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With helicopters and muscle power

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Maximum voltage at breathtaking heights

SAG Elektrovod replaced 30-year-old conductors-insulators in the rough terrain of the Great Fatra.


In some sections of the 400 kV line between the substations in Sučany and the Liptauer reservoir, both the poles and the conductors are more than 30 years old. The Slovakian transmission network operator SEPS has contracted with SAG Elektrovod to replace existing insulators with new ones at a total of 132 poles in order to guarantee continued dependable transmission.

The line runs across some very rough terrain of the Great Fatra. On numerous areas, it was impossible to reach the locations with vehicles and heavy equipment. For this reason, the technicians had to carry the insulators in part themselves up the pole. The material was even transported by helicopter to six locations.

Despite the rough terrain and the partially bad weather, we were able to finish the project four days earlier than planned.