A team of researchers has found that among tightly situated wind farms in German waters, wind speeds at the downstream windfarm are significantly slower. As the researchers write in the journal Nature Scientific Reports, this braking effect results in a large-scale low-wind pattern noticeable in mean wind speeds. On average, they extend 35 to 40 kilometers – in certain weather conditions up to 100 kilometers. The output of a neighbouring wind farm can thus be reduced by 20 to 25 percent, which, of course, has economic consequences.
