They will progressively develop their 40mw GT plant to a 400mw GT plant over 2 years. Based on your own calculation this translates to 0.50 $/share. Not a bad return at today's price and for 2 years investment. Time value for money of 700% over 2 years.
More details here:
http://www.brr.com.au/event/40723
Test pilot to commence in June this year.
JORC to come
Significant drilling expansion