Patent ID: 6671586
Filing Date: 2003-12-30
Classification: H02J,Y02A,Y02B,Y04S

Abstract:
A system which controls appliances comprising:at least one appliance controller unit, the appliance controller unit coupled to at least one appliance; an energy management controller configured to communicate a demand reduction control signal; a site controller configured to receive the demand reduction control signal and configured to communicate a first radio frequency (RF) signal corresponding to the demand reduction signal; a first transceiver residing in the appliance controller unit and configured to receive the first radio control signal so that the appliance coupled to the appliance controller unit is shut off upon receipt of the first RF signal; a second transceiver coupled to a meter, the meter configured to detect demand, and configured to communicate a second RF signal corresponding to the metered demand to the site controller, wherein the second RF signal is received by the site controller, and wherein information corresponding to the metered demand is communicated by the site controller to the energy management controller.