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About PRIS
ST. LAURENT A-1
(Saint-Laurent A 1)
Permanent Shutdown
Reactor Details
Reactor Type
Model
Owner
Operator
GCR
UNGG
ÉLECTRICITÉ DE FRANCE
ÉLECTRICITÉ DE FRANCE
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
390
MW
e
480
MW
e
500
MW
e
1650
MW
t
Construction Start Date
First Criticality Date
01 Oct, 1963
07 Jan, 1969
First Grid Connection
Commercial Operation Date
14 Mar, 1969
01 Jun, 1969
Permanent Shutdown Date
18 Apr, 1990
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
45.30 TW.h
71.0 %
71.9 %
29.0 %
58.6 %
Lifetime performance calculated up to year
1989
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
1969
Data Not Provided
1970
148.000
480
0
0.0
100.0
100.0
3.5
3.5
1971
2169.600
480
6476
73.9
100.0
100.0
51.6
27.6
1972
2884.400
480
7797
88.8
100.0
100.0
68.4
41.2
1973
2256.300
480
6418
73.3
53.7
88.4
53.7
44.3
1974
3056.500
480
7913
90.3
73.6
85.5
72.7
50.0
1975
2996.500
460
7715
88.1
74.3
83.7
74.4
53.9
1976
2531.100
460
7259
82.6
62.2
80.7
62.6
55.1
1977
2301.600
460
6933
79.1
58.1
78.0
57.1
55.4
1978
2737.900
460
7636
87.2
68.2
76.9
67.9
56.7
1979
3285.000
460
8493
97.0
92.4
78.4
81.5
59.2
1980
1930.000
390
6079
69.2
58.8
76.9
56.3
58.9
1981
1925.300
390
5543
63.3
60.3
75.7
56.4
58.8
1982
2481.600
390
7251
82.8
72.3
75.5
72.6
59.7
1983
1362.000
390
4738
54.1
40.1
73.3
39.9
58.4
1984
1970.000
390
5608
63.8
58.0
72.4
57.5
58.4
1985
1849.400
390
6041
69.0
54.4
71.4
54.1
58.2
1986
2069.400
390
6468
73.8
67.1
71.2
60.6
58.3
1987
1890.700
390
5437
62.1
59.3
70.6
55.3
58.1
1988
2859.600
390
7974
90.8
88.9
71.4
83.5
59.3
1989
1442.330
390
4315
49.3
62.1
71.0
42.2
58.6
1990
Data Not Provided
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2025-03-22
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(ST. ALBAN-2)
(ST. LAURENT A-2)
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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