Details
| Reactor Type | Pressurised Water Reactor (or PWR) |
|---|---|
| Model | M (4-loop) |
| Owner | Kyushu Electric Power Co., Inc. |
| Operator | Kyushu Electric Power Co., Inc. |
Timeline
| Construction Start | Wednesday, 1 June 1988 |
|---|---|
| First Criticality | Friday, 28 May 1993 |
| First Grid Connection | Tuesday, 15 June 1993 |
| Commercial Operation | Friday, 18 March 1994 |
| Long-term Shutdown | Saturday, 11 December 2010 |
| Restart | Sunday, 25 March 2018 |
Specifications
| Capacity Net | 1127 MWe |
|---|---|
| Capacity Gross | 1180 MWe |
| Thermal Capacity | 3423 MWt |
| Design Net Capacity | 1127 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1993 | 1127 | 2897 | 1924.11 | - | - | - | - | - |
| 1994 | 1127 | 7828 | 8795.82 | 97.00 | 96.90 | 96.90 | 97.40 | 97.40 |
| 1995 | 1127 | 6588 | 7356.33 | 75.20 | 74.10 | 83.90 | 74.50 | 84.30 |
| 1996 | 1127 | 6663 | 7444.90 | 75.80 | 74.90 | 80.60 | 75.20 | 81.00 |
| 1997 | 1127 | 7358 | 8259.94 | 84.00 | 83.30 | 81.30 | 83.70 | 81.70 |
| 1998 | 1127 | 8514 | 9633.13 | 97.20 | 97.10 | 84.70 | 97.60 | 85.10 |
| 1999 | 1127 | 7068 | 7999.83 | 80.70 | 80.70 | 84.00 | 81.00 | 84.40 |
| 2000 | 1127 | 7164 | 8109.74 | 81.60 | 81.60 | 83.60 | 81.90 | 84.00 |
| 2001 | 1127 | 7249 | 8205.05 | 82.80 | 82.70 | 83.50 | 83.10 | 83.90 |
| 2002 | 1127 | 8446 | 9561.54 | 96.40 | 96.40 | 85.00 | 96.80 | 85.40 |
| 2003 | 1127 | 7497 | 8667.78 | 85.60 | 85.60 | 85.00 | 87.80 | 85.60 |
| 2004 | 1127 | 7015 | 8121.12 | 79.90 | 79.90 | 84.60 | 82.00 | 85.30 |
| 2005 | 1127 | 7523 | 8658.87 | 85.90 | 85.30 | 84.60 | 87.70 | 85.50 |
| 2006 | 1127 | 8401 | 9725.17 | 95.90 | 95.90 | 85.50 | 98.50 | 86.50 |
| 2007 | 1127 | 6987 | 7988.29 | 79.80 | 79.10 | 85.00 | 80.90 | 86.10 |
| 2008 | 1127 | 7211 | 8259.64 | 82.10 | 81.60 | 84.80 | 83.40 | 85.90 |
| 2009 | 1127 | 7043 | 8061.86 | 80.40 | 79.90 | 84.50 | 81.70 | 85.60 |
| 2010 | 1127 | 8257 | 9506.52 | 94.30 | 94.20 | 85.10 | 96.30 | 86.30 |
| 2011 | 1127 | 0 | 0.00 | 0.00 | 0.00 | 80.30 | 0.00 | 81.40 |
| 2012 | 1127 | 0 | 0.00 | 0.00 | 0.00 | 76.00 | 0.00 | 77.10 |
| 2013 | 1127 | 0 | 0.00 | 0.00 | 0.00 | 72.10 | 0.00 | 73.20 |
| 2014 | 1127 | 0 | 0.00 | 0.00 | 0.00 | 68.70 | 0.00 | 69.60 |
| 2015 | 1127 | 0 | 0.00 | 0.00 | 0.00 | 65.50 | 0.00 | 66.40 |
| 2016 | 1127 | 0 | 0.00 | 0.00 | 0.00 | 62.60 | 0.00 | 63.50 |
| 2017 | 1127 | 0 | 0.00 | 0.00 | 0.00 | 60.00 | 0.00 | 60.80 |
| 2018 | 1127 | 6313 | 7143.28 | 72.10 | 70.80 | 60.40 | 72.40 | 61.30 |
| 2019 | 1127 | 7067 | 8106.36 | 80.70 | 80.10 | 61.20 | 82.10 | 62.10 |
| 2020 | 1127 | 7187 | 8236.09 | 81.80 | 81.30 | 62.00 | 83.20 | 62.90 |
| 2021 | 1127 | 8760 | 10083.48 | 100.00 | 100.00 | 63.30 | 102.10 | 64.30 |
| 2022 | 1127 | 946 | 1036.79 | 10.80 | 10.30 | 61.50 | 10.50 | 62.50 |
| 2023 | 1127 | 7513 | 8691.55 | 85.80 | 85.70 | 62.30 | 88.00 | 63.30 |