Small wind energy has many benefits:

Environment - Wind turbines produce no air pollution.
Energy Independence - Reduced dependence on the grid.
Cost - One of the most cost-effective ways to produce your own electricity
Remote Electricity Generation - Wind is a great option for off-grid applications
Complements Solar PV - Wind and solar can work well in a hybrid system.

Visit the links below for more details on the benefits of small wind as well as some of the issues you need to be aware of.