Industrial wind complex developers often state that turbine blade failure or debris throw are very rare occurrences. However, that statement is not accurate. Below are examples of turbine blade failure and some statistics concerning same.
Caithness Wind Turbine Accident Summary – This report summarizes Wind Turbine Accident data up through December 31st, 2010.
Dekalb Turbine Blade Failure – In Dekalb County, Illinois, residents blog about what life is like now that the turbines have been installed. This PDF is an excerpt from the blog where they write about and post pictures of the failure of the turbines including oil leaking from the turbine into the ground, and the blades shattering.