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Floating Wind Turbine Platform

Sterling D. Allan writes "Inventor Tom Lee is nearly ready to strike a deal to install a flotilla of offshore wind turbines, combined with hydrogen-generating capability and battery storage, which he says will enable them to have the consistency needed to be a primary grid energy provider, and not just supplemental to the gird. The floating platform enables them to take the turbines to where the wind blows and birds are few, and people even fewer. His objective in commencing this project 12 years ago was to come up with a power solution for developing nations."

24 of 228 comments (clear)

  1. What about the cost by Barkley44 · · Score: 4, Interesting

    How much will it cost to build though? And would it have any impact on the environment under the water, when placed in lower water levels? Perhaps it's not a major concern? I could just see the great lakes covered by hundreds of these ;)

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    1. Re:What about the cost by Propagandhi · · Score: 5, Funny

      How much will it cost to build though?

      About 540 Energy and 60 Metal IIRC. A little more if you're CORE.

    2. Re:What about the cost by rsborg · · Score: 4, Interesting

      I was wondering this too, so I googled "cost of off shore wind farm" and came up with Cape Wind. Pretty interesting. Still haven't managed to price it out though. It only mentions that this farm is privately funded... which may just work.

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    3. Re:What about the cost by Mars+Ultor · · Score: 5, Insightful

      Try to think about the size of a wind turbine in comparison to the SURFACE AREA OF ANY MAJOR OCEAN. Seriously, for a just a moment. Quick google facts:

      Surface area of the Pacific:
      166 million square kilometres, 64 million square miles

      Typical size of a wind turbine:
      Blade span (total diameter): 200 - 350 feet
      Mast height: 150 - 300+ feet

      Arranging 4 of these together on a platform the size of a (american) football field (360*160 = 57600 sq. ft.) would mean that you could cover the Pacific with these if you managed to produce a hair under 31 billion platforms...

      Let's say you want to have a total of 1000 platforms, each with 4 turbines. This would require (approx) 0.00000322% of the surfacea area of the Pacific. It is unlikely that such turbines would have a measurable effect on global weather patterns.

      I'm not trying to flame you here, just want to underscore that the amount of energy contained in global weather patterns and the size of the oceans (from which much of this energy flows from) completely dwarfs almost anything we can realistically throw at it right now. It has been estimated that it would require thousands to millions of times our current planetwide energy output to reach a level where weather patterns could be altered.

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  2. Large areas required by Cave_Monster · · Score: 4, Interesting

    I'm all for alternatives for energy production but would it be logistically feasible to conduct such a venture? Wind farms on the land take up massive amounts of landspace, I just don't know how you could acceptably occupy a similar amount area on water. That is unless the technology has advanced somewhat and not as many windmills are required to produce the same amount of energy.

    1. Re:Large areas required by Chuckstar · · Score: 4, Informative

      Have you ever seen how big oil platforms are? BP's Thunder Horse is 112m wide, 136m long, and 130m high. It weighs 60,000 tons. GE's biggest turbines are 75m tall at the hub and weigh 300 tons. You could easily place one of these turbines at each of the four corners of Thunder Horse.

      All the technology to build large and tall platforms, anchor them to the ocean floor, connect them under the sea to the land, disconnect them when a storm is coming so they can be moved out of the way, reconnect them, maintain them, etc. already exists in the oil platform industry.

      These things probably are not as tall as oil platforms. They connect to land through cable which is relatively cheap to manufacture and install compared to pipelines which have to be carefully laid on the ocean floor and have to be designed not to leak oil all over the place. Living quarters would be drastically simpler because turbine maintenance takes many fewer workers than oil drilling (Thunder Horse has facilities for 229 workers to be stationed there semi-permanently). They don't need the same level of safety as oil rigs since they are not pumping and storing an environmentally sensitive substance. They don't need all the drilling and pumping equipment that oil rigs do (wind turbines are vastly less costly/complicated than oil rig equipment).

      Can't comment on cost/return. Clearly if there's no return they won't get built, but the technology all exists and these things would be much, much cheaper than oil platforms.

