| Grid Tie Inverter 2000W+ Weekly Retailer Price | | Brand | High | Low | Average | AvgChg | AvgChg% | | All Brands | 0.900 | 0.390 | 0.526 |  -0.001 | -0.19% | | Unit: US$ / Watt | Last Update: 2012-02-20 |
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| Grid-Tie Solar System Weekly Retailer Price | | Brand | High | Low | Average | AvgChg | AvgChg% | | All Brands | 3.904 | 1.968 | 2.944 |  0 | 0% | | Unit: US$ / Watt | Last Update: 2012-02-20 |
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| Solar Panel / Solar Module 120W+ Weekly Retailer Price | | Brand | High | Low | Average | AvgChg | AvgChg% | | All Brands | 3.480 | 1.000 | 1.663 |  0.001 | 0.06% | | Unit: US$ / Watt | Last Update: 2012-02-20 |
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| Solar Module Retailer Prices are updated on Monday.
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| Solar System and Inverter Retailer Prices are updated on Friday.
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