[ExI] Efficiency of wind power
eugen at leitl.org
Thu Apr 7 08:31:03 UTC 2011
On Wed, Apr 06, 2011 at 12:28:19PM -0700, spike wrote:
> Thanks Max. I was a big fan of wind power until ~2008. Starting in that
I never was. The potential is limited to locations, and as a secondary
source to the solar primary it is limited in total volume.
See respective total available energy on
As you see, even terrestrial solar flux is about a factor
of 6000 in excess our needs, and 2000 in excess of our
needs just considered land area. Incidentally, just the flux
upon human-made structures matches the total energy demand.
Solar also happens to match demand very closely, at least
in Germany (peak around noon), so you can get rid of inefficient
and/or nonagile peak plants.
> year, I began making frequent trips coast to coast, and saw wind farms in
> various places. I noted the locations and set my computer to remind me to
> look out the window when various wind farms were coming into view. It is
> something that burned an image into my retinas: most of the time in most of
> those wind farms, all of the turbines were sitting still and quiet.
Nevertheless it is possible to generate a fair fraction of total
electricity with wind alone:
Recent study says 65% of total electricity production in
Germany could be done with wind power -- in theory.
Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org
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