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Electricity-generating wind turbines have been around for about a century now, and they’re still evolving. Perhaps more importantly, their prices have gone down steadily. Each basic category of wind turbine, of which there are a few, has its own specific attributes and is suited to certain applications.

Since they were introduced around 1930, large, commercial wind generators have improved in a number of ways. Among these enhancements are superior blade design (which itself is mostly thanks to newly available materials), greater efficiency, and improved reliability. In order to handle high winds on a consistent basis and thus produce a large amount of power, these turbines are usually made from especially heavy materials.

For that same reason, wind generators of this type are usually set up in areas that receive the highest winds, such as shorelines. Reliability is key for these kinds of wind generators, as their out-of-the-way locations mean that frequent repairs aren’t an option. Large-scale turbines often exceed 0,000 in price, which is due in large part to these factors.

The other major class of wind turbine is those designed for residential use. Residential areas, due to the presence of buildings and other obstacles, often have regular shifts in wind patterns, and this was a tricky problem for early residential-use turbines to overcome.

Early models also had problems with regard to weight. They would usually need special support structures, and they were only really able to generate much power from very strong winds. Most homeowners considered these early models too expensive and inefficient to be appropriate for them.

These problems are addressed by micro turbines, which are the latest type of turbine to be used in residential environments. These turbines usually don’t require the use of a tower, as they are capable of generating impressive amounts of energy from even low winds. There are some micro turbines on the market now that can be mounted on the roof of a house. By turning at all times, even in low winds, these small units output a steady stream of power. Starting at about 0, these micro turbines are also relatively inexpensive and are well within the range in which the electrical bill savings they provide will quickly justify their price

Depending on a number of factors, wind turbine cost can vary greatly. Some homeowners are even building their own wind turbines, which makes them even more affordable. All it takes are some common tools and the right instructions, and just about anybody can put together a wind turbine, and get the lifelong savings that come with it.

For information about the advantages and disadvantages of wind power, go to Advantages and Disadvantages of Wind Power.

For the greatest guide to making your own wind turbine, including step by step videos, go to Earth4Enegry Review.

For another guide to building a diy solar panel, visit How to Build a Wind Turbine.