According 《2007 China solar grade wafer or ingot industry research report data,2006 China Solar Silicon Wafer Shipment was 399.4 MW,Increased 177.6% than 143.9MW in 2005,and hopefully reach 927.6 MW in 2007,increase 132.2% than 2006.
Though It was a rapid growth of Solar Wafer Shipment,It was less than its downstream solar cell Increasing,Thus cute the continue shortage of Solar wafer,what is more, due to the increasing price of Polysilicon and shortage of wafer, wafer selling price increase to 2.25 USD/W in 2006 from 2.15USD/W in 2005. and 2.38 USD/W in 2007H1,we estimate the trend will continue in 2007H2 and the ASP of 2007 will reach 2.40USD/W.
About the supply and demand, the shortage of wafer is 16MW in 2005,140 MW in 2006,and will expand to 180MW in 2007,according 《2007 China solar grade wafer or ingot industry research report forecast,2008 and the coming years will continue short of wafer. However, Solar cell module price will continue decrease in the coming years, so that will bring some price Decrease(not large) of wafer.
As the continue shortage of wafer and great increase of downstream demand,more and more investor enter wafer industry and the wafer manufacture also expand their capacity rapidly, Though capacity expanding is easy, wafer shipment increase is not easy as the continue shortage of polysilicon.
2006 solar multi crystal silicon wafer shipment was 110MW, while single crystal silicon wafer shipment was more than 280MW, single crystal silicon wafer is a lot more than multi crystal silicon wafer shipment,it is great different than then the international situation as multi crystal silicon wafer shipment almost twice of single crystal silicon wafer shipment. China local single crystal silicon wafer was 2.7times of multi crystal silicon wafer shipment. The most important reason of this situation is single crystal silicon wafer is easy manufacture than multi crystal silicon wafer as the key equipment pulling machine is easy bought in China with a low cost while multi crystal DSS furnace only can buy from oversea market with a high cost..but this situation will change in 2012, according 《2007 China solar grade wafer or ingot industry research report forecast,2012 China local multi crystal silicon wafer shipment will be 1.5 times of single crystal silicon wafer shipment,the change mainly due to some very large multi crystal wafer projects and downstream clients demand as multi crystal silicon wafer is cheap and good
enough.
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