A photovoltaic power generation system is discussed. The photovoltaic power generation system includes a solar cell module including a plurality of solar cell groups divided into groupings of the plurality of solar cell groups, each of the plurality of solar cell groups including at least one of one solar cell row which a plurality of solar cells are electrically connected, and a plurality of signal control units connected to the plurality of solar cell groups, respectively, wherein the each of the plurality of signal control units track a maximum power based on the current and the voltage output from each of the plurality of solar cell groups and outputs the maximum power.