Abstract:In December 2021,the National Development and Reform Commission established the power grid enterprise agent purchase system. The in-depth portrait analysis of the power consumption characteristics of industrial and commercial power users under the special system of power purchasing agent will provide theoretical basis for power forecasting, power generation planning and policy system improvement. This paper obtains the annual, monthly and daily electricity consumption data of industrial and regional electrician commercial users in BJ area, as well as the matching meteorological, electricity price, economic and other data. By extracting the internal and external characteristic values of the sample data, the eigenvector matrix is established, and the sample group is analyzed by using the clustering algorithm. And according to the results of the portrait, the actual production work is guided.