The manufacturer will also provide information on the maximum wind speed at which the turbine is designed to operate safely. The manufacturer can provide you with the expected annual energy output of the turbine as a function of annual average wind speed. ![]() A 1.5 kilowatt wind turbine will meet the needs of a home requiring 300 kWh per month in a location with a 14-mile-per-hour (6.26-meters-per-second) annual average wind speed. Depending on the average wind speed in the area, a wind turbine rated in the range of 5 to 15 kilowatts would be required to make a significant contribution to this demand. Wind turbine manufacturers can help you size your system based on your electricity needs and the specifics of local wind patterns.Ī typical home uses approximately 10,000 kilowatt hours (kWh) of electricity per year (about 830 kWh per month). Because energy efficiency is usually less expensive than energy production, making your house more energy efficient first will probably be more cost effective and will reduce the size of the wind turbine you need. For residential applications, you should establish an energy budget to help define the turbine size you will need. Turbines used in residential applications can range in size from 400 watts to 100 kilowatts (100 kW for very large loads), depending on the amount of electricity you need to generate. Wind-electric pumping systems can be placed where the wind resource is the best and connected to the pump motor with an electric cable. In addition, mechanical windmills must be placed directly above the well, which may not take the best advantage of available wind resources. Although mechanical windmills still provide a sensible, low-cost option for pumping water in low-wind areas, farmers and ranchers are finding that wind-electric pumping is a little more versatile and they can pump twice the volume for the same initial investment. Wind energy has been used for centuries to pump water and grind grain. The smaller or “micro” (20- to 500-watt) turbines are used in a variety of applications such as charging batteries for recreational vehicles and sailboats.ġ kilowatt to 10 kilowatt turbines can be used in applications such as pumping water. Small turbines range in size from 20 watts to 100 kilowatts (kW). The size of the wind turbine you need depends on your application.
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