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Enercon strobe effect problem

A 10 MW wind power station, the largest to date in the east German state of Saxony Anhalt, is being planned for installation on a disused lignite coal tip close to the now closed lignite power station Zschornewitz. The wind plant development company, Umweltkonto Windkraft, is still in the process of being set up, but hopes to have planning permission for the station by the middle of the year.

The Enercon 1.5 MW prototype installed at the company's headquarters in Aurich is currently being switched off on occasion because of the strobe effect of sun shining through its whirling blades. This is disturbing employees working in a neighbouring administration building. The Oldenburg Court ruled that from 1997 this restriction must be included in the operating licence granted by the town authority. Enercon says the restriction on the 1.5 MW unit will only apply for about two hours a day on sunny days in spring and summer.

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