Skip to content
Skip to navigation
Contact Us
IAEA.org
NUCLEUS
World Statistics
Country Statistics
Publications
Glossary
About PRIS
BEZNAU-2
Operational
Reactor Details
Reactor Type
Model
Owner
Operator
PWR
WH 2LP
Kernkraftwerk Beznau CH-5312 Döttingen
Kernkraftwerk Beznau CH-5312 Döttingen
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
365
MW
e
350
MW
e
380
MW
e
1130
MW
t
Construction Start Date
First Criticality Date
01 Jan, 1968
16 Oct, 1971
First Grid Connection
Commercial Operation Date
23 Oct, 1971
04 Mar, 1972
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
137.43 TW.h
87.5 %
88.7 %
12.5 %
87.7 %
Lifetime performance calculated up to year
2021
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
1971
211.700
291
1012
92.7
94.6
94.6
80.8
80.8
1972
2618.500
364
7624
86.8
82.7
83.4
81.9
81.8
1973
2220.700
350
7042
80.4
78.4
81.1
72.4
77.4
1974
2527.800
350
7607
86.8
83.5
81.9
82.4
79.0
1975
2547.000
350
7503
85.6
83.0
82.2
83.1
80.0
1976
2652.200
350
7777
88.5
86.6
83.0
86.3
81.2
1977
2690.900
350
7758
88.6
85.6
83.4
87.8
82.3
1978
2753.100
350
7888
90.0
86.7
83.9
89.8
83.4
1979
2700.000
350
7835
89.4
86.7
84.2
88.1
83.9
1980
2559.000
350
7279
82.9
81.0
83.9
83.2
83.8
1981
2768.800
350
7868
89.8
88.8
84.4
90.3
84.5
1982
2722.100
350
7811
89.2
87.6
84.7
88.8
84.9
1983
2790.500
350
7977
91.1
89.6
85.1
91.0
85.4
1984
2724.210
350
7874
89.6
87.5
85.3
88.6
85.6
1985
2629.060
350
7647
87.3
85.0
85.2
85.8
85.6
1986
2769.810
350
7983
91.1
90.2
85.6
90.3
86.0
1987
2527.620
350
7535
86.0
82.4
85.4
82.4
85.7
1988
2630.190
350
7604
86.6
84.5
85.3
85.6
85.7
1989
2643.340
350
7614
86.9
85.1
85.3
86.2
85.8
1990
2636.070
350
7568
86.4
85.2
85.3
86.0
85.8
1991
2619.530
350
7551
86.2
84.5
85.3
85.4
85.7
1992
2375.900
350
6836
77.8
76.3
84.8
77.3
85.3
1993
2650.930
350
7517
85.8
84.9
84.8
86.5
85.4
1994
3062.800
350
8710
99.4
98.8
85.4
99.9
86.0
1995
2560.940
350
7247
82.7
82.6
85.3
83.5
85.9
1996
2754.100
357
7912
90.1
87.9
85.4
89.1
86.0
1997
3090.240
357
8732
99.7
99.5
86.0
98.8
86.5
1998
2717.820
357
7755
88.5
87.3
86.0
86.9
86.6
1999
2217.190
357
6322
72.2
70.3
85.4
70.9
86.0
2000
3071.030
365
8499
96.8
96.2
85.8
95.8
86.3
2001
2568.680
365
7107
81.1
80.7
85.7
80.3
86.1
2002
3012.010
365
8292
94.7
94.6
86.0
94.2
86.4
2003
2920.290
365
8070
92.1
91.8
86.2
91.3
86.6
2004
3099.370
365
8556
97.4
97.0
86.5
96.7
86.9
2005
2801.020
365
7728
88.2
87.8
86.5
87.6
86.9
2006
3073.230
365
8517
97.2
96.8
86.8
96.1
87.2
2007
2911.650
365
8063
92.0
91.5
87.0
91.1
87.3
2008
3073.360
365
8505
96.8
96.2
87.2
95.9
87.5
2009
2758.470
365
7615
86.9
86.6
87.2
86.3
87.5
2010
2856.530
365
7865
89.8
89.6
87.3
89.3
87.5
2011
2739.210
365
7564
86.4
86.1
87.2
85.7
87.5
2012
2793.970
365
7715
87.8
87.6
87.2
87.1
87.5
2013
2892.030
365
7968
91.0
90.8
87.3
90.4
87.6
2014
3053.520
365
8433
96.3
96.0
87.5
95.5
87.7
2015
2023.360
365
5611
64.0
63.2
87.0
63.3
87.2
2016
3048.370
365
8474
96.5
94.5
87.2
95.1
87.4
2017
2813.620
365
7735
88.3
87.4
87.2
88.0
87.4
2018
3057.410
365
8445
96.4
95.3
87.3
95.6
87.6
2019
2827.270
365
7790
88.9
88.0
87.4
88.4
87.6
2020
2956.040
365
8175
93.1
91.9
87.4
92.2
87.7
2021
2850.230
365
7871
89.8
89.1
87.5
89.1
87.7
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2023-02-02
Previous
(BEZNAU-1)
(GOESGEN)
Next
SWITZERLAND
BEZNAU-1
BEZNAU-2
GOESGEN
LEIBSTADT
LUCENS
MUEHLEBERG