Details

Reactor Type Steam Generating Heavy Water Reactor (or SGHWR)
Model
Owner United Kingdom Atomic Energy Authority
Operator United Kingdom Atomic Energy Authority

Timeline

Construction Start Wednesday, 1 May 1963
First Criticality Friday, 1 September 1967
First Grid Connection Friday, 1 December 1967
Commercial Operation Monday, 1 January 1968
Permanent Shutdown Tuesday, 11 September 1990

Specifications

Capacity Net 92 MWe
Capacity Gross 100 MWe
Thermal Capacity 318 MWt
Design Net Capacity 92 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 (%)
1967 - - - - - - - -
1968 - - - - - - - -
1969 - - - - - - - -
1970 - - - - - - - -
1971 100 5374 507.10 61.40 57.90 - 57.90 -
1972 100 2477 236.70 28.20 26.90 - 27.00 -
1973 100 5346 528.30 61.00 60.10 48.30 60.30 48.40
1974 100 4998 489.10 57.00 55.80 50.20 55.80 50.20
1975 100 5337 533.60 60.90 60.20 52.20 60.90 52.40
1976 92 4610 421.00 52.50 60.00 53.40 52.10 52.30
1977 92 5737 536.00 65.50 72.40 55.90 66.50 54.20
1978 92 5864 551.00 66.90 63.60 56.80 68.40 55.90
1979 92 5780 538.00 66.00 67.60 58.00 66.80 57.00
1980 92 5980 565.00 68.10 70.10 59.20 69.90 58.30
1981 92 5650 491.00 64.50 60.40 59.20 60.90 58.50
1982 92 6228 542.00 71.10 67.10 59.90 67.20 59.20
1983 93 6468 651.00 73.80 79.60 61.40 79.90 60.80
1984 92 5831 546.00 66.40 67.20 61.80 67.60 61.20
1985 92 4157 388.80 47.40 47.10 60.80 48.20 60.40
1986 92 5825 538.00 66.50 66.20 61.20 66.80 60.80
1987 92 5619 518.00 64.10 63.80 61.30 64.30 61.00
1988 92 5331 492.00 60.70 60.50 61.30 60.90 61.00
1989 92 4594 423.29 52.40 51.20 60.70 52.50 60.60
1990 92 4064 368.00 65.20 74.90 61.20 64.10 60.70

Source: Operating details - IAEA PRIS


See Also

Nuclear Power in United Kingdom

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