A management system that manages a use status of a plurality of devices that are connected a plurality of power supply systems provided in a facility to be used, includes a plurality of reporting apparatuses attached to the devices, and a management apparatus, wherein each of the reporting apparatuses includes a first output unit which outputs device identification information required to identify a corresponding one of the devices when the corresponding one attached to the reporting apparatus is connected with one of the power supply systems, and the management apparatus includes a collecting unit which collects the device identification information output from the first output unit in association with system identification information required to identify one of the power supply systems to which the corresponding one of the devices is connected.
