Power management device, power management system, power management method, and control program

A power management method for managing power consumption in a building of a power customer, the power management method comprising:

• acquiring power consumption information indicating the power consumption in the building;
• storing history information including at least the acquired power consumption information, and time information indicating a time frame in which power according to the power consumption information has been consumed in the building, the power consumption information and the time information being associated with each other in the history information;
• receiving a request based on power supply and demand;
• determining, when having received the request, ease or difficulty in management of the power consumption according to the request, on the basis of the history information, and power-management-required time frame information indicating a time frame for which power management according to the request is required;
• notifying the power customer of a determination result;
• receiving acceptance or rejection of the request;
• and
• transmitting response information corresponding to a received content, to a request source.

A non-transitory computer readable medium comprising a control program for causing a computer configured to manage power consumption in a building of a power customer, to operate and perform the processes of:

• acquiring power consumption information indicating the power consumption in the building;
• storing history information including at least the acquired power consumption information, and time information indicating a time frame in which power according to the power consumption information has been consumed in the building, the power consumption information and the time information being associated with each other in the history information;
• receiving a request based on power supply and demand;
• determining, when having received the request, ease or difficulty in management of the power consumption according to the request, on the basis of the history information, and power-management-required time frame information indicating a time frame for which power management according to the request is required;
• notifying the power customer of a determination result;
• receiving acceptance or rejection of the request;
• and
• transmitting response information corresponding to a received content, to a request source.