4328 / 5128
A series od solar panels on the roof of an apartment
alternativebatterybuildingcellcleancollectorconductorsconservationecoecologicalecologyeconomyelectricelectricalelectricityenergyenvironmentenvironmentalexteriorfreefriendlyfuelgenerationgeneratorgreenheathomehouseinnovationinnovativenaturalpanelphotocellpowerrecyclingreflectionrenewableroofsciencesolarsourcestationsunsunlightsupplysustainablesystemtechnologythermalvoltaic2010panels20455