Incremental Distribution Network Planning with Energy Storage

In order to improve the economic performance of incremental distribution network, a model of incremental distribution network planning with energy storage is proposed. The planning model of the distribution network is built from the perspective of distribution network investors. The uncertainty of distributed generation and load in the system is considered with the constrains of power flow balance and operation limits. In the upper level of the proposed planning model, the location and capacity of the energy storage system is optimized to minimize the total investment and operation cost. While in the lower level, the charging and discharging process of energy storage system is scheduled to maximize the operation profit. Finally, the proposed incremental distribution network planning model is verified in a 19-bus distribution system.