Lucens reactor

The Lucens reactor was a 6 MW experimental nuclear power reactor built next to Lucens, Vaud, Switzerland. After its connection to the electrical grid on 29 January 1968, the reactor only operated for a few months before it suffered an accident on 21 January 1969. The cause was a corrosion-induced loss of heat dispersal leading to the destruction of a pressure tube which caused an adjacent pressure tube to fail, and partial meltdown of the core, resulting in radioactive contamination of the cavern.

Lucens reactor
Control room of the Lucens reactor in April 1968
Official nameVersuchsatomkraftwerk Lucens
CountrySwitzerland
LocationLucens, Vaud
Coordinates46°41′34.16″N 6°49′36.81″E
StatusDecommissioned
Construction began1 April 1962 (1962-04-01)
Commission date10 May 1968 (1968-05-10)
Decommission date3 March 1969 (1969-03-03)
Owner(s)Nationale Gesellschaft zur Förderung der industriellen Atomtechnik
Operator(s)Energie Ouest Suisse
Nuclear power station
Reactor typeHWGCR
Reactor supplierThermatom
Cooling sourceCarbon dioxide
Power generation
Units decommissioned1 x 6 MW
Nameplate capacity6 MW
External links
Websitewww.ensi.ch/fr/themes/centrale-nucleaire-lucens
CommonsRelated media on Commons

Suffered a nuclear accident on 21 January 1969, leading to a partial core meltdown and massive radioactive contamination
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