ES
France France · Saint-Paul-lès-Durance · 43.688, 5.761

Pegase

Pegase, a research reactor (tank) in Saint-Paul-lès-Durance, France, with 30 MW of thermal power, operated by CEA 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). 36 tank-type reactors remain in operation today across 23 countries.

Country
France
City
Saint-Paul-lès-Durance
Type
Tank
Thermal power
30 MW
Operator
CEA Cadarache
Status
Shut down
First criticality
1963

Data: IAEA RRDB · updated on Sep 3, 2026

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