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The challenge of the smart grid is formidable. What makes a grid smart, or at least different from the grid of today, is the fact that it must deliver both energy and information. The delivery of both energy and information must also be end-to-end and bidirectional. Energy will be generated both at traditional generation facilities as well as in local or distributed generation facilities. Information covering every aspect of electricity from generation to consumption will also be conveyed. The relationship between the smart grid, homes, and consumers is an important and tightly coupled part of the overall system. The energy stakeholders have been enhancing the ZigBee Smart Energy standard to serve the growing set of needs required of the relationship including the ability to run over a variety of mainstream communications protocols, wired and wireless, like IEEE 1901, 802.3, 802.11 and 802.16 in addition to the original 802.15.4.
B. Heile (Tue,) studied this question.