Our activities

The sheer diversity of SIG’s activities and its commitment to the environment greatly enriches our company.

Our areas of expertise


Want to know more about SIG’s recent achievements, projects and future plans?


Download the annual report

Key figures 2019

Key figures
  • 100% of our electricity is 100% renewable and Swiss

  • 59'900 clients customers supplied with heat or cooling via thermal means

  • 73 million m³ of wastewater treated in our WWTPs

  • 219'500 tonnes tonnes of waste treated

  • 50.5 millions de m³ of drinking water distributed

Based on images

Based on images