The official opposition has argued that the National Energy Regulator of South Africa had not considered the effect of the tarrif rise on poor households

Power utility says the high court challenge to the increase is flawed in law, and could mean more load-shedding, or worse, a credit default

Eskom has asked at public hearings that it be allowed to raise prices to, in part, fuel gas turbines.

The state has determined that coal will be declared a strategic mineral, boosting Eskom’s efforts to secure a steady supply to run its power stations.