Based on backwardness of Electricity metering method, with a lot of manpower material resources in Wutongzhuang Mine, combined with electric energy metering requirements, new mine  electric energy metering was designed and its function was introduced. The practice showed that the new electric energy metering system compensated the backwards of real time, accuracy and applicability etc., and could master underground devices of all kinds of electricity consumption, make mines carry out the policy of energy conservation and emissions reduction, realize detailed management.