POWER MANAGEMENT DEVICE, POWER MANAGEMENT SYSTEM, AND POWER MANAGEMENT METHOD

This power management device comprises: a management unit which manages data on the output power that is output from a distributed power source provided in a predetermined facility; a detection unit which detects that a user having the distributed power source is present in a visiting space other than the predetermined facility; and a control unit which when the user is present in the visiting space, executes an accommodation process for accommodating the output power with respect to the visiting space on the basis of the data on the output power. 电力管理装置具有：管理部，管理从设置于规定设施的分散电源输出的输出电力的数据；检测部，检测具有所述分散电源的用户存在于所述规定设施以外的访问空间；以及控制部，在所述用户存在于所述访问空间的情况下，基于所述输出电力的数据，执行将所述输出电力对所述访问空间进行融通的融通处理。