Cape Town - Eskom Chief Executive Phakamani Hadebe has quit the power utility. Hadebe joined the company last year after the departure of some of the senior officials.
Eskom is under pressure and facing liquidity challenges.
It has a debt of more than R420 billion and the government is struggling to stabilise it.
The government has proposed the separation of Eskom into three entities.
In a statement Hadebe cited health reasons for his departure saying the work had also had an impact on his family.