Our customer commitments

SIG is definitively committed to its customers:

employé de terrain SIG

We restore electricity within 4 hours following a scheduled interruption in 99% of the cases.


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Gas maintenance services

Respond in under 3 hours in the event of network failure and in less than 30 minutes for gas emergencies.

This is the case for 81% of responses. 

Employé SIG du service client devant son ordinateur

Customer service

  • Put you through to an adviser in under 30 seconds at +41 (0)844 800 808.

This is the case for 86% of calls. 

  • •Process your request on +41(0)844 800 808 as of the very first call.

This is the case for 84% of requests. 

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Electricity savings

  • Bill you at the lowest electricity rate.

This is the case for 100% of our customers. 

  • Ensure you enjoy a 10-20% discount on the energy portion of your bill if you reduce your electricity consumption by at least 4%.


This was the case for 86,715 customers in 2016.

Electricity savings
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Drinking water

Provide you with pristine water by supplementing the chemical analyses tests with taste tests twice a month.

This is the case every year, with 24 yearly tastings organised across the drinking water network, ensuring pristine water with a most pleasant taste.