Patent ID: 7582979

Claim:
An electric power supply system comprising: at least one vehicle capable of generating commercial electric power to supply the generated commercial electric power to the outside of the vehicle; at least one connection apparatus provided correspondingly to said at least one vehicle and connecting said at least one vehicle to a commercial electric power system; and a management apparatus managing electric power generation by said at least one vehicle connected to said commercial electric power system, wherein said at least one vehicle each includes: an electric power generation apparatus generating electric power from an energy source that is fuel; an electric power generation unit generating, according to a given command, said commercial electric power by using the electric power generated by said electric power generation apparatus; a communication apparatus communicating with said management apparatus; and a control apparatus outputting to said communication apparatus a command for instructing to transmit information concerning the vehicle to said management apparatus and, according to a request from said management apparatus that is received via said communication apparatus, providing to said electric power generation unit a command for instructing to generate said commercial electric power, said information includes a remaining amount of fuel of said electric power generation apparatus, and when the remaining amount of fuel included in said information becomes equal to or smaller than a predetermined amount, the remaining amount of fuel being included in said information received from the vehicle connected to said commercial electric power system, said management apparatus transmits to the vehicle a command for instructing to stop the generation of said commercial electric power.