RESULTS FOR THE EDF SA FLEET

Indicators20142015201620172018201920202021202252023
1Number of significant nuclear safety events graded 1 or greater on INES per reactor11,141,160,981,121,281,451,41,31,41,2
2Number of significant nuclear safety events (0 or greater on INES) per reactor110,810,039,7811,5912,612,712,412,912,212,7
3Number of significant events per reactor
• Non-compliance with technical specifications
• Reactivity
1,55
-
1,24
-
1,48
-
1,41
0,9
1,69
0,7
1,8
0,9
1,5
0,6
1,5
1
1,5
0,7
1,1
0,7
4Number of alignment errors2 per reactor1,411,741,641,781,241,41,31,11,31,255
5Number of trips per reactor (for 7,000 hours of criticality3)
• Automatic
• Manual
0,53
0,07
0,66
0
0,48
0
0,38
0,04
0,31
0
0,53
0,03
0,29
0,04
0,53
0
0,36
0,02
0,32
0,04
6Average operational collective dose per nuclear unit in service (in man-Sv)0,720,710,760,610,670,740,610,710,670,72
7Exposure of individuals:
• Number of individuals with doses above 20 mSv
• Number of individuals with doses between 16 and 20 mSv
• Number of individuals with doses between 14 and 16 mSv
0
0
5
0
0
2
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8Number of significant radiation protection events113109117131170171173108140141
9Availability (%)80,980,879,677,176,57471,972,958,167,3
10Unplanned unavailability (%)2,42,482,023,263,73,9554,552,3653,695
11Occupational accident rate Tfg (per million hours worked)43,22,72,82,22,33,32,92,93,13,1
12Occupational accident rate LTIR (per million hours worked)4-----2,42,23,22,02,0

1 Excluding ‘generic’ events
2 Any configuration of a system or its utilities that deviates from the expected situation and is a cause of a significant event (statistical data reviewed in 2018)
3 Average value for all reactors, exclusing external causes, unlike the WANO parameter which is based on the median value
4 Accident rate for EDF SA and its contractors

5 Data doesn’t include CSC (8,3% in 2022 and 4,18% in 2023, CSC included)
6 Undefined data and extrapolated from the results at the end of October 2023.

RESULTS FOR THE EDF ENERGY FLEET

Indicators2014201520162017201820192020202120222023
1Number of significant nuclear safety events graded 1or greater on INES per reactor10,330,470,270,470,530,270,070,470,130,27
2Number of significant nuclear safety events (0 or greater on INES) per reactor14,477,4106,135,936,735,476,25,535,27
3Number of cases of non-compliance with technical specifications per reactor1,5310,80,60,60,670,870,530,60,47
4Number of alignment errors2 per reactor2,802,873,130,931,671,6711,331,21,47
5Number of trips per reactor (per 7,000 hours of criticality3)
• Automatic
• Manual
1,17
0,62
0,57
0,19
0,3
0,42
0,49
0,37
0,89
0,2
0,56
0,32
0,35
0
0,63
0,27
0,49
0
0,23
0,12
6Average operational collective dose per nuclear unit in service (in man-Sv)
PWR
AGR
0,365
0,074
0,048
0,067
0,544
0,021
0,296
0,02
0,096
0,05
0,255
0,032
0,031
0,013
0,383
0,012
0,028
0,015
0,719
0,014
7Exposure of individuals:
• Number of individuals with doses above 20 mSv
• Number of individuals with doses between 16 and 20 mSv
• Number of individuals with doses between 14 and 16 mSv
0
0
5
0
0
2
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8Number of significant radiation protection events27182010232826291819
9Availability (%):
• EDF Energy fleet
PWR
AGR
72,1
84,1
70,2
77,3
100
73,7
83
82
83,1
81,6
83,8
81,2
76,1
89,4
74
65,8
80,6
63,5
61,7
99,4
55,9
60,4
64,2
59,7
77,9
98,7
73,1
73
73,7
72,8
10Unplanned unavailability (%):
• EDF Energy fleet
PWR
AGR
10,7
0,7
12,3
2,3
0
2,7
5,1
0,1
5,8
5
0
5,7
3,1
2,2
3,3
4
0,2
4,7
5
0,6
6,2
12,3
0
14,3
4,8
1,3
5,9
4
0,6
4,9
11Occupational accident rate LTIR (per million hours worked)40,20,40,30,20,50,30,30,30,50,3
12Occupational accident rate TRIR (per million hours worked)40,80,60,70,41,110,70,50,81

1 Excluding ‘generic’ events (ones due to shortfalls in design)
2 Any configuration of a system or its utilities that deviates from the expected situation and is a cause of a significant event
3 Average value for all reactors, unlike the WANO parameter which is based on the median value
4 Accident rate for EDF Nuclear Generation and its contractors