ROSEMEAD (AP) — Work has begun on 200-foot electrical transmission towers bringing wind farm power from the Tehachapi Mountains to urban Southern California.

The $3.5 billion project is the biggest in Southern California Edison history. The line will carry 4,500 megawatts, enough to power 3 million homes.

It will increase power grid reliability and help Edison reach a state-mandated goal that at least 20 percent of its energy be from renewable sources by 2017.

The Pasadena Star-News says Edison completed three segments that bring energy purchased from independently owned Tehachapi wind farms near in Kern County to the high desert of Los Angeles County.

Starting this year, the utility starts work on towers bringing power lines over the San Gabriel Mountains to substations in La Cañada Flintridge, Pasadena, Monterey Park, Irwindale and Chino.

(© Copyright 2010 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)


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