Tshediso Matona takes over from acting CEO Collin Matjila.
The power utility has defended the huge payout to its former CEO Brain Dames.
Eskom's Tsholofelo Molefe said Brian Dames was entitled to the R15.3 million.
The power utility has once again pleaded with consumers to use electricity sparingly.
The Eskom CEO says a probe is underway to determine who fed wet coal into the Kendal power station.
The minister was responding to criticism by the DA in Parliament on Tuesday afternoon.