GAS DEMAND ESTIMATION SYSTEM AND GAS DEMAND ESTIMATION METHOD

摘要

A delivery server comprises: a reception unit configuredto receive sets of meter indication data of a plurality of gasmeters; a storage device configured to store the respective setsof meter indication data; a gas usage calculating unitconfigured to calculate a gas usage on a basis of comparisonbetween corresponding sets of meter indication data; a firstrate-of-change calculating unit configured to calculate a rateof change in a past gas usage consumed in each of a pluralityof supply facilities on a basis of comparison between aplurality of gas usages in a time of earlier than a meterindication date of the received sets of meter indication databy a predetermined period of time; and a prediction unitconfigured to modify the gas usage in accordance with the rateof change and predict the modified gas usage as a prospectivegas usage to be consumed.