Isistimu sokuguqula umoya yomkhaya yilithi elikhulu elisiza ukuphatha umoya emakhayeni ethu. Iyaguqula umoya wokugcina (DC) kusuka kwe-batteries noma kwe-solar panels ku-umoya wokubuyela (AC), okufanele kakhulu emakhayeni ukusebenzisa izinkampani. Bheka isistimu sokuguqula umoya njenge-mthuli, esinika ukuthi umoya usuka kwezindawo zokuthintana kwamandla njenge-solari akwazi ukusebenzisa i-TV yakho, i-fridge noma amalight. U-Minvon uyadlala indima enkulu ekubeni izistimu zokuguqula umoya ziyasebenza kahle futhi ziyasinda umkhaya wakho ngokucophelela, nakuba kunezinkinga zokuthintana kwamandla. Futhi nge-sistimu sokuguqula umoya, ungakhiphe amaphawu ekhaya ngokuthintana kwamandla futhi ungasebenzisa izindlela zokuthintana kwamandla ezinconywa ukuthi zingabona umhlaba.
Isiqondiso sesikhumba sisebenza ngamaphuzu amaningi. Okokuqala, kukho ibhayithari ekugcina umthelela, kungakhathalela kusuka kwezinkampani zokuphatha umthelela noma kusuka kumkhumbi wokusebenza. Isiqondiso yisiphumo esisodwa, esibuyisela umthelela wesikhumba (DC) ku-AC. Ngalesi sihlobo, usebenzisa umthelela wonke kubizikho bezikhumba zakho. Uma sibonile isibandle, izinkampani zokuphatha umthelela zibeka umthelela futhi zithumela kubhayithari. Uma ibhayithari ibe yilapho, umthelela omusha ungathumela emkhumbini noma ukusebenzisa ngoku kubizikho.