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Toyoshi Fuketa, Commissioner of the Japanese NRA and ENSI Director General  Hans Wanner.

“Japan wants to learn from Switzerland”

A high-ranking representative of Japan’s Nuclear Regulation Authority (NRA) has visited the Swiss Federal Nuclear Safety Inspectorate (ENSI) in Brugg to obtain information about the legal provisions on maintaining and continuously improving the safety of nuclear power plants in Switzerland. The focus was on Periodic Safety Reviews (PSR) and on the backfitting obligation.

Regelwerk ENSI

ENSI Board approves strategy for ENSI’s regulatory framework

The regulatory framework of the Swiss Federal Nuclear Safety Inspectorate (ENSI) is harmonised with the relevant international requirements. ENSI only issues its own guidelines when it is necessary to do so, and it involves all the stakeholders when it drafts them. These principles are stated in a new strategy for the regulatory framework which the ENSI Board has approved.


More power and competences should be given to ENSI, IAEA experts say

The Swiss Federal Nuclear Safety Inspectorate (ENSI) should be the only authority to make the final decision on issues related to the safety of nuclear installations. In the course of a follow-up mission by the Integrated Regulatory Review Service (IRRS), experts from the International Atomic Energy Agency (IAEA) re-emphasised this recommendation.


International Affairs

Wasserschloss, Hochwasser 2007


ENSI has accepted the proof of ability to withstand flooding submitted by all Swiss power plants. All of them will cope with an extreme flood of the sort that may occur on average once every 10,000 years.

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Hans Wanner était présent à la réunion d’Ottawa en tant que président de l’Association des régulateurs d'Europe de l'ouest (WENRA).

International Affairs

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 […]

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