STORAGE BATTERY SHARING SYSTEM, INFORMATION PROCESSING DEVICE, STORAGE BATTERY SHARING METHOD, AND RECORDING MEDIUM RECORDING STORAGE BATTERY SHARING PROGRAM

The purpose of the present invention is to provide a management device for supplying power stored in an electricity storage device to a plurality of different customers and controlling discharge amounts corresponding to requests from respective customer's facilities to the electricity storage device. The management device comprises: a dischargeable amount information acquiring means for acquiring dischargeable amount information indicating a power amount dischargeable from the electricity storage device connected to the customer's facilities; a discharge request power information acquiring means for acquiring discharge request power information indicating a discharge request power amount requested as power supplied to each of the customer's facilities from the electricity storage device; and a discharge amount determination means for, based on the dischargeable amount information and the discharge request power information, determining a storage battery discharge amount indicating a power amount discharged from the electricity storage device.