Roscoe Wind Farm , UNITED STATES
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Roscoe Wind Farm , UNITED STATES
The final wind project in this list is located near Abilene in Texas , United States . Owned by E . ON Climate and Renewables , it spans 400km2 of land and comprises of 627 wind turbines . Constructed in four phases between 2007 and 2009 , the project has been operational for the past 13 years energydigital . com 71