A power receiving device comprising: a connecting unit that is connected to a power line through which power is transmitted; a determining unit that determines whether transmitted power incurs a charge, based on power identification information indicating whether the transmitted power incurs a charge; a notification control unit that performs notification based on a determination result; and a communication unit that performs communication with an external connection device that is connected by wire with the power line via the connecting unit, wherein the determining unit performs determination based on the power identification information that is transmitted from the external connection device, wherein the communication unit comprises: a power line communication unit that incorporates the determining unit and the notification control unit, and that performs communication with the external connection device through the power line by performing a load modulation based on a signal that is transmitted from the external connection device; and a communication filter that is connected between the power line communication unit and the power line, blocks at least a signal of a frequency of the power, and does not block a high-frequency signal that has a frequency higher than the frequency of the power and is used for the communication. a connecting unit that is connected to a power line through which power is transmitted; a determining unit that determines whether transmitted power incurs a charge, based on power identification information indicating whether the transmitted power incurs a charge; a notification control unit that performs notification based on a determination result; and a communication unit that performs communication with an external connection device that is connected by wire with the power line via the connecting unit, wherein the determining unit performs determination based on the power identification information that is transmitted from the external connection device, wherein the communication unit comprises: a power line communication unit that incorporates the determining unit and the notification control unit, and that performs communication with the external connection device through the power line by performing a load modulation based on a signal that is transmitted from the external connection device; and a communication filter that is connected between the power line communication unit and the power line, blocks at least a signal of a frequency of the power, and does not block a high-frequency signal that has a frequency higher than the frequency of the power and is used for the communication. a power line communication unit that incorporates the determining unit and the notification control unit, and that performs communication with the external connection device through the power line by performing a load modulation based on a signal that is transmitted from the external connection device; and a communication filter that is connected between the power line communication unit and the power line, blocks at least a signal of a frequency of the power, and does not block a high-frequency signal that has a frequency higher than the frequency of the power and is used for the communication.