Like any wind power system, power can be generated anytime, day or night — as long as the wind is blowing. In some locations, wind is virtually a constant (magnitudes may vary, but output power is always available). Wind speeds vary over terrain, so you can find locations on your property that provide maximum potential. Ridge lines, coastlines, and the tops of barren hills are the best candidates.
¿cjABEft Obstructions such as trees, houses, barns, and the like all affect wind speed.
And because wind direction varies, obstructions in one direction may or may not be important in other directions. The best bet is to stay well away from all obstructions, and this may be prohibitive because of the topography or layout of the site.
Wind is available almost everywhere, in all climates. In many of the worst climates, it's very powerful. That being said, extremely high wind conditions may destroy or damage a unit. Turbines want a minimum amount of wind to begin working, but they also don't want to be subjected to tornadoes. Unlike with large-scale turbines, small turbines don't include a safety feature that tucks the blades away during potentially damaging wind. And unfortunately, a lot of small turbines are installed by inexperienced hands, and this makes the danger even more pronounced.
Rotors are noisy and obtrusive when they're spinning (which they're hopefully doing quite a bit). The bigger the blades, the more power they'll generate, but they also make more noise because they're in contact with more air. In some communities, you may be prevented from installing a wind turbine due to noise and visual blight issues. You may like that big propeller whirring away in the sky, the noisier the better, but neighbors may take a dim view.
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