Details
| Reactor Type | Pressurised Water Reactor (or PWR) |
|---|---|
| Model | M (2-loop) |
| Owner | Hokkaido Electric Power Co., Inc. |
| Operator | Hokkaido Electric Power Co., Inc. |
Timeline
| Construction Start | Thursday, 18 April 1985 |
|---|---|
| First Criticality | Wednesday, 16 November 1988 |
| First Grid Connection | Tuesday, 6 December 1988 |
| Commercial Operation | Thursday, 22 June 1989 |
| Long-term Shutdown | Friday, 22 April 2011 |
Specifications
| Capacity Net | 550 MWe |
|---|---|
| Capacity Gross | 579 MWe |
| Thermal Capacity | 1650 MWt |
| Design Net Capacity | 550 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1988 | 550 | 375 | 54.96 | - | - | - | - | - |
| 1989 | 550 | 7095 | 3607.01 | 100.00 | 99.60 | 99.60 | 99.60 | 99.60 |
| 1990 | 550 | 7092 | 3830.69 | 81.00 | 79.50 | 86.20 | 79.50 | 86.20 |
| 1991 | 550 | 6588 | 3540.38 | 75.20 | 73.50 | 81.10 | 73.50 | 81.10 |
| 1992 | 550 | 6780 | 3646.36 | 77.20 | 75.90 | 79.60 | 75.50 | 79.50 |
| 1993 | 550 | 8760 | 4795.23 | 100.00 | 100.00 | 84.20 | 99.50 | 84.00 |
| 1994 | 550 | 7208 | 3903.95 | 82.30 | 81.40 | 83.60 | 81.00 | 83.40 |
| 1995 | 550 | 7175 | 3946.25 | 81.90 | 81.80 | 83.40 | 81.90 | 83.20 |
| 1996 | 550 | 6920 | 3750.44 | 78.80 | 78.10 | 82.70 | 77.60 | 82.40 |
| 1997 | 550 | 8760 | 4795.59 | 100.00 | 100.00 | 84.70 | 99.50 | 84.50 |
| 1998 | 550 | 7373 | 4239.09 | 84.20 | 83.10 | 84.50 | 88.00 | 84.80 |
| 1999 | 550 | 6986 | 4074.58 | 79.80 | 79.70 | 84.10 | 84.60 | 84.80 |
| 2000 | 550 | 7598 | 4168.52 | 86.50 | 86.50 | 84.30 | 86.30 | 84.90 |
| 2001 | 550 | 8760 | 4803.96 | 100.00 | 100.00 | 85.50 | 99.70 | 86.10 |
| 2002 | 550 | 7614 | 4177.26 | 86.90 | 86.90 | 85.60 | 86.70 | 86.20 |
| 2003 | 550 | 6893 | 3821.66 | 78.70 | 78.70 | 85.20 | 79.30 | 85.70 |
| 2004 | 550 | 6762 | 3788.84 | 77.00 | 77.00 | 84.60 | 78.40 | 85.20 |
| 2005 | 550 | 8616 | 4818.78 | 98.40 | 98.30 | 85.50 | 100.00 | 86.10 |
| 2006 | 550 | 7643 | 4236.75 | 87.20 | 86.90 | 85.50 | 87.90 | 86.20 |
| 2007 | 550 | 7121 | 3952.55 | 81.30 | 80.60 | 85.30 | 82.00 | 86.00 |
| 2008 | 550 | 5578 | 3111.15 | 63.50 | 63.10 | 84.10 | 64.40 | 84.90 |
| 2009 | 550 | 8760 | 4928.21 | 100.00 | 100.00 | 84.90 | 102.30 | 85.70 |
| 2010 | 550 | 7156 | 3994.56 | 81.70 | 81.30 | 84.70 | 82.90 | 85.60 |
| 2011 | 550 | 2664 | 1496.72 | 30.40 | 30.40 | 82.30 | 31.10 | 83.20 |
| 2012 | 550 | 0 | 0.00 | 0.00 | 0.00 | 78.80 | 0.00 | 79.60 |
| 2013 | 550 | 0 | 0.00 | 0.00 | 0.00 | 75.60 | 0.00 | 76.40 |
| 2014 | 550 | 0 | 0.00 | 0.00 | 0.00 | 72.60 | 0.00 | 73.40 |
| 2015 | 550 | 0 | 0.00 | 0.00 | 0.00 | 69.90 | 0.00 | 70.60 |
| 2016 | 550 | 0 | 0.00 | 0.00 | 0.00 | 67.40 | 0.00 | 68.00 |
| 2017 | 550 | 0 | 0.00 | 0.00 | 0.00 | 65.00 | 0.00 | 65.70 |
| 2018 | 550 | 0 | 0.00 | 0.00 | 0.00 | 62.80 | 0.00 | 63.40 |
| 2019 | 550 | 0 | 0.00 | 0.00 | 0.00 | 60.70 | 0.00 | 61.40 |
| 2020 | 550 | 0 | 0.00 | 0.00 | 0.00 | 58.80 | 0.00 | 59.40 |
| 2021 | 550 | 0 | 0.00 | 0.00 | 0.00 | 57.00 | 0.00 | 57.60 |