PHENIX
PHENIX, a research reactor (fast) in Marcoule, France, with 563 MW of thermal power, operated by Centre de la Vallee Du Rhone, Cea. Shut down, first critical in 1973.
It was one of the 38 research reactors France has had; 2 remain in operation today. It went critical 25 years after the first research reactor in France, ZOE (EL-1) (1948). 15 fast research reactors remain in operation today across 6 countries. Its declared uses include transmutation and materials testing.
- Country
- France
- City
- Marcoule
- Type
- Fast
- Thermal power
- 563 MW
- Operator
- Centre de la Vallee Du Rhone, Cea
- Status
- Shut down
- First criticality
- 1973
- Purpose
- Transmutation, materials testing
See also: every research reactor in France · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026