Apparatus for energy service of user terminal, and method for energy service thereof

An energy service apparatus, comprising:

• a memory configured to store at least one of information associated with a plurality of devices connected via a smart home network or information associated with a device providing an energy service that provides information associated with at least one of a power consumption or a power-saving mode of the device among the plurality of devices connected via the smart home network;
• a processor configured to:
• identify a target device selected through a user terminal,
• request, to a first server, first information associated with a device providing the energy service, from among the plurality of devices connected via the smart home network,
• based on information associated with the target device not being included in the first information received from the first server, request, to a second server, second information associated with the plurality of devices connected via the smart home network, and
• based on the second information received from the second server and information of a management file stored in a third server, identify whether the target device is the device providing the energy service,
• wherein the information of the management file includes information which is registered by an administrator and associated with the device that provides the energy service.