ELECTRIC POWER MANAGEMENT SYSTEM, AND CONTROL METHOD AND CONTROL PROGRAM FOR THE SAME

PROBLEM TO BE SOLVED: To provide an electric power management system that enables, when information on electric power management for a plurality of electric appliances is to be presented, a user to readily understand and confirm each element of the information.SOLUTION: An electric power management system comprises a display unit, a controller and a memory that stores a plurality of objects, each associated with one or another of multiple prescribed conditions and intended for presenting via the display unit information regarding electric power management for electric appliances. When at least one of the prescribed conditions is satisfied, the corresponding object is displayed; a plurality of objects, when they are to be displayed, are arranged in a plurality of layers in laminated structure, each layer being matched with one or another of the objects; the position of each of the multiple objects differs from one layer to another; and objects of a higher layer are arranged in a position where an outline of information on electric power management for electric appliances of objects arranged in a lower layer can be recognized.