Power was restored to parts of Roodepoort on Monday afternoon after cable theft left a man dead, a sub-station in flames, and areas without power, Johannesburg City said.
City Power spokesman Sol Masolo said in a statement technicians had restored power to Discovery, Georgiania, Selwyn, Horizon and Ontdekkers Park.
Earlier, supply was reinstated to nine other areas, including Strubens Valley, Honeydew, and Weltevreden Park.
Masolo said technicians were still working on the two affected substations and were committed to restoring electricity to the areas that were still without power.
Cable theft at a Roodetown substation left the surrounding area without power from 7am.
"Due to the fact that the protection cables at the Roodetown substation have been stolen, an attempted cable theft at Roodepoort caused fire which burned one of the transformers, causing the power interruption," Masolo said.
City Power officials found an electrocuted body at the Roodepoort station.
The fire at the sub-station also knocked out traffic lights, resulting in traffic jams, Johannesburg metro police said.
Senior Superintendent Wayne Minnaar said power to the traffic lights was expected to be out for the rest of the day.
Minnaar said morning traffic was "very, very heavy" as a result of the power outage.
Metro police officials had been deployed to direct traffic at the main intersections in Roodepoort.
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