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 Thursday, 1 March 1962
First Grid Connection Sunday, 24 June 1962
Commercial Operation Saturday, 20 October 1962
Permanent Shutdown Wednesday, 26 October 1988

Specifications

Capacity Net 138 MWe
Capacity Gross 166 MWe
Thermal Capacity 620 MWt
Design Net Capacity 138 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 167 0 1308.00 0.00 89.00 - 89.40 -
1971 166 8809 1276.85 100.00 87.30 - 87.30 -
1972 166 8700 1135.00 99.60 78.30 - 78.30 -
1973 138 8736 1046.85 100.00 89.00 - 86.80 -
1974 138 8665 984.00 99.20 81.60 - 81.60 -
1975 138 8693 986.50 99.50 81.80 - 81.80 -
1976 138 8904 989.50 100.00 83.40 - 80.50 -
1977 138 8736 916.50 100.00 80.10 83.90 76.00 82.90
1978 138 8602 723.50 98.50 60.80 81.50 60.00 80.50
1979 138 8702 738.50 99.60 61.40 79.60 61.30 78.70
1980 138 8676 616.50 99.30 54.50 77.40 51.10 76.40
1981 138 1631 97.50 18.30 8.10 71.90 7.90 70.80
1982 138 3266 122.00 37.40 10.50 67.40 10.10 66.40
1983 138 8368 379.50 95.80 31.70 65.00 31.50 64.00
1984 138 7795 395.00 89.20 32.60 62.90 32.80 62.00
1985 138 6934 515.39 79.40 43.10 61.70 42.80 60.90
1986 138 6522 399.00 74.70 33.20 60.10 33.10 59.30
1987 138 8349 478.77 93.80 39.20 59.00 39.00 58.20
1988 138 6776 542.75 93.80 54.40 58.80 54.40 58.00

Source: Operating details - IAEA PRIS


See Also

Nuclear Power in United Kingdom

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