Home Built Wind Generator Power
Wind energy is a plentiful renewable resource. Many people are taking advantage of the wind’s limitless power with wind generator systems. Each system works to increase its power output for household use. Home built systems are no different.
The purpose of a wind generator is to turn kinetic wind energy into electricity. How much power is produced is proportional to the speed of the wind hitting the turbine. The winds need to reach a certain speed to begin producing electricity—at least seven miles per hour. The motor works to turn all of this energy into electricity.
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How Much Power Does a Commercially Manufactured Wind Generator Produce
Electrical output capacity is measured in watts. It is the smallest unit of measure for power. One kilowatt equals 1,000 watts. One megawatt equals one million watts. You get the picture.
Every appliance and energy need in your home has certain wattage. This means that a certain amount of watts are consumed in order for that item to work as it should. Power consumption and production are measured in kilowatt hours. A sixty watt light bulb will use sixty watts of electricity every hour that it is on. If you leave the bulb on for ten hours, then 600 kilowatt hours will have been consumed.
Here is the equation: 60 watts x 10 hours = 600 watt hours.
We will use the same principles to examine the amount of power generated by manufactured wind generator systems. The power output of a wind power generator depends on the size of the turbine and how fast the wind moves through the turbine. The powers rating will be higher in areas where the wind blows faster.
Commercial wind generators are rated for production of anything from a few hundred watts to around five megawatts. It all depends on your home energy needs as to which system you would buy. But, we are building a generator so how much energy needs to be produced depends on the energy need in the home.
Most households consume around 10,000 kilowatt hours each year. This breaks down to about 800 kilowatt hours consumed each month or roughly 800,000 watts. Your wind turbine will have to generate at least 1,000 kilowatt hours every month to meet consumption needs and still store a bit of energy for future use.
It will take a 10 kW wind turbine rotating at a speed of twelve miles per hour to produce the amount of kilowatt hours for a typical family home for a year. Not all areas have twelve mile per hour winds. Some are faster which will produce more energy and some are slower which will generate less than 800 kilowatt hours a month. Either energy will be pulled from the grid or you can lower energy consumption so as not to exceed what your wind generator can produce.
How Much Power Can a Home Built Wind Generator Produce
A home built wind generator can be fashioned to provide the amount of electricity that you need for daily consumption. If you are living on the grid, don’t let your utility company go just yet. It will take some tweaking to find the proper wind speed that will do the trick.
First, check with the weather service or local weather station for statistics on the average wind speed in your area. Remember that the wind speed has to be at least five miles per hour on average for the wind generator to work. For the amount of time and effort that goes into the construction of a wind turbine you’ll want at least fifty percent of your electricity needs to come from it.
Since the average household monthly usage is about 1,000 watts, that is what you are aiming to produce with your home built generator. To even hope of gaining that much power the rotor blades should measure at least eight feet in diameter and have an average wind speed of 20 miles per hour. If your yard is too small for such a large tower, use smaller blades. Our goal is at least fifty percent reduction in utility bills.
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Are you ready for such a labor intensive project? If you are committed to it, building a tower for $200 as opposed to spending thousands of dollars on a manufactured system is worth the effort.