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Reply #9: Wind Energy Myth #4 [View All]

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OKIsItJustMe Donating Member (1000+ posts) Send PM | Profile | Ignore Wed Jul-06-11 08:26 AM
Response to Reply #1
9. Wind Energy Myth #4
Edited on Wed Jul-06-11 08:26 AM by OKIsItJustMe
Wind Energy Myth #4

http://www.nrel.gov/docs/fy05osti/37657.pdf

Wind Energy Myths

4 Wind energy is unpredictable and must be backed up by conventional generation.

No power plant is 100% reliable. During a power plant outagewhether a conventional plant or a wind plantbackup is provided by the entire interconnected utility system.

The system operating strategy strives to make best use of all elements of the overall system, taking into account the operating characteristics of each generating unit and planning for contingencies such as plant or transmission line outages. The utility system is also designed to accommodate load fluctuations, which occur continuously. This feature also facilitates accommodation of wind plant output fluctuations. In Denmark, Northern Germany, and parts of Spain, wind supplies 20% to 40% of electric loads without sacrificing reliability. When wind is added to a utility system, no new backup is required to maintain system reliability.



Note, this does not mean that a 100% wind-powered grid would work fine with no storage, on the other hand, a 20-40% wind powered grid works well enough.

Combine unstored wind with stored solar, and you may have a winner.
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