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View Diary: lessons from the early years of offshore wind in Europe (92 comments)

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  •  "robust" is the key word (6+ / 0-)

    The tidal forces must be immense.

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    by Scarce on Sun Oct 17, 2010 at 09:55:25 AM PDT

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    •  And more reliable (5+ / 0-)
      Recommended by:
      DaleA, Jimdotz, Bronx59, adrianrf, ParkRanger

      Than wind or wave power. The main advantage of putting tidal in the mix is that the timings and peaks of the tides are well know and therefore the output can be reasonably predictable.

      Both forms of hydro however should be interesting in terms of coastal erosion/reforming projects. My favorite example of this long term idea is New Orleans where the protective wetlands might be rebuilt by changing the sea erosion patterns using such devices to take down the forces of wave and tide.

      "Israel was born out of Jewish terrorism." Sir Gerald Kaufman, British MP and son of Holocaust survivor.

      by Lib Dem FoP on Sun Oct 17, 2010 at 10:05:15 AM PDT

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      •  Actually, diversifying the portfolio ... (2+ / 0-)
        Recommended by:
        elwior, radical simplicity

        ... does not require more predictability from each component. So long as the power supply of each component is strongly and positively correlated with the power supply of the other components, the mix has more stable power output than the individual parts.

        Indeed for scheduled load, a substantial component of wind power output is predictable a day or more in advance, so the unpredicted volatility is substantially less than the total volatility.

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        by BruceMcF on Sun Oct 17, 2010 at 11:20:26 AM PDT

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