In Switzerland, the origin of electricity is subject to labeling according to the Energy Act. Companies that supply Swiss end consumers with electricity must provide information on the following at least once a year:
- Percentage of energy sources used in the electricity supplied
- Origin of electricity - production at home and abroad
- Total amount of electricity delivered
- Name of the electricity supplier
https://www.strom.ch/de/service/stromkennzeichnung
The VSE as an industry umbrella organization and Pronovo as the enforcement agency jointly operate this website, with the Internet address provided by the SFOE.