A management unit including: a demand plan generating unit that obtains control information items related to energy consuming appliances; an obtaining unit that obtains picture data items showing the appliances; a memory which stores the picture data items obtained by the obtaining unit; a selecting unit which selects a picture data item from selection candidates including the picture data items stored in the memory, based on a specified control mode; a processor that executes processing for superimposing the control information items corresponding to the appliances in the picture data item selected by the selecting unit; and an output unit which displays the picture data item with the superimposed control information item.