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.

29 September 2017

Switzerland renews bilateral agreement for nuclear safety with the USA

Switzerland extended its agreement with the United States with regard to the exchange of technical information and collaboration on issues of nuclear safety. The renewal between the Swiss Federal Nuclear Safety Inspectorate ENSI and the U.S. Nuclear Regulatory Commission US NRC took place at the General Conference of the International Atomic Energy Agency IAEA in Vienna.

4 September 2017

Japanese supervisory authority, NRA, visits ENSI

A delegation from the Japanese Nuclear Regulation Authority, NRA, learned more about the activities of the Swiss Federal Nuclear Safety Inspectorate (ENSI) during a visit between 21 and 25 August 2017. Key topics were the supervisory and safety cultures.

18 August 2017

Iranian delegation briefed on nuclear regulatory practice in Switzerland

A delegation from the Iran Nuclear Regulatory Authority (INRA) gained insights into the supervisory activities of the Swiss Federal Nuclear Safety Inspectorate (ENSI) during a visit from 14 to 18 August 2017. Key issues included the management system, implementation of the backfitting obligation and safety culture.

30 May 2017

Switzerland wants to strengthen its nuclear security regime with an IPPAS mission

Switzerland has submitted an application for an IPPAS mission to the International Atomic Energy Agency (IAEA). This should take place in the middle of 2018 and aims at strengthening Switzerland’s nuclear security.

15 May 2017

Workshop on aspects of biosphere modelling within the context of deep geological repositories

During a joint project-workshop, members of the international BIOPROTA Forum and members of the IAEA MODARIA II Working Group 6 discussed methods for biosphere modelling within the context of deep geological repositories. The workshop took place from 10 – 12 May 2017 at the Swiss Federal Nuclear Safety Inspectorate (ENSI) in Brugg.

28 April 2017

ENSI decides that Swiss nuclear plants should participate in Europe-wide peer review on ageing management

Nuclear power plants in Switzerland are to take part in a Europe-wide peer review on ageing management this year. ENSI, the Swiss Federal Nuclear Safety Inspectorate, has decided that Swiss plants should participate in the EU Topical Peer Review.

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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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