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.

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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.

9 October 2020

IAEA Director General receives an insight into Swiss backfitting philosophy

ENSI experts gave IAEA Director General, Rafael Grossi, a guided tour of the Beznau nuclear power plant. Grossi was given a picture of the continuous improvements made to nuclear safety as laid down in the Vienna Declaration, in the setting of a Swiss example.

25 February 2020

Nuclear security: Switzerland aims to strengthen cybersecurity

In a recent meeting, ENSI Director Hans Wanner and IAEA Director General Rafael Mariano Grossi discussed the latest issues and future challenges in nuclear safety and security. The meeting took place during the third International Conference on Nuclear Security organised by the IAEA in Vienna.

16 August 2019

Convention on Nuclear Safety: Switzerland publishes 8th National Report

Switzerland implements the requirements of the Convention on Nuclear Safety (CNS). This emerges from the 8th National Report to the CNS, submitted this week by the Swiss Federal Nuclear Safety Inspectorate (ENSI) to the International Atomic Energy Agency IAEA.

23 January 2019

Russian delegation shows interest in the Swiss site selection process for deep geological repositories

In mid-January, a delegation from the Nuclear Regulatory body of Russia and the Russian Scientific and Engineering Centre for Nuclear and Radiation Safety visited ENSI to learn more about the search for a site for deep geological repositories in Switzerland. In addition to the site selection process, the next step in Russia is the construction of an underground research laboratory in the Krasnoyarsk region.

5 December 2018

Fall in liquid radioactive releases from Swiss nuclear plants

Swiss nuclear facilities successfully reduced their liquid radioactive releases in recent years. This emerged from the seventh report submitted by Switzerland on the implementation of the OSPAR Convention.

26 September 2018

Switzerland commits to international cooperation in nuclear security

At the 62nd General Conference of the IAEA in Vienna, Switzerland last week committed itself to the strengthening of nuclear safety and security at the global level. ENSI also participated in bilateral discussions with international partners on the imortant topics of safety culture, emergency preparedness and the international security of nuclear installations and materials.

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Documents

ENSI-AN-11361	9th National Report of Switzerland to the Convention on Nuclear Safety	Conventions	PDF (1.10 MB)
ENSI-AN-11284	Research and Experience Report 2021 – ENSI-AN-11284	Annual reports, Research and Experience Reports	PDF (21.80 MB)
ENSI-AN-11061	Research and Experience Report 2020 – ENSI-AN-11061	Annual reports, Research and Experience Reports	PDF (22.44 MB)
ENSI-AN-10919	Research and Experience Report 2019 – ENSI-AN-10919	Annual reports, Research and Experience Reports	PDF (25.64 MB)
ENSI-AN-10683	8th National Report of Switzerland to the Convention on Nuclear Safety	Conventions	PDF (5.04 MB)
	7th Implementation Report to the OSPAR Radioactive Substances Committee	Reports	PDF (659.72 KB)
	Convention on Nuclear Safety: Questions Posted To Switzerland in 2017	Conventions	PDF (357.70 KB)
ENSI-AN-9741	7th National Report of Switzerland to the Convention on Nuclear Safety	Conventions	PDF (5.90 MB)
2014	5th Swiss Report to the Joint Convention on the Safety of Spent Fuel Management and on the Safety of Radioactive Waste Management	Conventions	PDF (9.32 MB)
ENSI-AN-8823	Strategy for international cooperation	Strategy Documents	PDF (3.06 MB)
	6th National Report of Switzerland to the Convention on Nuclear Safety	Conventions	PDF (2.51 MB)
	Integrated Regulatory Review Service (IRRS) Mission to Switzerland	Other documents	PDF (1.68 MB)

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