CONTROL DEVICE FOR VIRTUAL POWER PLANT

A control device for a virtual power plant that adjusts balance between supply and demand of electric power in a transmission and distribution network by controlling charging and discharging operations of storage batteries mounted on vehicles, includes: an estimation unit configured to estimate, based on past action patterns of the vehicles, possibilities of participation of the vehicles in the virtual power plant when a charging and discharging operation is requested; and a control unit configured to control charging and discharging operations of the storage batteries mounted on the vehicles based on the estimation result of the estimation unit.