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China could replace coal with wind

china-wind

It's clear that China is taking on renewable energy projects at a fast pace.  The country has doubled its installed wind power every year for the past five years and a new study shows the country should keep it up.  Researchers from Harvard and Beijing Tsinghua University have found that China could meet all of their electricity demands from wind power through 2030.

The scientists came up with meteorological and financial forecasts that show that China can run on wind alone.  They mapped the wind potential for different regions and then assumed that each had a smattering of 1.5 MW turbines.  They excluded metro areas or unusable terrain.  Once they calculated how much energy each area could generate, they then came up with the cost of the energy.

They discovered that many areas, especially northern and western parts of the country, could generate energy at about 6 - 8 cents/kWh.  This meant 6.96 trillion kWh could be generated annually at a profit, which is twice the current energy demand and close to what the demand is expected to be in 2030.

If China chose this route instead of adding more coal, it could prevent 3.5 billion tons of CO2 from being emitted.

Since China is already installing wind at a rapid pace, the researchers think it's entirely possible that they could make these projections a reality.  The major hurdle for the country would be upgrading and expanding their transmission system to handle new wind farms.

While a world powered by renewable energy is still a long ways off, it's really promising to hear of studies like these that show that it's definitely accomplishable.

via MIT Technology Review

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comments from our community

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  • Posted by Big Wed Sep 16, 2009 7:50pm PDT
    Gee leave it to China to do what we should have done years ago we have one of the worlds best area for wind power not to mention cost lines for wind farms yet we still have yahoo's out there that feel that we do not need this in anyway
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  • Posted by calif_blonde7 Wed Sep 16, 2009 11:50pm PDT
    To Big & anyone else listening and who cares. I agree but if "we the people" start getting together and making OUR voices heard there is power in numbers. I say, "united we stand,divided we fall" and that's exactly what all the yahoos' want. Write your state Reps. congress heck write President Obama after they work for the people right? Let's stop fighting each other and instead pull together and make it happen..... what do ya say?????
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  • Posted by jedrik Thu Sep 17, 2009 3:41am PDT
    This is good news yet again!
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  • Posted by robert Thu Sep 17, 2009 8:42am PDT
    I am so proud of China making renewable accessible to the world by their leverage of cheaper of engineering and manufacturing labor.
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  • Posted by Jamil Thu Sep 17, 2009 9:24am PDT
    All i can say is chinese are such intelligent people..... they're using their brain....
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  • Posted by John Thu Sep 17, 2009 12:24pm PDT
    the usa could also do this
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  • Posted by Dr. Zook Thu Sep 17, 2009 1:27pm PDT
    China has the distinct advantage of being a one party dictatorship. This means that if the rulers of that country see a need and a better way to satisfy that need, then they just do it. If that means ordering one million peasants to vacate their farms tomorrow, they do it. If they see that nuclear is cheaper, more efficient than coal fired plants and produce a far, far smaller volume of waste, they do it. If wind power can fill the shortfall in coal and oil supplies, they will do it. The West has those annoying democratic principles and industrial cartels lining the pockets of politicians. China will rule planet Earth by 2050. I am not saying I admire them or anything, I am just stating the facts of the matter.
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  • Posted by Charles Thu Sep 17, 2009 1:43pm PDT
    The USA could do this, John. Perhaps, we should do it. Unfortunately, as Dr. Zook pointed out all that is required is both a long enough attention span (NOW ON AMERICAN IDOL!...Oops!)the political will, and the imagination to accomplish the task appears to lie presently in the Chinese Communist Party. Still, has I've implied above, there will be no quick technological fix, for our energy or environmental woes. We need to see how our (isolate) inner world both reflects and fails to reflect our (shared) outer world. ("Buy your Hummer 3 now.!"..oops!)China has a history of striving to create some balance between these two worlds(Albeit,often as a Karl Wittfogel-like tyrannical civilization). For us, alas, we seem to have to await further environmental degradation ("See, the Club of Rome projections of overpopultation were wrong!") and despoilation in order to act in a meaningful way.
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  • Posted by dabigman Fri Sep 18, 2009 1:22pm PDT
    I agree with both Dr Zook and Charles however Don't forget the environmentalist out there they say they like green tech. yet they put up roadblocks to everything and of course there is the NOT In my back yard fellows out there. I remember wind farms being blocked in court because it might hurt the birds and radar installations.
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  • Posted by beachbum Sat Sep 19, 2009 8:01am PDT
    nice that China beat us to it. lets stop focusing on ridiculous plans such as universal healthcare that we cannot afford and focus on things we can afford and help save the planet at the same time!
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  • Posted by ChrisW Mon Oct 19, 2009 3:22pm PDT
    There is no such thing as a zero-impact energy source. While this is great for preventing global warming, it will devastate avian (bird) populations in every region that uses this. The windmills create low-pressure zones, and when something goes through these zones, it causes the capillaries in their lungs to burst, and they suffocate. Also, it is likely that deployment on such a large scale will have other effects that could not be foreseen.
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