Details
| Reactor Type | Gas-Cooled Reactor (or GCR) |
|---|---|
| Model | MAGNOX |
| Owner | Nuclear Decommissioning Authority |
| Operator | Magnox, Ltd |
Timeline
| Construction Start | Tuesday, 1 May 1962 |
|---|---|
| First Criticality | Friday, 1 December 1967 |
| First Grid Connection | Saturday, 6 April 1968 |
| Commercial Operation | Monday, 30 September 1968 |
| Permanent Shutdown | Thursday, 30 June 2011 |
Specifications
| Capacity Net | 217 MWe |
|---|---|
| Capacity Gross | 230 MWe |
| Thermal Capacity | 660 MWt |
| Design Net Capacity | 300 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1968 | - | - | - | - | - | - | - | - |
| 1969 | - | - | - | - | - | - | - | - |
| 1970 | 212 | 0 | 1273.00 | 0.00 | 100.00 | - | 68.60 | - |
| 1971 | 212 | 8759 | 1560.45 | 99.40 | 86.90 | 93.40 | 83.60 | 76.10 |
| 1972 | 210 | 8736 | 1436.45 | 100.00 | 76.00 | 87.70 | 78.30 | 76.80 |
| 1973 | 200 | 8704 | 1265.20 | 99.60 | 63.30 | 81.80 | 72.40 | 75.80 |
| 1974 | 200 | 8731 | 1355.00 | 99.90 | 74.90 | 80.50 | 77.60 | 76.10 |
| 1975 | 204 | 8693 | 1436.50 | 99.50 | 78.90 | 80.20 | 80.60 | 76.80 |
| 1976 | 208 | 8714 | 1508.50 | 97.90 | 80.20 | 80.20 | 81.40 | 77.50 |
| 1977 | 208 | 8736 | 1555.00 | 100.00 | 85.50 | 80.90 | 85.60 | 78.50 |
| 1978 | 208 | 8736 | 1533.50 | 100.00 | 84.50 | 81.30 | 84.40 | 79.20 |
| 1979 | 208 | 8736 | 1592.00 | 100.00 | 88.00 | 82.00 | 87.60 | 80.00 |
| 1980 | 208 | 8736 | 1648.00 | 100.00 | 86.20 | 82.40 | 90.70 | 81.00 |
| 1981 | 208 | 8904 | 1688.00 | 100.00 | 85.50 | 82.60 | 91.10 | 81.90 |
| 1982 | 208 | 8736 | 1717.00 | 100.00 | 86.00 | 82.90 | 94.50 | 82.80 |
| 1983 | 217 | 8566 | 1506.50 | 98.00 | 77.40 | 82.50 | 79.50 | 82.60 |
| 1984 | 217 | 8736 | 1520.50 | 100.00 | 77.70 | 82.20 | 80.20 | 82.40 |
| 1985 | 217 | 8701 | 1661.05 | 99.60 | 83.20 | 82.20 | 87.60 | 82.80 |
| 1986 | 217 | 8650 | 1654.28 | 99.00 | 85.00 | 82.40 | 87.30 | 83.00 |
| 1987 | 217 | 8904 | 1611.46 | 100.00 | 82.90 | 82.40 | 83.40 | 83.00 |
| 1988 | 217 | 8530 | 1687.60 | 97.60 | 86.00 | 82.60 | 89.00 | 83.40 |
| 1989 | 217 | 8644 | 1457.59 | 99.00 | 82.00 | 82.60 | 76.90 | 83.00 |
| 1990 | 217 | 8713 | 1457.53 | 99.70 | 76.10 | 82.30 | 76.90 | 82.70 |
| 1991 | 217 | 8736 | 1592.09 | 100.00 | 84.30 | 82.40 | 84.00 | 82.80 |
| 1992 | 217 | 8857 | 1706.07 | 99.50 | 88.60 | 82.60 | 88.30 | 83.00 |
| 1993 | 217 | 8736 | 1770.63 | 100.00 | 92.50 | 83.10 | 93.40 | 83.50 |
| 1994 | 217 | 8318 | 1743.40 | 95.20 | 91.60 | 83.40 | 92.00 | 83.80 |
| 1995 | 217 | 8613 | 1841.31 | 98.30 | 96.70 | 83.90 | 96.90 | 84.30 |
| 1996 | 217 | 8641 | 1790.89 | 98.40 | 94.00 | 84.30 | 94.00 | 84.70 |
| 1997 | 217 | 8618 | 1832.39 | 98.40 | 96.40 | 84.80 | 96.40 | 85.10 |
| 1998 | 217 | 8760 | 1883.09 | 100.00 | 98.80 | 85.20 | 99.10 | 85.60 |
| 1999 | 217 | 7036 | 1515.45 | 80.30 | 79.30 | 85.00 | 79.70 | 85.40 |
| 2000 | 217 | 8685 | 1951.59 | 98.90 | 98.60 | 85.50 | 102.40 | 86.00 |
| 2001 | 217 | 8715 | 1939.82 | 99.50 | 98.80 | 85.90 | 102.00 | 86.50 |
| 2002 | 217 | 7724 | 1705.69 | 88.20 | 87.80 | 86.00 | 89.70 | 86.60 |
| 2003 | 217 | 8187 | 1859.37 | 93.50 | 93.40 | 86.20 | 97.80 | 86.90 |
| 2004 | 217 | 8187 | 1686.38 | 93.20 | 88.50 | 86.30 | 88.50 | 87.00 |
| 2005 | 217 | 3743 | 776.53 | 42.70 | 40.80 | 85.00 | 40.80 | 85.70 |
| 2006 | 217 | 0 | 0.00 | 0.00 | 0.00 | 82.60 | 0.00 | 83.30 |
| 2007 | 217 | 3178 | 618.00 | 36.30 | 32.50 | 81.30 | 32.50 | 82.00 |
| 2008 | 217 | 8241 | 1660.09 | 93.80 | 87.20 | 81.50 | 87.10 | 82.10 |
| 2009 | 217 | 6439 | 1265.09 | 73.50 | 66.60 | 81.10 | 66.60 | 81.70 |
| 2010 | 217 | 6579 | 1371.88 | 75.10 | 72.20 | 80.90 | 72.20 | 81.50 |
| 2011 | 217 | 3113 | 624.93 | 71.70 | 66.30 | 80.70 | 66.30 | 81.30 |