ASN Report 2023

INSTALLATION LOCATION BNI No. TYPE OF INSTALLATION COMMISSIONED FINAL SHUTDOWN LAST REGULATORY ACTS CURRENT STATUS Saint-Laurent silos (St-Laurent-Nouan) 74 Radioactive waste storage 1971 2022 – Preparation for decommissioning Fessenheim NPP (Fessenheim) 75 Reactors (each of 2,660 MWth) 1977 2020 – Preparation for decommissioning HAO facility (La Hague) 80 Transformation of radioactive substances 1974 2004 2009: Final Shutdown and Decommissioning Decree Decommissioning in progress Superphénix (Creys-Malville) 91 Reactor (3,000 MWth) 1985 1997 2009: Final Shutdown and Decommissioning Decree Decommissioning in progress Phébus (Cadarache) 92 Reactor (40 MWth) 1978 2017 – Preparation for decommissioning Eurodif (Pierrelatte) 93 Transformation of radioactive substances 1979 2012 2020: Partial decommissioning Decree Decommissioning in progress partiel AMI (Chinon) 94 Utilisation of radioactive substances 1964 2015 2020: Decommissioning Decree Decommissioning in progress Orphée (Saclay) 101 Reactor (14 MWth) 1980 2019 – Preparation for decommissioning Comurhex (Tricastin) 105 Uranium chemical transformation plant 1979 2009 2019: Decommissioning Decree Decommissioning in progress Chinon A1 D – former Chinon A1 (Avoine) 133 (Former BNI 5) Reactor (300 MWth) 1963 1973 1982: Decree for confinement of Chinon A1 and creation of the Chinon A1 D storage BNI Partially decommissioned, modified to storage BNI for waste left in place Preparation for complete decommissioning Chinon A2 D – former Chinon A2 (Avoine) 153 (Former BNI 6) Reactor (865 MWth) 1965 1985 1991: Decree for partial decommissioning of Chinon A2 and creation of storage BNI Chinon A2D Partially decommissioned, modified to storage BNI for waste left in place Preparation for complete decommissioning Tricastin Operational Hot Unit (Tricastin) 157 Laboratory 2000 2020 2023: Decommissioning Decree Decommissioning in progress Chinon A3 D – former Chinon A3 (Avoine) 161 (Former INB 7) Reactor (1,360 MWth) 1966 1990 2010: Decommissioning Decree Decommissioning in progress EL4-D – former EL4 (Brennilis) 162 (Former BNI 28) Reactor (250 MWth) 1966 1985 1996: Decree ordering decommissioning and creation of the EL4-D storage BNI 2006: Final Shutdown and Decommissioning Decree 2007: State Council decision cancelling the Decree of 2006 2011: Partial decommissioning Decree 2023: Complete decommissioning Decree Decommissioning in progress Ardennes NPP – former Chooz A (Chooz) 163 (Former BNI 1, 2, 3) Reactor (1,040 MWth) 1967 1991 2007: Final Shutdown and Decommissioning Decree Decommissioning in progress Procédé (Fontenay-aux-Roses) 165 Grouping of former research installations (BNIs 57 and 59) concerning reprocessing processes 2006 2006 2006: Final Shutdown and Decommissioning Decree Decommissioning in progress Support (Fontenay-aux-Roses) 166 Grouping of former installations (BNIs 34 and 73) for packaging and treating waste and effluents 2006 2006 2006: Final Shutdown and Decommissioning Decree Decommissioning in progress * Passive institutional controls. ** Attila : reprocessing pilot located in a unit of BNI 57. *** Active institutional controls. 364 ASN Report on the state of nuclear safety and radiation protection in France in 2023 • 14 • Decommissioning of Basic Nuclear Installations

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