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🇯🇵 Hamaoka

Name: Hamaoka
Address: Japan

Nuclear power plant · Japan

Planned

Capacity≈4,803 MW

Units6

First Online1976

Construction Start1971

Reactor TypeBWR, ABWR

Coordinates34.621, 138.141

Hamaoka is a nuclear power station in Japan. Of its 6 recorded unit(s), 3 in suspended operation, 2 permanently shut down. Combined net capacity of the operating units is about 4,803 MW. Units in suspended operation are not permanently shut down: they remain licensed and can return to service. The first unit reached commercial operation in 1976. Reactor technology on site: BWR, ABWR.

Reactor units at Hamaoka

Unit	Status	Reactor type	Net capacity	Key dates
Hamaoka-1	Shut Down	BWR BWR-4	516 MW	Construction 1971 · Grid 1976 · Shutdown 2009
Hamaoka-2	Shut Down	BWR BWR-4	814 MW	Construction 1974 · Grid 1978 · Shutdown 2009
Hamaoka-3	Suspended	BWR BWR-5	1,056 MW	Construction 1983 · Grid 1987
Hamaoka-4	Suspended	BWR BWR-5	1,092 MW	Construction 1989 · Grid 1993
Hamaoka-5	Suspended	BWR ABWR	1,325 MW	Construction 2000 · Grid 2005
Hamaoka-6	Planned	ABWR	—	—

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Other nuclear sites in Japan

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Contains information from GeoNuclearData, made available under the ODbL. Sources & methodology. Data compiled from open datasets (GeoNuclearData and operator reports); figures are approximate — verify official status with IAEA PRIS. See the Japan nuclear overview or browse all nuclear sites.