O elemene lagolago PV fa'ata'ita'iina o vaega na mua'i faia ma fa'ata'amilo pupuu.E mafua ona i le taimi o le gaosiga o mea na faia muamua, o le pulea lelei ma le faʻataʻitaʻiga e faia ina ia mautinoa le lelei ma le faʻamaoni o vaega taʻitasi.E le gata i lea, o le gaosiga o mea faʻapitoa photovoltaic o loʻo faʻatinoina i luga o laina faʻapipiʻi otometi, ma faʻaleleia atili ai le gaosiga lelei.