The turbines can produce electricity with less wind than horizontal axis generators. Problems There are also problems with wind turbines. Birds fly in the blades and they are slaughtered. Patterns have been put on the blades to make them more visible. Sound is another problem.
Wind turbines produce a lot of noise.
Most of the wind farms are out in the desert and this has helped a lot with that problem. They also interfere with television and radio reception. This poses a big problem and people do not like these problems, they just want to get the electricity. The first wind turbine was erected in Russia in 1931. The second was built in 1941 in Vermont on a hill called Grandpa s Knob.