What is the energy payback for PV?
Energy paybacks for rooftop systems range from 1 to 4 years, depending on the system. Keywords: DOE/GO-102004-1847; NREL/FS-840-35489; January 2004; PV; FAQ; frequently asked questions; photovoltaics; solar energy; CO2; energy payback; payback; pay back energy Created Date: 20040209152733Z