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

8 February 2023

ENSI at the IAEA Regulatory Systems Conference: competence management in focus

ENSI is attending a four-day conference of the International Atomic Energy Agency IAEA – the International Conference on Effective Nuclear and Radiation Regulatory Systems – which is taking place in Abu Dhabi from 13 to 16 February 2023.

24 November 2022

ENSI is participating in a two-day symposium in Japan

The Swiss Federal Nuclear Safety Inspectorate (ENSI) is participating in a two-day symposium in Japan: The “International Conference on Regulators Views and Priorities on Nuclear Safety and Radiation Protection 10 Years After TEPCO Fukushima Daiichi NPS Accident” will take place in Tokyo on 28 and 29 November 2022.

23 November 2022

Luana Hafner, ENSI’s radiation protection expert, receives the young scientist award from the International Commission on Radiological Protection (ICRP)

Luana Hafner, a specialist in radiological safety at ENSI, has been awarded the “Cousins Award for Young Scientists and Professionals” at the Sixth International Symposium on the System of Radiological Protection, in Vancouver.

14 November 2022

WENRA’s statement on the importance of nuclear safety in the context of the current energy crisis

At its November 2022 plenary meeting, WENRA discussed the consequences of the current energy crisis on regulatory activities and issued a statement which highlights the importance of nuclear safety in this new challenging context.

2 November 2022

Liquid radioactive releases from Swiss nuclear facilities are at a low level

Liquid radioactive substances from Swiss nuclear facilities that reach the Aare and Rhine rivers are well below the officially defined emission limits. This is the conclusion reached by ENSI in the Eighth Swiss Report on the Implementation of the OSPAR Recommendation on Radioactive Discharges.

4 October 2022

Ukraine crisis takes centre stage at 66th IAEA General Conference

The 66th General Conference of the International Atomic Energy Agency (IAEA) took place in Vienna from 26 to 30 September 2022. The focus was on global nuclear safety and security as well as challenges arising from the Ukrainian crisis.

9 September 2022

«Thanks to modern radiation protection and technical progress, individual and collective doses in nuclear facilities have continuously decreased»

ENSI took part in the third IAEA International Conference on Occupational Radiation Protection from 5 to 9 September 2022.

11 May 2022

Fourth Extraordinary Meeting of the Joint Convention decides on improvements to the review process

The parties to the Joint Convention met under Swiss presidency from 4 to 6 May 2022 for an extraordinary meeting at the IAEA headquarters in Vienna. The purpose of the meeting was to further develop the review processes of the international Convention on the Safety of Spent Fuel Management and on the Safety of Radioactive Waste Management. ENSI represented Switzerland at this meeting.

25 April 2022

In its final report, the IRRS Mission calls for a national competence management strategy

The IAEA has presented its final report on the review of nuclear oversight in Switzerland. The conclusion: ENSI acts as an independent and progressive regulatory authority in accordance with internationally applicable safety standards.