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About PRIS
OHI-4
Operational
Reactor Details
Reactor Type
Model
Owner
Operator
PWR
M (4-loop)
Kansai Electric Power Co.
Kansai Electric Power Co.
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
1127
MW
e
1127
MW
e
1180
MW
e
3423
MW
t
Construction Start Date
First Criticality Date
13 Jun, 1988
28 May, 1992
First Grid Connection
Commercial Operation Date
19 Jun, 1992
02 Feb, 1993
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
216.89 TW.h
69.8 %
70.0 %
30.2 %
71.0 %
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
1992
1999.300
1127
2742
1993
9923.460
1127
8760
100.0
100.0
100.0
100.5
100.5
1994
7851.520
1127
7063
80.6
79.7
89.4
79.5
89.6
1995
7495.110
1127
6695
76.4
75.6
84.7
75.9
84.9
1996
7051.090
1127
6221
70.8
70.8
81.1
71.2
81.4
1997
7660.200
1127
6756
77.1
77.1
80.3
77.6
80.6
1998
8839.420
1127
7835
89.4
89.0
81.8
89.5
82.1
1999
8903.440
1127
7872
89.9
89.5
82.9
90.2
83.3
2000
8649.770
1127
7629
86.8
86.8
83.4
87.4
83.8
2001
9283.560
1127
8179
93.4
93.4
84.5
94.0
85.0
2002
9217.090
1127
8017
91.5
91.5
85.2
93.4
85.8
2003
8762.570
1127
7557
86.3
86.3
85.3
88.8
86.1
2004
8318.190
1127
7186
81.8
81.8
85.0
84.0
85.9
2005
9929.000
1127
8657
98.8
98.8
86.1
100.6
87.0
2006
8163.920
1127
7087
80.9
80.7
85.7
82.7
86.7
2007
7978.560
1127
6934
79.2
78.9
85.2
80.8
86.3
2008
7642.690
1127
6654
75.8
75.4
84.6
77.2
85.8
2009
10097.360
1127
8760
100.0
100.0
85.5
102.3
86.7
2010
6977.310
1127
6109
69.7
69.4
84.6
70.7
85.8
2011
5599.900
1127
4872
55.6
55.6
83.1
56.7
84.3
2012
4486.580
1127
3941
44.9
44.4
81.1
45.3
82.3
2013
7167.720
1127
6191
70.7
70.7
80.6
72.6
81.9
2014
0.000
1127
0
0.0
0.0
77.0
0.0
78.1
2015
0.000
1127
0
0.0
0.0
73.6
0.0
74.7
2016
0.000
1127
0
0.0
0.0
70.5
0.0
71.6
2017
0.000
1127
0
0.0
0.0
67.7
0.0
68.7
2018
6428.380
1127
5623
64.2
63.8
67.5
65.1
68.6
2019
8077.290
1127
7011
80.0
79.6
68.0
81.8
69.1
2020
8481.350
1127
7378
84.0
84.0
68.6
85.7
69.7
2021
9636.220
1127
8357
95.4
95.1
69.5
97.6
70.6
2022
6536.560
1127
5681
64.8
64.5
69.3
66.2
70.5
2023
8554.070
1127
7395
84.4
84.1
69.8
86.6
71.0
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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