Patent ID: 6842706
Filing Date: 2005-01-11
Classification: G01D,G06Q

Abstract:
1. A method of controlling usage of a utility, the method comprising: providing a control system at a consumer site; receiving in said control system a representation of a utility usage by a utility-consuming device, said representation of utility usage comprising measured values of at least one output of said utility-consuming device as well as measured values of at least one utility input delivered to said utility-consuming device; receiving and storing in said control system a usage range representation for said utility-consuming device comprising at least one pre-determined value of an expected output of said utility-consuming device and at least one pre-determined expected value of a utility delivered to said utility-consuming device; and producing a control signal for use by a utility service controller, when said measured at least one output and at least one input values are outside of said usage range representation for said utility-consuming device, said control signal being operable to cause said utility service controller to interrupt or adjust a supply of said utility to said utility-consuming device.