Activity Areas


Electrical energy is part of Proef Engineering's DNA, is at its origin, and it's also an integral part of its future. Working in this area for over 30 years, all the companies that compose Proef Engineering are a reference in terms of experience and qualified know-how.

This area of activity is divided in three branches: Services, Products and Support.

Proef Engineering has a tailored and specialized structure for the following infrastructures:
  • Energy Transmission Lines - Very High Voltage (VHV) Lines up to 150kV, 220kV, 400kV and 765kV;
  • Distribution Lines and Energy Transmission Projects; 
  • Substations - Medium Voltage (MV), High Voltage (HV) and Very High Voltage (VHV); 
  • Energy Distribution Networks - HV, MV and LV;
  • Live Working - VHV, HV, MV and LV.
This structure is topped off by teams specialized in Operation and Maintenance in the different areas of intervention. This way, the entire value chain is covered in terms of Energy projects.

Its teams are distinguished by their dynamism and strong technical knowledge, a critical factor for success in the installation and implementation of services. This spirit is recognized by current clients in the various markets where Proef Engineering operates.