(1)What is the total cost of maintenance backlog accumulated at the (a) Medupi and (b) Kusile power stations since construction started at the specified stations;
(2) what is the line item breakdown of cost overruns incurred at the (a) Medupi and (b) Kusile power stations (i) including capitalised interest, (ii) excluding interest and (iii) only construction overruns? NW1342E