Superphénix, Decommissioned fast breeder nuclear reactor in Creys-Mépieu, France.
Superphénix is a decommissioned fast breeder nuclear reactor located on the Rhône River banks, designed to produce around 1,200 megawatts of power. The facility used liquid sodium as a cooling medium for the reactor core.
Construction began in 1976 and the reactor started operating in 1986, but was shut down in 1997 due to technical problems. The French government decided to close it after years of difficulties with power generation.
The plant became a focal point for debates about nuclear power in France, attracting demonstrations and public attention. People gathered here to voice their concerns and views on atomic energy.
The site sits directly on the Rhône River and is visible from the outside, though the grounds are not open to the public. Visitors can view and photograph the industrial facility from the riverbank.
The reactor was notable for using liquid sodium cooling, an unusual technology for nuclear plants at the time. This cooling method allowed for greater power density but created unique operational challenges.
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