| 摘要 |
PROBLEM TO BE SOLVED: To enable an operator to grasp the estimation timing of an estimated value of an integrated value at a glance.SOLUTION: The demand monitoring device includes integrated value estimation means 3 that estimates an integrated value of use power amount after a predetermined time from a use power amount Wt read by use power amount reading means 1 and an integrated value &Sgr;W calculated by integrated value calculation means 2. Estimated integrated value display means 5 displays an estimated value &Sgr;Woutput from the integrated value estimation means 3 at the time that an integrated value is estimated by the integrated value estimation means 3. |
