SSkim
415,000,000 x 11 x 70/100 = $3.2b
Waterberg is estimated to contain 6bt of coal or 45% of SA in situ coal reserves. By the year 2030, 5 of the present 10 working coal mines will run out of coal and 2 of the remaining 5 mines are very expensive to run.
The following three charts gives a graphical view of the SA domestic coal consumption and illustrates the critical role Waterberg will play from 2008 and beyond.