BELVI is one of the few companies in Bulgaria which has the necessary qualified engineers, fitters and specialized equipment for the construction and repair of 440 kV power lines. We carry out all the activities – from designing to construction and putting into operation.

Here are some of our projects

  • Dismantling, delivery and installation of grounding elements of 400 kV Pirin overhead line
  • Emergency changing of a lightning protection rope of 400 kV Pirin overhead line
  • Changing of insulator chains of 400 kV Pirin overhead line
  • Installation of line surge arresters of 400 kV Pirin overhead line
  • Installation of counterweights of 400 kV Pirin overhead line
  • Changing of insulation elements of 400 kV Lyulin-Rudartsi overhead line
  • Construction of foundations, installation and setting upright of poles of 400 kV Ruen overhead line