  3. I don't get it. by Xarius · · Score: 4, Funny

    Supplementing the gird is a commendable achievement.

    Where are we keeping the real editors?

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  4. Beowulf cluster by Anonymous Coward · · Score: 4, Funny

    Imagine a Beowulf cl... oh wait never mind.

  5. Birds by Tim2005 · · Score: 5, Insightful

    According to this study reported by the BBC (http://news.bbc.co.uk/1/hi/sci/tech/4072756.stm) windfarms pose a low risk to birds. I believe buildings in general are far more of a threat.

    And even if windfarms did pose a danger to birds, the benefits of a clean, sustainable energy source so far outweigh the downside of a few dead pigeons here and there, that it's silly to even contemplate the matter.

    1. Re:Birds by geomon · · Score: 4, Insightful

      Here is a fairly comprehensive study of hazards to avian populations from wind farms.

      The threat isn't as small as a few pigeons, but it is an area where active research in avian behavior could reduce the number of impacts.

      There isn't a single "zero impact" energy source. An environmental price for any energy source can be found if you look hard enough. The challenge is learning how to balance our need for energy with the size of the threat to the environment.

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  6. Developing Nations by rsborg · · Score: 4, Interesting
    His objective in commencing this project 12 years ago was to come up with a power solution for developing nations
    Jeebus, is that what the US is now? With all the bass-ackwards energy policy combined with a very aging grid control system, and nuclear paranoia (why the hell don't we reprocess like France/Japan?)... perhaps we're ready for some serious diversity to increase the power stability of this country.
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    1. Re:Developing Nations by nametaken · · Score: 4, Insightful

      (why the hell don't we reprocess [pbs.org] like France/Japan?)

      You start by not mentioning that France and Japan do it.

      Frighteningly, I'm quite serious.

  7. So that means... by SamAdam3d · · Score: 4, Insightful

    "nearly ready to strike a deal to install"
    in technology terms, you have got nothing.

    I was ready to make a deal with a nice Nigerian fellow, but that doesn't mean a darn thing.

    --
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  8. Correct me if I'm wrong... by ta+ma+de · · Score: 5, Funny

    But shouldn't we be working to eliminate those pesky migratory birds; especially since H5N1 is milling about. Mulching birds should be listed a feature, a feature that is part of the fight to stop the bird flu. It could be a War-on-Avian flu, to be waged at sea, stopping migration before it starts. All good now.

  9. Re:It Doesn't Matter by NMerriam · · Score: 5, Funny

    Yes, it's a shame that fringe reactionary groups have such a strong hold on our nation's energy policy. Why, just the other day ConocoPhilips was asking congress to allow them to use some of their tens of billions of recent windfall profits to research and provide clean, renewable energy. Wouldn't you know it, that huge Earth First! lobby managed to block any progress, just as they have for years and years!

    I remember back in the 70s when Chevron's big solar arrays in Oklahoma were being continuously sabotaged by Greenpeace activists. The National Guard couldn't even hold off those lunatics long enough for Dick Cheney to finish cleaning the baby seals!

    When will the insanity stop? When will the multinational megacorporations ever have a chance to be heard?

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  10. This is not feasible today by Yartrebo · · Score: 4, Informative

    The electricity->hydrogen->electricity cycle is only about 50% efficient using utility-scale 100MW plants (slightly lower for 1MW or so sized plants, and much lower for lab-sized plants). Right now there is so little wind power installed that the grid can easily handle large amounts of extra wind power. When 20% of electricity is coming from wind, then they'll start to be substantial benefits to power storage (though I see hydroelectric storage as a more practical form of storage than hydrogen, and that's good until renewables cover 100% of electricity demand and we're at the stage of needing liquid fuel for airplanes and vehicles).

    Second, I believe that using a floating platform with very tall (~400 feet or so) structures is asking for trouble. Something floating is far more vulnerable to storms than a securely grounded pile. There must be a good reason it's not being done now.

