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About PRIS
BERKELEY-1
Permanent Shutdown
Reactor Details
Reactor Type
Model
Owner
Operator
GCR
MAGNOX
Nuclear Decommissioning Authority
MAGNOX, LTD
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
138
MW
e
138
MW
e
166
MW
e
620
MW
t
Construction Start Date
First Criticality Date
01 Jan, 1957
01 Aug, 1961
First Grid Connection
Commercial Operation Date
12 Jun, 1962
12 Jun, 1962
Permanent Shutdown Date
31 Mar, 1989
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
21.01 TW.h
59.0 %
82.4 %
41.0 %
58.2 %
Lifetime performance calculated up to year
1987
Operating History
Year
Electricity Supplied
[GW.h]
Reference Unit Power
[MW]
Annual Time On Line
[h]
Operation Factor
[%]
Energy Availability Factor
[%]
Load Factor
[%]
Annual
Cumulative
Annual
Cumulative
1962
Data Not Provided
1963
"
1964
"
1965
"
1966
"
1967
"
1968
"
1969
"
1970
1308.000
167
0
0.0
89.0
NC
89.4
NC
1971
1276.850
166
8809
100.0
87.3
NC
87.3
NC
1972
1135.000
166
8700
99.6
78.3
NC
78.3
NC
1973
1046.850
138
8736
100.0
89.0
NC
86.8
NC
1974
984.000
138
8665
99.2
81.6
NC
81.6
NC
1975
986.500
138
8693
99.5
81.8
NC
81.8
NC
1976
989.500
138
8904
100.0
83.4
NC
80.5
NC
1977
916.500
138
8736
100.0
80.1
83.9
76.0
82.9
1978
723.500
138
8602
98.5
60.8
81.5
60.0
80.5
1979
738.500
138
8702
99.6
61.4
79.6
61.3
78.7
1980
616.500
138
8676
99.3
54.5
77.4
51.1
76.4
1981
97.500
138
1631
18.3
8.1
71.9
7.9
70.8
1982
122.000
138
3266
37.4
10.5
67.4
10.1
66.4
1983
379.500
138
8368
95.8
31.7
65.0
31.5
64.0
1984
395.000
138
7795
89.2
32.6
62.9
32.8
62.0
1985
515.390
138
6934
79.4
43.1
61.7
42.8
60.9
1986
399.000
138
6522
74.7
33.2
60.1
33.1
59.3
1987
478.770
138
8349
93.8
39.2
59.0
39.0
58.2
1988
Data incomplete
1989
Data Not Provided
Performance indicators are calculated from the Commercial Operation Date.
NC – cumulative values not calculated when more than 50% of required data is missing in PRIS
Above data generated by the PRIS database. Last update on 2024-10-03
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UNITED KINGDOM
BERKELEY-1
BERKELEY-2
BRADWELL-1
BRADWELL-2
CALDER HALL-1
CALDER HALL-2
CALDER HALL-3
CALDER HALL-4
CHAPELCROSS-1
CHAPELCROSS-2
CHAPELCROSS-3
CHAPELCROSS-4
DOUNREAY DFR
DOUNREAY PFR
DUNGENESS A-1
DUNGENESS A-2
DUNGENESS B-1
DUNGENESS B-2
HARTLEPOOL A-1
HARTLEPOOL A-2
HEYSHAM A-1
HEYSHAM A-2
HEYSHAM B-1
HEYSHAM B-2
HINKLEY POINT A-1
HINKLEY POINT A-2
HINKLEY POINT B-1
HINKLEY POINT B-2
HINKLEY POINT C-1
HINKLEY POINT C-2
HUNTERSTON A-1
HUNTERSTON A-2
HUNTERSTON B-1
HUNTERSTON B-2
OLDBURY A-1
OLDBURY A-2
SIZEWELL A-1
SIZEWELL A-2
SIZEWELL B
TORNESS-1
TORNESS-2
TRAWSFYNYDD-1
TRAWSFYNYDD-2
WINDSCALE AGR
WINFRITH SGHWR
WYLFA-1
WYLFA-2