Tokai 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 | Japan Atomic Power Co. |
| Operator | Japan Atomic Power Co. |
Timeline
| Construction Start | Wednesday, 3 October 1973 |
|---|---|
| First Criticality | Wednesday, 18 January 1978 |
| First Grid Connection | Monday, 13 March 1978 |
| Commercial Operation | Tuesday, 28 November 1978 |
| Long-term Shutdown | Friday, 11 March 2011 |
Specifications
| Capacity Net | 1060 MWe |
|---|---|
| Capacity Gross | 1100 MWe |
| Thermal Capacity | 3293 MWt |
| Design Net Capacity | 1056 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 | - | - | - | - | - | - | - | - |
| 1979 | 1056 | 5481 | 5209.50 | 62.60 | 56.30 | 56.30 | 56.30 | 56.30 |
| 1980 | 1056 | 6597 | 6743.20 | 75.10 | 72.60 | 64.50 | 72.70 | 64.50 |
| 1981 | 1056 | 6037 | 6059.10 | 68.90 | 65.30 | 64.80 | 65.50 | 64.80 |
| 1982 | 1056 | 5338 | 5571.60 | 60.90 | 59.60 | 63.50 | 60.20 | 63.70 |
| 1983 | 1056 | 6327 | 6556.64 | 72.20 | 70.40 | 64.90 | 70.90 | 65.10 |
| 1984 | 1056 | 8240 | 8695.17 | 93.80 | 93.50 | 69.60 | 93.70 | 69.90 |
| 1985 | 1056 | 6625 | 6957.48 | 75.60 | 75.00 | 70.40 | 75.20 | 70.70 |
| 1986 | 1056 | 5508 | 5797.62 | 62.90 | 62.50 | 69.40 | 62.70 | 69.70 |
| 1987 | 1056 | 6776 | 7040.45 | 77.40 | 76.50 | 70.20 | 76.10 | 70.40 |
| 1988 | 1056 | 5872 | 6088.38 | 66.80 | 66.00 | 69.80 | 65.60 | 69.90 |
| 1989 | 1056 | 8006 | 8434.97 | 91.40 | 91.20 | 71.70 | 91.20 | 71.80 |
| 1990 | 1056 | 6948 | 7291.60 | 79.30 | 78.90 | 72.30 | 78.80 | 72.40 |
| 1991 | 1056 | 6716 | 7025.25 | 76.70 | 76.10 | 72.60 | 75.90 | 72.70 |
| 1992 | 1080 | 5990 | 6307.75 | 68.20 | 68.50 | 72.30 | 66.50 | 72.20 |
| 1993 | 1080 | 8252 | 8707.18 | 94.20 | 93.80 | 73.80 | 92.00 | 73.60 |
| 1994 | 1056 | 6938 | 7325.77 | 79.20 | 78.80 | 74.10 | 79.20 | 73.90 |
| 1995 | 1056 | 6488 | 6845.05 | 74.10 | 73.70 | 74.10 | 74.00 | 73.90 |
| 1996 | 1056 | 7169 | 7562.05 | 81.60 | 80.80 | 74.40 | 81.50 | 74.40 |
| 1997 | 1056 | 8404 | 8884.54 | 95.90 | 95.60 | 75.50 | 96.00 | 75.50 |
| 1998 | 1056 | 6642 | 6999.42 | 75.80 | 75.00 | 75.50 | 75.70 | 75.50 |
| 1999 | 1056 | 2228 | 2316.08 | 25.40 | 25.00 | 73.10 | 25.00 | 73.10 |
| 2000 | 1056 | 6626 | 7031.57 | 75.40 | 75.40 | 73.20 | 75.80 | 73.20 |
| 2001 | 1056 | 5641 | 5833.18 | 64.40 | 62.70 | 72.80 | 63.10 | 72.80 |
| 2002 | 1056 | 6061 | 6420.06 | 69.20 | 68.90 | 72.60 | 69.40 | 72.60 |
| 2003 | 1056 | 8635 | 9176.55 | 98.60 | 98.50 | 73.60 | 99.20 | 73.70 |
| 2004 | 1060 | 6723 | 7195.36 | 76.50 | 76.30 | 73.70 | 77.30 | 73.80 |
| 2005 | 1060 | 4914 | 5259.48 | 56.10 | 55.80 | 73.10 | 56.60 | 73.20 |
| 2006 | 1060 | 7704 | 8186.87 | 88.00 | 87.30 | 73.60 | 88.20 | 73.70 |
| 2007 | 1060 | 7048 | 7518.75 | 80.50 | 80.00 | 73.80 | 81.00 | 74.00 |
| 2008 | 1060 | 6132 | 6545.88 | 69.80 | 68.80 | 73.60 | 70.30 | 73.90 |
| 2009 | 1060 | 5169 | 5587.41 | 59.00 | 58.70 | 73.20 | 60.20 | 73.40 |
| 2010 | 1060 | 4763 | 5137.03 | 54.40 | 53.90 | 72.60 | 55.30 | 72.90 |
| 2011 | 1060 | 1670 | 1819.07 | 19.10 | 19.10 | 70.90 | 19.60 | 71.20 |
| 2012 | 1060 | 0 | 0.00 | 0.00 | 0.00 | 68.80 | 0.00 | 69.10 |
| 2013 | 1060 | 0 | 0.00 | 0.00 | 0.00 | 66.90 | 0.00 | 67.20 |
| 2014 | 1060 | 0 | 0.00 | 0.00 | 0.00 | 65.00 | 0.00 | 65.30 |
| 2015 | 1060 | 0 | 0.00 | 0.00 | 0.00 | 63.20 | 0.00 | 63.50 |
| 2016 | 1060 | 0 | 0.00 | 0.00 | 0.00 | 61.60 | 0.00 | 61.80 |
| 2017 | 1060 | 0 | 0.00 | 0.00 | 0.00 | 60.00 | 0.00 | 60.30 |
| 2018 | 1060 | 0 | 0.00 | 0.00 | 0.00 | 58.50 | 0.00 | 58.80 |
| 2019 | 1060 | 0 | 0.00 | 0.00 | 0.00 | 57.10 | 0.00 | 57.30 |
| 2020 | 1060 | 0 | 0.00 | 0.00 | 0.00 | 55.70 | 0.00 | 56.00 |
| 2021 | 1060 | 0 | 0.00 | 0.00 | 0.00 | 54.40 | 0.00 | 54.60 |