Skip to content
Skip to navigation
Contact Us
IAEA.org
NUCLEUS
World Statistics
Country Statistics
Publications
Glossary
About PRIS
DARLINGTON-4
Operational
Reactor Details
Reactor Type
Model
Owner
Operator
PHWR
CANDU 850
Ontario Power Generation
Ontario Power Generation
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
878
MW
e
881
MW
e
934
MW
e
2776
MW
t
Construction Start Date
First Criticality Date
01 Jul, 1985
13 Mar, 1993
First Grid Connection
Commercial Operation Date
17 Apr, 1993
14 Jun, 1993
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
200.29 TW.h
84.8 %
87.0 %
15.2 %
84.7 %
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
1993
3528.780
881
4447
70.4
73.9
73.9
67.6
67.6
1994
7038.670
881
8143
93.0
91.8
85.2
91.2
82.5
1995
6750.560
881
7751
88.5
87.7
86.2
87.5
84.4
1996
6105.350
881
7023
80.0
79.1
84.2
78.9
82.9
1997
5069.640
881
7428
84.8
65.7
80.2
65.7
79.1
1998
6520.880
881
7699
87.9
84.5
81.0
84.5
80.1
1999
6216.130
881
7431
84.8
80.6
80.9
80.6
80.2
2000
6975.020
881
8219
93.6
90.1
82.1
90.1
81.5
2001
6836.350
881
8037
91.8
88.6
82.9
88.6
82.3
2002
7449.790
881
8760
100.0
96.5
84.3
96.5
83.8
2003
5428.860
881
6320
72.2
70.6
83.0
70.3
82.5
2004
7321.130
881
8451
96.2
94.6
84.0
94.6
83.6
2005
6569.700
878
7617
87.0
85.6
84.1
85.4
83.7
2006
7449.440
878
8541
97.5
96.5
85.0
96.9
84.7
2007
6210.230
878
7170
81.8
80.8
84.8
80.7
84.4
2008
7525.460
878
8652
98.5
97.4
85.6
97.6
85.2
2009
6836.150
878
7892
90.1
88.7
85.8
88.9
85.5
2010
5633.650
878
6612
75.5
73.3
85.0
73.2
84.8
2011
7617.800
878
8760
100.0
98.9
85.8
99.0
85.5
2012
7557.720
878
8725
99.3
97.9
86.4
98.0
86.2
2013
5237.450
878
6132
70.0
68.2
85.5
68.1
85.3
2014
7302.710
878
8476
96.8
95.2
86.0
95.0
85.7
2015
6532.110
878
7490
85.5
84.7
85.9
84.9
85.7
2016
5774.650
878
6678
76.0
74.7
85.4
74.9
85.2
2017
7593.090
878
8684
99.1
98.1
86.0
98.7
85.8
2018
6993.410
878
8105
92.5
90.7
86.1
90.9
86.0
2019
5423.690
878
6248
71.3
70.1
85.5
70.5
85.4
2020
7294.390
878
8784
100.0
94.3
85.8
94.6
85.7
2021
5970.370
878
6865
78.4
77.2
85.6
77.6
85.5
2022
7159.580
878
8207
93.7
92.5
85.8
93.1
85.7
2023
4163.790
878
4778
54.5
54.2
84.8
54.1
84.7
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2024-12-04
Previous
(DARLINGTON-3)
(DOUGLAS POINT)
Next
CANADA
BRUCE-1
BRUCE-2
BRUCE-3
BRUCE-4
BRUCE-5
BRUCE-6
BRUCE-7
BRUCE-8
DARLINGTON-1
DARLINGTON-2
DARLINGTON-3
DARLINGTON-4
DOUGLAS POINT
GENTILLY-1
GENTILLY-2
PICKERING-1
PICKERING-2
PICKERING-3
PICKERING-4
PICKERING-5
PICKERING-6
PICKERING-7
PICKERING-8
POINT LEPREAU
ROLPHTON NPD