(1) With regards to the Open-Cycle Gas Turbines (OCGT) implemented by Eskom to generate electricity, (a) how many liters of diesel have been bought by Eskom in the period 1 December 2014 up to 31 January 2015 to operate the OCGT, (b) what was the exact cost of the diesel bought during this period and (c) from which company did Eskom buy the diesel; (2) (a) what are the maximum number of hours that the OCGT was designed to operate for per day and (b) for each day since 1 December 2014 up to 31 January 2014, how many hours per day were each of the OCGT operated; (3) what effect will the failure of these OCGT have on the country’s power supply due to lack of maintenance?