| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a device capable of estimating a selling amount and a gross profit on the basis of a daily delivery amount of utility when the selling amount of the utility for each customer is established every time by periodically executed meter reading. <P>SOLUTION: A selling amount estimation device 1 of this invention comprises a load survey database 22 storing measurement results of utility usage in every unit time of a specific customer, a meter reading database 23 storing meter reading results, and a selling total amount database 24 storing the daily supply total amount of the utility, and a daily supply amount estimation part 11 refers to the load survey database 22 and proportionally distributes the daily supply total amount to daily supply amounts for respective meter reading groups and for respective charge kinds. By totaling the proportionally distributed daily supply amounts, a half-decided selling amount to the day before an estimation day is calculated, and an undecided selling amount from the estimation day to a meter reading day is estimated using results of past load surveys. <P>COPYRIGHT: (C)2013,JPO&INPIT |
