|Fugen Nuclear Power Plant|
|Construction began||May 10, 1972|
|Commission date||March 20, 1979|
|Decommission date||March 29, 2003|
|Operator(s)||Japan Atomic Energy Agency|
|Nuclear power station|
|Units decommissioned||1 x 165 MW|
|Nameplate capacity||165 MW|
|Annual net output||345 GW·h|
|Commons||Related media on Commons|
Fugen ふげん (Fugen) was a prototype Japanese nuclear test reactor. Fugen was a domestic Japanese design for a demonstration Advanced Thermal Reactor. It was a heavy water moderated, boiling light water cooled reactor. The reactor was started in 1979 and shut down in 2003. As of 2018, it is undergoing decommissioning. It is located in Myōjin-chō, in the city of Tsuruga, Fukui. The name "Fugen" is derived from Fugen Bosatsu (Samantabhadra), a Buddhist deity.
The plant is located on a site that covers 267,694 m2 (66 acres); buildings occupy 7,762 m2 (1.9 acres), and it has 46,488 m2 of floor space. It employed 256 workers.
During dismantling operations it was found that walls with controls did not have the necessary strength at 25 of 34 points.
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