http://www.renewableenergyworld.com/rea/news/story?id=54380The cost of photovoltaic electricity is due to plummet in 2009, according to a new analysis by New Energy Finance. Its latest "Silicon and Wafer Price Index" shows average silicon contract prices falling by more than 30% in 2009, compared with 2008.
The report shows an average perceived spot market price of solar-grade silicon during October and November of US $332/kg. The weighted average price for polysilicon for delivery in 2009 under contracts signed in 2007 and 2008 was US $113/kg, compared with US $165/kg for silicon for delivery in 2008, a reduction of 31.5%.
At the 2008 contracted silicon price of US $165/kg, silicon contributes an estimated US $1.52/W to the current crystalline silicon module price of around US $4/watt – or just under 40%. A silicon cost reduction to US $113/kg in 2009 would therefore lower module prices for the majority of the market volume that uses contracted silicon by 12%. The silicon purchased on the spot market, though currently at much higher prices, could see even more precipitous falls.
Furthermore, with thin-film PV module manufacturing costs approaching the US $1/watt mark, crystalline silicon-based PV will come under severe competition for larger projects, resulting in margins shrinking throughout the silicon value chain, the company argues. New Energy Finance forecasts that production of thin-film photovoltaic modules will more than quadruple to 1.9 GW in 2009, and thin-film technology will be competitive with crystalline silicon photovoltaic in larger space-constrained applications, such as commercial rooftops and smaller on-grid projects.
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