So you're Thinking of Installing a Domestic Wind Turbine

Considering installing a domestic wind turbine?  There are plenty of reasons to do it, primarily saving money on electricity and helping the environment.  (See the page on this site about renewable energy credits).

These machines can be a cash drain if not installed correctly.  There are some basic formula you'll want to know about:

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*  Rotor area corresponds directly to average power in the domestic wind turbine.  Now, think "cubed".  This refers to math.  If you're not a big math-head, that's okay.  What it means is that every time you increase the length of a rotor blade, you increase the power you produce by THREE times.  There are small losses of course, so it isn't exactly three times, but close.  When you have three rotors on that turbine, you're talking about a fairly large increase in power.

*  A domestic wind turbine will require an inverter to convert the DC power it produces back to AC that you can use in your home or sell back to the power company.  Here's a weird secret:  The turbine actually produces AC!  Why not just transfer it directly to your home you ask?  AC alternates, or switches direction, so many times per second.  The thing is, the turbine spins at whatever the current wind speed is.  It's not always going to hold an exact speed.  Hence, the inverter is needed to convert the power to a smooth, steady AC signal.

*  Cutt-in speed is the speed at which the turbine starts to produce actual, usable power.  Some manufacturers make it sound like their turbines can produce electricity at any speed.  I have never found this to be the case. 

*  You can easily make a domestic wind turbine of your own!  Why buy?  If you're the kind who's good with constructing things, give this a shot!  It will save you money!

Click here for the Earth4Energy guide with professional step by step domestic wind turbine installation instructions.