Though there are some alternatives for generating power like nuclear energy, it is not possible to purchase a small nuclear generator from the market. But a home built system could easily help you cut down your electricity bills by a few thousand dollars over the course of a year. This means your home built system should be able to pay off the initial investment involved to build your home wind turbine. Generally, wind turbine building plans make use of cheap and easy to find materials to make the various parts of the system. To make the building cost even lower, smart homeowners make use of old unused items that they can find in the garage or local scrap pile. For instance, the wind turbine blades can be made out of unused PVC pipes that you can obtain from the junkyard. The spinning of the blade cause a shaft inside the gearbox at the top of turbine to rotate.3. The shaft is connected to a gearbox which in turn starts rotating with increasing speed.4. The rotational energy is converted into electrical energy by a generator. This is achieved with the use of magnetic fields.5. The electricity from the wind turbines reaches the transformer which converts it to the correct voltage for the distribution system.6.Scandinavian countries 70% of the heating for domestic properties is produced by such things as ground and air source heat pumps. These are fantastic things, when I first heard about them I could not believe how much energy could be produced from essentially nothing. There is of course the electricity used by the pumps but this could be produced by solar photovoltaic cells or a wind turbine. Solar thermal panels are capable of providing 70% of a households hot water requirements. Some heat pumps will provide all heating and hot water requirements.
Source: Wind Farms