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However wind prediction techniques are now very good. At the very least you look at the average output of the turbines themselves. Sindens work shows that at the very worst you will only be 20% different in in hours time. But of course by the time you have got to an hour ahead, you will have had 59 intervening minutes to revise your prediction, so your forecasting error gets less and less.[[User:Engineman|Engineman]] 12:36, 3 April 2007 (UTC)
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4. There is the potential to add 6 GW at a cost of about £1billion 5. or 40 GW at say £7billion
5. Sinden's paper (http://www.eci.ox.ac.uk/publications/downloads/sinden05-dtiwindreport.pdf ) shows that it is rare that there are high winds simaltanoulsy over the whole of the UK meaning it would be relativley rare for the output of 140 GW of 35,000 turbines to exceed 100 Gw, meaing that virtually all power could be exported at that time - at which it has zero marginal cost, and can then be bouaght back as needed - from whoever on the continent can offer the lowest price - as there will alwasy be someone in the same position as us.
So it seems to me there is no doubt that the issue of intermittency does not stand in the way of 100% wind on the UK and any other large interconnected grid system.
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