Both reactors at Beznau nuclear power plant in Switzerland have been shut down due to the heat. +Get the most important news from Switzerland in your inbox Axpo had already suspended operation of the first unit on Tuesday. The company did the same on Wednesday evening with the second. High temperatures in the River Aare, which supplies the power station in Döttingen with cooling water, had already forced the electricity company to halve the output of the two reactors, then to disconnect block 1 on Tuesday afternoon. Block 2 followed suit on Wednesday evening. These measures comply with directives issued by the Swiss Federal Office of Energy (SFOE). They have been taken in agreement with the Swiss Federal Electricity Commission (ElCom), the Swiss Federal Institute for Nuclear Safety (ENSI) and the Swiss electricity grid operator Swissgrid, according to Axpo. Axpo adds that the temporary shutdown of the Beznau power plant poses no threat to the security of the electricity supply or ...