Details
| Reactor Type | Gas-Cooled Reactor (or GCR) |
|---|---|
| Model | MAGNOX |
| Owner | Nuclear Decommissioning Authority |
| Operator | Magnox, Ltd |
Timeline
| Construction Start | Tuesday, 1 January 1957 |
|---|---|
| First Criticality | Sunday, 1 April 1962 |
| First Grid Connection | Friday, 6 July 1962 |
| Commercial Operation | Monday, 12 November 1962 |
| Permanent Shutdown | Saturday, 30 March 2002 |
Specifications
| Capacity Net | 123 MWe |
|---|---|
| Capacity Gross | 146 MWe |
| Thermal Capacity | 481 MWt |
| Design Net Capacity | 150 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1962 | - | - | - | - | - | - | - | - |
| 1963 | - | - | - | - | - | - | - | - |
| 1964 | - | - | - | - | - | - | - | - |
| 1965 | - | - | - | - | - | - | - | - |
| 1966 | - | - | - | - | - | - | - | - |
| 1967 | - | - | - | - | - | - | - | - |
| 1968 | - | - | - | - | - | - | - | - |
| 1969 | - | - | - | - | - | - | - | - |
| 1970 | 187 | 0 | 908.50 | 0.00 | 55.40 | - | 55.50 | - |
| 1971 | 145 | 8760 | 913.60 | 100.00 | 69.70 | - | 71.90 | - |
| 1972 | 145 | 8736 | 1064.30 | 100.00 | 83.40 | - | 84.00 | - |
| 1973 | 125 | 8736 | 826.45 | 100.00 | 81.60 | - | 75.70 | - |
| 1974 | 125 | 8224 | 861.50 | 94.10 | 78.90 | - | 78.90 | - |
| 1975 | 125 | 8736 | 874.50 | 100.00 | 80.00 | - | 80.10 | - |
| 1976 | 125 | 8904 | 868.00 | 100.00 | 77.90 | - | 78.00 | - |
| 1977 | 125 | 8702 | 860.00 | 99.60 | 78.60 | 74.60 | 78.80 | 74.30 |
| 1978 | 125 | 8658 | 760.00 | 99.10 | 69.60 | 74.10 | 69.60 | 73.80 |
| 1979 | 125 | 8655 | 692.00 | 99.10 | 63.80 | 73.10 | 63.40 | 72.90 |
| 1980 | 125 | 1015 | 62.00 | 11.60 | 5.80 | 67.40 | 5.70 | 67.20 |
| 1981 | 125 | 0 | 0.00 | 0.00 | 0.00 | 62.10 | 0.00 | 61.90 |
| 1982 | 123 | 7615 | 447.00 | 87.20 | 42.70 | 60.70 | 41.60 | 60.40 |
| 1983 | 123 | 8681 | 619.50 | 99.40 | 58.30 | 60.60 | 57.60 | 60.20 |
| 1984 | 123 | 8736 | 849.00 | 100.00 | 79.50 | 61.70 | 79.00 | 61.40 |
| 1985 | 123 | 8736 | 935.10 | 100.00 | 88.10 | 63.30 | 87.00 | 62.90 |
| 1986 | 123 | 8736 | 791.35 | 100.00 | 74.30 | 63.90 | 73.60 | 63.50 |
| 1987 | 123 | 8904 | 931.62 | 100.00 | 85.50 | 65.00 | 85.10 | 64.70 |
| 1988 | 123 | 8568 | 849.59 | 98.10 | 79.40 | 65.80 | 79.10 | 65.40 |
| 1989 | 123 | 5132 | 402.01 | 58.80 | 39.00 | 64.50 | 37.40 | 64.00 |
| 1990 | 123 | 8705 | 741.65 | 99.60 | 69.80 | 64.70 | 69.00 | 64.30 |
| 1991 | 123 | 8485 | 807.08 | 97.10 | 77.10 | 65.30 | 75.10 | 64.80 |
| 1992 | 123 | 5690 | 591.92 | 63.90 | 49.40 | 64.60 | 54.00 | 64.30 |
| 1993 | 123 | 8736 | 818.97 | 100.00 | 76.20 | 65.10 | 76.20 | 64.80 |
| 1994 | 123 | 8057 | 906.47 | 92.20 | 84.40 | 65.80 | 84.40 | 65.50 |
| 1995 | - | - | - | - | - | - | - | - |
| 1996 | - | - | - | - | - | - | - | - |
| 1997 | - | - | - | - | - | - | - | - |
| 1998 | - | - | - | - | - | - | - | - |
| 1999 | - | - | - | - | - | - | - | - |
| 2000 | - | - | - | - | - | - | - | - |
| 2001 | - | - | - | - | - | - | - | - |
| 2002 | - | - | - | - | - | - | - | - |