%0 Generic %A David Feldman %A Galen L Barbose %A Robert Margolis %A Mark Bolinger %A Donald Chung %A Ran Fu %A Joachim Seel %A Carolyn Davidson %A Ryan H Wiser %D 2015 %I National Renewable Energy Laboratory %T Photovoltaic System Pricing Trends: Historical, Recent, and Near-Term Projections %8 09/2015