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CHARGING FEE BILLING METHOD, CHARGING FEE BILLING SYSTEM, CHARGING STAND DEVICE, AUTOMOBILE-MOUNTED CHARGING DEVICE

  • US 20120136705A1
  • Filed: 03/16/2011
  • Published: 05/31/2012
  • Est. Priority Date: 03/19/2010
  • Status: Abandoned Application
First Claim
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1. A charging fee billing method comprising:

  • a providing step in which, to an investor having borne costs required for power storage facilities that are connected to a commercial power system, store electric power supplied from the commercial power system and supply the stored electric power to the commercial power system, preferential information on preferential right is created by which a discount for electricity fees involved in charging of a storage battery mounted on an electric automobile for use by the investor can be received, and a preferential information recording medium that stores the created preferential information is given;

    an acquisition step in which, upon charging the electric automobile equipped with the preferential information recording medium by a charging stand device which receives power supply from the commercial power system, the preferential information is acquired from the preferential information recording medium; and

    a billing step in which, based on the preferential information acquired from the preferential information recording medium in the acquisition step, a charging fee is billed which is an electricity fee involved in charging of the electric automobile by the charging stand device to which a preferential rate is applied.

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