Abstract: An identification system for power consumption of electric appliance has multiple electric appliances, each electric appliance having a dedicated identification transmission circuit connected to a power-connecting loop; multiple power sockets mounted within a power supply region, each power socket having at least one identification receiver for receiving identification transmission signals from the corresponding electric appliance and obtaining a corresponding identification code; multiple energy management units respectively mounted in the power sockets to connect with the corresponding identification receivers, recognize the respective electric appliances by determining the identification codes, and record power consumption information of the corresponding electric appliances; and an energy management server connected to the energy management units and the identification receivers to communicate therewith in a wired or wireless manner.