Details
| Reactor Type | Gas-Cooled Reactor (or GCR) |
|---|---|
| Model | MAGNOX |
| Owner | Nuclear Decommissioning Authority |
| Operator | Magnox, Ltd |
Timeline
| Construction Start | Friday, 1 July 1960 |
|---|---|
| First Criticality | Wednesday, 1 September 1965 |
| First Grid Connection | Monday, 1 November 1965 |
| Commercial Operation | Thursday, 30 December 1965 |
| Permanent Shutdown | Sunday, 31 December 2006 |
Specifications
| Capacity Net | 225 MWe |
|---|---|
| Capacity Gross | 230 MWe |
| Thermal Capacity | 840 MWt |
| Design Net Capacity | 275 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1965 | - | - | - | - | - | - | - | - |
| 1966 | - | - | - | - | - | - | - | - |
| 1967 | - | - | - | - | - | - | - | - |
| 1968 | - | - | - | - | - | - | - | - |
| 1969 | - | - | - | - | - | - | - | - |
| 1970 | 289 | 0 | 1588.00 | 0.00 | 62.90 | - | 62.70 | - |
| 1971 | 235 | 8809 | 1703.50 | 100.00 | 82.30 | - | 82.30 | - |
| 1972 | 285 | 8736 | 1709.45 | 100.00 | 68.60 | - | 68.70 | - |
| 1973 | 205 | 8736 | 1605.50 | 100.00 | 89.00 | 74.30 | 89.60 | 74.40 |
| 1974 | 205 | 8672 | 1687.00 | 99.30 | 93.80 | 77.60 | 94.20 | 77.70 |
| 1975 | 205 | 8736 | 1648.50 | 100.00 | 92.00 | 79.60 | 92.00 | 79.80 |
| 1976 | 205 | 8867 | 1530.50 | 99.60 | 83.80 | 80.20 | 83.80 | 80.30 |
| 1977 | 205 | 8736 | 1409.50 | 100.00 | 78.90 | 80.00 | 78.70 | 80.10 |
| 1978 | 205 | 8731 | 1333.50 | 99.90 | 74.70 | 79.50 | 74.50 | 79.50 |
| 1979 | 205 | 6905 | 584.50 | 79.00 | 39.50 | 75.80 | 32.60 | 75.30 |
| 1980 | 205 | 540 | 34.50 | 6.20 | 2.10 | 69.70 | 1.90 | 69.20 |
| 1981 | 205 | 840 | 60.00 | 9.40 | 2.40 | 64.40 | 3.30 | 64.00 |
| 1982 | 205 | 8666 | 1295.00 | 99.20 | 72.30 | 65.00 | 72.30 | 64.60 |
| 1983 | 205 | 8736 | 1481.00 | 100.00 | 82.40 | 66.10 | 82.70 | 65.80 |
| 1984 | 205 | 8736 | 1457.00 | 100.00 | 80.90 | 67.10 | 81.40 | 66.80 |
| 1985 | 212 | 8716 | 1668.17 | 99.80 | 90.60 | 68.50 | 90.10 | 68.20 |
| 1986 | 212 | 8678 | 1313.18 | 99.30 | 70.20 | 68.60 | 70.90 | 68.30 |
| 1987 | 212 | 8796 | 1527.39 | 98.80 | 81.30 | 69.30 | 80.90 | 69.00 |
| 1988 | 212 | 8568 | 1042.38 | 98.10 | 61.70 | 68.90 | 56.30 | 68.40 |
| 1989 | 212 | 8736 | 1101.50 | 100.00 | 59.40 | 68.40 | 59.50 | 67.90 |
| 1990 | 212 | 8711 | 1497.66 | 99.70 | 81.00 | 69.00 | 80.90 | 68.50 |
| 1991 | 212 | 8695 | 1600.20 | 99.50 | 90.60 | 70.00 | 86.40 | 69.30 |
| 1992 | 220 | 8905 | 1872.83 | 100.00 | 95.90 | 71.10 | 98.20 | 70.60 |
| 1993 | 220 | 8697 | 1609.69 | 99.60 | 83.40 | 71.60 | 83.80 | 71.20 |
| 1994 | 220 | 8101 | 1770.33 | 92.70 | 92.00 | 72.50 | 92.10 | 72.00 |
| 1995 | 220 | 6908 | 1514.04 | 78.90 | 78.10 | 72.70 | 78.60 | 72.30 |
| 1996 | 220 | 6725 | 1496.68 | 76.60 | 76.70 | 72.80 | 77.40 | 72.50 |
| 1997 | 220 | 7736 | 1723.87 | 88.30 | 87.50 | 73.40 | 89.40 | 73.10 |
| 1998 | 225 | 8647 | 1888.98 | 98.70 | 95.80 | 74.20 | 95.80 | 73.90 |
| 1999 | 225 | 7591 | 1604.54 | 86.70 | 81.40 | 74.40 | 81.40 | 74.10 |
| 2000 | 225 | 7859 | 1574.75 | 89.50 | 79.70 | 74.60 | 79.70 | 74.30 |
| 2001 | 225 | 7162 | 1462.72 | 81.80 | 74.20 | 74.60 | 74.20 | 74.30 |
| 2002 | 225 | 8349 | 1732.79 | 95.30 | 87.90 | 75.00 | 87.90 | 74.80 |
| 2003 | 225 | 6196 | 1279.73 | 70.70 | 64.90 | 74.70 | 64.90 | 74.40 |
| 2004 | 225 | 8280 | 1674.57 | 94.30 | 84.70 | 75.00 | 84.70 | 74.80 |
| 2005 | 225 | 6589 | 1216.73 | 75.20 | 61.70 | 74.60 | 61.70 | 74.40 |
| 2006 | 225 | 8671 | 1824.63 | 99.00 | 92.80 | 75.10 | 92.60 | 74.90 |