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Renewable Energy From the Deep Ocean

Thomas Plocek Thomas Plocek·3 videos
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Uploaded on Jan 9, 2007

Ocean Thermal Energy Conversion (OTEC) process and an ideal location in Puerto rico

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Uploader Comments (Thomas Plocek)

  • Randall Gerber

    There must be far less costly renewable energy options - like wind generators.

    

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  • Thomas Plocek

    OTEC is base load, not intermittant. In areas where it can be applied it is very cost effective. High capital cost but low operating cost and no fuel cost.

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    in reply to Randall Gerber (Show the comment)
  • masoodusa

    if it is so simple then why don't they do it

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  • Thomas Plocek

    It is very expensive, even for a small demonstration unit and it is no longer patentable, so the firms with the money and engineering expertise would simply be opening the door to competitors. In addition, the power companies able to use the power from an initial unit are unwilling to issue a 20 year power purchase contract for an unproven technology. Such a contract would permit private financing. No one is willing to take any risk.

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    in reply to masoodusa (Show the comment)
  • kjks97463

    What is the efficiency equation for otec?

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  • Thomas Plocek

    The efficiency is different depending on the basis for your calculation. The traditional calculation via the Carnot cycle is very low, but is meaningless since there is no fuel cost. A more relevent calculation is based on recoverable energy versus energy consumed for pumping (and other small electrical demand). In the tropics this is around 65-70%.

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    in reply to kjks97463 (Show the comment)

All Comments (248)

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  • Sco Lar

    do you even get humor :/ lol

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    in reply to TurtleHacker (Show the comment)
  • TurtleHacker

    Puerto Rico is a territory of the United States. Looks like someone skipped a little too much class...

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    in reply to Sco Lar (Show the comment)
  • Johny Murgas

    Priority distortion...i tthink

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    in reply to masoodusa (Show the comment)
  • Sco Lar

    we should invade PR and build some of those things....

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  • Monkeyradar

    A 5.1 acre platform capable of generating 100 MW costs at least $800 million. They're building a demonstration plant in Hawaii and this is what their invoice proposal estimates for construction, testing, etc.

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    in reply to aotule (Show the comment)
  • aotule

    how much does this technology cost?

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    in reply to Thomas Plocek (Show the comment)
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