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 Saturday, 1 December 1956
First Grid Connection Friday, 1 February 1957
Commercial Operation Friday, 1 February 1957
Permanent Shutdown Monday, 31 March 2003

Specifications

Capacity Net 49 MWe
Capacity Gross 60 MWe
Thermal Capacity 268 MWt
Design Net Capacity 35 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 (%)
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 74.60 80.70 74.80
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 8760 357.50 100.00 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 - - - - - - - -

Source: Operating details - IAEA PRIS


See Also

Nuclear Power in United Kingdom

Related News

WNN articles on United Kingdom
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