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About PRIS
BUGEY-4
Operational
Reactor Details
Reactor Type
Model
Owner
Operator
PWR
CP0
ÉLECTRICITÉ DE FRANCE
ÉLECTRICITÉ DE FRANCE
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
880
MW
e
900
MW
e
917
MW
e
2785
MW
t
Construction Start Date
First Criticality Date
01 Jun, 1974
17 Feb, 1979
First Grid Connection
Commercial Operation Date
08 Mar, 1979
01 Jul, 1979
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
241.26 TW.h
73.8 %
75.3 %
26.2 %
69.6 %
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
1979
3528.000
900
5030
64.6
64.6
64.6
58.4
58.4
1980
5063.000
900
5983
68.1
65.8
65.4
64.0
62.2
1981
5671.900
900
6834
78.0
75.6
69.5
71.9
66.1
1982
5474.900
900
6276
71.6
69.8
69.6
69.4
67.0
1983
6329.000
900
7389
84.4
83.2
72.6
80.3
70.0
1984
5882.000
900
6896
78.5
75.8
73.2
74.4
70.8
1985
6224.400
900
7696
87.8
86.7
75.3
79.0
72.0
1986
5312.700
900
6622
75.6
76.1
75.4
67.4
71.4
1987
4670.900
900
6180
70.6
78.2
75.7
59.2
70.0
1988
3323.000
900
4524
51.5
51.5
73.2
42.0
67.0
1989
5541.340
900
6846
78.2
76.2
73.4
70.3
67.4
1990
3186.650
880
4312
49.2
53.5
71.7
41.3
65.1
1991
4984.850
880
6317
72.1
69.3
71.6
64.7
65.1
1992
1649.110
880
2012
22.9
22.2
68.0
21.3
61.9
1993
5748.620
880
7506
85.7
74.2
68.4
74.6
62.8
1994
5209.340
880
6619
75.6
82.2
69.3
67.6
63.1
1995
3989.940
880
4843
55.3
59.1
68.6
51.8
62.4
1996
4188.120
880
5333
60.7
62.4
68.3
54.2
61.9
1997
5652.460
880
7420
84.7
80.8
69.0
73.3
62.5
1998
6304.000
880
7791
88.9
86.3
69.8
81.8
63.5
1999
5591.310
880
7231
82.6
77.5
70.2
72.5
64.0
2000
5987.960
880
7544
85.9
82.6
70.8
77.5
64.6
2001
4746.000
880
5921
67.6
63.4
70.5
61.6
64.4
2002
5590.810
880
7130
81.4
83.4
71.0
72.5
64.8
2003
6645.340
880
8192
93.5
94.2
71.9
86.2
65.6
2004
6098.320
880
7367
83.9
81.3
72.3
78.9
66.2
2005
6073.190
880
7672
87.6
80.3
72.6
78.8
66.6
2006
6846.660
880
8341
95.2
93.2
73.3
88.8
67.4
2007
3586.190
880
4217
48.1
46.8
72.4
46.5
66.7
2008
6790.400
880
7891
89.8
87.7
72.9
87.8
67.4
2009
5094.250
880
6262
71.5
67.5
72.8
66.1
67.4
2010
7374.140
880
8674
99.0
98.4
73.6
95.7
68.3
2011
4458.280
880
5344
61.0
58.8
73.1
57.8
67.9
2012
6365.580
880
7529
85.7
83.5
73.4
82.4
68.4
2013
7125.790
880
8425
96.2
95.4
74.0
92.4
69.1
2014
5022.760
880
6265
71.5
68.5
73.9
65.2
69.0
2015
6335.290
880
7448
85.0
82.9
74.1
82.2
69.3
2016
4915.520
880
5739
65.3
64.5
73.9
63.6
69.2
2017
7189.640
880
8420
96.1
94.7
74.4
93.3
69.8
2018
5628.660
880
6625
75.6
73.1
74.4
73.0
69.9
2019
6584.520
880
7618
87.0
84.8
74.6
85.4
70.2
2020
6391.780
880
7595
86.5
84.8
74.9
82.7
70.6
2021
3552.950
880
4434
50.6
48.2
74.3
46.1
70.0
2022
2846.180
880
3339
38.1
39.2
73.5
36.9
69.2
2023
6683.660
880
8125
92.8
87.5
73.8
86.7
69.6
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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BELLEVILLE-1
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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