CONTROL APPARATUS, METHOD AND COMPUTER READABLE STORAGE MEDIUM

A control apparatus configured to: store a guaranteed value of a parameter indicating usage of a power storage system including a battery included in a mobile object at a predetermined time point in the future; calculate a value of the parameter due to travelling that is a value of the parameter at the predetermined time point due to travelling of the mobile object; calculate, based on difference values obtained by subtracting the value of the parameter due to travelling from the guaranteed values, a usable remaining usable amount of the battery for operations other than the travelling of the mobile object until the predetermined time point; and control, based on the remaining usable amount, to conduct power transmission and reception between outside of the mobile object and the battery.