Skip to content
Skip to navigation
Contact Us
IAEA.org
NUCLEUS
World Statistics
Country Statistics
Publications
Glossary
About PRIS
BEZNAU-1
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 Sep, 1965
30 Jun, 1969
First Grid Connection
Commercial Operation Date
17 Jul, 1969
09 Dec, 1969
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
130.59 TW.h
80.6 %
82.1 %
19.4 %
80.2 %
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
1969
Data Not Provided
1970
1947.000
364
5917
67.6
61.0
61.0
61.1
61.1
1971
1700.500
364
5123
58.5
59.0
60.0
53.3
57.2
1972
1402.900
280
5391
61.4
61.3
60.4
57.0
57.2
1973
1655.000
350
6654
76.0
71.6
63.3
54.0
56.3
1974
2346.700
350
7177
81.9
78.1
66.3
76.5
60.5
1975
2490.900
350
7490
85.5
81.2
68.8
81.2
64.0
1976
2548.100
350
7530
85.7
83.5
71.0
82.9
66.8
1977
2596.300
350
7592
86.7
85.2
72.8
84.7
69.0
1978
2761.900
350
8031
91.7
89.5
74.6
90.1
71.4
1979
2658.800
350
7746
88.4
86.1
75.8
86.7
73.0
1980
2650.500
350
7682
87.4
85.7
76.7
86.2
74.2
1981
2569.700
350
7486
85.5
83.5
77.3
83.8
75.0
1982
2566.900
350
7553
86.2
83.5
77.8
83.7
75.7
1983
2551.700
350
7546
86.1
83.5
78.2
83.2
76.2
1984
2732.940
350
8001
91.1
88.8
78.9
88.9
77.1
1985
2634.260
350
7906
90.2
86.0
79.4
85.9
77.6
1986
2496.270
350
7403
84.5
81.6
79.5
81.4
77.8
1987
2486.260
350
7256
82.8
80.7
79.6
81.1
78.0
1988
2566.550
350
7499
85.4
83.0
79.7
83.5
78.3
1989
2433.150
350
7062
80.6
78.6
79.7
79.4
78.4
1990
2562.480
350
7506
85.7
84.4
79.9
83.6
78.6
1991
2495.260
350
7430
84.8
83.5
80.1
81.4
78.7
1992
2477.390
350
7303
83.1
81.7
80.1
80.6
78.8
1993
2158.430
350
6241
71.2
69.4
79.7
70.4
78.5
1994
2686.880
350
7610
86.9
85.0
79.9
87.6
78.8
1995
2850.460
350
7993
91.2
90.2
80.3
93.0
79.4
1996
2753.180
365
7704
87.7
86.8
80.5
88.6
79.7
1997
2708.210
365
7731
88.2
85.1
80.7
84.7
79.9
1998
3183.130
365
8760
100.0
99.8
81.4
99.6
80.6
1999
2841.270
365
8074
92.2
88.6
81.6
88.9
80.9
2000
2539.200
365
7113
81.0
78.3
81.5
79.2
80.8
2001
3090.180
365
8504
97.1
96.8
82.0
96.6
81.4
2002
2908.780
365
8000
91.3
91.0
82.3
91.0
81.7
2003
3061.760
365
8494
97.0
96.2
82.7
95.8
82.1
2004
2801.170
365
7758
88.3
87.4
82.9
87.4
82.2
2005
3095.960
365
8491
96.9
96.6
83.3
96.8
82.7
2006
2950.680
365
8114
92.6
92.2
83.5
92.3
82.9
2007
3081.340
365
8486
96.9
96.7
83.9
96.4
83.3
2008
2956.580
365
8143
92.7
92.4
84.1
92.2
83.5
2009
3067.330
365
8460
96.6
96.3
84.4
95.9
83.9
2010
2673.990
365
7347
83.9
83.7
84.4
83.6
83.8
2011
3067.130
365
8458
96.6
96.4
84.7
95.9
84.2
2012
2724.730
365
7508
85.5
85.3
84.7
85.0
84.2
2013
3078.450
365
8473
96.7
96.6
85.0
96.3
84.4
2014
2920.610
365
8047
91.9
91.6
85.1
91.3
84.6
2015
628.540
365
1715
19.6
19.6
83.7
19.7
83.2
2016
0.000
365
0
0.0
0.0
81.8
0.0
81.3
2017
0.000
365
0
0.0
0.0
80.1
0.0
79.6
2018
2483.690
365
6897
78.7
77.3
80.0
77.7
79.6
2019
2854.840
365
7851
89.6
88.6
80.2
89.3
79.8
2020
2784.660
365
7661
87.2
86.2
80.3
86.8
79.9
2021
3071.240
365
8449
96.4
95.6
80.6
96.0
80.2
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2023-02-02
Previous
(MUEHLEBERG)
(BEZNAU-2)
Next
SWITZERLAND
BEZNAU-1
BEZNAU-2
GOESGEN
LEIBSTADT
LUCENS
MUEHLEBERG