Imirasire y'izuba ikoreshwa mu gusimbuza ibikoresho bisanzwe byubaka nko gusiga cyangwa kwambara, mu gihe kandi bitanga amashanyarazi ku rubuga. Mu nyubako z'amagorofa menshi aho usanga igisenge gikunze kuba gito, impande, icyumba cyizuba, igisenge hamwe nigicucu bitanga amahirwe menshi yo kubyara amashanyarazi, bityo iterambere ryizuba ryizuba rigiye kugira uruhare runini mukuzamuka kwa 'micro-generation-urban'. Kimwe no gushimisha ubwiza no guhanga udushya, ikirahuri cyizuba kirashobora kunoza inyungu ziva mubushoramari.

Gukorera mu mucyo biratandukanye kuva 0% (byuzuye) kugeza 80%, hamwe no guhitamo amabara / ubwiza kubitangwa.