Have you heard of smart meters? Do you understand them? If so, you've had a leg up on me until now. I've heard of smart meters here and there from the odd news article or website, but to me the grapevine has been more like an invisible beehive: all buzz and no honey. Where are they? Why don't I have one yet, and will I have to buy it to be part of the system? Do they really save energy? Is Big Brother counting my kilowatts for me now, or what? These are the questions that don't keep me up at night, but I suspect more and more people are asking.

Photo credit: U.S. Department of Energy
We talked about what a
Smart Grid is in February. The standard electrical grid is a collection of transmission lines, substations, transformers, and more that deliver electricity from the power plant to your home or business. A Smart Grid includes digital technology that allows for two-way communication between the utility and its customers, and the sensing along the transmission lines.
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