will join the one research reactor operating in the United Kingdom today.

Country
United Kingdom
City
Type
Fusion device · Tokamak
Confinement
Spherical Tokamak
Operator
UKAEA
Status
Planned
First plasma

Data: IAEA FusDIS · updated on Sep 5, 2026

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