To set correspondence between a power consumption measurement unit for measuring power consumption of an electrical apparatus and the electrical apparatus connected to the unit with ease.

The power consumption measurement unit for obtaining information on power consumption of an electrical apparatus connected to an apparatus connection section of the unit includes: a power source connection section to be connected to a power source; the apparatus connection section to supply electric power to the electrical apparatus; an input section for inputting information on the electrical apparatus connected to the power consumption measurement unit; and a transmission section for transmitting the information input by the input section and the information on power consumption.