Eskom has lost supply to Bothaville in the Free State at 01:30 this morning.
Tests are being conducted on the transformer to determine the cause of the outage. An estimated restoration time is still unknown.
Eskom apologises for the inconvenience and urges consumers to treat all electrical lines, sockets and appliances as live and dangerous at all times.
Enquiries can be directed to the Eskom Contact Centre at 08600 ESKOM/37566.