For decades, the only accepted idea of electrification was access to the grid implemented by big utilities, served by huge power plants.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/africa-rural-electrification-driven-technology-crowd-investments
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/clean-technica
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rural-electrification
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fossil-fuels
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tanzania
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-energy