1. A system for managing and supplying power on an electric power grid that is constructed and configured for supplying and receiving power from a multiplicity of sources, where the power flows to a plurality of power consuming devices or is generated by a plurality of power generation and/or storage solutions that are energized, de-energized, and/or power-reduced by a plurality of controllable devices, the system comprising: a server comprising a command processor operable to receive or initiate power commands and issue power event messages responsive thereto for supplying power to the electric power grid by at least one power supply grid element; a coordinator constructed and configured in networked communication with the server, and operable for receiving, sending, storing, processing, and/or managing the power event messages for the server and for the plurality of power generation and storage solutions; wherein the power event messages are communicated over a network via the coordinator through an IP-based messaging, synchronous time division multiplexed (TDM)-based messaging, or a proprietary-based messaging; wherein the power event messages include revenue grade metrology; a database for storing information relating to power consumed by the plurality of power consuming devices and an amount of power to be reduced to each of the power consuming devices and/or an amount of power supply to be provided to the electric power grid or to be made available for supply to the electric power grid; and wherein the system is operable for providing maintained or improved grid reliability and stability.