The Federal Government recently announced that the Solar Credit Multiplier would change from 5 to 3 as of July 1 2011. This caused a huge spike in sales across the industry as everyone rushed to install solar to meet the July 1 deadline. As a result there will be a large surplus of STCs in the market for some time after July 1 keeping STC open market prices low.
In order to remain viable SolarSpec will adjust the STC offer to $27 effective Monday May 30. This will apply to all orders placed from and including May 30, 2011. This is still above current market rates of around or below $25.