ES
France France · Gif-sur-Yvette · 48.724, 2.153

Ulysse

Ulysse, a research reactor (other) in Gif-sur-Yvette, France, with 100 kW of thermal power, operated by CEA Saclay. Shut down, first critical in 1961.

It was one of the 38 research reactors France has had; 2 remain in operation today. It went critical 13 years after the first research reactor in France, ZOE (EL-1) (1948). Its declared uses include teaching and training.

Country
France
City
Gif-sur-Yvette
Type
Other
Thermal power
100 kW
Operator
CEA Saclay
Status
Shut down
First criticality
1961
Purpose
Teaching, training

Data: IAEA RRDB · updated on Sep 3, 2026

More information

Related research reactors