For a comparative analysis of the generation performance of Hapcheon floating PV system, the system was compared with a 1MW overland PV system installed in Haman-gun. Haman was chosen as the comparison target as the Haman 1MW overland PV system is installed 60 kilometers southeast from Hapcheon, where the solar radiation and temperature is similar, and also has similar date of installation (2012). Haman 1MW overland PV system forms a fixed 30° tilt and its installed capacity is 935.9MW, while composed of 4,000 250W modules