%0 Report %K Energy Markets and Policy Department %K Energy Analysis and Environmental Impacts Division %K Photovoltaics (PV) %K Distributed Energy Resources (DER) %K Energy markets %A Galen L Barbose %A Naïm R Darghouth %A Ryan H Wiser %A Joachim Seel %C Berkeley %D 2011 %I LBNL %P 61 %T Tracking the Sun IV An Historical Summary of the Installed Cost of Photovoltaics in the United States from 1998 to 2010 %2 LBNL-5047E %8 09/2011