Grid connected photovoltaic (PV) systems are most encouraging renewable energy solutions available today, as they give tremendous benefits to the end users and the utility network. Distributed PV generation in which sections of PV strings are connected to a common inverter is picking up speed on commercial front as it increases use of available floor space but still faces some technical hinderances like maintaining the DC voltage at common bus bar and design MPPT based of DC-DC converter during uncertainties of weather conditions. In this paper the load pattern and solar irradiations of an academic institute is considered. The main contribution of this paper is to analyze performance of the current control method used for grid connected inverter. Moreover, two separate configurations of a single 110kW PV system and 65-45kW distributed PV system studied and simulated in MATLAB/SIMULINK environment. It was observed that distributed PV systems give better output than a single PV system.