The invention discloses a dynamic modeling and optimal control method of electric energy statics on the basis of power grid topology. Two big platforms, i.e. a power grid GIS (Geographic Information Service) platform and an electric energy metering system, are depended, a statistic body is taken as an object (such as a power generation enterprise and a provincial city), and the statistic body is surrounded as a center to look for the information of n switchgears, which are connected with a power grid system, of the statistic body, and a gateway metering device arranged on each switchgear through a power grid topology structure and data information to realize the dynamic modeling of the electric energy of the statistic body. The automation level of the electric energy statics is further improved, and the electric energy statics and modeling workload of a provincial power grid even a larger-scale power grid can be greatly lowered. Meanwhile, the real-time measurement data of a gateway is obtained to realize the electric energy real-time calculation by aiming at the statistic body, and a reliable method is provided for electricity purchasing and selling business data indexes.