Offshore Wind Turbines Stay In Bed 4 Of Every 5 Workdays!

  1. 6,010 Posts.
    What follows below is a graphic that proponents of the offshore wind energy industry don’t want anyone to see. It tells the whole story about how (in)efficient and (un)reliable German offshore wind energy really is (Hat-tip:

    Chart shows the installed nameplate offshore wind capacity (shaded green) and the actual output (blue shaded area) since 2009. Wind’s poor performance and unreliable, wildly fluctuating supply disappoint and risk sinking Germany’s “Energiewende”. Chart source: R. Schuster.
    Schuster writes:
    If you divide the power fed in (blue) by the rated capacity (green) you get the percent of the rated capacity that actually gets fed into the grid. The linear trend shows a negative tendency – towards 20 percent of the rated capacity. That means: Despite the massively increased capacity in 2014, hardly more power has ended up getting delivered compared to the start of the year. Only one fifth of the rated capacity actually gets fed in.”
    Many proponents used to argue that the wind is always blowing at the North Sea, and so a steady supply was a sure thing. Now we have real results coming in. That “steady” wind is only delivering 20% of the installed rated capacity. A fiasco.
    Schuster also says that offshore turbines have serious technical problems as well. Foundations are being washed out from underneath; there’s corrosion, and overloads that lead to turbine shutdowns. The harsh conditions of the North Sea a proving much tougher to handle. -
    Yesterday, February 4, we saw very little wind power getting fed into the grid, less than a gigawatt from a nameplate capacity of some 55 gigawatts of installed capacity – less than 2%! On February 4 wind and solar together virtually fed in almost nothing into the grid. If it had not been for coal, gas and nuclear, the country would have gone dark. - See more at:
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