Details
Reactor Type | Gas-Cooled Reactor (or GCR) |
---|---|
Model | MAGNOX |
Owner | Nuclear Decommissioning Authority |
Operator | Magnox, Ltd |
Timeline
Construction Start | Sunday, 1 September 1963 |
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First Criticality | Tuesday, 1 September 1970 |
First Grid Connection | Wednesday, 21 July 1971 |
Commercial Operation | Monday, 3 January 1972 |
Permanent Shutdown | Wednesday, 25 April 2012 |
Specifications
Capacity Net | 490 MWe |
---|---|
Capacity Gross | 540 MWe |
Thermal Capacity | 1920 MWt |
Design Net Capacity | 550 MWe |
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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 (%) |
---|---|---|---|---|---|---|---|---|
1971 | 495 | 3251 | 653.04 | - | - | - | - | - |
1972 | 495 | 0 | 1513.15 | 0.00 | 35.00 | 35.00 | 35.00 | 35.00 |
1973 | 420 | 0 | 1118.45 | 0.00 | 30.50 | 32.90 | 30.50 | 32.90 |
1974 | 420 | 8568 | 2182.00 | 98.10 | 59.50 | 41.30 | 59.50 | 41.30 |
1975 | 420 | 4437 | 791.50 | 50.80 | 21.60 | 36.60 | 21.60 | 36.60 |
1976 | 420 | 8633 | 2409.00 | 97.00 | 66.80 | 42.50 | 64.40 | 42.00 |
1977 | 420 | 8008 | 2492.00 | 91.70 | 70.00 | 46.90 | 67.90 | 46.20 |
1978 | 420 | 7739 | 1900.50 | 88.60 | 52.50 | 47.70 | 51.80 | 47.00 |
1979 | 420 | 8694 | 2600.00 | 99.50 | 74.90 | 51.00 | 70.90 | 49.90 |
1980 | 420 | 8609 | 2882.00 | 98.60 | 78.10 | 54.00 | 78.60 | 53.00 |
1981 | 420 | 8823 | 3117.00 | 99.10 | 83.20 | 56.90 | 83.40 | 56.00 |
1982 | 420 | 8700 | 3020.00 | 98.50 | 81.70 | 59.10 | 81.40 | 58.30 |
1983 | 420 | 8715 | 3148.00 | 99.80 | 83.90 | 61.10 | 85.80 | 60.60 |
1984 | 420 | 8728 | 3378.50 | 99.90 | 89.50 | 63.30 | 92.10 | 63.00 |
1985 | 420 | 8736 | 3341.25 | 100.00 | 88.40 | 65.00 | 91.10 | 64.90 |
1986 | 420 | 7939 | 2049.95 | 90.60 | 61.90 | 64.80 | 55.70 | 64.30 |
1987 | 420 | 8611 | 2249.70 | 96.70 | 58.80 | 64.50 | 60.20 | 64.10 |
1988 | 420 | 8530 | 3086.18 | 97.60 | 83.80 | 65.60 | 84.10 | 65.20 |
1989 | 420 | 8572 | 3307.02 | 97.60 | 86.90 | 66.80 | 89.60 | 66.60 |
1990 | 420 | 8549 | 3373.20 | 97.90 | 89.90 | 68.00 | 91.90 | 67.90 |
1991 | 420 | 8374 | 3725.65 | 95.90 | 89.70 | 69.00 | 101.50 | 69.50 |
1992 | 475 | 8904 | 3897.59 | 100.00 | 92.10 | 70.30 | 92.20 | 70.80 |
1993 | 475 | 8477 | 3607.61 | 97.00 | 86.80 | 71.10 | 86.90 | 71.60 |
1994 | 475 | 6933 | 3055.49 | 79.40 | 72.40 | 71.20 | 73.60 | 71.70 |
1995 | 475 | 8760 | 3765.93 | 100.00 | 90.50 | 72.00 | 90.50 | 72.50 |
1996 | 475 | 7445 | 3150.52 | 84.80 | 75.50 | 72.20 | 75.50 | 72.70 |
1997 | 490 | 8342 | 3979.38 | 95.20 | 92.70 | 73.10 | 92.70 | 73.50 |
1998 | 490 | 7128 | 3329.14 | 81.40 | 78.10 | 73.30 | 77.60 | 73.70 |
1999 | 490 | 8656 | 4035.42 | 98.80 | 93.00 | 74.10 | 94.00 | 74.50 |
2000 | 490 | 2208 | 887.01 | 25.10 | 20.60 | 72.00 | 20.60 | 72.40 |
2001 | 490 | 3198 | 1286.37 | 36.50 | 30.00 | 70.50 | 30.00 | 70.90 |
2002 | 490 | 7385 | 3417.23 | 84.30 | 79.50 | 70.80 | 79.60 | 71.20 |
2003 | 490 | 7544 | 3354.41 | 86.10 | 78.10 | 71.00 | 78.20 | 71.40 |
2004 | 490 | 7296 | 3246.96 | 83.10 | 75.40 | 71.20 | 75.40 | 71.60 |
2005 | 490 | 8645 | 3781.99 | 98.70 | 88.10 | 71.70 | 88.10 | 72.10 |
2006 | 490 | 6020 | 1932.56 | 68.70 | 45.00 | 70.90 | 45.00 | 71.20 |
2007 | 490 | 7871 | 3198.80 | 89.80 | 74.50 | 71.00 | 74.50 | 71.40 |
2008 | 490 | 5427 | 2080.95 | 61.80 | 48.40 | 70.40 | 48.40 | 70.70 |
2009 | 490 | 8623 | 3259.42 | 98.40 | 75.90 | 70.50 | 75.90 | 70.80 |
2010 | 490 | 4235 | 1584.60 | 48.30 | 36.90 | 69.60 | 36.90 | 69.90 |
2011 | 490 | 6875 | 2639.96 | 78.50 | 61.50 | 69.40 | 61.50 | 69.70 |
2012 | 490 | 2780 | 1139.78 | 99.90 | 82.80 | 69.50 | 83.60 | 69.80 |