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About PRIS
OCONEE-3
Operational
Reactor Details
Reactor Type
Model
Owner
Operator
PWR
B&W LLP (DRYAMB)
Duke Energy Corp.
Duke Energy Corp.
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
859
MW
e
887
MW
e
900
MW
e
2568
MW
t
Construction Start Date
First Criticality Date
06 Nov, 1967
05 Sep, 1974
First Grid Connection
Commercial Operation Date
18 Sep, 1974
16 Dec, 1974
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
307.21 TW.h
84.4 %
84.7 %
15.6 %
83.9 %
Lifetime performance calculated up to year
2023
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
1974
Data from a trial operation not provided
1975
5037.400
871
6761
77.2
66.1
66.1
66.0
66.0
1976
4758.000
871
6072
69.1
62.2
64.2
62.2
64.1
1977
5268.700
860
6545
74.7
69.9
66.1
69.9
66.0
1978
6064.300
860
7444
85.0
80.5
69.6
80.5
69.6
1979
3278.900
860
4038
46.1
43.5
64.4
43.5
64.4
1980
5224.600
860
6414
73.0
73.8
66.0
69.2
65.2
1981
5641.400
860
6835
78.0
78.6
67.8
74.9
66.6
1982
2128.400
860
2826
32.3
33.5
63.5
28.2
61.8
1983
7099.100
860
8436
96.3
96.5
67.2
94.2
65.4
1984
5355.510
860
6474
73.7
74.2
67.9
70.9
66.0
1985
4860.760
860
6071
69.3
69.7
68.0
64.5
65.8
1986
6064.310
860
7781
88.8
90.0
69.9
80.5
67.0
1987
5094.420
860
6068
69.3
69.8
69.9
67.6
67.1
1988
5965.750
846
7190
81.8
81.9
70.7
80.3
68.0
1989
6337.390
846
7585
86.6
86.6
71.8
85.5
69.2
1990
7427.840
846
8712
99.4
99.4
73.4
100.2
71.1
1991
5594.620
846
6691
76.4
86.6
74.2
75.5
71.3
1992
5448.230
846
6634
75.5
75.5
74.3
73.3
71.4
1993
7393.760
846
8647
98.7
98.7
75.6
99.8
72.9
1994
5670.820
846
6781
77.4
77.5
75.6
76.5
73.1
1995
6467.840
846
7625
87.0
87.1
76.2
87.3
73.8
1996
5454.030
846
6429
73.2
73.2
76.1
73.4
73.7
1997
4652.640
846
5633
64.3
64.6
75.6
62.8
73.3
1998
5786.350
846
7026
80.2
80.1
75.8
78.1
73.5
1999
7369.540
846
8676
99.0
99.0
76.7
99.4
74.5
2000
6577.840
846
7729
88.0
88.0
77.1
88.5
75.0
2001
5398.550
846
6355
72.6
72.6
76.9
72.8
75.0
2002
7465.520
846
8688
99.2
99.2
77.7
100.7
75.9
2003
6318.010
846
7467
85.2
85.2
78.0
85.2
76.2
2004
5747.050
846
6698
76.2
76.3
77.9
77.3
76.2
2005
7236.990
846
8395
95.8
95.9
78.5
97.6
76.9
2006
6716.230
846
7804
89.1
89.1
78.8
90.6
77.3
2007
6461.880
846
7498
85.6
85.6
79.0
87.2
77.6
2008
7575.110
846
8717
99.2
99.2
79.6
101.9
78.3
2009
6974.690
846
8041
91.8
91.8
80.0
94.1
78.8
2010
6778.510
846
7889
90.1
90.1
80.2
91.5
79.1
2011
7602.370
846
8730
99.7
99.7
80.8
102.6
79.8
2012
6411.910
846
7469
85.0
85.0
80.9
86.3
79.9
2013
7553.220
846
8700
99.3
99.3
81.4
101.9
80.5
2014
6935.790
846
8022
91.6
91.6
81.6
93.6
80.8
2015
7553.320
859
8701
99.3
99.3
82.0
100.4
81.3
2016
7095.220
859
8216
93.5
93.5
82.3
94.0
81.6
2017
7572.350
859
8730
99.7
99.7
82.7
100.6
82.1
2018
6967.440
859
8083
92.3
92.3
82.9
92.6
82.3
2019
7587.620
859
8760
100.0
100.0
83.3
100.8
82.7
2020
7012.140
859
8087
92.1
92.1
83.5
92.9
82.9
2021
7621.400
859
8760
100.0
100.0
83.9
101.3
83.3
2022
7013.090
859
8193
93.5
93.5
84.1
93.2
83.5
2023
7588.990
859
8709
99.4
99.8
84.4
100.8
83.9
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2025-02-15
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