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NPPs in Japan

Permanent shutdown

Onagawa-1

Closed Down: 2018-12-21
Age: 34
Reactor Type: BWR
Gross Output: 524MWe
Net Output: 496MWe
Owner: Tohoku EPCO
Operator: Tohoku EPCO
Date of order: 1972
Construction Start: 1979-12
Concrete placing: 1980-06
Initial Criticality: 1983-10-18
Grid connection: 1983-11-18
Commercial Operation: 1984-06-01
Main contractor: Toshiba
Architect Engineer: Toshiba
Reactor System supplier: Toshiba
Reactor Vessel supplier: Toshiba/IHI
Incore Structure supplier: Toshiba
Fuel supplier: GNF-J/NFI
Steam raising supplier: Toshiba
Turbine generator supplier: Toshiba
Civil works: various
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