| 摘要 |
PROBLEM TO BE SOLVED: To realize a contract change, which has been impossible in patent literature 1, the contract change taking into consideration an amount available for supply (distribution) by a retailer per unit of time, when realizing a power supply contract of a user at a certain unit of time from a plurality of retailers.SOLUTION: An energy company switching system for switching an energy supply from a plurality of retailers includes a server that manages power supply plans in a specific time zone respectively provided by the plurality of retailers, with association of a user and a supply from a retailer.SELECTED DRAWING: Figure 1 |
