POWER MANAGEMENT APPARATUS, POWER MANAGEMENT SYSTEM, AND POWER MANAGEMENT METHOD

A power management apparatus includes a management unit configured to manage data of output power output from a distributed power supply provided in a predetermined facility, a detection unit configured to detect that a user having the distributed power supply is present in a visit space other than the predetermined facility, and a control unit configured to perform, when the user is present in the visit space, interchange processing of providing the output power to the visit space based on the data of the output power