This article, in view of disadvantages of the project management of current electric power enterprise, in reference to the relevant literature, investigates the management mode of existing electric power enterprise and then makes analyses and summaries, and puts forward improvement from organization, responsibility, business area and comprehensive evaluation according to the actual situation of the given project department management mode, strengthens the project management level and achieves positive results. The application is proved in practical. Through using the project management mode on the construction of JIADING Power Supply company's HUISHAN 110 kV substation, expounds the important role of the project owner in 110 kV substation construction by researching data, tracking and analyzing.