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About PRIS
SIZEWELL A-2
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
210
MW
e
290
MW
e
245
MW
e
1010
MW
t
Construction Start Date
First Criticality Date
01 Apr, 1961
01 Dec, 1965
First Grid Connection
Commercial Operation Date
09 Apr, 1966
15 Sep, 1966
Permanent Shutdown Date
31 Dec, 2006
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
53.34 TW.h
71.5 %
80.9 %
28.5 %
71.3 %
Lifetime performance calculated up to year
2006
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
1966
Data Not Provided
1967
"
1968
"
1969
"
1970
1815.000
326
0
0.0
63.6
NC
63.6
NC
1971
1934.300
245
8690
99.2
95.7
NC
90.1
NC
1972
1632.700
245
0
0.0
74.5
NC
75.9
NC
1973
1455.150
210
7975
91.3
80.7
77.3
79.3
76.1
1974
1558.000
210
8719
99.8
84.1
78.5
84.9
77.6
1975
1712.000
210
8675
99.3
91.9
80.4
93.3
79.8
1976
1701.500
210
8904
100.0
89.9
81.6
91.0
81.3
1977
1662.000
210
8736
100.0
90.1
82.6
90.6
82.3
1978
1686.000
210
8736
100.0
90.9
83.4
91.9
83.3
1979
1655.000
210
8736
100.0
91.0
84.1
90.2
83.9
1980
1396.000
210
8694
99.5
77.5
83.6
76.1
83.3
1981
1065.500
210
8735
98.1
55.3
81.3
57.0
81.2
1982
944.500
210
8659
99.1
56.1
79.5
51.5
79.1
1983
1575.500
210
8736
100.0
92.4
80.4
85.9
79.5
1984
922.500
210
7256
83.1
49.2
78.4
50.3
77.7
1985
1344.410
210
8691
99.5
71.1
78.0
73.3
77.4
1986
995.270
210
8660
99.1
53.2
76.6
54.2
76.1
1987
1379.980
210
8904
100.0
73.2
76.4
73.8
76.0
1988
1336.280
210
8530
97.6
72.0
76.2
72.8
75.8
1989
1297.520
210
8433
96.5
70.0
75.9
70.7
75.6
1990
1345.860
210
8016
91.8
72.9
75.8
73.4
75.5
1991
1373.180
210
8655
99.1
78.7
75.9
74.8
75.5
1992
1133.390
210
8077
90.7
66.9
75.5
60.6
74.8
1993
1511.710
210
8730
99.9
82.0
75.8
82.4
75.2
1994
1687.870
210
8125
93.0
91.6
76.4
92.0
75.8
1995
1260.330
210
6191
70.7
68.5
76.1
68.5
75.5
1996
0.000
210
0
0.0
0.0
73.4
0.0
72.8
1997
0.000
210
0
0.0
0.0
70.8
0.0
70.3
1998
0.000
210
0
0.0
0.0
68.4
0.0
67.9
1999
1238.020
210
6163
70.4
67.2
68.4
67.3
67.9
2000
1809.110
210
8688
98.9
96.9
69.3
98.1
68.9
2001
1243.530
210
5820
66.4
65.7
69.2
67.6
68.8
2002
1669.420
210
8069
92.1
89.4
69.8
90.8
69.5
2003
1419.540
210
6943
79.3
76.7
70.0
77.2
69.7
2004
1710.640
210
8608
98.0
92.7
70.6
92.7
70.3
2005
1521.220
210
7462
85.2
82.7
71.0
82.7
70.7
2006
1720.370
210
8393
95.8
93.2
71.5
93.5
71.3
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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CALDER HALL-1
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CALDER HALL-4
CHAPELCROSS-1
CHAPELCROSS-2
CHAPELCROSS-3
CHAPELCROSS-4
DOUNREAY DFR
DOUNREAY PFR
DUNGENESS A-1
DUNGENESS A-2
DUNGENESS B-1
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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
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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
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