Server and power management system

A server usable in a power management system including a plurality of power storages, each of the plurality of power storages carrying out at least one of external charging and external power feed, the external charging being charging of the power storage with electric power supplied from outside, the external power feed being supply of electric power from the power storage to outside, the plurality of power storages being mounted on a plurality of mobile bodies, respectively, the server comprising:

• a selector that selects at least one of the plurality of power storages;
• a scheduler that makes a schedule for the selected power storage;
• and
• a request processor that requests a user of the selected power storage to promote the external charging, suppress the external charging, or carry out the external power feed in accordance with the made schedule, wherein
• the server
• obtains information on at least one of long-distance travel capability, charging capability, a current position, a next travel distance, next departure time, a next travel route, and remaining energy for traveling for each mobile body, and
• carries out at least one of selection of the power storage and making of the schedule in accordance with a type of a request based on the obtained information.