On-board unit and electric vehicle management system

A charge management system comprising:

• a vehicle including a rechargeable battery;
• a controlling center for managing a charging activity of said vehicle, wherein the controlling center is configured to:
• generate and store a charge scheduled related to an electric energy for charging said vehicle within a range of total electric energy to be capable to charge said vehicle,
• store an identification number associated with said vehicle,
• determine a propriety of charging said vehicle at a current time and location based on said charge schedule in response to receipt of a signal indicating a start of a charging process of the rechargeable battery of said vehicle having said identification number;
• and
• a charge facility for supplying electric power to said vehicle, wherein the charge facility is configured to start or stop a charging operation for said rechargeable battery of said vehicle based on said charge schedule.

A charge operation method for a charge facility for supplying electric power to a vehicle including a rechargeable battery, the method comprising:

• transmitting, by the charge facility, an identification number of said vehicle to a controlling center in response to detecting of a request signal for start of charging of said rechargeable battery of said vehicle;
• receiving, by the charge facility, a charging propriety signal for said vehicle, which is determined by the controlling center, based on the identification number information associated with said vehicle and a charge schedule related to an amount of suppliable electric power for charging said vehicle located in a region, the charge schedule is generated by the controlling center;
• and
• starting or stopping, by the charge facility, a charging operation for said vehicle based on said charging propriety signal and said charge schedule.