Skip to content
Skip to navigation
Contact Us
IAEA.org
NUCLEUS
World Statistics
Country Statistics
Publications
Glossary
About PRIS
TORNESS-1
Operational
Reactor Details
Reactor Type
Model
Owner
Operator
GCR
AGR
EDF Energy
EDF Energy
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
595
MW
e
645
MW
e
682
MW
e
1623
MW
t
Construction Start Date
First Criticality Date
01 Aug, 1980
25 Mar, 1988
First Grid Connection
Commercial Operation Date
25 May, 1988
25 May, 1988
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
140.33 TW.h
77.5 %
82.7 %
22.5 %
75.1 %
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
1988
2287.100
645
4330
83.0
69.4
69.4
68.1
68.1
1989
2162.100
625
4582
52.4
39.5
50.9
39.6
50.4
1990
1938.350
625
3943
45.1
35.7
45.1
35.5
44.7
1991
2513.600
625
5011
57.4
46.0
45.3
46.0
45.1
1992
4532.900
632
7792
87.5
81.7
53.4
80.6
53.0
1993
3603.100
632
6358
70.2
67.7
56.0
62.9
54.8
1994
4329.900
632
7716
88.3
79.5
59.6
78.4
58.4
1995
4058.600
632
6867
76.5
75.2
61.6
71.5
60.1
1996
1178.100
632
2043
23.3
96.6
65.7
21.2
55.6
1997
4909.440
625
8050
91.6
89.7
68.2
89.4
59.1
1998
4297.870
625
7153
81.4
78.6
69.2
78.3
60.9
1999
5157.760
625
8737
99.5
94.2
71.3
94.0
63.7
2000
4376.800
625
8769
99.8
79.7
72.0
79.7
65.0
2001
3968.480
625
7613
86.7
70.2
71.8
72.3
65.5
2002
3761.930
625
6719
76.7
68.7
71.6
68.7
65.7
2003
4681.940
625
8347
95.3
85.6
72.5
85.5
67.0
2004
3921.800
625
6993
79.6
71.7
72.5
71.4
67.2
2005
4667.730
625
8372
95.6
85.3
73.2
85.3
68.2
2006
4000.870
625
7939
90.6
73.3
73.2
73.1
68.5
2007
3500.940
625
6234
71.2
64.2
72.7
63.9
68.3
2008
4488.120
615
8110
92.3
82.9
73.2
82.8
69.0
2009
4963.550
600
8760
100.0
93.9
74.1
93.9
70.1
2010
2565.360
600
5302
60.5
48.8
73.1
48.8
69.2
2011
4582.850
600
8393
95.8
88.0
73.7
87.2
69.9
2012
4878.050
595
8784
100.0
93.3
74.4
93.3
70.8
2013
4637.660
590
8451
96.5
89.8
75.0
89.7
71.5
2014
3758.730
590
6823
77.9
73.0
74.9
72.7
71.6
2015
4954.380
590
8760
100.0
95.4
75.6
95.9
72.4
2016
4968.150
590
8678
98.8
95.3
76.3
95.9
73.2
2017
4056.960
590
7235
82.6
79.6
76.4
78.5
73.4
2018
4908.390
595
8610
98.3
93.1
76.9
94.2
74.0
2019
5006.740
595
8760
100.0
94.7
77.5
96.1
74.7
2020
4946.160
595
8784
100.0
94.0
78.0
94.6
75.3
2021
3090.340
595
5372
61.3
59.2
77.4
59.3
74.8
2022
4079.440
595
6890
78.6
77.0
77.4
78.3
74.9
2023
4225.690
595
7192
82.1
80.5
77.5
81.1
75.1
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2024-09-10
Previous
(SIZEWELL B)
(TORNESS-2)
Next
UNITED KINGDOM
BERKELEY-1
BERKELEY-2
BRADWELL-1
BRADWELL-2
CALDER HALL-1
CALDER HALL-2
CALDER HALL-3
CALDER HALL-4
CHAPELCROSS-1
CHAPELCROSS-2
CHAPELCROSS-3
CHAPELCROSS-4
DOUNREAY DFR
DOUNREAY PFR
DUNGENESS A-1
DUNGENESS A-2
DUNGENESS B-1
DUNGENESS B-2
HARTLEPOOL A-1
HARTLEPOOL A-2
HEYSHAM A-1
HEYSHAM A-2
HEYSHAM B-1
HEYSHAM B-2
HINKLEY POINT A-1
HINKLEY POINT A-2
HINKLEY POINT B-1
HINKLEY POINT B-2
HINKLEY POINT C-1
HINKLEY POINT C-2
HUNTERSTON A-1
HUNTERSTON A-2
HUNTERSTON B-1
HUNTERSTON B-2
OLDBURY A-1
OLDBURY A-2
SIZEWELL A-1
SIZEWELL A-2
SIZEWELL B
TORNESS-1
TORNESS-2
TRAWSFYNYDD-1
TRAWSFYNYDD-2
WINDSCALE AGR
WINFRITH SGHWR
WYLFA-1
WYLFA-2