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

6 April 2022

Review Conference on the Security of Nuclear Material

The first review conference of the Amended Convention on the Physical Protection of Nuclear Material took place from 28 March to 1 April 2022. Switzerland lobbied for a repeated review of the implementation of the Amended Convention, to be carried out in five years time as part of an IAEA conference. The Amended Convention on […]

19 November 2021

IAEA Fukushima Conference Identifies New International Recommendations for Action

The international conference “A Decade of Progress after Fukushima Daiichi” was held in Vienna from 8 to 12 November 2021. ENSI also took part in the conference.

1 November 2021

IRRS Mission 2021: IAEA approves ENSI as an independent and progressive regulatory authority

Swiss nuclear safety oversight complies with the internationally applicable standards of the IAEA regulatory framework. This is the outcome of the IRRS mission of the International Atomic Energy Agency that concluded on Friday.

18 October 2021

IRRS Mission to Switzerland: Swiss nuclear oversight under international review

The IRRS mission will be taking place in Switzerland from 18 to 29 October 2021. As part of this mission, experts from the International Atomic Energy Agency (IAEA) will be reviewing the Swiss regulatory system and ENSI’s work.

23 September 2021

Global nuclear safety is the focus of the 65th IAEA General Conference

The 65th General Conference of the International Atomic Energy Agency (IAEA) is taking place from 20 to 24 September. The focus is on nuclear safety, security and verification as well as the challenges arising from the COVID-19 pandemic.

13 August 2021

New international research projects

ENSI is participating in two large-scale international research projects providing data on the ageing phenomena of reactors and on the operating and accident behaviour of fuel rods. The findings are being incorporated into ENSI’s safety assessments.

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.