A paper on the state of electrical integration in West Africa. (Good footnotes with hot links.)
Some useful background information on the West African Power Pool group. Info from the U.S. government.
Here is a series of discussion papers from the World Bank. This one, Reforming Power Markets in Developing Countries: What have we learned?, provides a good overview on the lack of state reforms in the energy sector. It's long.
Here is the main link to a workshop that took place in Kenya titled "Electricity Access and Development Challenge in Africa." A few outtakes: The role of Energy in Achieving MDGs; A perspective from the African Energy Industry; Energy reform and the poor.
A magazine article on importance of energy to development.