According to one embodiment, an energy consumption management system includes: a movement information creating device; a power consumption amount measuring device; an accumulating device; and a display device. The movement information creating device creates movement information regarding a person in a management target area. The power consumption amount measuring device measures a power consumption amount of an instrument in the management target area. The accumulating device creates management information in which the movement information and a power consumption amount measurement value measured are associated with each other. The display device displays the management information.