    Thirdly, why have the things so far from shore. Transmission losses (if undersea cables are employed) are large over such distances, and it does take quite a bit of aluminum to make such long wires. If a ship must come to load the hydrogen every once in a while, then you just added a large operating expense (and one of the nice things about wind and solar is very low operating expenses).

    So why not stick to tried and true near-shore and land based wind turbines?

  11. Read article 15min. ago--BS detector still blaring by Tsar · · Score: 4, Interesting
    Has anyone with knowledge of actual power generation systems looked at this article?
    • The submitter is apparently the owner of the site where the article is posted--also of other "Free Energy" and survivalist supply sites.
    • The article gives no details about a technology which seems sketchy at best and pure BS at worst. This gap is covered by the ever-popular "U.S. companies had better hurry up, the Europeans and Asians are about to pay me BIG MONEY for my wonderful ideas!" Come on.
    • The only Dr. Thomas L. Lee I could find is an MD in Texas, and the only Stanbury Resources I found sells real estate in Montana.
    • In the final analysis the idea sounds like a 7th-grade science fair project. Does he really think Slashdot readers will think that venture capitalists are lining up around the block to pay for this "idea?"
    Sorry if I sound sarcastic, I must have gotten up on the non-gullible side of the bed this morning.
  12. a la Total Annihilation: by greatgreygreengreasy · · Score: 5, Funny

    Floating wind turbines are fine, but only until you can get your tidal generators up, and those become obsolete after underwater nuclear is built. They are quite fragile, however, so be sure to protect them with Scooters or floating Defenders, to ward off trigger-happy Scouts... ;)

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  13. Re:It Doesn't Matter by NMerriam · · Score: 4, Insightful

    Yes, let's look at how many new refineries have been constructed in the US in the last 30 years.

    Yeah, those pesky environmentalists in control of all the oil companies decided that it made more sense to use old, grandfathered refineries than actually make new ones that complied with modern air regulations. The fact that it chokes off supply occassionally and raises the profits is a horrible side-effect for the poor companies.

    And how many nuclear plants have been constructed in the same timeframe.

    There are certainly many people who have an irrational fear of nuclear power, but I think the nail in the coffin of that particular enterprise was that nuclear wound up being no cheaper than anything else, and every plant would have been losing money if it weren't for the huge government subsidies.

    The fact is, if the US had been continuing to build out its nuclear power capacity we may not be discussing energy strains the way we are today.

    Indeed, and had we been continuing to build out wind and solar power, we would be even better off than with nuclear! But of course nobody is protesting wind and solar power, I wonder why we haven't invested in those with half the gusto we've spent trying to find a few million nonreplaceable barrels of oil off the coast of Florida? I've never heard of anyone getting sick from living next to a windmill.

    Conservation will only take you so far. After that, you have to develop new sources.

    Indeed -- and building more oil refineries is not "new sources". Drilling in Alaska, drilling off Florida, drilling anywhere is not "new sources". Call me when ConocoPhilips builds their first tidal generator in the Gulf of Mexico, and then I'll shed a tear for the Cato institute bravely fighting the environmental lobby that has been holding us back from any "new sources" of energy. I mean, it's not like we've had over 30 years to work on this stuff.

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  14. Kinda missing the point, isn't it? by aiken_d · · Score: 4, Funny

    The floating platform enables them to take the turbines to where the wind blows and birds are few, and people even fewer. His objective in commencing this project 12 years ago was to come up with a power solution for developing nations.

    If it's for developing nations, why not take it where the wind blows and the birds are many. He could provide power and an unlimited supply of pre-diced stir fry at the same time!

    Cheers
    -b

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  15. Real Advantage - Law of the Sea by Doug+Dante · · Score: 4, Interesting

    The real advantage of this system is that it's governed by the law of the sea. These vessels can fly flags of convenience and simply import Hydrogen. You want to complain that they're killing birds? Too bad They're bothering your politically-connected and oh so expensive Cape Cod view? Thanks for playing "We don't care".

    And if one of our friendly, small, and oh so bribable CAFTA partners such as Costa Rica offers the flag of convenience, guess what? That hydrogen is entering the USA duty free! Don't try to stop it, or you'll end up in a corporate friendly and politically insulated CAFTA court.

