These systems power water pumps using solar energy rather than fossil fuels or grid power. Solar pumping systems have become a sustainable and efficient way to manage water resources. In Karshi village, Abuja, Nigeria, a large percentage of the population earns their living from agriculture and many small-scale farmers rely on it for their only source of income. Most farmers in. This document gives detailed instruction of all technical topics pertinent to the design and installation of solar powered water systems within the rural water supply context.