i'm a solar energy engineer more than 2 years of experience in the field of designing and installing PV systems, graduated from faculty of engineering Cairo University Electrical Power and Machines Department, then i started working in this field, i have a very good experience in designing PV systems manually and using software -i have an access to an educational license of PVSyst software during weekdays- also i have w very good experience in Sketching PV systems using Sketchup and perform the shading analysis, also with the AutoCAD software in drawing layouts, SLD, Shop Drawings and As-Built.