This annual training course aims to provide or enhance theoretical knowledge and practical skills in investigating and analysing unusual events at nuclear installations. The participants will become familiar with tools frequently used in nuclear events investigation and root cause analysis.RegistrationCourse registration is now open. The number of participants is limited to 18. Registration will be closed once the maximum number is reached, but on 24 April 2026 at the latest.We cannot process registrations via email, so all participants must register online. Only eligible applications from the target group below can be accepted. Please use the contacts below to ask for registration details.You may be asked to create a user account during the registration process. nuclear safeguards Monday 18 May 2026, 09:00 - Friday 22 May 2026, 12:00 (CEST) Practical information WhenMonday 18 May 2026, 09:00 - Friday 22 May 2026, 12:00 (CEST)WhereJRC PettenWho should attendEU national nuclear regulatory bodies, nuclear operators and their technical support organizations (TSO)LanguagesEnglish Description This annual training course is aimed at providing or enhancing theoretical knowledge and practical skills in investigating and analysing unusual events at nuclear installations. The participants will become familiar with tools frequently used in the nuclear events investigation and root cause analysis.The training course covers the following topicsDefinitions and basic concepts of operating experience, root cause analysis and corrective action programmeModel programme for root cause analysisHuman Performance Enhancement System (HPES) methodologyAnalytical techniques: Event & Causal Factors ChartAnalytical techniques: Barrier analysis, Change analysisManagement Oversight and Risk Tree (MORT) analysisWriting event analysis reportsThe course includes both theoretical lessons and practical exercises using the event investigation tools presented. Participants will also work on a case study based on a model event.After completing the course, the participants should be able to conduct event investigations and prepare or evaluate event analysis reports. The course will be delivered by world-class experts in operating experience feedback, Dorian Conger and Maria Josefa Esteban.Agenda12 FEBRUARY 2026Root Cause Analysis and Event Investigation course agendaVenue and datesThe course will take place at the European Commission’s Joint Research Centre (JRC) in Petten, the Netherlands, from 18 to 22 May 2026.Participation is free of charge. Accommodation, per-diem and travel costs are at participants' own expense. Target audienceThe course is primarily intended for staff of EU national nuclear regulatory bodies, nuclear operators and their technical support organisations (TSO) involved in event investigation and root cause analyses. Depending on the available course capacity, the course can also be opened to interested staff of nuclear regulators, nuclear operators and TSOs from other countries and/or from relevant international organisations (IAEA, WANO).Accommodation and transportationFor logistical reasons, participants are encouraged to book accommodation in Alkmaar.Alkmaar can easily be reached from Schiphol Airport or from Amsterdam Central Station using the local train. The JRC will provide taxi transportation from the Amrâth Hotel to the JRC Petten site and back during the course. Contacts General contact If you have any question, please contact: Bianca Hirte, at Bianca [dot] HIRTEec [dot] europa [dot] eu (Bianca[dot]HIRTE[at]ec[dot]europa[dot]eu) or JRC-PTT-SECRETARIAT-G4ec [dot] europa [dot] eu (JRC-PTT-SECRETARIAT-G4[at]ec[dot]europa[dot]eu) for logistic and registration matters Milan Cihlář at milan [dot] cihlarec [dot] europa [dot] eu (milan[dot]cihlar[at]ec[dot]europa[dot]eu), for registration matters and any other issues.
This annual training course is aimed at providing or enhancing theoretical knowledge and practical skills in investigating and analysing unusual events at nuclear installations. The participants will become familiar with tools frequently used in the nuclear events investigation and root cause analysis.The training course covers the following topicsDefinitions and basic concepts of operating experience, root cause analysis and corrective action programmeModel programme for root cause analysisHuman Performance Enhancement System (HPES) methodologyAnalytical techniques: Event & Causal Factors ChartAnalytical techniques: Barrier analysis, Change analysisManagement Oversight and Risk Tree (MORT) analysisWriting event analysis reportsThe course includes both theoretical lessons and practical exercises using the event investigation tools presented. Participants will also work on a case study based on a model event.After completing the course, the participants should be able to conduct event investigations and prepare or evaluate event analysis reports. The course will be delivered by world-class experts in operating experience feedback, Dorian Conger and Maria Josefa Esteban.Agenda12 FEBRUARY 2026Root Cause Analysis and Event Investigation course agendaVenue and datesThe course will take place at the European Commission’s Joint Research Centre (JRC) in Petten, the Netherlands, from 18 to 22 May 2026.Participation is free of charge. Accommodation, per-diem and travel costs are at participants' own expense. Target audienceThe course is primarily intended for staff of EU national nuclear regulatory bodies, nuclear operators and their technical support organisations (TSO) involved in event investigation and root cause analyses. Depending on the available course capacity, the course can also be opened to interested staff of nuclear regulators, nuclear operators and TSOs from other countries and/or from relevant international organisations (IAEA, WANO).Accommodation and transportationFor logistical reasons, participants are encouraged to book accommodation in Alkmaar.Alkmaar can easily be reached from Schiphol Airport or from Amsterdam Central Station using the local train. The JRC will provide taxi transportation from the Amrâth Hotel to the JRC Petten site and back during the course.
