The alleged mismanagement of a renewable energy deal is costing the power utility about R35m.
Speculation is mounting that some Cabinet ministers may be considering selling parts of Eskom to raise money.
The energy regulator has given Eskom the go ahead to adjust rates above the 8% already granted.
Nersa says Eskom may adjust rates next year above the already eight percent increases.
Nersa says some Gauteng residents could pay more for electricity following tariff increases this week.
Depending on the outcome, customers could experience a rise or fall in the price of electricity.