| 摘要 |
PURPOSE: An energy management system, an energy management apparatus, and an energy management method are provided to understand an energy usage amount per unit time and operation time of an energy using device, thereby estimating energy charges of the individual energy using device within a reasonable range. CONSTITUTION: An energy management system comprises a sensing device(21), a storage device(22), a measuring device(23), and an estimating device(24). One or more among the sensing device, storage device, measuring device, and estimating device are arranged in the same apparatus as one body. The roles of the sensing device, storage device, measuring device, and estimating device are able to be performed in a smart meter(13). An energy control device(25) controlling energy using devices(16-1~16-k) is additionally included in the energy management system according to an estimation result of the estimating device.
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