An Historical Summary of the Installed Cost of
Photovoltaics in the United States from 1998 to 2010
Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory
Primary Authors: Galen Barbose, Naïm Darghouth, Ryan Wiser, and Joachim Seel
As the deployment of grid-connected solar photovoltaic (PV) systems has increased, so too has the desire to track the installed cost of these systems over time and by location, customer type, system characteristics, and component. This report helps to fill this need by summarizing trends in the installed cost of grid-connected PV systems in the United States from 1998 through 2010, with preliminary data for 2011, and includes, for the first time, installed cost trends for utility-sector PV.
The analysis is based on installed cost data for approximately 116,500 behind-the-meter (i.e.,
residential and commercial) and utility-sector PV systems, totaling 1,685 megawatts (MW) and representing 79% of all grid-connected PV capacity installed in the United States through 2010
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