An “engineering fault” has been blamed after the blades from a 252ft wind turbine broke free and fell to the ground. . Missouri's largest wind farm has operated at limited capacity for over four months due to turbine collapse investigations. Three turbines fell last year, prompting precautionary measures from the facility's owner, utility company Ameren, and the manufacturer of the turbines, Vestas. The collapse was so massive that it caused nearby houses to shake. NextEra Energy Resources owns the turbine and believes that “this was an isolated incident as turbine malfunctions are rare.
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