Onagawa 2 shut down on 11 March 2011 and is in the process of seeking clearance to restart, after the introduction of new regulatory requirements in 2013 by Japan's Nuclear Regulation Authority.

Details

Reactor Type Boiling Water Reactor (or BWR)
Model BWR-5
Owner Tohoku Electric Power Co., Inc
Operator Tohoku Electric Power Co., Inc

Timeline

Construction Start Friday, 12 April 1991
First Criticality Wednesday, 2 November 1994
First Grid Connection Friday, 23 December 1994
Commercial Operation Friday, 28 July 1995
Long-term Shutdown Friday, 11 March 2011

Specifications

Capacity Net 796 MWe
Capacity Gross 825 MWe
Thermal Capacity 2436 MWt
Design Net Capacity 796 MWe

Operational History

Electricity Supplied (GWh)

Energy Availability Factor (%)

Total Electricity Supplied (GWh)

Reactor History

Year Reference Unit Power (MWe) Annual Time Online (Hours) Electricity Supplied (GWh) Operation Factor (%) Energy Availability Annual (%) Energy Availability Cumulative (%) Load Factor Annual (%) Load Factor Cumulative (%)
1994 796 123 15.25 - - - - -
1995 796 6510 4496.61 95.60 95.40 95.40 94.70 94.70
1996 796 6545 5175.27 74.50 74.40 80.60 74.00 80.10
1997 796 8760 6931.60 100.00 99.90 88.60 99.40 88.10
1998 796 7185 5647.72 82.00 81.10 86.40 81.00 86.00
1999 796 7383 5841.18 84.30 84.20 85.90 83.80 85.50
2000 796 7402 5858.59 84.30 84.20 85.60 83.80 85.20
2001 796 8238 6521.16 94.00 94.00 86.90 93.50 86.50
2002 796 6368 5242.91 72.70 72.40 85.00 75.20 85.00
2003 796 4139 3272.36 47.20 47.20 80.50 46.90 80.40
2004 796 8784 7040.38 100.00 100.00 82.50 100.70 82.60
2005 796 2367 1877.27 27.00 26.80 77.20 26.90 77.30
2006 796 3188 2484.73 36.40 35.60 73.60 35.60 73.60
2007 796 6491 5184.62 74.10 73.80 73.60 74.40 73.70
2008 796 8086 6453.43 92.00 91.80 74.90 92.30 75.10
2009 796 4330 3430.26 49.40 49.00 73.10 49.20 73.30
2010 796 7417 5905.54 84.70 84.40 73.90 84.70 74.00
2011 796 0 0.00 0.00 0.00 69.40 0.00 69.50
2012 796 0 0.00 0.00 0.00 65.40 0.00 65.50
2013 796 0 0.00 0.00 0.00 61.80 0.00 62.00
2014 796 0 0.00 0.00 0.00 58.60 0.00 58.80
2015 796 0 0.00 0.00 0.00 55.80 0.00 55.90
2016 796 0 0.00 0.00 0.00 53.20 0.00 53.30
2017 796 0 0.00 0.00 0.00 50.80 0.00 50.90
2018 796 0 0.00 0.00 0.00 48.60 0.00 48.70
2019 796 0 0.00 0.00 0.00 46.60 0.00 46.70
2020 796 0 0.00 0.00 0.00 44.80 0.00 44.90
2021 796 0 0.00 0.00 9.10 43.40 0.00 43.20

Source: Operating details - IAEA PRIS


See Also

Nuclear Power in Japan

Related News

WNN articles on Japan
Subscribe to receive updates on news