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Additionally some may choose to use a bank of batteries in order to store electricity in the system for times of low wind speeds. When it comes to choosing a system it helps to do research before purchasing a system. There are units that may be so expensive that it becomes cost prohibitive. On the other hand, there are systems that are very affordable and could easily be set up with a little bit of elbow grease. Even top systems require maintenance due to the result of the mechanical nature of this method of power generation. Wind turbines account for a small percentage of energy generation globally. Often people suffer from power cut problems just because they are unaware of the scopes of generating electricity at home with home wind turbines. There is a simple principle called “Transformation of energy” based on which these turbines work. With the use of affordable materials, you can easily devise some of these parts for assembly of an effective energy-producing device. To begin with, the design of the wind turbine blades is the most important factor in defining the efficiency of your windmill in generating electricity. The horizontal spinning blade that resembles an airplanes propeller is one of the most ergonomic designs that can effectively capture strong winds. The wind power is simply used to rotate the magnetic field around the coil thus creating the kinetic energy that is then converted into electricity. In residential applications where the wind turbine is integrated with the home electrical system, a minimum wind speed of approximately 8-10 miles per hour is required to generate electricity. Below this speed the wind turbine will not provide an output, and the utility grid provides the homes power.