A number of social enterprises across the world are helping the poor, rural people of the world who live without electric lights access lighting through solar lamps and solar home systems. Two of these listed in this post are Bangalore, India based SELCO, and d.light. While both help the poor access these lights at low prices and through microcredit support, SELCO has built an ecosystem that lets many of the rural residents, who do not have a bank account, access loans through India’s rural banking system, thereby giving them formal identities – a powerful tool for the poor. Read more here.