1. Ikoranabuhanga rya PWM rirakuze cyane, ukoresheje uruziga rworoshye kandi rwizewe, kandi rufite igiciro gito, ariko igipimo cyo gukoresha ibice kiri hasi, muri rusange hafi 80%.Mu turere tumwe na tumwe tutagira amashanyarazi (nk'ahantu h'imisozi, ibihugu bimwe na bimwe byo muri Afurika) kugirango bikemure ibikenerwa byo gucana hamwe na off-grid ...
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