Power Update ‼️
Tuesday, 6 October 2026
The Overstrand/Gansbaai Grid: A major 132 kV breaker tripped at the Houhoek substation, which instantly cut power supply feeding down into Gansbaai, Stanford, and Hermanus.
• Cape Town & Surrounds:
At the exact same time, a primary high-voltage transformer and transmission line failure upstream plunged Cape Town's northern and western suburbs into total darkness.Because these faults happened on the highest levels of the transmission grid, it completely bypassed local municipal controls and caused an immediate, synchronized blackout over a vast geographic footprint.When multiple sub-grids collapse simultaneously across separate municipal borders (Overstrand, Theewaterskloof, and City of Cape Town), technicians have to carefully isolate the primary fault line first. If they try to turn whole towns back on too quickly while the high-voltage grid is unstable, it triggers a immediate "loop trip"—which is why you may experience the power flickering or dropping immediately after a brief restoration.The highly specific, widespread footprint of this outage points to severe upstream stability issues or a cascade trip on major bulk-supply transmission lines, knocking out different sub-grids simultaneously.
#PowerUpdate #Helderberg #Eskom #BlackOut