Not sure where you get 2000 operational hours in a quarter - 90 days at 10 hours a day is 900 hours. During those 10 hours, production is 44-45 MW when not impacted by cloud, and Genex has indicated the plant is still in the final stages or ramp-up.
By subtracting July production from September quarter production I get 26,862 MWh generated in 60 days (600 hours) since the QLD Govt PPA kicked in, with revenue of $ 2,183, 017. This works out at $81 per MWh, or 8 cents per KWh, which is more than the price that current solar projects are being bid at much less than that: