Global presence

Kolektor Etra

Basic activity of the company is development, servicing, and dismounting of transformers for energy, distribution, and special transformers.

We are a company that has the capacity to produce energy and power generator transformers up to 500 MVA and voltages up to 420 kV. We focus mainly on technical areas, such as loss and reduce the noise level. Innovative, professional and responsible, were the words with which we characterize our valued customers in the past years.

ISO 9001 (31. 10. 2026)
ISO 14001 (31. 10. 2025)
ISO 45001 (29. 10. 2026)
Kolektor Etra
  • Dejan Velikanje, Director
  • Tomaž Kmecl, Director

Kolektor Etra Energetski transformatorji d.o.o.
Šlandrova ulica 10
SI-1231 Ljubljana

T +396 1 530 28 00

Kolektor Etra Sverige AB
Tunnlandsvägen 11
178 37 Ekerö


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