To provide a plane antenna for receiving satellite broadcast which employs a flat solar battery whose manufacture is easy and has no loss by the solar battery.

A plane antenna for a satellite broadcast reception system provided with an antenna receiving a radio wavelength from a broadcast satellite, an outdoor equipment that converts a high frequency signal received by the antenna into a signal with a low frequency, and an indoor equipment that receives the signal from the outdoor equipment through a coaxial cable and converts the signal into a signal reproduced by a monitor, is provided with a plane antenna main body 10 acting an equivalent function to that of a parabolic antenna through electric scanning and a solar battery panel 11 that is placed on a flat surface of the plane antenna main body and supplies power to the outdoor equipment.