The traditional power systems comprise of the generation system which consists of huge central power stations, the transmission and sub-transmission systems to deliver power from remote generating plants to the location near load centres, and therefore the distribution system to serve all end users like residential, commercial and industrial loads. the facility flow is hence, unidirectional, that is, from generation to the load centres. With the ever-increasing demand of electricity that has been raising important power grid operational issues like voltage and frequency instability, the mixing of distributed energy resources into the fashionable power systems became very fashionable since previous couple of decades. The fast depletion of fuel reserves and environmental concerns have provided greater incentive to integrate renewable energy-based Distribution Energy Resources (DER) like solar, wind and biomass in modern power systems. DERs are usually connected to the facility distribution system. during this paper, we evaluate different techniques of power control for PV systems, and evaluate the simplest techniques which will be used for an equivalent purpose.