In Switzerland, on-going activities regarding safety assessment of the different stages in the lifetime of nuclear installations consist of periodic assessments and assessments of long-term operation for existing Swiss NPPs.

When it comes to international affairs, Switzerland has signed the Convention on Nuclear Safety (CNS) on 31 October 1995. In November 2011, an IRRS Mission was conducted in Switzerland. The results of the mission are currently being implemented, and it is planned to have an IRRS Follow-Up Mission in 2015. In October 2012, an OSART Mission to the Mühleberg NPP was completed. Switzerland participated in the European Stress Test and its Follow-Up activities.

News

18 April 2024

International Commitment Strengthens Nuclear Oversight

The continuous improvement of nuclear safety and security in Switzerland is the main concern of international cooperation. The regulatory exchange of information and experience plays an important role in this. The ENSI Board therefore updated and adopted the Strategy International Activities.

5 April 2024

Organizational Meeting for the Eighth Review Conference of the Joint Convention under Swiss chairmanship

At the end of March, the Organizational Meeting for the forthcoming Review Conference of the Joint Convention on the Safety of Spent Fuel Management and of Radioactive Waste Management was held at the headquarters of the International Atomic Energy Agency (IAEA). This year’s meeting also marked the end of the Swiss Chairmanship.

11 January 2024

Topical Peer Review 2023: Interested members of the public can submit questions on «fire protection in nuclear installations»

Every six years, the EU Commission and the European Nuclear Safety Regulators Group (ENSREG) organise a Topical Peer Review (TPR): a thematically focused review of nuclear installations by international experts. The main topic of the 2023 TPR was fire protection in nuclear installations. Switzerland and numerous other European countries submitted a country report to ENSREG as part of the TPR. The interested public has now the opportunity to ask questions about these country reports.

27 November 2023

German-Swiss Commission Discusses IPPAS Follow-up Mission and Deep Geological Repositories

At this year’s meeting, the German-Swiss Commission devoted particular attention to the progress made in deep geological disposal. The results of the IAEA’s international review missions in Switzerland and Germany were also discussed in Munich on 22 and 23 November 2023.

10 November 2023

Conclusion of the IPPAS Mission 2023: Switzerland has a strong nuclear security regime

The conclusion of the experts from the International Atomic Energy Agency (IAEA) upon completion of the two-week review mission is that Switzerland has a robust nuclear security system. During the mission of the International Physical Protection Advisory Service IPPAS, from 30 October to 10 November 2023, the international team carried out a detailed examination of the national foundations and measures for the protection of nuclear installations, nuclear material and radioactive material against unauthorised intervention.

3 November 2023

Fire Protection in Nuclear Installations: Swiss National Report Submitted to ENSREG

Swiss nuclear installations comply with WENRA’s fire protection requirements. This is the conclusion that ENSI has reached within the framework of the Topical Peer Review 2023.

26 October 2023

IPPAS Mission 2023: International experts to review Swiss nuclear security regime

Switzerland is to be reviewed by experts from the International Atomic Energy Agency (IAEA) between 30 October and 10 November 2023, when the focus will be on national requirements and measures to protect nuclear installations and nuclear material, including radioactive material, from unauthorised actions.

3 October 2023

The protection of nuclear installations in conflict areas took centre stage at the 67th IAEA General Conference

The 67th General Conference of the International Atomic Energy Agency (IAEA) took place in Vienna from 25 to 29 September 2023. The General Conference was a success for Switzerland; all resolutions relevant for Switzerland were adopted by consensus after intensive negotiations.

17 March 2023

Convention on Nuclear Safety to evaluate two National Reports from Switzerland

ENSI will be participating in the Ninth Review Meeting of the Convention on Nuclear Safety of the International Atomic Energy Agency (IAEA) in Vienna, scheduled to take place from 20 to 31 March. This year’s conference will be evaluating Switzerland’s Eighth and Ninth National Reports.