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Title: Japanese breakthrough will make wind power cheaper than nuclear
Source: mnn.com - mother nature network
URL Source: http://www.mnn.com/green-tech/resea ... wind-power-cheaper-than-nuclea
Published: Aug 29, 2011
Author: Karl Burkart
Post Date: 2011-09-07 23:19:11 by GreyLmist
Keywords: Wind lens turbines, offshore platform
Views: 643
Comments: 29

A surprising aerodynamic innovation in wind turbine design called the 'wind lens' could triple the output of a typical wind turbine, making it less costly than nuclear power.

Snapshot from video

NOTE: Some major wind projects like the proposed TWE Carbon Valley project in Wyoming are already pricing in significantly lower than coal power -- $80 per MWh for wind versus $90 per MWh for coal -- and that is without government subsidies using today's wind turbine technology.

The International Clean Energy Analysis (ICEA) gateway estimates that the U.S. possesses 2.2 million km2 of high wind potential (Class 3-7 winds) — about 850,000 square miles of land that could yield high levels of wind energy. This makes the U.S. something of a Saudi Arabia for wind energy, ranked third in the world for total wind energy potential.

Let's say we developed just 20 percent of those wind resources — 170,000 square miles (440,000 km2) or an area roughly 1/4 the size of Alaska — we could produce a whopping 8.7 billion megawatt hours of electricity each year (based on a theoretical conversion of six 1.5 MW turbines per km2 and an average output of 25 percent. (1.5 MW x 365 days x 24 hrs x 25% = 3,285 MWh's).

The United States uses about 26.6 billion MWh's, so at the above rate we could satisfy a full one-third of our total annual energy needs. (Of course, this assumes the concurrent deployment of a nationwide Smart Grid that could store and disburse the variable sources of wind power as needed using a variety of technologies — gas or coal peaking, utility scale storage via batteries or fly-wheels, etc).

Now what if a breakthrough came along that potentially tripled the energy output of those turbines? You see where I'm going. We could in theory supply the TOTAL annual energy needs of the U.S. simply by exploiting 20 percent of our available wind resources.

Well, such a breakthrough has been made, and it's called the "wind lens."

[ http://www.youtube.com/watch?v=ifF-MOuzM_s&feature=player_embedded ]

Imagine: no more dirty coal power, no more mining deaths, no more nuclear disasters, no more polluted aquifers as a result of fracking. Our entire society powered by the quiet "woosh" of a wind turbine. Kyushu University's wind lens turbine is one example of the many innovations happening right now that could in the near future make this utopian vision a reality.

Yes, it's a heck of a lot of wind turbines (about 2,640,000) but the U.S. with its endless miles of prairie and agricultural land is one of the few nations that could actually deploy such a network of wind turbines without disrupting the current productivity of the land (Russia and China also come to mind). It would also be a win-win for states in the highest wind area — the Midwest — which has been hard hit by the recession. And think of the millions upon millions of jobs that would be created building a 21st century energy distribution system free of the shackles of ever-diminishing fossil fuel supplies.

It's also important to point out that growth in wind power capacity is perfectly symbiotic with projected growth in electric vehicles. EV battery packs can soak up wind power produced during the night, helping to equalize the curve of daytime energy demand. So the controversial investment currently being entertained by President Obama to pipe oil down from the Canadian Tar Sands would — in my utopian vision — be a moot point.

It is indeed a lofty vision, but the technology we need is now in our reach. And think of the benefits of having our power production fed by a resource that is both free and unlimited. One downside often cited by advocates of coal and gas power is that wind turbines require a lot more maintenence than a typical coal or gas power plant. But in a lagging economy this might just be wind power's biggest upside — it will create lots and lots of permanent jobs, sparking a new cycle of economic growth in America.

Editor's note: Want more info? Karl breaks down the math in his next post.


Poster Comment:

The offshore platform design seems a good idea. Maybe tidal turbines could also be included below those, doubling as anchors. Here are a few simple homemade ideas for harnassing wind energy:

homemade spiral shaped wind turbine - 18 sec.

How I made my first pvc wind turbine - 51 sec.

Bicycle Wheel Windmill - 1.50 mins.

(1 image)

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Begin Trace Mode for Comment # 19.

#11. To: GreyLmist (#0)

ever-diminishing fossil fuel supplies

In what universe are there "ever-diminishing fossil fuel supplies"? Where is the proof that our fuel even comes primarily, if at all, from fossils? I called bs on that a long time ago when I thought about how much oil and gas is used EVERY DAY just in the US and thought about what a effin' pile of dead dinosaurs it would have taken to have made all of it. It seems that the earth creates oil and gas in the mantle in some kind of natural process that doesn't require dead dinosaurs. I'm thinking that if that were really the case then we would have been out way before now.

James Deffenbach  posted on  2011-09-08   1:26:22 ET  Reply   Untrace   Trace   Private Reply  


#12. To: James Deffenbach (#11)

I hear ya. Just skip the part about the supposed fossil fuel supplies.

GreyLmist  posted on  2011-09-08   1:45:19 ET  Reply   Untrace   Trace   Private Reply  


#13. To: GreyLmist (#12)

James Deffenbach  posted on  2011-09-08   1:48:50 ET  (1 image) Reply   Untrace   Trace   Private Reply  


#16. To: James Deffenbach (#13)

Note to myself to give more thought to the overtone of my posts before hitting the Post it button. :)

GreyLmist  posted on  2011-09-08   3:23:16 ET  Reply   Untrace   Trace   Private Reply  


#17. To: GreyLmist (#16)

LOL! Nothing wrong with your reply. I just like posting that picture of Buckwheat saying Otay!

James Deffenbach  posted on  2011-09-08   8:23:38 ET  Reply   Untrace   Trace   Private Reply  


#18. To: James Deffenbach (#17)

I like the Little Rascals too. :)

GreyLmist  posted on  2011-09-08   8:53:12 ET  Reply   Untrace   Trace   Private Reply  


#19. To: GreyLmist (#18)

Anyone who doesn't like the Little Rascals just about has to be a communist and up to no good. Either that or too young to know who and what we're talking about.

James Deffenbach  posted on  2011-09-08   9:12:02 ET  Reply   Untrace   Trace   Private Reply  


Replies to Comment # 19.

#21. To: James Deffenbach (#19)

Anyone who doesn't like the Little Rascals just about has to be a communist and up to no good. Either that or too young to know who and what we're talking about.

Indeed, sir. Quite right.

GreyLmist  posted on  2011-09-08 09:26:47 ET  Reply   Untrace   Trace   Private Reply  


End Trace Mode for Comment # 19.

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