Ko nga Maama Tiri-a-Moana e whakamahi ana i te rauropi o te ra hei kaha, te whakamahi i nga panui solar ki te utu i te pākahiko i te awatea, me te whakamahi i te pākahiko ki te tuku hiko ki te puna marama LED i te po, kaore he uaua me te utu nui o te whakatakoto paipa, ka taea te whakatakotoranga o nga rama. ka whakatika noa, he haumaru, he penapena hiko me te kore parahanga, kaore he mahi a-ringa e hiahiatia ana.He pumau, he pono, he whakaora hiko me te kore tiaki.