G-1
G-1, a research reactor (graphite) in Bagnols-sur-Cèze, France, with 46 MW of thermal power, operated by French Atomic Energy Commission (CEA). Shut down, first critical in 1956.
It was one of the 38 research reactors France has had; 2 remain in operation today. It went critical 8 years after the first research reactor in France, ZOE (EL-1) (1948). 4 graphite-moderated research reactors remain in operation today across 3 countries.
- Country
- France
- City
- Bagnols-sur-Cèze
- Type
- Graphite
- Thermal power
- 46 MW
- Operator
- French Atomic Energy Commission (CEA)
- Status
- Shut down
- First criticality
- 1956
See also: every research reactor in France · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026