Details
| Reactor Type | Boiling Water Reactor (or BWR) |
|---|---|
| Model | BWR-4 |
| Owner | Tohoku Electric Power Co., Inc |
| Operator | Tohoku Electric Power Co., Inc |
Timeline
| Construction Start | Tuesday, 8 July 1980 |
|---|---|
| First Criticality | Tuesday, 18 October 1983 |
| First Grid Connection | Friday, 18 November 1983 |
| Commercial Operation | Friday, 1 June 1984 |
| Permanent Shutdown | Friday, 21 December 2018 |
Specifications
| Capacity Net | 498 MWe |
|---|---|
| Capacity Gross | 524 MWe |
| Thermal Capacity | 1593 MWt |
| Design Net Capacity | 498 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1983 | 498 | 766 | 100.60 | - | - | - | - | - |
| 1984 | 496 | 7683 | 3558.21 | 100.00 | 98.90 | 98.90 | 98.90 | 98.90 |
| 1985 | 496 | 6681 | 3259.15 | 76.30 | 75.60 | 84.20 | 75.00 | 83.80 |
| 1986 | 496 | 6871 | 3366.58 | 78.40 | 78.00 | 81.80 | 77.50 | 81.40 |
| 1987 | 497 | 6500 | 3161.72 | 74.20 | 72.80 | 79.30 | 72.60 | 78.90 |
| 1988 | 496 | 6949 | 3410.62 | 79.10 | 78.60 | 79.10 | 78.30 | 78.80 |
| 1989 | 497 | 6177 | 3013.73 | 70.50 | 69.10 | 77.30 | 69.20 | 77.10 |
| 1990 | 497 | 5908 | 2850.66 | 67.40 | 65.60 | 75.50 | 65.50 | 75.30 |
| 1991 | 497 | 6954 | 3345.91 | 79.40 | 77.00 | 75.70 | 76.80 | 75.50 |
| 1992 | 497 | 8342 | 4120.53 | 95.00 | 94.70 | 78.00 | 94.40 | 77.70 |
| 1993 | 497 | 4666 | 2300.08 | 53.30 | 50.60 | 75.10 | 52.80 | 75.10 |
| 1994 | 497 | 6961 | 3428.82 | 79.50 | 78.60 | 75.40 | 78.80 | 75.50 |
| 1995 | 497 | 6000 | 2936.39 | 68.50 | 67.80 | 74.80 | 67.40 | 74.80 |
| 1996 | 498 | 7523 | 3727.17 | 85.60 | 85.60 | 75.60 | 85.20 | 75.60 |
| 1997 | 498 | 6708 | 3304.64 | 76.60 | 76.20 | 75.70 | 75.80 | 75.60 |
| 1998 | 498 | 6841 | 3359.53 | 78.10 | 76.90 | 75.80 | 77.00 | 75.70 |
| 1999 | 498 | 8517 | 4240.19 | 97.20 | 97.20 | 77.10 | 97.20 | 77.10 |
| 2000 | 498 | 7436 | 3689.11 | 84.60 | 84.60 | 77.60 | 84.30 | 77.50 |
| 2001 | 498 | 6873 | 3425.11 | 78.50 | 78.40 | 77.60 | 78.50 | 77.60 |
| 2002 | 498 | 6001 | 3143.17 | 68.50 | 68.50 | 77.10 | 72.00 | 77.30 |
| 2003 | 498 | 3725 | 1856.08 | 42.50 | 42.60 | 75.40 | 42.60 | 75.50 |
| 2004 | 498 | 6020 | 2998.90 | 68.50 | 68.50 | 75.00 | 68.60 | 75.20 |
| 2005 | 498 | 3799 | 1898.59 | 43.40 | 43.10 | 73.60 | 43.50 | 73.70 |
| 2006 | 498 | 0 | 0.00 | 0.00 | 0.00 | 70.30 | 0.00 | 70.40 |
| 2007 | 498 | 4351 | 2162.18 | 49.70 | 49.30 | 69.40 | 49.60 | 69.60 |
| 2008 | 498 | 1057 | 530.82 | 12.00 | 12.00 | 67.10 | 12.10 | 67.20 |
| 2009 | 498 | 6531 | 3117.35 | 74.60 | 71.30 | 67.20 | 71.50 | 67.40 |
| 2010 | 498 | 5338 | 2661.13 | 60.90 | 60.20 | 67.00 | 61.00 | 67.10 |
| 2011 | 498 | 1671 | 851.44 | 19.10 | 19.10 | 65.20 | 19.50 | 65.40 |
| 2012 | 498 | 0 | 0.00 | 0.00 | 0.00 | 62.90 | 0.00 | 63.10 |
| 2013 | 498 | 0 | 0.00 | 0.00 | 0.00 | 60.80 | 0.00 | 61.00 |
| 2014 | 498 | 0 | 0.00 | 0.00 | 0.00 | 58.80 | 0.00 | 59.00 |
| 2015 | 498 | 0 | 0.00 | 0.00 | 0.00 | 57.00 | 0.00 | 57.10 |
| 2016 | 498 | 0 | 0.00 | 0.00 | 0.00 | 55.20 | 0.00 | 55.40 |
| 2017 | 498 | 0 | 0.00 | 0.00 | 0.00 | 53.60 | 0.00 | 53.70 |
| 2018 | 498 | 0 | 0.00 | 0.00 | 0.00 | 52.00 | 0.00 | 52.20 |