Ukukhanyisa kwelanga kuhambisana kakhulu nemvelo ngoba zisebenzisa umthombo wamandla ovuselelekayo - amandla elanga ukukhiqiza ukukhanya. Lokhu kunciphisa ukuncika emithonjeni yamandla evamile futhi kunciphisa ukukhishwa kwamagesi abamba ukushisa. Izibani zelanga nazo zinomthelela omkhulu ezindaweni eziqhelile noma ezingekho kugridi lapho ukunikezwa kukagesi kunomkhawulo noma kungathembeki khona. Banikeza isisombululo sokukhanyisa esithembekile nesimeme ngaphandle kokutshalwa kwezimali kwengqalasizinda ebizayo. Okwesibili, ukukhanya kwelanga ngaphandle kokukhanya kwe-eve kuyabiza ngokuhamba kwesikhathi. Nakuba ukutshalwa kwezimali kokuqala kungase kube phezulu, kudinga ukulungiswa okuncane kakhulu futhi azikho izindleko zamandla eziphindaphindiwe ngoba zithembele ngokuphelele emandleni elanga. Ngokuhamba kwesikhathi, lokhu kubangela ukonga okukhulu, okwenza izibani zelanga zibe yinketho ephumelelayo ngokwezomnotho. Okwesithathu, ukufakwa kwezibani zelanga kuyaguquguquka. Zingafakwa kalula ezinhlobonhloboizibani ezikhanyayo ngaphandlengaphandle kwezintambo eziyinkimbinkimbi noma ukuxhumana. Lokhu kuvumela ukuthunyelwa ngokushesha futhi kuvumela izixazululo zokukhanyisa ezindaweni lapho ingqalasizinda yokukhanyisa yendabuko ingenakwenzeka. Ngaphezu kwalokho,ukuhwalala kuze kuse kwaholela ukukhanya kwangaphandleukwandisa ukuphepha futhi uvimbele izingozi nobugebengu ngokukhanyisa izindawo ezimnyama njengemigwaqo, amapaki, nezindawo zokuhlala. Sengiphetha, solarkwaholela ukuhwalala ekukhanyeni kokusa kwangaphandlezibaluleke kakhulu emphakathini wanamuhla, zineqhaza ekuvikelweni kwemvelo, zihlinzeka ngendlela engabizi kakhulu, ukuzifaka kalula kanye nokuthuthukisa ukuphepha. U-Lhotse uzibophezele ekukhuthazeni indlela yokuphila eluhlaza, evumelanayo kanye nekhabhoni ephansi, nokudala indawo yokukhanyisa yezinga eliphezulu yomhlaba wonke, ekhanyisela wonke umuntu nsuku zonke!