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Average Energy Conversion Efficiency of Photovoltaic Cells and Modules Shipped                                        
Table 3.8     xls   pdf   format
Table 3.8 Average Energy Conversion Efficiency of Photovoltaic Cells and Modules Shipped, 2007-2009
(Percent of Energy Converted)
Year Crystalline Silicon Thin-Film Silicon Concentrator
Silicon
Single-Crystal Cast Ribbon Amorphous
Silicon		 Other
2007 17 14 12 8 12 35
2008 19 14 13 8 12 34
2009 20 14 13 8 12 38
Source: U.S. Energy Information Administration, Form EIA-63B, "Annual Photovoltaic Module/Cell Manufacturers Survey."