1.5 MW generators. Three subsequent projects 150 MW Alta III, 102 MW Alta IV, and 168 MW Alta V projects were completed in the 2nd quarter of 2011 using 50, 34, and 56 3 MW Vestas V-90 wind turbines. Alta VIII and Alta VI projects, comprising 300 MW, were completed in late 2011/early 2012, but they were renamed Brookfield Tehachapi 2 and Mustang Hills respectively. Alta VII and IX projects comprising 300 MW, were completed in December 2012 (bringing the total to 1320 MW), but they were renamed to Pinyon Pines Wind I and Pinyon Pines Wind II. 138 MW Alta X and 90 MW Alta XI are under development with scheduled completion in late 2013, 180 MW Alta XIII in 2019. Overview Electricity production See also Tehachapi Wind Resource Area Wind power in California Wind power in the United States Ivanpah Solar Power Facility References External links Cleanenergyactionproject.com: Alta Wind Energy Center Wind farms in California Buildings and structures in Kern County, California Tehachapi Mountains Energy infrastructure completed in 2010 2010 establishments in California Southern California Edison