Gallery: Seven Vertical Axis Wind Turbines Added To London’s 2012 Olymp...


The Olympic Delivery Authority has installed vertical axis wind turbines in London’s Olympic Park after plans to place a single, giant wind turbine fell through. The London 2012 Olympic Games has received some flak for not meeting its green targets and failing to be the ‘Green Olympics’ that it promised to be, but the installation of the seven qr5 turbines suggests that Olympic organizers are still attempting to meet their sustainable goals.

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1 Comment

  1. save energy August 1, 2012 at 6:01 am


    some simple maths –

    From the Guardian article-
    “The 18-metre tall turbines BOAST 8kW of capacity and CAN provide up to 7,500 kWh of power a year IF average wind speeds reach seven metres per second.”
    (Note the words – 18-metre tall – BOAST 8kW – CAN – IF.)

    The seven wind turbines which have been installed have a total installed capacity of 7*8 = 56kW.

    According to the UK Wind Speed Database the area only gets 5m/sec at 25m ht – that reduces output by approx 1/3rd = 37.3kWh

    But ….. According to Dept of Energy & Climate Change , on-land wind load factor = 26% so reducing that to aprox 9.3kWh

    “for high-powered streetlights” assume 100w/lamp = 93 streetlights.

    £280,000 to power 93 streetlights !!!! WTF that’s over £3,000 each

    And you still need a conventional power plant for the other 74% of the time of low/no wind production – or the lights go out.

    That’s the folly of wind

    (They do look nice though)

    I just looked at the Nordic power system site.
    The Cost €/MW
    Norway- 0.2% Windpower = 10
    Sweden -1.3% Windpower = 10
    Denmark- 21% Windpower = 48

    Cheap abundant “green” energy….it’s a scam

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