To easily change the priority of a demand regulating control for a device in accordance with a simple operation by a consumer.;A demand regulating system includes: an operation unit (0100) that selects from among a plurality of consumption devices (0108), on the basis of priority information and a regulating quantity, a plurality of control-target devices, which are targeted for demand regulating control reducing consumption of the resource, transmitting a first control instruction instructing the demand regulating control to demand side equipment that includes the plurality of control-target devices, and storing results information indicating the first control instruction in a storage unit (0104); a control unit (0107) that executes the demand regulating control on the basis of the first control instruction; and an input unit (0112) that receives a first operation by the consumer, and transmitting first request information requesting a change in the priorities of the plurality of control-target devices, to the operation unit (0100) in accordance with the first operation. The operation unit (0100), upon receiving the first request information, specifies the plurality of control-target devices on the basis of the results information and the first request information, and changes the priorities of the plurality of control-target devices in the priority information.
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