Management device, method, and power management system

A method using a plurality of agent devices and a management device of a power transaction market,

• each of the plurality of agent devices being configured to determine bid conditions for a power buying or selling transaction in the power transaction market, the method comprising:
• receiving a request signal for requesting reception-supply adjustment of a first amount of power from another management device;
• sending an invitation signal for inviting bids in accordance with the request signal to the plurality of agent devices;
• receiving a bid signal showing the bid conditions for a power buying or selling transaction of a second amount of power, smaller than the first amount of power, from at least one or more agent devices that have determined the bid conditions among the plurality of agent devices having received the invitation signal;
• and
• accepting bids by the at least one or more agent devices when acceptance conditions are met.

A power management system comprising:

• a first management device that outputs a request signal requesting reception-supply adjustment of an amount of power;
• a second management device that outputs a first request signal and a second request signal based on the request signal;
• a power adjustment resource;
• a third management device that adjusts power of the power adjustment resource based on the first request signal output from the second management device;
• a fourth management device of a power transaction market;
• and
• a plurality of agent devices, wherein:
• the second request signal is a signal for requesting reception-supply adjustment of a first amount of power;
• each of the plurality of agent devices determines bid conditions for a power buying or selling transaction in the power transaction market;
• and
• the fourth management device is configured to:
• send an invitation signal for inviting bids in accordance with the second request signal to the plurality of agent devices;
• receive a bid signal showing the bid conditions for a power buying or selling transaction of a second amount of power, smaller than the first amount of power, from at least one or more agent devices that have determined the bid conditions among the plurality of agent devices having received the invitation signal;
• and
• accept bids by the at least one or more agent devices when acceptance conditions are met.