28 May '11, 7am

It's payback time from your "Cashback Car"

To understand how it works, let's look at our national electric grid. Energy loads on the grid follow a fairly predictable pattern during the day, but many short term loads on the electric grid are unpredictable. The grid operator's job is to balance load and generation constantly to make sure everything stays matched. Within the U.S., this responsibility lies with a network of regional grid control companies. The unpredictable short term loads are caused by things like the weather, or a major industrial facility starting or stopping a high-energy process like an electric furnace. In order to keep the grid functioning correctly, the regional grid control operators require what is known as regulation service – either the short term addition of generation (or the deletion of load) and frequency regulation services. Because these services require quick response to the demand ...

Full article: http://green.autoblog.com/2011/05/27/its-payback-time-fro...

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