A system and method of operating an energy data management and control system has a first communication network to transmit and receive data to and from a user interface, a second communication network to transmit and receive data to and from a Utility company, and a third communication network to access data from and provide data to accessories within a home. The system reformats the data from any of the first, second and third communication networks for communication with another of the first, second and third communication networks, wherein at least one of the communication networks operate on a protocol different from another one of the communications networks. The data defines various operations of the system.