progress in photovoltaics research and applications 14 179 190 2006 energy pay back life cycle co 2 emissions of the bos an optimized 3 5 mw pv installation jm mason 1 vm fthenakis t hansen hc kim solar campaign 52 columbia street farmingdale ny 11735 e mail cjjmason5 earthlink net eh&s center brookhaven national laboratory bldg 830 upton 11973 email vmf bnl gov tucson electric power po box 711 az 85702 thansen tep com abstract this study is a analysis balance system components p multi crystalline at s springerville field plant instituted innovative program guided by design optimization cost minimization advanced structure incorporated weight modules as element support thereby eliminating need for concrete foundations estimate requirements embodied 542 mj m 71 reduction from those older central corresponding greenhouse gas
