The company was facing possible liquidation and was in business rescue when it made a deal with Eskom regarding the supply of coal for year, for which Eskom would pre-pay R1.68bn.
Former Eskom head of legal and compliance Suzanne Daniels told the inquiry that in hindsight, she would have asked more questions regarding a 2015 board decision to prepay Optimum Coal R1.68bn, which included questioning links to the Gupta family.
Ngubane admitted external influences played a part in Eskom's governance and internal decision-making.
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