A power control apparatus 10 to supply power, which can be packet transmitted/received, having predetermined identification information in a header part, to a plurality power consumption apparatuses 70 from outside includes (a) an identification information separation apparatus 20 for receiving the identification information and separating it, (b) a power reception propriety determination apparatus 30 for determining whether to receive the power based on the separated identification information, and (c) a power supply control apparatus 40 for controlling the power supply to the power consumption apparatus 70 connected to a power control apparatus based on the separated identification information.