(1) Whether any discussions are taking place between (a) BHP Billiton, (b) Eskom and (c) her department to effect a reduction in the 1700MW to 2000MW electricity usage used by the aluminum plant to identify a significant electricity saving; if not, why not; if so, what are the relevant details; (2) what (a) current electricity tariffs are charged at these two mines and and (b) are the terms for determining these tariffs?