Sweetwater Wind Farm is one of the largest wind farm

Wind farm

A wind farm is a group of wind turbines in the same location used to produce electric power. A large wind farm may consist of several hundred individual wind turbines, and cover an extended area of hundreds of square miles, but the land between the turbines may be used for agricultural or other...

s in Texas

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

. Construction of the 585 MW wind farm has proceeded in five stages, and some generating capacity is still being built.

Sweetwater stage 4 employs 135 Mitsubishi

Mitsubishi

The Mitsubishi Group , Mitsubishi Group of Companies, or Mitsubishi Companies is a Japanese multinational conglomerate company that consists of a range of autonomous businesses which share the Mitsubishi brand, trademark and legacy...

 1.0 megawatt wind turbines and 46 Siemens Wind Power

Siemens Wind Power

Siemens Wind Power, or SWP, is a wind turbine manufacturer with headquarters and main production facilities established in 1980 in Brande, Denmark. SWP is wholly owned by Siemens of Germany since 2004 through the Renewable Energy division in the Siemens Energy sector...

 2.3 megawatt turbines. Its output is being sold to San Antonio’s CPS Energy

CPS Energy

CPS Energy of San Antonio, Texas is the United States' largest municipally owned utility company, with combined natural gas and electric service. Fourteen percent of all utility revenues are returned to the City of San Antonio, and those revenues make up more than 20 percent of the City of San...

under a 20-year purchase agreement.

Construction of Sweetwater stage 5 began in February 2007, with completion expected by December 2007. Using 35 Siemens turbines, Sweetwater 5 will have a capacity of 80 MW.