Details
| Reactor Type | Gas-Cooled Reactor (or GCR) |
|---|---|
| Model | AGR |
| Owner | EDF Energy |
| Operator | EDF Energy |
Timeline
| Construction Start | Friday, 1 September 1967 |
|---|---|
| First Criticality | Friday, 24 September 1976 |
| First Grid Connection | Saturday, 30 October 1976 |
| Commercial Operation | Monday, 2 October 1978 |
| Permanent Shutdown | Monday, 1 August 2022 |
Specifications
| Capacity Net | 485 MWe |
|---|---|
| Capacity Gross | 655 MWe |
| Thermal Capacity | 1494 MWt |
| Design Net Capacity | 625 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1976 | - | - | - | - | - | - | - | - |
| 1977 | - | - | - | - | - | - | - | - |
| 1978 | - | - | - | - | - | - | - | - |
| 1979 | 400 | 6646 | 3079.80 | 76.10 | 73.50 | 73.50 | 88.10 | 88.10 |
| 1980 | 500 | 5394 | 2337.16 | 61.70 | 55.40 | 63.60 | 56.30 | 70.90 |
| 1981 | 520 | 7118 | 3441.60 | 79.90 | 74.30 | 67.60 | 74.30 | 72.20 |
| 1982 | 520 | 6000 | 2950.76 | 68.70 | 65.40 | 67.00 | 65.00 | 70.20 |
| 1983 | 520 | 8127 | 4082.98 | 93.00 | 86.60 | 71.20 | 89.90 | 74.40 |
| 1984 | 520 | 6589 | 3408.22 | 75.40 | 71.60 | 71.30 | 75.00 | 74.50 |
| 1985 | 520 | 8167 | 4263.02 | 93.50 | 82.20 | 72.90 | 93.80 | 77.40 |
| 1986 | 560 | 6110 | 3199.19 | 69.90 | 67.20 | 72.10 | 65.40 | 75.70 |
| 1987 | 560 | 3554 | 1837.99 | 39.90 | 38.80 | 68.00 | 36.90 | 70.90 |
| 1988 | 560 | 5370 | 2905.41 | 61.50 | 59.10 | 67.00 | 59.40 | 69.70 |
| 1989 | 560 | 7878 | 4195.30 | 90.20 | 85.50 | 68.80 | 85.80 | 71.20 |
| 1990 | 560 | 5732 | 3101.98 | 65.60 | 63.40 | 68.40 | 63.40 | 70.60 |
| 1991 | 560 | 8430 | 4601.89 | 96.50 | 94.40 | 70.50 | 94.10 | 72.50 |
| 1992 | 585 | 6565 | 3614.47 | 73.70 | 69.80 | 70.40 | 69.50 | 72.20 |
| 1993 | 585 | 8587 | 4843.29 | 97.50 | 94.60 | 72.20 | 94.00 | 73.80 |
| 1994 | 585 | 7342 | 4126.20 | 84.00 | 78.30 | 72.60 | 80.70 | 74.30 |
| 1995 | 610 | 7910 | 4812.46 | 90.00 | 89.60 | 73.70 | 89.80 | 75.30 |
| 1996 | 610 | 8418 | 4797.27 | 95.80 | 89.70 | 74.70 | 89.50 | 76.20 |
| 1997 | 610 | 7341 | 4185.70 | 83.60 | 78.30 | 74.90 | 78.10 | 76.30 |
| 1998 | 610 | 7740 | 4252.57 | 88.10 | 80.90 | 75.30 | 79.40 | 76.50 |
| 1999 | 610 | 7221 | 4045.23 | 82.20 | 77.00 | 75.40 | 75.50 | 76.40 |
| 2000 | 610 | 7208 | 3850.58 | 82.10 | 71.90 | 75.20 | 71.90 | 76.20 |
| 2001 | 610 | 8545 | 4801.96 | 97.30 | 87.00 | 75.70 | 89.60 | 76.80 |
| 2002 | 610 | 8021 | 4580.96 | 91.60 | 85.00 | 76.20 | 85.70 | 77.20 |
| 2003 | 610 | 7032 | 4076.35 | 80.30 | 74.80 | 76.10 | 76.30 | 77.20 |
| 2004 | 610 | 8091 | 4578.71 | 92.10 | 84.80 | 76.50 | 85.40 | 77.60 |
| 2005 | 610 | 8257 | 4580.58 | 94.30 | 85.20 | 76.80 | 85.70 | 77.90 |
| 2006 | 620 | 6200 | 3370.18 | 70.80 | 62.40 | 76.20 | 62.30 | 77.30 |
| 2007 | 430 | 5204 | 1877.41 | 59.40 | 45.20 | 75.40 | 44.90 | 76.30 |
| 2008 | 410 | 6935 | 2628.76 | 79.00 | 72.80 | 75.30 | 72.10 | 76.20 |
| 2009 | 410 | 4963 | 1931.52 | 56.70 | 53.70 | 74.80 | 53.80 | 75.70 |
| 2010 | 410 | 7411 | 3152.41 | 84.60 | 81.80 | 74.90 | 87.80 | 76.00 |
| 2011 | 435 | 7863 | 3329.95 | 89.80 | 86.80 | 75.20 | 87.40 | 76.20 |
| 2012 | 435 | 6693 | 2793.96 | 76.20 | 72.80 | 75.20 | 73.10 | 76.20 |
| 2013 | 440 | 8553 | 3880.00 | 97.60 | 94.70 | 75.60 | 100.70 | 76.80 |
| 2014 | 475 | 7968 | 3751.17 | 91.00 | 88.20 | 75.90 | 90.20 | 77.10 |
| 2015 | 480 | 8614 | 3989.08 | 98.30 | 93.70 | 76.40 | 94.90 | 77.50 |
| 2016 | 480 | 6928 | 3239.17 | 78.90 | 75.90 | 76.30 | 76.80 | 77.50 |
| 2017 | 480 | 8054 | 3809.66 | 91.90 | 89.50 | 76.60 | 90.60 | 77.80 |
| 2018 | 485 | 8305 | 3863.64 | 94.80 | 90.60 | 77.00 | 90.90 | 78.10 |
| 2019 | 485 | 6427 | 2963.04 | 73.40 | 70.20 | 76.80 | 69.70 | 77.90 |
| 2020 | 485 | 2800 | 1275.63 | 31.90 | 30.90 | 75.80 | 29.90 | 76.90 |
| 2021 | 485 | 5206 | 2376.14 | 59.40 | 57.20 | 75.40 | 55.90 | 76.40 |
| 2022 | 485 | 4680 | 2140.11 | 91.50 | 86.80 | 75.60 | 86.70 | 76.50 |