Methods, Devices, and Systems for Utility Grid Control of Appliances based on Location and Identity

A method for operating an appliance on a power grid operated by a utility is described. The method includes receiving, at a server associated with the utility, information indicating whether a person is present in a proximity of the appliance, determining, by the server, an operational state of the appliance based on whether the person is present in the proximity of the appliance, and transmitting to the appliance, via a communication link associated with the power grid, control information related to the operational state to control operation of the appliance. Related methods, devices and systems are described.