Patent ID: 7478070
Filing Date: 2009-01-13
Classification: G06Q,H02J,Y04S

Abstract:
1. An electric power supply control system for purchasing electric power from a plurality of electric-power suppliers and distributing purchased electric power to any arbitrary number of customers, said system comprising: an electric-power-purchase determining apparatus for selecting some of said electric-power suppliers, determining amounts of electric power to be purchased from said selected electric-power suppliers in accordance with a predetermined rule, and ordering electric power of the determined amount from said selected electric-power suppliers to purchase the electric power, wherein said electric-power-purchase determining apparatus determines an electric-power-quality quantitative index showing a quality of electric power received by said customers for each of said customers and determines the amount of electric power to be purchased in a range wherein a quality of electric power individually determined in advance for each of said customers can be sustained as indicated by said electric-power-quality quantitative index; an electric-power storage apparatus for storing electric power; and a demand control apparatus for transmitting electric power obtained by synthesizing the purchased electric power with electric power generated or absorbed by said electric-power storage apparatus to said customers.