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URL:  https://boards.fool.com/installed-pv-system-costs-in-us-27490917.aspx

Subject:  Installed PV System Costs in U.S. Date:  3/3/2009  7:37 PM
Author:  MFOutlier Number:  16417 of 18806

http://www.sciencedaily.com/releases/2009/02/090219152130.ht...

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Cost Of Installed Solar Photovoltaic Systems Drops Significantly Over The Last Decade
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Costs differ by region and type of system

Other information about differences in costs by region and by installation type emerged from the study. The cost reduction over time was largest for smaller PV systems, such as those used to power individual households. Also, installed costs show significant economies of scale. Systems completed in 2006 or 2007 that were less than two kilowatts in size averaged $9.00 per watt, while systems larger than 750 kilowatts averaged $6.80 per watt.

Installed costs were also found to vary widely across states. Among systems completed in 2006 or 2007 and less than 10 kilowatts, average costs range from a low of $7.60 per watt in Arizona, followed by California and New Jersey, which had average installed costs of $8.10 per watt and $8.40 per watt respectively, to a high of $10.60 per watt in Maryland. Based on these data, and on installed-cost data from the sizable Japanese and German PV markets, the authors suggest that PV costs can be driven lower through sizable deployment programs.

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“Tracking the Sun: The Installed Cost of Photovoltaics in the U.S. from 1998–2007,” by Ryan Wiser, Galen Barbose, and Carla Peterman, may be downloaded as a PDF. The research was supported by funding from the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (Solar Energy Technologies Program) and Office of Electricity Delivery and Energy Reliability (Permitting, Siting and Analysis Division), and by the Clean Energy States Alliance.
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