Eskom CEO André de Ruyter says the design defects at Medupi and Kusile power stations have been identified and the necessary modifications are being implemented. Newsflash reports that the construction of Medupi in Limpopo was previously expected to cost 145-billion-rand and Kusile in Mpumalanga 161-billion-rand. However, fixing defects will push expenditure at the two power stations significantly higher. De Ruyter says maintenance of the power utility’s aging coal fleet is also going ahead