Wednesday, November 11, 2009

What is Demand - Response?

My definition is:

A predetermined process where a power company requests one or more users to defer power usage during a specified time, e.g., peak demand.

We everyday consumers likely haven't seen this happen yet, but we likely will.

Currently, large businesses or consortiums of businesses participate with their power company to give up some portion of their power consumption during a specified time period to smooth out demand peaks so that the power company does not have to buy much more expensive power from other sources.

As we move toward more renewable power sources such as wind and solar we may very well 'be encouraged' to utilize small electronic devices that communicate to 'smart meters' to turn off more than just the air conditioner when the wind dies down at the wind site or if there is a sudden rain storm at the solar site. Wind and solar are not reliable power sources and expanded usage, without some sort of large power storage technology, will make them problematic power sources for all of us.

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