Abstract: The paper presents an idea of solar based after pumping system. To fulfill the need of water requirement of an educational institute for different purposes such as drinking, irrigation and other daily requirement the idea is to replace the grid power supply by the solar array system resulting in a huge power saving. The attempts are made to recover the minimum cost of the whole system in minimum years and after that a calculation of revenue is discussed in the work.

Keywords: SPV system, DC driven System, AC driven system, Decentralized Application, Environmental benefit.