I just drove through an area in Illinois with a lot of wind turbines. They’re not all oriented in the same direction. It looked like there was at least a 30 degree difference in the direction they were facing. How do they determine the orientation of each of them?
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Yo only need to orient them correctly vertically. They can rotate around horizontally so they always point into the wind.
What you have seen is slight differences in current wind direction for different wind turbines
Each turbine has a wind anemometer on top that measures speed and wind direction. The turbine is then turned into the optimal position which can vary even in a small area.
They orient themselves. Some kind of sensor or mechanism determines the wind direction, and the turbine rotates to point that way.
I had a friend that was part of a team that traveled around and put up “miniature” ones so they could monitor the winds for a period of time to determine if it was a viable spot to install a fully functioning turbine.
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