Eskom has announced that Stage 2 load-shedding will be implemented from 16:00 to midnight on Tuesday evening.

"There is also a high probability that load-shedding will require to be implemented during the same time on both Wednesday and Thursday evenings," the power utility said. 

"The breakdowns of a single generation unit at Arnot Power Station and three at Tutuka Power Station during the last 24 hours, as well as the delays in returning units to service at Arnot, Kusile and Tutuka power stations have put a severe strain on the power generation system."

Currently, 4 550MW is out on planned maintenance, while another 14 182MW of capacity is unavailable due to breakdowns.