• Set up and first works of the ODISCÉ (French acronym for “Opening up and encouraging dialog with civil society on expertise”) committee
  • Start of VSEAL experimentation as part of the expertise of the CIGEO project for geological disposal of radioactive waste
  • Publication of an operational assistance guide for radiotherapy professionals


  • Start of the mobilization of IRSN’s crisis organization due to the war in Ukraine
  • Launch of the development of the EURATOM Accounting Integration software in the Base for the Preparation of Reports on Safeguards (ICEBERG) under the “France Relance” (France Revival) program


  • Public meeting reporting the results of the environmental radiation study of the Saint-Alban Saint-Maurice-l’Exil nuclear power plant
  • Signature of a framework agreement for scientific collaboration with Paris-Saclay University
  • End of the AMORAD research project on the dispersion of radionuclides in the environment and their impact on the marine environment and terrestrial ecosystems following an accident such as that of Fukushima-Daiichi (13 French partners in partnership with Tsukuba University, Japan)


  • Finalization of the European MEDIRAD research project (33 partners from 14 Member States): publication of recommendations to optimize the use of ionizing radiation in the medical field and improve radiation protection for patients and healthcare professionals


  • Organization and hosting of Rencontres Internationales for high school students on radiation protection (80 students from various French regions, Japan, and Moldova)
  • Publication of the notice on the impact of energy mix scenarios on the nuclear fuel cycle


  • Launch of the European PIANOFORTE partnership coordinated by IRSN (58 partners representing 22 EU countries as well as the UK and Norway)Logo Pianoforte European Partnership for Radiation Protection Research
  • Delivery to CNRS’S CEO and IRSN’s Director General of a common scientific roadmap


  • Nuclear Fuel Thesis Day


  • Step-up of IRSN’s mobilization to serve public authorities and citizens in the context of the war in Ukraine


  • 66th IAEA General Conference: numerous bilateral exchanges and IRSN’s organization of a side event for safety and radiation protection research facilities


  • Fête de la Science (Science Day): open day at some of IRSN’s sites
  • Submission of two expertise reports to the National Commission for Public Debate as part of the public debate on “New Nuclear Reactors and the Penly project”
  • Launch of the PASTIS thermohydraulic research program studying the safety performance of passive systems
  • End of the international PRISME 3 research project on fires and their spread vectors in a nuclear facility (12 partners from 8 countries)


  • First “Integration Research Expertise” event on nuclear safety
  • Launch of the European “Artificial Intelligence for Simulation of Severe Accidents” (ASSAS) research project coordinated by IRSN (13 partners)


  • Commissioning of the FUEL+ nuclear fuel behavior modeling software platform developed by IRSN