Eskom has urged customers to use electricity sparingly after two generation units tripped at the Medupi and Tutuka power stations on Tuesday.

The power utility says the trip led to a constraint in the power generating system and has warned that the constrained power supply may persist throughout the weekend.

Eskom spokesperson Sikonathi Mantshantsha says, “We lost a unit each at Medupi and at Tutuka totaling about 1 300 megawatts. This constraint in the supply situation may persist through the weekend. Eskom teams are hard at work trying to return these units to service. The public’s co-operation in managing demand will help us supply the country’s demand through the peak period.