Vienna, 10/04/2021

Spectacular Helicopter Operation: Marker Balls on Power Lines Replaced

• APG invests 100,000 euros to ensure visibility of wires for civil aviation – mainly along and around the A1 motorway and the S33 expressway
• Last week, dangling from the helicopter up to 60 meters above ground, expert wire service technicians replaced the so-called marker balls on one of the high-voltage power lines of Austrian Power Grid (APG).

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APG is an Austrian transmission system operator (TSO). This means that we are one of the entities in charge of making sure that Austria has a secure and reliable source of electricity 365 days a year.