Eskom technicians are currently on site to determine what caused a feeder trip between two substations in Edenvale.
The feeder trip between the Edenvale substation and Horwood substation has caused a power outage in Edenvale CBD, Hurlyvale, Elma Park and Dunvegan.
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Once the cause of the trip has been established the restoration time will be announced.
Eskom apologised for the inconvenience caused.