The labour inspectors also issued reminders regarding work on 1 May and compliance with maximum working hours. In 2022, an administrative enforcement procedure on maximum working hours problems was initiated by a labour inspector and sent to the regional directorate for the economy, employment, labour and solidarity, which has competence for issuing penalties. Finally, a labour inspector was requisitioned on two occasions by the Public Prosecutor’s Office. He thus took part with the judicial police officers in an inquiry following occupational accidents. 2.9 Continued operation of the Nuclear Power Plants 2.9.1 The age of Nuclear Power Plants The NPPs currently in service in France were built over a relatively short period of time: 45 nuclear power reactors representing nearly 50,000 MWe, or three-quarters of the power output by all the French nuclear power reactors, were commissioned between 1980 and 1990, and seven reactors, representing 10,000 MWe, between 1991 and 2000. In December 2022, the average age of the 56 reactors in operation, calculated from the dates of first divergence, can be broken down as follows: ∙ 40 years for the 32 nuclear power reactors of 900 MWe; ∙ 35 years for the 20 nuclear power reactors of 1,300 MWe; ∙ 25 years for the four nuclear power reactors of 1,450 MWe. GRAPH Number and percentage of workers per dose range (in mSv) for 2022 7 0 5,000 10,000 15,000 20,000 25,000 30,000 35,000 15 to 20 10 to 15 6 to 10 5 to 6 2 to 5 1 to 2 0.5 to 1 0.001 to 0.5 Dose range (mSv) 9.73% 9.02% 0.22% 0.00% 2.44% 1.47% 9.28% 67.83% 4,412 4,090 102 0 1,105 667 4,207 30,753 Source : EDF. Number of persons GRAPH Trend in mean individual dosimetry according to the categories of trades of the workers in the NPPs 8 0 0.5 1.0 1.5 2.0 2.5 3.0 Risk prevention Welding Auxiliaries Mechanical Expert appraisal Tests Electricity Checksinspections Thermal insulation Administrative 2018 2019 2020 2021 2022 Source : EDF. Mean dose (mSv) This Graph includes data from the Fessenheim NPP until 2020. ASN Report on the state of nuclear safety and radiation protection in France in 2022 309 • 10 • The EDF Nuclear Power Plants 10 01 07 08 13 AP 04 06 12 14 03 09 05 11 02
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