[[Image:SolarGrid.jpg|thumb|right|200px|Kalalé District consists of 44 villages (~100,000 people), none of which are connected to the town of Benin’s electric power grid. They use solar instead. <br>Photo: [http://www.bobfreling.com/2009/08/solar-energy-powering-food-sec.htm Bob Freling's Solar Blog.]]]
===Acknowledgements===
* [http://www.unicef.org/supply/index_54301.html WASH Technology Information Packages – for UNICEF WASH Programme and Supply Personnel.] UNICEF, 2010.
* Brikke, François, and Bredero, Maarten. [httphttps://www.who.int/water_sanitation_health/hygienepublications/omlinking-technology-choice-with-o-m-in-ws/wsh9241562153en/en Linking technology choice with operation and maintenance in the context of community water supply and sanitation: A reference document for planners and project staff]. World Health Organization and IRC Water and Sanitation Centre. Geneva, Switzerland 2003.