Stage 2 loadshedding will continue until 16:00 on Tuesday. Thereafter, Stage 4 loadshedding will be implemented until 05:00 on Wednesday, Eskom said in a statement.
This pattern will be implemented daily until further notice.
"The implementation of the higher stages of loadshedding is due to the loss of additional generation units over the past 24 hours; however, Eskom will endeavour to reduce stages of loadshedding where possible," the power utility said.
Breakdowns are currently at 16 154MW of generating capacity while the generating capacity out of service for planned maintenance is 5 970MW.
Over the past 24 hours, a generating unit at Duvha, Kendal and Majuba power stations was returned to service.
In the same period, a generating unit at Camden, Kendal, Kriel, Kusile, Matla and two generating units at Matimba power stations were taken offline for repairs.
The delay in returning to service a generating unit at Tutuka and Kendal Power Stations is also contributing to the current capacity constraints.