Skip to content
Skip to navigation
Contact Us
IAEA.org
NUCLEUS
World Statistics
Country Statistics
Publications
Glossary
About PRIS
ST. LAURENT B-1
(Saint-Laurent B 1)
Operational
Reactor Details
Reactor Type
Model
Owner
Operator
PWR
CP2
ÉLECTRICITÉ DE FRANCE
ÉLECTRICITÉ DE FRANCE
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
915
MW
e
915
MW
e
956
MW
e
2785
MW
t
Construction Start Date
First Criticality Date
01 May, 1976
04 Jan, 1981
First Grid Connection
Commercial Operation Date
21 Jan, 1981
01 Aug, 1983
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
235.79 TW.h
75.2 %
77.7 %
24.8 %
72.4 %
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
1981
840.800
880
2094
1982
638.900
880
1299
1983
3670.000
880
4382
93.8
92.0
92.0
91.9
91.9
1984
4401.000
880
5042
57.4
56.0
66.6
56.9
67.2
1985
5630.400
880
6827
77.9
75.0
70.1
73.0
69.6
1986
5476.400
880
7144
81.6
79.7
72.9
71.0
70.0
1987
5171.300
880
6667
76.1
76.1
73.6
67.1
69.4
1988
5721.000
915
6464
73.6
76.0
74.1
71.2
69.7
1989
6609.760
915
7699
87.9
82.7
75.4
82.5
71.8
1990
6113.670
915
7089
80.9
84.1
76.6
76.3
72.4
1991
4005.400
915
4736
54.1
52.3
73.7
50.0
69.7
1992
5621.120
915
6690
76.2
74.0
73.7
69.9
69.7
1993
5668.510
915
6821
77.9
72.4
73.6
70.7
69.8
1994
6095.730
915
7252
82.8
85.1
74.6
76.0
70.4
1995
4442.990
915
5211
59.5
60.3
73.4
55.4
69.1
1996
5541.090
915
6888
78.4
78.8
73.8
68.9
69.1
1997
5132.600
915
6404
73.1
75.4
74.0
64.0
68.8
1998
6030.710
915
7366
84.1
82.1
74.5
75.2
69.2
1999
5062.640
915
6207
70.9
67.9
74.1
63.2
68.8
2000
5086.740
915
5957
67.8
66.0
73.6
63.3
68.5
2001
6814.760
915
7735
88.3
86.4
74.3
85.0
69.4
2002
6637.030
915
7592
86.7
83.4
74.8
82.8
70.1
2003
6630.440
915
7658
87.4
82.8
75.2
82.7
70.7
2004
6364.190
915
7356
83.7
80.4
75.4
79.2
71.1
2005
5384.070
915
6186
70.6
68.1
75.1
67.2
70.9
2006
6914.140
915
7973
91.0
88.2
75.7
86.3
71.6
2007
6426.680
915
7380
84.2
80.6
75.9
80.2
72.0
2008
6894.130
915
8034
91.5
88.6
76.4
85.8
72.5
2009
6241.460
915
7298
83.3
78.4
76.4
77.9
72.7
2010
6802.100
915
7967
91.0
84.9
76.8
84.9
73.2
2011
5947.960
915
7000
79.9
74.2
76.7
74.2
73.2
2012
6577.570
915
7708
87.8
83.9
76.9
81.8
73.5
2013
4822.460
915
5662
64.6
60.3
76.4
60.2
73.0
2014
6259.240
915
7417
84.7
79.1
76.5
78.1
73.2
2015
4480.020
915
5185
59.2
56.7
75.8
55.9
72.7
2016
6385.170
915
7366
83.9
80.7
76.0
79.4
72.9
2017
5955.700
915
6794
77.6
75.5
76.0
74.3
72.9
2018
6516.260
915
7535
86.0
82.2
76.2
81.3
73.2
2019
5581.310
915
6561
74.9
70.2
76.0
69.6
73.1
2020
5698.350
915
6792
77.3
71.6
75.9
70.9
73.0
2021
4157.530
915
4788
54.7
52.0
75.2
51.9
72.4
2022
6616.630
915
7711
88.0
86.1
75.5
82.6
72.7
2023
4734.880
915
5669
64.7
62.1
75.2
59.1
72.4
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2024-12-04
Previous
(ST. LAURENT A-2)
(ST. LAURENT B-2)
Next
FRANCE
BELLEVILLE-1
BELLEVILLE-2
BLAYAIS-1
BLAYAIS-2
BLAYAIS-3
BLAYAIS-4
BUGEY-1
BUGEY-2
BUGEY-3
BUGEY-4
BUGEY-5
CATTENOM-1
CATTENOM-2
CATTENOM-3
CATTENOM-4
CHINON A-1
CHINON A-2
CHINON A-3
CHINON B-1
CHINON B-2
CHINON B-3
CHINON B-4
CHOOZ B-1
CHOOZ B-2
CHOOZ-A (ARDENNES)
CIVAUX-1
CIVAUX-2
CRUAS-1
CRUAS-2
CRUAS-3
CRUAS-4
DAMPIERRE-1
DAMPIERRE-2
DAMPIERRE-3
DAMPIERRE-4
EL-4 (MONTS D'ARREE)
FESSENHEIM-1
FESSENHEIM-2
FLAMANVILLE-1
FLAMANVILLE-2
FLAMANVILLE-3
G-2 (MARCOULE)
G-3 (MARCOULE)
GOLFECH-1
GOLFECH-2
GRAVELINES-1
GRAVELINES-2
GRAVELINES-3
GRAVELINES-4
GRAVELINES-5
GRAVELINES-6
NOGENT-1
NOGENT-2
PALUEL-1
PALUEL-2
PALUEL-3
PALUEL-4
PENLY-1
PENLY-2
PHENIX
ST. ALBAN-1
ST. ALBAN-2
ST. LAURENT A-1
ST. LAURENT A-2
ST. LAURENT B-1
ST. LAURENT B-2
SUPER-PHENIX
TRICASTIN-1
TRICASTIN-2
TRICASTIN-3
TRICASTIN-4