The present description relates to an apparatus for transmitting wireless power and a method for same, comprising: a power transmission control portion for generating a packet comprising data for at least one electronic device; a modulation/demodulation portion for modulating a carrier signal so as to comprise the packet that is generated; and a power conversion portion for forming the wireless power signal for transmitting power, based on the carrier signal that is modulated, wherein the power transmission control portion transmits the packet to the at least one electronic device through the wireless power signal. Also, the present description relates to the electronic device and a method for receiving power by same, comprising: a power reception portion for receiving the wireless power signal from the apparatus for transmitting wireless power; a modulation/demodulation portion for demodulating the packet which is comprised in the wireless power signal; and a power reception control portion for obtaining data based on the packet that is demodulated.