Details
| Reactor Type | Gas-Cooled Reactor (or GCR) |
|---|---|
| Model | AGR |
| Owner | EDF Energy |
| Operator | EDF Energy |
Timeline
| Construction Start | Wednesday, 1 November 1967 |
|---|---|
| First Criticality | Sunday, 27 March 1977 |
| First Grid Connection | Thursday, 31 March 1977 |
| Commercial Operation | Thursday, 31 March 1977 |
| Permanent Shutdown | Friday, 7 January 2022 |
Specifications
| Capacity Net | 495 MWe |
|---|---|
| Capacity Gross | 644 MWe |
| Thermal Capacity | 1496 MWt |
| Design Net Capacity | 624 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1977 | 500 | 3071 | 1047.70 | 46.40 | 32.50 | 32.50 | 31.60 | 31.60 |
| 1978 | 500 | 0 | 0.00 | 0.00 | 0.00 | 14.00 | 0.00 | 13.60 |
| 1979 | 500 | 0 | 0.00 | 0.00 | 0.00 | 8.90 | 0.00 | 8.70 |
| 1980 | 500 | 5147 | 2544.00 | 58.90 | 58.90 | 22.20 | 58.20 | 21.90 |
| 1981 | 500 | 7219 | 3019.90 | 81.10 | 68.20 | 32.00 | 67.80 | 31.70 |
| 1982 | 515 | 5596 | 2706.20 | 64.00 | 59.80 | 36.90 | 60.10 | 36.70 |
| 1983 | 520 | 8524 | 4153.00 | 97.60 | 88.40 | 44.80 | 91.40 | 45.00 |
| 1984 | 550 | 6365 | 3287.00 | 72.90 | 67.70 | 47.90 | 68.40 | 48.30 |
| 1985 | 575 | 8303 | 4507.70 | 95.00 | 88.70 | 53.10 | 89.70 | 53.50 |
| 1986 | 575 | 6496 | 3616.10 | 74.40 | 70.80 | 55.10 | 72.00 | 55.60 |
| 1987 | 575 | 8710 | 4623.40 | 97.80 | 90.50 | 58.70 | 90.30 | 59.10 |
| 1988 | 575 | 5754 | 3115.50 | 65.90 | 61.30 | 58.90 | 62.00 | 59.40 |
| 1989 | 575 | 8643 | 4728.00 | 98.90 | 93.50 | 61.80 | 94.10 | 62.30 |
| 1990 | 575 | 5858 | 3231.25 | 67.10 | 63.80 | 62.00 | 64.30 | 62.50 |
| 1991 | 575 | 8707 | 4727.80 | 99.70 | 94.00 | 64.30 | 94.10 | 64.70 |
| 1992 | 575 | 3733 | 1969.70 | 41.90 | 39.20 | 62.60 | 38.50 | 63.00 |
| 1993 | 575 | 8128 | 4322.10 | 93.00 | 86.10 | 64.10 | 86.00 | 64.40 |
| 1994 | 585 | 6949 | 3784.72 | 79.50 | 74.70 | 64.70 | 74.40 | 65.00 |
| 1995 | 585 | 8315 | 4671.30 | 91.60 | 90.10 | 66.20 | 87.90 | 66.30 |
| 1996 | 585 | 2377 | 1276.60 | 27.10 | 91.80 | 67.60 | 24.80 | 64.10 |
| 1997 | 595 | 8200 | 4559.72 | 93.40 | 87.50 | 68.60 | 87.20 | 65.30 |
| 1998 | 595 | 8149 | 4518.00 | 92.80 | 86.70 | 69.50 | 86.40 | 66.40 |
| 1999 | 595 | 7302 | 4101.97 | 83.10 | 78.80 | 69.90 | 78.50 | 66.90 |
| 2000 | 595 | 6411 | 3241.62 | 73.00 | 62.00 | 69.60 | 62.00 | 66.70 |
| 2001 | 595 | 6485 | 3785.00 | 73.80 | 83.70 | 70.20 | 72.40 | 66.90 |
| 2002 | 595 | 7721 | 4413.06 | 88.10 | 83.10 | 70.70 | 84.70 | 67.70 |
| 2003 | 595 | 8381 | 4627.26 | 95.70 | 87.50 | 71.40 | 88.80 | 68.50 |
| 2004 | 595 | 7799 | 4238.69 | 88.80 | 83.50 | 71.80 | 81.10 | 69.00 |
| 2005 | 595 | 7017 | 3633.64 | 80.10 | 69.40 | 71.70 | 69.70 | 69.00 |
| 2006 | 605 | 6753 | 3745.99 | 77.10 | 71.00 | 71.70 | 71.00 | 69.10 |
| 2007 | 420 | 4642 | 1658.38 | 53.00 | 41.30 | 70.90 | 40.70 | 68.30 |
| 2008 | 410 | 6054 | 2240.71 | 68.90 | 61.90 | 70.70 | 61.80 | 68.20 |
| 2009 | 430 | 8065 | 3217.65 | 92.10 | 85.40 | 71.00 | 86.40 | 68.60 |
| 2010 | 430 | 7876 | 3218.67 | 89.90 | 85.10 | 71.40 | 85.40 | 69.00 |
| 2011 | 430 | 7211 | 2959.85 | 82.30 | 78.30 | 71.50 | 78.60 | 69.20 |
| 2012 | 430 | 8784 | 3635.82 | 100.00 | 95.40 | 72.00 | 96.30 | 69.80 |
| 2013 | 430 | 7601 | 3432.84 | 86.80 | 83.40 | 72.30 | 91.10 | 70.30 |
| 2014 | 485 | 6114 | 2832.36 | 69.80 | 66.50 | 72.20 | 66.70 | 70.20 |
| 2015 | 485 | 8640 | 4134.20 | 98.60 | 95.40 | 72.70 | 97.30 | 70.80 |
| 2016 | 485 | 8399 | 4028.95 | 95.60 | 93.00 | 73.20 | 94.60 | 71.30 |
| 2017 | 485 | 7187 | 3421.34 | 82.00 | 79.50 | 73.30 | 80.50 | 71.60 |
| 2018 | 495 | 6599 | 3142.06 | 75.30 | 73.20 | 73.30 | 72.50 | 71.60 |
| 2019 | 495 | 2572 | 1116.54 | 29.40 | 27.80 | 72.30 | 25.80 | 70.60 |
| 2020 | 495 | 2284 | 1022.14 | 26.00 | 24.80 | 71.30 | 23.50 | 69.60 |
| 2021 | 495 | 7048 | 3246.09 | 80.50 | 75.30 | 71.40 | 74.90 | 69.70 |