| 摘要 |
According to the present invention, a first comparison period specification unit (134a) specifies a first period to be compared which is a pre-introduction period before energy saving control is introduced. A second comparison period specification unit (134b) specifies, as a second period to be compared, a candidate period to be compared for which the similarity between a parameter in a first parameter comparison period, which includes the first comparison period and a first period which is immediately before or immediately after the first comparison period, and a parameter in a second parameter comparison period, which includes a candidate period to be compared and a second period which is immediately before or immediately after the candidate period to be compared, is highest. An energy saving diagnosis unit (135) diagnoses, on the basis of the power consumption amount in the first period to be compared and the power consumption amount in the second period to be compared, the degree of energy saving obtained by introducing energy saving control. |
