Whether the completion of the Medupi power plant will be delayed; if so, (a) what is the new expected date of completion, (b) by when is the station expected to come online, (c) what are the reasons for the delay, (d)(i) what will the new budget for the project be as a result of the delay and (ii) from which budget will this additional revenue be funded and (e) what (i) impact will the delay have on the power supply generated nationally and (ii) measures have Eskom put in place to ensure that the delay will not have an impact on power supply?