The annual duration curve of a certain power station can be considered as a straight line from 20 MW to 4 MW To meet this load, three turbine-generator units, two rated at 10 MW each and one rated at 5 MW are installed 1.1 Draw a sketch of annual load duration curve 1 2 Determine. (a) the installed capacity (b) average load (c) the load factor (d) the capacity factor (e) utilisation factor