Root cause analysis and event investigation training

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 topics

• Definitions and basic concepts of operating experience, root cause analysis and corrective action programme
• Model programme for root cause analysis
• Human Performance Enhancement System (HPES) methodology
• Analytical techniques: Event & Causal Factors Chart
• Analytical techniques: Barrier analysis, Change analysis
• Management Oversight and Risk Tree (MORT) analysis
• Writing event analysis reports

The 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.

Agenda

Venue and dates

The 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 audience

The 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 transportation

For 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.