Electricity demand identification method for large electric power customers

The invention, which relates to the technical field of the power service, discloses a power demand identification method for a large power customer, comprising the following steps: data acquisition: collecting power consumption characteristics and basic information of a to-be-identified large customer, the power consumption characteristics comprising a peak electric quantity F, a valley electric quantity D, an average electric quantity P, an electric quantity fluctuation ratio B, a power consumption ratio R and a load rate L, and the basic information of the to-be-identified large customer being the peak electric quantity F, the valley electric quantity D, the average electric quantity P, the electric quantity fluctuation ratio B, the power consumption ratio R and the load rate L; the method comprises the following steps: collecting a plurality of electricity utilization characteristics, carrying out cleaning, data analysis and hierarchical classification on the collected data, calculating an electric power m