Details

Reactor Type Heavy Water Light Water Reactor (or HWLWR)
Model ATR
Owner Japan Atomic Energy Agency
Operator Japan Atomic Energy Agency

Timeline

Construction Start Wednesday, 10 May 1972
First Criticality Monday, 20 March 1978
First Grid Connection Saturday, 29 July 1978
Commercial Operation Tuesday, 20 March 1979
Permanent Shutdown Saturday, 29 March 2003

Specifications

Capacity Net 148 MWe
Capacity Gross 165 MWe
Thermal Capacity 557 MWt
Design Net Capacity 148 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 (%)
1978 148 1793 144.33 - - - - -
1979 150 7322 1009.60 87.70 83.30 83.30 83.30 83.30
1980 148 4523 630.70 51.50 48.50 63.60 48.50 63.60
1981 148 1840 242.80 21.00 18.70 47.40 18.70 47.40
1982 148 5706 819.22 65.10 63.20 51.60 63.20 51.60
1983 148 7724 1106.00 88.20 85.60 58.70 85.30 58.60
1984 148 5502 767.05 62.60 59.10 58.80 59.00 58.70
1985 148 4661 670.69 53.20 52.00 57.80 51.70 57.70
1986 148 7221 1034.42 82.40 80.80 60.70 79.80 60.50
1987 148 5055 725.68 57.70 56.30 60.20 56.00 60.00
1988 148 6976 1015.42 79.40 78.60 62.10 78.10 61.90
1989 148 5656 809.09 64.60 62.70 62.20 62.40 61.90
1990 148 7526 1081.10 85.90 84.10 64.00 83.40 63.70
1991 148 4728 671.28 54.00 52.60 63.10 51.80 62.80
1992 148 6397 933.87 72.80 71.80 63.80 71.80 63.50
1993 148 5915 857.25 67.50 66.10 63.90 66.10 63.60
1994 148 8040 1182.83 91.80 91.20 65.70 91.20 65.40
1995 148 5491 797.03 62.70 61.50 65.40 61.50 65.20
1996 148 6751 991.23 76.90 76.20 66.00 76.20 65.80
1997 148 3656 520.81 41.70 40.20 64.60 40.20 64.40
1998 148 8085 1186.37 92.30 91.50 66.00 91.50 65.80
1999 148 2806 445.44 32.00 30.10 64.10 31.40 64.00
2000 148 3964 569.30 45.10 43.80 63.20 43.80 63.00
2001 148 3430 507.46 39.20 39.10 62.10 39.10 62.00
2002 148 4528 606.28 51.70 46.80 61.50 46.80 61.40
2003 148 2095 345.52 99.20 99.30 61.90 110.50 61.90

Source: Operating details - IAEA PRIS


See Also

Nuclear Power in Japan

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