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About PRIS
SAN ONOFRE-2
Permanent Shutdown
Reactor Details
Reactor Type
Model
Owner
Operator
PWR
CE (2-loop) DRYAMB
SOUTHERN CALIFORNIA EDISON Co.
SOUTHERN CALIFORNIA EDISON Co.
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
1070
MW
e
1070
MW
e
1127
MW
e
3438
MW
t
Construction Start Date
First Criticality Date
01 Mar, 1974
26 Jul, 1982
First Grid Connection
Commercial Operation Date
20 Sep, 1982
08 Aug, 1983
Permanent Shutdown Date
07 Jun, 2013
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
219.23 TW.h
77.2 %
77.1 %
22.8 %
78.0 %
Lifetime performance calculated up to year
2013
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
1982
126.000
1087
824
1983
3660.400
1083
4236
69.7
73.5
73.5
69.8
69.8
1984
5272.640
1070
5167
58.8
58.9
63.2
56.1
60.2
1985
5173.990
1070
5114
58.4
58.4
61.2
55.2
58.1
1986
6371.300
1070
6266
71.5
71.6
64.2
68.0
61.0
1987
6247.340
1070
6067
69.3
69.3
65.4
66.6
62.3
1988
9002.740
1070
8237
93.8
93.8
70.6
95.8
68.5
1989
5237.730
1070
4956
56.6
56.6
68.5
55.9
66.5
1990
8309.680
1070
7657
87.4
87.4
71.0
88.6
69.5
1991
5769.400
1070
5637
64.4
64.4
70.2
61.6
68.5
1992
8795.180
1070
8214
93.5
93.5
72.7
93.6
71.2
1993
7655.010
1070
7213
82.3
82.4
73.6
81.7
72.2
1994
9309.210
1070
8760
100.0
100.0
75.9
99.3
74.6
1995
6496.040
1070
6197
70.7
70.8
75.5
69.3
74.2
1996
8550.230
1070
8016
91.3
91.3
76.7
91.0
75.4
1997
6656.330
1070
6197
70.7
70.8
76.3
71.0
75.1
1998
8430.210
1070
7792
89.0
89.0
77.1
89.9
76.1
1999
8243.550
1070
7447
85.0
85.0
77.6
88.0
76.8
2000
8524.200
1070
7818
89.0
89.0
78.2
90.7
77.6
2001
9492.020
1070
8538
97.5
97.5
79.3
101.3
78.9
2002
8510.460
1070
7618
87.0
87.0
79.7
90.8
79.5
2003
9712.480
1070
8671
99.0
99.0
80.6
103.6
80.7
2004
8068.020
1070
7263
82.7
82.7
80.7
85.8
80.9
2005
8931.730
1070
8117
92.6
92.7
81.2
95.3
81.6
2006
6769.270
1070
6134
70.0
70.0
80.8
72.2
81.2
2007
8304.060
1070
7526
85.9
85.9
81.0
88.6
81.5
2008
8856.810
1070
8089
92.1
92.1
81.4
94.2
82.0
2009
5709.850
1070
5220
59.6
59.6
80.6
60.9
81.2
2010
7038.620
1070
6341
72.4
72.4
80.3
75.1
80.9
2011
9817.180
1070
8695
99.3
99.3
81.0
104.7
81.8
2012
185.230
1070
212
2.4
2.4
78.3
2.0
79.1
2013
0.000
1070
0
0.0
0.0
77.2
0.0
78.0
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2025-03-22
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