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France France · Cadarache · 43.677, 5.773

Rapsodie

Rapsodie, a research reactor (fast) in Cadarache, France, with 40 MW of thermal power, operated by CEN Cadarache. Shut down, first critical in 1963.

It was one of the 38 research reactors France has had; 2 remain in operation today. It went critical 15 years after the first research reactor in France, ZOE (EL-1) (1948). 15 fast research reactors remain in operation today across 6 countries.

Country
France
City
Cadarache
Type
Fast
Thermal power
40 MW
Operator
CEN Cadarache
Status
Shut down
First criticality
1963

Data: IAEA RRDB · updated on Sep 3, 2026

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