NISV Rehabilitation of Transformer Stations

Due to changes in fundamental regulations (NISV) and to ensure operational safety, facilities have to be refurbished using the open trench method. This involves replacement of equipment as well as repair of the building structure and checking the legal security of the project aims.

Main Data

  • 40 retroffited transformer sations
  • 2 retrofitted customer transfer stations
  • Size 2 x 630 kVA
  • Switchgear SF6
  • NISV – optimised construction


Energie Wasser Bern


IUB Engineering Ltd.

Construction period


Scope of services

  • Project management
  • Design
  • Application approval process
  • Legal security
  • Procurement of resources
  • Construction supervision
  • Acceptance