Few things should keep in mind:
Location: good wind!! – Most lands with good wind have been taken. If you just found a land with good wind, luck of you!!
Survey: Have to have the wind history in the past 10 years, and one or two-year’s monitoring down the road from wind specialists
Existing transmission lines available
Government support confirmed
Local energy company support confirmed
Operation and production confirmed
Maintenance and monitoring
Financial
………….
Do your own homework. High return always comes with high risk. -- good luck