How Solar Energy Will Help Alleviate 21st Century Energy Poverty

According to the World Health Organization, 1.1 billion people do not have access to electricity while 3 billion people use solid fuels such as wood, charcoal, coal, and dung for cooking and heating.
... in coming decades, experts see solar energy becoming the cheapest source of energy in nearly all markets and locations because photovoltaic panels don’t need to be connected to the world’s rapidly aging and fragile electricity grid in order to provide electricity to end-users.

http://www.industrytap.com/solar-energy-will-help-alleviate-21st-century-energy-poverty/41833