Johannesburg - Various areas of Soweto were hit by power outages on Monday evening, Eskom said.
"We are currently experiencing multiple failures resulting in power supply shortages," Gauteng spokesperson Reneiloe Semenya told Sapa.
The affected areas were Dobsonville, Zola, Molapo, Mapetla and Protea North.
"Eskom is working on the problems. Our technicians are on site trying to diagnose what the problem is," she said.