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Green Building Bible, Fourth Edition
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Renewable Energy: Pentland Firth tidal turbine project given consent

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      CommentAuthorSteamyTea
    • CommentTimeSep 16th 2013 edited
     
    About time someone did it.
    Not sure if all the units used in the report are correct, but no matter.

    http://www.bbc.co.uk/news/uk-scotland-24100811
    • CommentAuthorJonti
    • CommentTimeSep 16th 2013 edited
     
    We will have to wait and see. I would have thought that Tidal could provide 100% if fully exploited not just 20% if usage were reduced through energy saving ways.

    Jonti
    • CommentAuthorEd Davies
    • CommentTimeSep 16th 2013
     
    …could generate up to 1MWt of power.
    Any idea what “MWt” is? I'd guess it's the total amount produced (i.e., nameplate power × capacity factor) as the demonstration turbines seem to be 1.5 MW each.
    • CommentAuthortony
    • CommentTimeSep 16th 2013
     
    It is very good news

    It is silly to quote figures of how many homes they could provide power for, hopefully they will be able to provide for increasing numbers of homes.

    I would prefer to have seen the turbines with open centres and less dangerous (to marine creatures) but am dead happy to see it starting, all be it a generation too late.

    And yes tidal could provide all our energy needs.
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 16th 2013
     
    Posted By: Ed DaviesAny idea what “MWt” is?
    Usually thermal, e is electric, g gravity, c chemical. But no standard on it.
    Of and H is hours :wink:


    Posted By: tonyIt is silly to quote figures of how many homes they could provide power for
    They just do that to make it sound more human, if an average household uses 3 MWH/year, it is easy to imagine what what they are producing. Trouble is we all fell asleep in our maths and physics lessons.
    • CommentAuthorSeret
    • CommentTimeSep 16th 2013 edited
     
    Posted By: tony
    And yes tidal could provide all our energy needs.


    Not by a long shot I'm afraid Tony. The UK needs about 400TWh of electricity per year, the technical potential for tidal stream is only about 36TWh. Actual economic potential would be lower than that.

    Good news to see bigger tidal stream plants going in though. It means they must be getting on top of some of the durability challenges.
    •  
      CommentAuthorjoe90
    • CommentTimeSep 16th 2013
     
    Roll on a similar scheme for the Severn (or a barrage)
    • CommentAuthortony
    • CommentTimeSep 16th 2013
     
    There will never be a barrage, I would like to see one but too many pressure groups, public enquiries etc will sink it

    Lagoons, yes and sooner the better
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 16th 2013 edited
     
    Posted By: tonyThere will never be a barrage
    And at the rate our coalition government can make a decision on energy policy and energy infrastructure we won't get anything new. :devil:
    • CommentAuthorJonti
    • CommentTimeSep 16th 2013
     
    <blockquote><cite>Posted By: SteamyTea</cite><blockquote><cite>Posted By: tony</cite>There will never be a barrage</blockquote>And at the rate our coalition government can make a decision on energy policy and energy infrastructure we won't get anything new.<img title=":devil:" alt=":devil:" src="/forum114/extensions/Vanillacons/smilies/standard/devil.gif"></img></blockquote>

    The previous government was no better, quicker or greener and that in a time when the UK was awash with money. I will quite happily blame them for not sorting out the problem when they had the chance.

    Jonti
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 16th 2013
     
    Yes, they had a half baked attitude to the whole problem.
    I think the Thatcher government was the last one that made a difference, whether you agreed with the policy of not.

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