An electronic apparatus is disclosed. The electronic apparatus includes a memory stored with home device information corresponding respectively to a plurality of households and electrical power usage information corresponding respectively to the plurality of households, and a processor configured to control the electronic apparatus by being connected to the memory, and the processor is configured to obtain, based on a service request being received from a new household, home device information corresponding to the new household, update home device information corresponding to the new household based on at least one device included in the obtained home device information, identify at least one household from among the plurality of households based on the updated home device information, and obtain predicted electrical power usage information of the new household based on electrical power usage information corresponding to the identified at least one household.