    The sad part is that just like Sea Launch, it's getting so that you have to move out of the country to avoid all of the hassles and get 'er done. Thus the biggest joke of the recent energy bill. A $500 million grant to pay for people to deal with the nuclear power bureaucrats in Washington so that we might ~think~ about making another nuclear power plant.
    (Well, perhaps second biggest after that Alaskan bridge fiasco)

    Which brings up a good idea. You might as well cut out all of this hippie wind power BS and build a nuclear power plant out at sea to generate electricity to distill water, split it, and make hydrogen. We must have a spare nuclear aircraft carrier around here somewhere. Sell it to Costa Rica and they can rent it out to "Clean Hydrogen At Sea Corp"

    Business method patent pending. Send $100,000 and you can have it.

    --
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  16. Must be an ex-NASA employee ... by DrJimbo · · Score: 4, Funny
    From a caption in TFA:
    Stanbury Resources Inc. does not mount wind turbines on the sea floor, but deploys them on floating platforms on bodies of water of any depth, from 15 meters to 15,000 feet.

    Nothing says bogus quite like changing units in mid-sentence.

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  17. Alternative viewpoint. by katharsis83 · · Score: 4, Insightful

    "Yes, let's look at how many new refineries have been constructed in the US in the last 30 years. And how many nuclear plants have been constructed in the same timeframe."

    Instead of blaming the relatively weak and powerless environmentalists (how many seats does the Green party have in our beloved Congress?), maybe you should consider that Texaco, Unocal, Chevron, etc, don't exactly want to see cheap and safe nuclear power crushing their sale of natural gas/coal. It's also more than likely that by keeping refining capacity at artifically low levels, that they can string along the public for a longer period of time on a dwindling supply of oil.

    "Your sarcasm doesn't measure up to reality, does it? The fact is, if the US had been continuing to build out its nuclear power capacity we may not be discussing energy strains the way we are today."

    It's far more likely that a paranoid public, feeding on information from hyped up reports from 3-Mile island, is taking a "not in my backyard" approach to this.

    Think hard.

    How much power does the environmental lobby really have in this country?
    Facts:
    1. No Kyoto Treaty
    2. Current administration/party in power refuses to recognize global warming, and went as far as to hire a guy to CENSOR reports on this topic.
    3. Scaled back clean air regulations.
    4. Not a SINGLE Green Party Senator (check out the Bundestag for comparison)
    5. Massive subsidies for an energy sector that's been posting record profits.

  18. Equations of wind energy storage. by fluffy666 · · Score: 4, Interesting

    The problem with making Wind energy into a baseload power source is it's intermittancy. To overcome this without using a fossil fueled backup system (which completely defeats the purpose of having wind power in the first place, you need a storage and backup system). Probably the most energy efficient backup system we can have is a reversable fuel cell system (H2Electricity), with 70% efficiency. A good wind turbine installation will generate electricity around 33% of the time. Hence the installed capacity required becomes: N = 1 + ((1-C).(1/(E.R)))/C Where N = Capacity multiplier, C= Capacity Factor, E=H2 generation energy efficiency, R=Electricity generation from hydrogen efficiency. Putting in our numbers above, we get: N= 1+(((1-0.33).(1/0.7x0.7))/0.33) =1+((1.33)/0.33) =5 This means that you need to install 5MW of wind turbines to get 1MW baseload power. So you can take wind power cost estimates, and assuming that your fuel cells and hydrogen storage systems are free, multiply the cost by 5 to get a realistic cost. The above also assumes that hydrogen storage is lossless, which is generally not the case. If, as may well be the case, hydrogen needs to be stored on a season to season basis (i.e more wind in winter), this may make the system physically impossible. Furthermore, the above uses lab fuel cell efficiencies; reducing to 'real world' 40% efficiencies means that N=13, i.e. no less than 13Mw of wind generators are required for 1MW baseload. In short, wind power shows no sign of ever being able to economically fulfill our energy requirements.