ELECTRIC POWER SERVICE CONDITION DISPLAY UNIT, ELECTRIC POWER SERVICE CONDITION DISPLAY METHOD AND INTERPHONE

PROBLEM TO BE SOLVED: To provide an electric power service condition display unit, electric power service condition display method and an interphone suitable for effectively promoting energy saving for an ordinary home electric power consumer. SOLUTION: The electric power service condition display unit 10 is provided with the operation part 12 for operating for performing various operations on the basis of the electric power consumption measured by the electric power sensor 21 set up in the distribution switchboard 20 and the display part 14 connected with the operation part 12. The operation part 12 calculates the electric power consumption for every prescribed time for the day and the mean electric power consumption for past several days for every prescribed time. The 1st bar graph representing the mean electric power consumption for every prescribed time for the past several days and the 2nd bar graph representing the measured electric power consumed for the day are prepared on the basis of the electric power consumption, and both the 1st bar graph and the 2nd bar graph are displayed parallel on the display part 14. COPYRIGHT: (C)2006,JPO&NCIPI