Paper Title
Economic Feasibility Study of Solar Photovoltaic Water Pumping Systemfor Utilizationin Salt Field Area

Abstract
This work presents the feasibility study of solar photovoltaic (PV) systems for electricity generation with utilization for water pumping in salt fields. The advantages of solar PV water pumps are a clean energy and environmentally friendly technology that can help reduce the use or substitute the diesel or electric water pumps, including lower operating costs and reduced greenhouse gas emissions. The economic feasibility study was performed by evaluating the economic indices represented in terms of NPV > 0, IRR > 7.3 %, and PB periods ≤ 7 years and environmental feasibility by evaluating the reduction of GHG emission estimation of the solar PV water pump system utilized in the salt pan in Samut Songkhram Province, Thailand. Results showed the benefit of generation electricity cost from the solar PV water pump system capacity of 710 W by saving power energy of 1,353 units/year and relating the reduced CO2 emission was approximately 657 kgCO2-eq/year. Therefore, the solar PV system has become an economically worthwhile investment energy source for generating power water pumping in a case study of the salt field. Keywords - Economic analysis, Greenhouse gas emission, Photovoltaic, Salt field, Solar water pumping system