| 摘要 |
<p>A delivery server including: a reception unit that receives indicator data for a gas meter; a storage device that stores each piece of indicator data; a gas usage volume calculation unit that calculates gas usage volumes on the basis of a comparison of each piece of indicator data; a first change rate calculation unit that calculates change rates for gas usage volumes used in the past for each supply equipment on the basis of a comparison of the plurality of gas usage volumes during a prescribed period prior to the indicator date for the indicator data; and a prediction unit that changes the gas usage volumes in accordance with the change rates, and predicts, as the future gas usage volume, the gas usage volume after the change.</p> |
