| Grid Tie Inverter 2000W+ Weekly Retailer Price | | Brand | High | Low | Average | AvgChg | AvgChg% | | All Brands | 0.900 | 0.384 | 0.516 |  0 | 0% | | Unit: US$ / Watt | Last Update: 2012-05-14 |
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| Grid-Tie Solar System Weekly Retailer Price | | Brand | High | Low | Average | AvgChg | AvgChg% | | All Brands | 3.904 | 2.165 | 2.986 | 0 | 0% | | Unit: US$ / Watt | Last Update: 2012-05-14 |
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| Solar Panel / Solar Module 120W+ Weekly Retailer Price | | Brand | High | Low | Average | AvgChg | AvgChg% | | All Brands | 2.450 | 0.830 | 1.406 |  -0.001 | -0.07% | | Unit: US$ / Watt | Last Update: 2012-05-14 |
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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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