The invention provides a customer analysis grouping method based on a customer energy value index system. Based on existing internal data (such as marketing, metering and production data), power market transaction rules, industry backgrounds, GDP growth trends and related crawler data (such as enterprise industry and commerce information, bidding and tendering information, listed company financialstatements, industry trend reports and the like) are combined, comprehensive analysis is carried out on power consumers, related algorithm models are designed, classification, grouping and client portraying of existing clients are achieved, precise positioning of high-value clients is achieved, and support is provided for client positioning and precise marketing of comprehensive energy service enterprises.