A method for managing commands, the method being performed by an energy management system, EMS, the method comprising: receiving, from a mobile terminal, a user command for at least one target smart appliance from among smart appliances (430, 440, 450, 460) controlled by the EMS; determining, upon receiving the user command, whether the at least one target smart appliance includes at least one power consumption-controlled smart appliance, wherein each power consumption-controlled smart appliance operates in a power consumption control mode; generating, upon a determination that there is at least one power consumption-controlled target smart appliance, a notice message for informing the mobile terminal that the at least one power consumption-controlled target smart appliance operates in the power consumption control mode, the method being characterized in that the notice message includes information about a plurality of elements available for selection, and in that the method further comprises: sending the notice message to the mobile terminal; and determining, upon receiving a response message to the sent notice message, whether to continue the power consumption control mode of the at least one power consumption-controlled smart appliance according to selection information indicating an element selected by the user among the plurality of elements, wherein the selection information is included in the response message; wherein determining whether the at least one target smart appliance includes at least one power consumption-controlled smart appliance includes receiving a command for smart grid management from a utility operator, and determining whether the at least one target smart appliance is affected by the command received. receiving, from a mobile terminal, a user command for at least one target smart appliance from among smart appliances (430, 440, 450, 460) controlled by the EMS; determining, upon receiving the user command, whether the at least one target smart appliance includes at least one power consumption-controlled smart appliance, wherein each power consumption-controlled smart appliance operates in a power consumption control mode; generating, upon a determination that there is at least one power consumption-controlled target smart appliance, a notice message for informing the mobile terminal that the at least one power consumption-controlled target smart appliance operates in the power consumption control mode, sending the notice message to the mobile terminal; and determining, upon receiving a response message to the sent notice message, whether to continue the power consumption control mode of the at least one power consumption-controlled smart appliance according to selection information indicating an element selected by the user among the plurality of elements, wherein the selection information is included in the response message; wherein determining whether the at least one target smart appliance includes at least one power consumption-controlled smart appliance includes receiving a command for smart grid management from a utility operator, and determining whether the at least one target smart appliance is affected by the command received.