Details
| Reactor Type | Gas-Cooled Reactor (or GCR) |
|---|---|
| Model | MAGNOX |
| Owner | Nuclear Decommissioning Authority |
| Operator | Magnox, Ltd |
Timeline
| Construction Start | Saturday, 1 April 1961 |
|---|---|
| First Criticality | Tuesday, 1 June 1965 |
| First Grid Connection | Friday, 21 January 1966 |
| Commercial Operation | Friday, 25 March 1966 |
| Permanent Shutdown | Sunday, 31 December 2006 |
Specifications
| Capacity Net | 210 MWe |
|---|---|
| Capacity Gross | 245 MWe |
| Thermal Capacity | 1010 MWt |
| Design Net Capacity | 290 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1966 | - | - | - | - | - | - | - | - |
| 1967 | - | - | - | - | - | - | - | - |
| 1968 | - | - | - | - | - | - | - | - |
| 1969 | - | - | - | - | - | - | - | - |
| 1970 | 326 | 0 | 1815.00 | 0.00 | 63.60 | - | 63.60 | - |
| 1971 | 245 | 8690 | 1934.30 | 99.20 | 95.70 | - | 90.10 | - |
| 1972 | 245 | 0 | 1632.70 | 0.00 | 74.50 | - | 75.90 | - |
| 1973 | 210 | 7975 | 1455.15 | 91.30 | 80.70 | 77.30 | 79.30 | 76.10 |
| 1974 | 210 | 8719 | 1558.00 | 99.80 | 84.10 | 78.50 | 84.90 | 77.60 |
| 1975 | 210 | 8675 | 1712.00 | 99.30 | 91.90 | 80.40 | 93.30 | 79.80 |
| 1976 | 210 | 8904 | 1701.50 | 100.00 | 89.90 | 81.60 | 91.00 | 81.30 |
| 1977 | 210 | 8736 | 1662.00 | 100.00 | 90.10 | 82.60 | 90.60 | 82.30 |
| 1978 | 210 | 8736 | 1686.00 | 100.00 | 90.90 | 83.40 | 91.90 | 83.30 |
| 1979 | 210 | 8736 | 1655.00 | 100.00 | 91.00 | 84.10 | 90.20 | 83.90 |
| 1980 | 210 | 8694 | 1396.00 | 99.50 | 77.50 | 83.60 | 76.10 | 83.30 |
| 1981 | 210 | 8735 | 1065.50 | 98.10 | 55.30 | 81.30 | 57.00 | 81.20 |
| 1982 | 210 | 8659 | 944.50 | 99.10 | 56.10 | 79.50 | 51.50 | 79.10 |
| 1983 | 210 | 8736 | 1575.50 | 100.00 | 92.40 | 80.40 | 85.90 | 79.50 |
| 1984 | 210 | 7256 | 922.50 | 83.10 | 49.20 | 78.40 | 50.30 | 77.70 |
| 1985 | 210 | 8691 | 1344.41 | 99.50 | 71.10 | 78.00 | 73.30 | 77.40 |
| 1986 | 210 | 8660 | 995.27 | 99.10 | 53.20 | 76.60 | 54.20 | 76.10 |
| 1987 | 210 | 8904 | 1379.98 | 100.00 | 73.20 | 76.40 | 73.80 | 76.00 |
| 1988 | 210 | 8530 | 1336.28 | 97.60 | 72.00 | 76.20 | 72.80 | 75.80 |
| 1989 | 210 | 8433 | 1297.52 | 96.50 | 70.00 | 75.90 | 70.70 | 75.60 |
| 1990 | 210 | 8016 | 1345.86 | 91.80 | 72.90 | 75.80 | 73.40 | 75.50 |
| 1991 | 210 | 8655 | 1373.18 | 99.10 | 78.70 | 75.90 | 74.80 | 75.50 |
| 1992 | 210 | 8077 | 1133.39 | 90.70 | 66.90 | 75.50 | 60.60 | 74.80 |
| 1993 | 210 | 8730 | 1511.71 | 99.90 | 82.00 | 75.80 | 82.40 | 75.20 |
| 1994 | 210 | 8125 | 1687.87 | 93.00 | 91.60 | 76.40 | 92.00 | 75.80 |
| 1995 | 210 | 7640 | 1555.76 | 87.20 | 84.00 | 76.70 | 84.60 | 76.10 |
| 1996 | 210 | 2233 | 415.04 | 25.40 | 22.50 | 74.70 | 22.50 | 74.20 |
| 1997 | 210 | 8350 | 1743.70 | 95.30 | 93.80 | 75.40 | 94.80 | 74.90 |
| 1998 | 210 | 5818 | 1208.39 | 66.40 | 64.40 | 75.00 | 65.70 | 74.60 |
| 1999 | 210 | 6488 | 1238.35 | 74.10 | 67.30 | 74.80 | 67.30 | 74.40 |
| 2000 | 210 | 4464 | 949.40 | 50.80 | 50.80 | 74.00 | 51.50 | 73.60 |
| 2001 | 210 | 8339 | 1783.29 | 95.20 | 94.20 | 74.60 | 96.90 | 74.40 |
| 2002 | 210 | 6239 | 1335.48 | 71.20 | 70.30 | 74.50 | 72.60 | 74.30 |
| 2003 | 210 | 8379 | 1834.66 | 95.60 | 96.20 | 75.10 | 99.70 | 75.00 |
| 2004 | 210 | 2507 | 526.52 | 28.50 | 28.50 | 73.80 | 28.50 | 73.70 |
| 2005 | 210 | 8760 | 1730.83 | 100.00 | 94.10 | 74.40 | 94.10 | 74.30 |
| 2006 | 210 | 7982 | 1645.11 | 91.40 | 89.30 | 74.80 | 89.70 | 74.70 |