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France France · Grenoble · 45.199, 5.702

Melusine

Melusine, a research reactor (pool) in Grenoble, France, with 8 MW of thermal power, operated by CEA Grenoble. Decommissioned, first critical in 1958.

It was one of the 38 research reactors France has had; 2 remain in operation today. It went critical 10 years after the first research reactor in France, ZOE (EL-1) (1948). 48 pool-type reactors remain in operation today across 28 countries.

Country
France
City
Grenoble
Type
Pool
Thermal power
8 MW
Operator
CEA Grenoble
Status
Decommissioned
First criticality
1958

Data: IAEA RRDB · updated on Sep 3, 2026

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