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#31
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On Thu, 06 Sep 2012 20:00:11 -0700, Califbill wrote:
Maybe not most of the power plants, but plans are for 20% by 2030. South Dakota is already producing 20% of their needs with wind energy. Iowa is right on their tail. ----------------------------- Lots of wind, open land and little population or manufacturing. Easy to supply 20%. Do not know the percentage anymore but in the 1970's 50% of the people lived within 500 miles of NYC. So how do you supply that dense population? Where are the consistant winds? It seems to me, 20% is a pretty good chunk. Renewables, have already surpassed nuclear in providing US energy, although hydro is the largest chunk of that. As for strictly wind, it seems to me, offshore is the only chance for that here in the NE. This map shows the potential. http://en.wikipedia.org/wiki/ File:United_States_Wind_Resources_and_Transmission _Lines_map.jpg |
#32
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On Thu, 06 Sep 2012 21:16:50 -0400, gfretwell wrote:
On Fri, 7 Sep 2012 00:15:58 +0000 (UTC), thunder wrote: Maybe not most of the power plants, but plans are for 20% by 2030. South Dakota is already producing 20% of their needs with wind energy. Iowa is right on their tail. The Onan on Wayne's boat would provide 20% of South Dakota's energy needs. The problem is really the population centers on the coasts where real estate is at a premium. And the coasts have very good potential for wind, albeit offshore. http://en.wikipedia.org/wiki/ File:United_States_Wind_Resources_and_Transmission _Lines_map.jpg |
#33
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#34
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#36
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In article ,
says... On Fri, 7 Sep 2012 06:34:13 +0000 (UTC), thunder wrote: On Thu, 06 Sep 2012 21:16:50 -0400, gfretwell wrote: On Fri, 7 Sep 2012 00:15:58 +0000 (UTC), thunder wrote: Maybe not most of the power plants, but plans are for 20% by 2030. South Dakota is already producing 20% of their needs with wind energy. Iowa is right on their tail. The Onan on Wayne's boat would provide 20% of South Dakota's energy needs. The problem is really the population centers on the coasts where real estate is at a premium. And the coasts have very good potential for wind, albeit offshore. http://en.wikipedia.org/wiki/ File:United_States_Wind_Resources_and_Transmissio n_Lines_map.jpg Offshore in salt water becomes a maintenance nightmare. That is what the dutch found out. They don't have hurricanes either. The mid Atlantic coast of the US has really just been lucky. If they had a Cat 2 or 3 skirt the coast, most of your windmills would be fishing reefs. Salt life would be a major maintenance problem for sure. But one could easily be designed to withstand hurricane force winds. There just isn't enough surface area to worry about that much. |
#37
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On Fri, 7 Sep 2012 08:46:03 -0400, iBoaterer wrote:
The air would be displaced at a constant, round pattern, though. === You'd think so but the blades may spin off tip vortices, or somehow interact with the supporting pole in some asymmetric way. |
#38
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"thunder" wrote in message ...
On Thu, 06 Sep 2012 20:00:11 -0700, Califbill wrote: Maybe not most of the power plants, but plans are for 20% by 2030. South Dakota is already producing 20% of their needs with wind energy. Iowa is right on their tail. ----------------------------- Lots of wind, open land and little population or manufacturing. Easy to supply 20%. Do not know the percentage anymore but in the 1970's 50% of the people lived within 500 miles of NYC. So how do you supply that dense population? Where are the consistant winds? It seems to me, 20% is a pretty good chunk. Renewables, have already surpassed nuclear in providing US energy, although hydro is the largest chunk of that. As for strictly wind, it seems to me, offshore is the only chance for that here in the NE. This map shows the potential. http://en.wikipedia.org/wiki/ File:United_States_Wind_Resources_and_Transmission _Lines_map.jpg -------------------------------- 20% is only for a very sparsely populated area with lots of wind and small energy needs for the total area. The coastal area where most of the people live, just do not have enough land and wind to supply 20%. |
#39
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#40
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