People make their way down a dark street in Port-au-Prince, Haiti, recently. Haitian President Michel Martelly's administration hopes to double the number of rural homes with access to power by helping villagers acquire solar-power systems. (Associated Press)

People make their way down a dark street in Port-au-Prince, Haiti, recently. Haitian President Michel Martelly's administration hopes to double the number of rural homes with access to power by helping villagers acquire solar-power systems. (Associated Press)