1、1/17Rachel VAUCHERASN-Deputy head of in-service follow-up office in Nuclear pressure equipment department5 June 2024FRENCH REGULATORY APPROACH ANDNUCLEAR INNOVATION CONFERENCE,2024EXPECTATIONS FOR LTOSOMMAIRE1.LTO OVERVIEW IN FRANCE24thPERIODIC SAFETY REVIEWS3.LTO UP TO AND BEYOND 60 YEARSCONTENTS2/
2、17NUCLEAR INNOVATION CONFERENCE 2024-AMSTERDAM SOMMAIRE1.LTO OVERVIEW IN FRANCE2.4thPERIODIC SAFETY REVIEWS3.LTO UP TO AND BEYOND 60 YEARS3/17NUCLEAR INNOVATION CONFERENCE 2024-AMSTERDAM FRENCH REACTOR FLEET A standardized fleet:56 PWRs in operation 1 EPR reactor being commissioned 18 sites 1 vendor
3、(Framatome)1 licensee(EDF)1979-1990:3/4 of the fleet built Oldest reactor:46-year old NPPs average age(/1stcriticality)900 MWe:32 reactors 42 years 1300 MWe:20 reactors 37 years 1450 MWe:4 reactors 27 yearsLTO OVERVIEW IN FRANCE1.4/17NUCLEAR INNOVATION CONFERENCE 2024-AMSTERDAM World nuclear fleet i
4、n 2021FRENCH REACTOR FLEET5/17NUCLEAR INNOVATION CONFERENCE 2024-AMSTERDAM LTO OVERVIEW IN FRANCE1.THE PERIODIC SAFETY REVIEWSFrench regulations do not provide for approval for long term operation:no license renewal,but mandatory periodic safety reviews(PSR)every 10 yearsASN analyses the conditions
5、necessary for continued operation every 10 years as part of PSRsEDF takes advantage of the standardisation of its reactors to conduct the PSRs in 2 stagesfor each model:Generic stage(8 years):EDF carries out safety analyses and defines improvements common to allthe reactors of each model Specific st
6、age:EDF takes into account the specific features of each site and each reactor andimplements the controls and improvements defined The PSRs comprise two parts:An examination of the compliance of the facility with applicable requirements and of its ageingA safety reassessment,which leads to modificat