Chubu Electric Power Co.,Inc.|Overview of major facilities - About Hamaoka Nuclear Power Station

The Hamaoka Nuclear Power Station, today and tomorrow

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Overview of major facilities

Name Unit 1 Unit 2 Unit 3 Unit 4 Unit 5
Reactor type Boiling water reactor (BWR) Boiling water reactor (BWR) Advanced boiling water reactor (ABWR)
Power output 540 MW 840 MW 1,100 MW 1,137 MW 1,380 MW
Start of construction March 1971 March 1974 November 1982 February 1989 March 1999
Commencement of operation March 1976 November 1978 August 1987 September 1993 January 2005
Current status Decommissioning under way(operation terminated on January 30, 2009) Undergoing regular facility inspection
Undergoing measures to enhance safety (against earthquake, tsunami, serious accident, etc.)

(Note) Operation was suspended at the request of the Prime Minister (Unit 4 on May 13, 2011 and Unit 5 on May 14, 2011)