Intelligent energy
is the future.  

Secure, efficient, cost-optimised.
Energy infrastructure with SPIE SAG.  

Transmission networks: a century of experience with extra-high and high-voltages

With over 100 years of experience, we are the leading provider for the design, assembling and refurbishment of EHV/HV overhead linesEHV/HV cable systems, and  EHV/HV substations. In our own research and technology centre, we investigate components, assemblies and complex energy supply systems.

Together with our subsidiaries, Bohlen & Doyen and SPIE Erwin Peters, we are also well-prepared to undertake works on the gas transportation network. In the field of natural gas plants and pipeline construction, we are one of the leading service providers.

We are fully prepared to support network operators in the necessary expansion of transmission networks and transportation networks — with both highly-qualified staff and cutting edge technology.