Headquarters of Eskom, Megawatt park, north of Johannesburg. Eskom generates approximately 95% of the electricity used in South Africa and approximately 45% of the electricity used in Africa.
On Monday, the power utility admitted to releasing false information about the payments.
It initially claimed that management consultancy firm Oliver Wyman had found all the transactions were above board.
Eskom now says the New York-based firm actually red-flagged the payments.