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WYLFA-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
490
MW
e
550
MW
e
540
MW
e
1920
MW
t
Construction Start Date
First Criticality Date
01 Sep, 1963
01 Sep, 1970
First Grid Connection
Commercial Operation Date
21 Jul, 1971
03 Jan, 1972
Permanent Shutdown Date
25 Apr, 2012
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
109.28 TW.h
69.5 %
82.5 %
30.5 %
69.8 %
Lifetime performance calculated up to year
2012
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
1971
653.040
495
3251
1972
1513.150
495
0
0.0
35.0
35.0
35.0
35.0
1973
1118.450
420
0
0.0
30.5
32.9
30.5
32.9
1974
2182.000
420
8568
98.1
59.5
41.3
59.5
41.3
1975
791.500
420
4437
50.8
21.6
36.6
21.6
36.6
1976
2409.000
420
8633
97.0
66.8
42.5
64.4
42.0
1977
2492.000
420
8008
91.7
70.0
46.9
67.9
46.2
1978
1900.500
420
7739
88.6
52.5
47.7
51.8
47.0
1979
2600.000
420
8694
99.5
74.9
51.0
70.9
49.9
1980
2882.000
420
8609
98.6
78.1
54.0
78.6
53.0
1981
3117.000
420
8823
99.1
83.2
56.9
83.4
56.0
1982
3020.000
420
8700
98.5
81.7
59.1
81.4
58.3
1983
3148.000
420
8715
99.8
83.9
61.1
85.8
60.6
1984
3378.500
420
8728
99.9
89.5
63.3
92.1
63.0
1985
3341.250
420
8736
100.0
88.4
65.0
91.1
64.9
1986
2049.950
420
7939
90.6
61.9
64.8
55.7
64.3
1987
2249.700
420
8611
96.7
58.8
64.5
60.2
64.1
1988
3086.180
420
8530
97.6
83.8
65.6
84.1
65.2
1989
3307.020
420
8572
97.6
86.9
66.8
89.6
66.6
1990
3373.200
420
8549
97.9
89.9
68.0
91.9
67.9
1991
3725.650
420
8374
95.9
89.7
69.0
101.5
69.5
1992
3897.590
475
8904
100.0
92.1
70.3
92.2
70.8
1993
3607.610
475
8477
97.0
86.8
71.1
86.9
71.6
1994
3055.490
475
6933
79.4
72.4
71.2
73.6
71.7
1995
3765.930
475
8760
100.0
90.5
72.0
90.5
72.5
1996
3150.520
475
7445
84.8
75.5
72.2
75.5
72.7
1997
3979.380
490
8342
95.2
92.7
73.1
92.7
73.5
1998
3329.140
490
7128
81.4
78.1
73.3
77.6
73.7
1999
4035.420
490
8656
98.8
93.0
74.1
94.0
74.5
2000
887.010
490
2208
25.1
20.6
72.0
20.6
72.4
2001
1286.370
490
3198
36.5
30.0
70.5
30.0
70.9
2002
3417.230
490
7385
84.3
79.5
70.8
79.6
71.2
2003
3354.410
490
7544
86.1
78.1
71.0
78.2
71.4
2004
3246.960
490
7296
83.1
75.4
71.2
75.4
71.6
2005
3781.990
490
8645
98.7
88.1
71.7
88.1
72.1
2006
1932.560
490
6020
68.7
45.0
70.9
45.0
71.2
2007
3198.800
490
7871
89.8
74.5
71.0
74.5
71.4
2008
2080.950
490
5427
61.8
48.4
70.4
48.4
70.7
2009
3259.420
490
8623
98.4
75.9
70.5
75.9
70.8
2010
1584.600
490
4235
48.3
36.9
69.6
36.9
69.9
2011
2639.960
490
6875
78.5
61.5
69.4
61.5
69.7
2012
1139.780
490
2780
99.9
82.8
69.5
83.6
69.8
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2024-09-18
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