France France · 43.704, 5.765

WEST

WEST, a fusion device (tokamak) in France, operated by CEA. Operating.

It is the only research reactor operating in France today.

Country
France
City
Type
Fusion device · Tokamak
Confinement
Conventional Tokamak
Operator
CEA
Status
Operating
First plasma

Data: IAEA FusDIS · updated on Sep 5, 2026

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