A power supply system includes one or more power transmitters and one or more power receivers: the one or more transmitters transmitting identification information and a power transmitting condition to the one or more receivers, receiving identification information and a power receiving condition from the one or more receivers, wirelessly transmitting power to the one or more receivers on the basis of the power transmitting and receiving conditions, and generating power transmission amount information indicating the amount of the transmitted power; the one or more receivers receiving identification information and a power transmitting condition from the one or more transmitters, transmitting identification information and a power receiving condition to the one or more transmitters, wirelessly receiving power from the one or more transmitters on the basis of the power transmitting and receiving conditions, generating power reception amount information, and transmitting the identification information and the power reception amount information.