The Federal Supreme Court’s judgements regarding the regulatory activities of ENSI are set out below:

• Federal Supreme Court confirms correct assessment of the 10,000-year earthquake
• ENSI has correctly assessed the earthquake safety of the Beznau NPP
• ENSI requires a new flooding safety case from Mühleberg NPP
• Federal Supreme Court does not hear appeal concerning the flooding safety case
• Ruling of the Federal Supreme Court on the appeal concerning the flooding safety case of the Mühleberg nuclear power station dated 5 October 2018
• Federal Supreme Court ruling: ENSI publishes EMI data of Leibstadt NPP for the required period
• Federal Supreme Court: Leibstadt NPP must make exhaust air data available retrospectively
• Federal Supreme Court ruling of 11 April 2014: Oversight of the Mühleberg NPP
• Federal Supreme Court: Right of appeal for residents living near the Mühleberg Nuclear Power Plant
• Mühleberg Nuclear Power Plant: ENSI demands a high level of safety right up until the last day of operation
• Federal Supreme Court ruling of 14 May 2013: Withdrawal of the operating licence for the Mühleberg Nuclear Power Plant
• Opinion of DETEC on the ruling of the Federal Supreme Court
• Federal Supreme Court ruling of 28 March 2013: Withdrawal of the operating licence for the Mühleberg Nuclear Power Plant
• Federal Supreme Court opposes an unlimited operating licence for Mühleberg
• ENSI takes note of the decision of the Federal Administrative Court regarding emergency preparedness
• Mühleberg Nuclear Power Plant: DETEC lodges an appeal with the Federal Supreme Court
• HSK (the legal predecessor of ENSI) finalises its safety opinion on the “Periodic Safety Review” of the Mühleberg Nuclear Power Plant