This paper proposes a chart-model consistency bidirectional calibration method for Energy management system (EMS). The proposed method includes the topology graph topology to model forward calibration and by reverse calibration model topology to graphic topology. Due to the existing calibration methods are all model-based or graph-driven calibration methods, most of which are one-way calibration processes, and the calibration accuracy of the graph-to-module conversion cannot be guaranteed. Thus, this paper proposes a bidirectional calibration method for EMS to eliminate those shortcomings above. Finally, simulation study is carried out on a power grid with its data from the EMS, to prove that the proposed method can effectively reduce the calibration error and improve the validity and reliability of EMS data.