Eskom confirmed that a transformer had caught alight in Kempton Park in Ekurhuleni on Sunday morning.
“Eskom's transformer in Kempton Park caught fire affecting @City_Ekurhuleni customers. Ekurhuleni Emergency Services on site,” Eskom tweeted.
It said the cause of the fire would only be established once it was safe to investigate.
Emergency services could not be reached for comment on Sunday.
