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Average Energy Conversion Efficiency of Photovoltaic Cells and Modules                                        
Table 3.8     xls   pdf   format     Solar Photovoltaic Cell/Module Annual Report

Table 3.8 Average Energy Conversion Efficiency of Photovoltaic Cells and Modules Shipped in 2007
(Percent of Energy Converted)
Year Crystalline Silicon Thin-Film Silicon Concentrator Silicon Other
Single Crystal Cast Ribbon Amorphous Silicon Other
2007 17 14 12 8 12 35 -
- = No data reported.
Note: Totals may not equal sum of components due to independent rounding.
Source: Energy Information Administration, Form EIA-63B, "Annual Photovoltaic Module/Cell Manufacturers Survey."