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View Diary: Energy - some good news (for once) (237 comments)

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  •  Altamont Pass... (none) a problem mainly due to the older technology used there.  Your "Generation 1" comment is particularly apt.  The problems at Altamont included poor siting decisions (though Altamont's wind density made it very attractive, especially since peak winds occurred during peak energy demand periods).  

    The biggest problem at Altamont, though, was installation of many turbines with smaller diameter blade arrays that travelled at high rates of revolution.  These are much more dangerous to birds than the larger and slower blades on newer turbines.  Also, many early turbine designs used a latticework tower which was a tempting perch for birds.  New turbines all use monopoles that don't provide such temptations.

    Altamont Pass avian mortality is a real problem and is being addressed by companies that operate the turbines there.  Older turbines are being replaced with newer, safer ones.  Still, people shouldn't use Altamont Pass data to tar newer turbine installations.  I've posted some links above that you might be interested in.  Here's a link to a google search on Altamont:

    Google: Altamont+avian+mortality

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