(1) (a) Who are Eskom’s top 10 customers, (b) what (i) is their type of business, (ii) is the tariff of each and (iii) is their average annual consumption and (c) what was each of their average percentage use of total electricity (i) in the (aa) 2010-11, (bb) 2011-12, (cc) 2012-13, (dd) 2013-14 and (ee) 2014-15 financial years and (ii) in the period 1 April 2015 up to the latest specified date for which information is available; (2) whether any of these companies have contracts with Eskom; if not, why not, if so, (a) what are the details of their contracts and (b) what is the (i) inception and (ii) end dates of each of their contracts; (3) whether Eskom is reviewing any of these contracts; if not, why not; if so, what are the details including the proposed tariff; (4) whether any of these companies have been investigated for anti-competitive behavior and/or price fixing; if not, why not; if so, what are the relevant details; (5) what is the contribution of each specified company (a) to the fiscus and (b) as a percentage of the gross domestic product?