Wednesday, September 30, 2009

Building Wind Power Generators To Power Your Home


By David Sullivan

In the future, all of our energy will come from renewable sources. With traditional gas and energy costs skyrocketing, it is apparent that we need to find new ways to make energy production which are sustainable. We need to change our thought process about how we use the Earth and begin to convert our old energy grid into something sustainable.

Many people have already begun to think this way. Problems that we have previously had with renewable energy have been solved and new engineering breakthroughs have allowed us to take the next steps toward a completely sustainable future.

With good blueprints, even homeowners inexperienced in engineering or construction can create their own renewable energy sources, such as wind power generators.



Homebuilt wind turbines can make as much power to reduce the average household's power bill by 60-70%. The right advice can show you how many people make their wind power generators for as little as $200 US.

They can be built with basic tools and parts from a local hardware store. You can estimate the amount of power a generator creates using the following formula:

Power(Watts) = (Wind Speed)^3 * (Blade Diameter)^2 * 0.00478

The speed of the wind is cubed, so it makes the most difference in your power output. For example, if you have a good average wind speed of 10mph and an 8 foot blade diameter, then:

W = (10*10*10) * (8*8) * 0.00478 = 305 watts/hour - x 24 hours and you can calculate 7.3 kWh generated per day by a wind power generator.

An average home uses about 12-20 kWh/day. Of course if you conserve your power you can reduce that to much less - even down to 5 kWh per day. So if you don't have a great average wind speed in your area, a wind power generator can significantly reduce your power bill, and it may only cost you $200.

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