Glass insulator strings on a Karoo transmission pylon

Green glass insulator strings and bundled conductors on a high-voltage pylon near Sutherland in the Karoo. The hardware detail shows the engineering that carries power across hundreds of empty kilometres.

Sustainable Development Goals

7. Affordable and Clean Energy 9. Industry, Innovation and Infrastructure

Keywords

conductors grid high voltage insulators karoo power lines pylon sutherland transmission

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width: 6960
height: 4640
shot_date: 2026-04-29
source_filename: sutherland-transmission-260429-2.jpg