Energy Monitoring System EnMos - Swisscom


For Swisscom, Tetrag realised the implementation of an energy monitoring system for 67 data centres and central offices as a total contractor. This included concept development, planning, installation of the meters and system integration.

The project

The sites were checked for their existing measurement infrastructure and expanded. New data sources were developed and interfaces to other leading systems had to be created.

Services in detail

  • Development of the measurement and system concept as total contractor
  • Planning and implementation of the rollout
  • Installation of the meter infrastructure
  • System integration


  • Implementation during ongoing operations
  • Completion of installations at 67 locations within 12 months
  • Consideration of frozen zones. During these important periods for Swisscom, during public events (e.g. Olympic Games, WEF Davos, etc.), no adjustments were allowed to be made to the system technology.
  • High security requirements regarding access and data communication


  • Creation of transparency regarding energy consumption
  • Increase energy efficiency by 20% from 2009 to 2015

Further information

Our goals

  • Creation of transparency regarding energy consumption
  • Determination of the PUE
  • Increased operational reliability through timely expansion of supply capacity
  • Increasing energy efficiency
Location Binzring 17
8045 Zürich
Status in construction
Construction volume (value of our services) 2,2 Mio. CHF
Start of construction Oktober 2012
Building owner December 2013
Client Swisscom (Switzerland) AG
Overall management Swisscom (Switzerland) AG
Project management Planung Rollout: Implenia Switzerland AG, 6038 Gisikon
Project author Tetrag AG
Planning Tetrag AG
Number of locations 80

Services rendered

  • Operation optimisation
  • Energy controlling
  • Tetrag