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About PRIS
WOLSONG-4
Operational
Reactor Details
Reactor Type
Model
Owner
Operator
PHWR
CANDU 6
Korea Hydro and Nuclear Power Co.
Korea Hydro and Nuclear Power Co.
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
567
MW
e
669
MW
e
589
MW
e
2061
MW
t
Construction Start Date
First Criticality Date
22 Jul, 1994
10 Apr, 1999
First Grid Connection
Commercial Operation Date
21 May, 1999
01 Oct, 1999
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
130.50 TW.h
90.6 %
90.8 %
9.4 %
92.3 %
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
1999
1489.230
650
2208
100.0
99.9
99.9
103.8
103.8
2000
5423.320
650
8033
91.4
91.4
93.1
95.0
96.8
2001
5493.170
650
8110
92.6
92.6
92.8
96.5
96.6
2002
5448.110
650
7971
91.0
90.8
92.2
95.7
96.3
2003
5601.860
650
8225
93.9
93.5
92.5
98.4
96.8
2004
5620.950
650
8209
93.4
93.2
92.6
98.4
97.1
2005
5657.870
650
8254
94.2
93.8
92.8
99.4
97.5
2006
6028.310
685
8760
100.0
100.0
93.9
100.5
97.9
2007
5770.360
685
8157
93.1
92.8
93.7
96.2
97.7
2008
5861.400
708
8271
94.2
94.2
93.8
94.2
97.3
2009
5714.060
708
8079
92.2
92.4
93.6
92.1
96.8
2010
5831.200
708
8218
93.8
93.7
93.6
94.0
96.5
2011
5828.850
708
8215
93.8
93.5
93.6
94.0
96.3
2012
6105.670
694
8702
99.1
98.6
94.0
100.2
96.6
2013
5364.390
688
7761
88.6
88.3
93.6
89.0
96.0
2014
4970.750
669
7307
83.4
83.3
92.9
84.8
95.3
2015
5117.750
669
7636
87.2
87.1
92.6
87.3
94.8
2016
4334.900
653
6720
76.5
75.9
91.6
75.6
93.8
2017
5517.850
635
8760
100.0
99.6
92.1
99.2
94.0
2018
4494.930
622
7354
84.0
83.2
91.6
82.5
93.5
2019
4420.510
609
7310
83.4
82.1
91.2
82.9
93.0
2020
4126.510
600
6872
78.2
77.3
90.6
78.3
92.4
2021
4307.320
575
7376
84.2
83.4
90.3
85.5
92.1
2022
5086.510
574
8760
100.0
99.8
90.7
101.2
92.4
2023
4392.970
567
7739
88.3
87.8
90.6
88.4
92.3
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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WOLSONG-3
WOLSONG-4