27 Aug '12, 11pm

Smart Grid Standards: SEP 1.0 vs. 2.0 vs. the Proprietary Old School

Smart Grid Standards: SEP 1.0 vs. 2.0 vs. the Proprietary Old School

Smart Energy Profile 1.0, 1.x, and 2.0 -- what’s the difference, anyway? A lot, it turns out. As a new communications standard being developed to run over low-power ZigBee wireless, ubiquitous Wi-Fi and the data-over-wiring HomePlug standards, SEP is if nothing else a work in progress. Indeed, while almost every smart meter in North America has a built-in ZigBee radio capable of communicating the SEP standard, relatively few have those radios “turned on” for in-home communications. Texas utility CenterPoint Energy has about 2 million or so Houston-area smart meters that can support ZigBee SEP 1.0, for example, but smart meter vendor Itron says that only about 6,000 in-home devices were hooked up as of this summer. In the meantime, there’s a decades-old version of a semi-smart thermostat, shall we say, made by Honeywell, Carrier, Eaton/Cooper Power, United Technologies, et....

Full article: http://www.greentechmedia.com/articles/read/smart-grid-st...

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