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 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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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.

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News

The continuous improvement of nuclear safety and security in Switzerland is the main concern of international cooperation. The regulatory exchange of information and experience plays an important role in this. The ENSI Board therefore updated and adopted the Strategy International Activities.

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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.

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The conclusion of the experts from the International Atomic Energy Agency (IAEA) upon completion of the two-week review mission is that Switzerland has a robust nuclear security system. During the mission of the International Physical Protection Advisory Service IPPAS, from 30 October to 10 November 2023, the international team carried out a detailed examination of the national foundations and measures for the protection of nuclear installations, nuclear material and radioactive material against unauthorised intervention.

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Background Articles

At the time of the fateful accident in Fukushima, Doris Leuthard was head of the Federal Department of the Environment, Transport, Energy and Communications (DETEC). To commemorate the tenth anniversary of the nuclear disaster, the former Federal Councillor explains why it was essential to provide political support for nuclear safety after the accident.

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IAEA Building in Vienna

After the accident at Fukushima, there was an increasing demand for international safety standards and their international monitoring. Switzerland, and in particular ENSI, was committed to mandatory backfitting on a global basis. Even if such safety principles are still not legally binding, the reactor accident acted as a booster for a new safety awareness amongst the international community.

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«The safety authorities cultivate a frank exchange of information. Swiss experts, for instance, support French colleagues during inspections of their nuclear power plants – and vice-versa. In this way we learn from each other and share our wealth of experience for the benefit of all countries.»

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Documents

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