(a) What are the details of his plan to deal with the problems regarding the coal independent power producers (IPPs) for Eskom, in particular the fact that Eskom (i) will have to close certain of its own coal plants early to meet the offtake requirements of the coal IPPs, and even earlier in a low greenhouse gas emission scenario and (ii) will be faced with having to sell electricity at very high prices in circumstances where more and more electricity consumers are defecting from the grid and (b) what steps does he intend to take to mitigate the impact on Eskom?