Details
| Reactor Type | Gas-Cooled Reactor (or GCR) |
|---|---|
| Model | MAGNOX |
| Owner | Nuclear Decommissioning Authority |
| Operator | Sellafield Limited |
Timeline
| Construction Start | Saturday, 1 August 1953 |
|---|---|
| First Criticality | Tuesday, 1 May 1956 |
| First Grid Connection | Monday, 27 August 1956 |
| Commercial Operation | Monday, 1 October 1956 |
| Permanent Shutdown | Monday, 31 March 2003 |
Specifications
| Capacity Net | 49 MWe |
|---|---|
| Capacity Gross | 60 MWe |
| Thermal Capacity | 268 MWt |
| Design Net Capacity | 35 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 (%) |
|---|---|---|---|---|---|---|---|---|
| 1956 | - | - | - | - | - | - | - | - |
| 1957 | - | - | - | - | - | - | - | - |
| 1958 | - | - | - | - | - | - | - | - |
| 1959 | - | - | - | - | - | - | - | - |
| 1960 | - | - | - | - | - | - | - | - |
| 1961 | - | - | - | - | - | - | - | - |
| 1962 | - | - | - | - | - | - | - | - |
| 1963 | - | - | - | - | - | - | - | - |
| 1964 | - | - | - | - | - | - | - | - |
| 1965 | - | - | - | - | - | - | - | - |
| 1966 | - | - | - | - | - | - | - | - |
| 1967 | - | - | - | - | - | - | - | - |
| 1968 | - | - | - | - | - | - | - | - |
| 1969 | - | - | - | - | - | - | - | - |
| 1970 | - | - | - | - | - | - | - | - |
| 1971 | 60 | 8760 | 476.50 | 100.00 | 90.70 | - | 90.70 | - |
| 1972 | 60 | 8784 | 477.52 | 100.00 | 90.60 | - | 90.60 | - |
| 1973 | 49 | 8760 | 381.25 | 100.00 | 59.40 | - | 88.80 | - |
| 1974 | 49 | 8066 | 380.95 | 92.10 | 90.00 | - | 88.80 | - |
| 1975 | 49 | 8760 | 290.82 | 100.00 | 67.50 | - | 67.80 | - |
| 1976 | - | - | - | - | - | - | - | - |
| 1977 | 50 | 0 | 208.22 | 0.00 | 47.50 | - | 47.50 | - |
| 1978 | 50 | 0 | 255.25 | 0.00 | 58.30 | - | 58.30 | - |
| 1979 | 50 | 0 | 209.75 | 0.00 | 47.90 | - | 47.90 | - |
| 1980 | 50 | 8784 | 241.25 | 100.00 | 54.90 | - | 54.90 | - |
| 1981 | 50 | 8760 | 328.50 | 100.00 | 76.00 | - | 75.00 | - |
| 1982 | 50 | 8760 | 350.75 | 100.00 | 81.10 | - | 80.10 | - |
| 1983 | 50 | 8749 | 353.00 | 99.90 | 81.60 | - | 80.60 | - |
| 1984 | 50 | 8784 | 360.00 | 100.00 | 96.70 | - | 82.00 | - |
| 1985 | 50 | 7888 | 360.03 | 90.00 | 83.20 | - | 82.20 | - |
| 1986 | 50 | 7646 | 353.35 | 87.30 | 87.00 | - | 80.70 | - |
| 1987 | 50 | 7597 | 334.25 | 86.70 | 82.60 | 75.10 | 76.30 | 74.90 |
| 1988 | 50 | 7129 | 325.59 | 81.20 | 86.40 | 75.80 | 74.10 | 74.80 |
| 1989 | 50 | 7447 | 349.01 | 85.00 | 86.00 | 76.30 | 79.70 | 75.10 |
| 1990 | 50 | 7453 | 342.77 | 85.10 | 85.80 | 76.80 | 78.30 | 75.30 |
| 1991 | 50 | 7513 | 340.50 | 85.80 | 84.60 | 77.20 | 77.70 | 75.40 |
| 1992 | 50 | 7570 | 355.79 | 86.20 | 85.90 | 77.60 | 81.00 | 75.60 |
| 1993 | 50 | 8108 | 368.75 | 92.60 | 90.80 | 78.20 | 84.20 | 76.00 |
| 1994 | 50 | 8011 | 372.98 | 91.40 | 92.10 | 78.80 | 85.20 | 76.40 |
| 1995 | 49 | 7824 | 357.50 | 89.30 | 88.20 | 79.20 | 83.30 | 76.70 |
| 1996 | 49 | 8784 | 347.28 | 100.00 | 85.70 | 79.40 | 80.70 | 76.80 |
| 1997 | 50 | 7567 | 343.58 | 86.40 | 85.10 | 79.60 | 78.40 | 76.90 |
| 1998 | - | - | - | - | - | - | - | - |
| 1999 | - | - | - | - | - | - | - | - |
| 2000 | - | - | - | - | - | - | - | - |
| 2001 | - | - | - | - | - | - | - | - |
| 2002 | - | - | - | - | - | - | - | - |
| 2003 | - | - | - | - | - | - | - | - |