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🇯🇵 Mihama

Name: Mihama
Address: Japan

Nuclear power plant · Japan

Operational

Capacity≈1,570 MW

Units3

First Online1970

Construction Start1967

Reactor TypePWR

Coordinates35.701, 135.962

Mihama is a nuclear power station in Japan. Of its 3 recorded unit(s), 1 reactor is operational, 2 permanently shut down. Combined net capacity of the operating units is about 1,570 MW. The first unit reached commercial operation in 1970. Reactor technology on site: PWR.

Reactor units at Mihama

Unit	Status	Reactor type	Net capacity	Key dates
Mihama-1	Shut Down	PWR WH 2LP	320 MW	Construction 1967 · Grid 1970 · Shutdown 2015
Mihama-2	Shut Down	PWR M (2-loop)	470 MW	Construction 1968 · Grid 1972 · Shutdown 2015
Mihama-3	Operational	PWR M (3-loop)	780 MW	Construction 1972 · Grid 1976

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Other nuclear sites in Japan

Kashiwazaki Kariwa Hamaoka Fukushima Daiichi Ohi Fukushima Daini Genkai Takahama Shimane Onagawa Tomari Ikata Shika

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.