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.

See 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.