(EnergyAsia, September 4, Thursday) — China’s Suntech Power said it has signed new supply agreements to purchase from GCL Silicon 9,420 metri tonnes of polysilicon and 1.1 GW of silicon wafers from 2008 to 2012. Including this deal, Suntech has now secured a total of 1GW of silicon for 2009. “These agreements with GCL Silicon…