The Roscoe Wind Farm ( 781 MW ) is the world 's largest wind farm . Other large wind farms in Texas include : Horse Hollow Wind Energy Center , Sherbino Wind Farm , Capricorn Ridge Wind Farm , Sweetwater Wind Farm , Buffalo Gap Wind Farm , King Mountain Wind Farm , Desert Sky Wind Farm , Wildorado Wind Ranch , and the Brazos Wind Farm . Airtricity 's fourth Texas wind farm , the 126 MW Champion Wind Farm project , recently commenced construction five miles ( 8 km ) from the Roscoe Wind Farm site .