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01/13/2011 04:50 pm ET Updated May 25, 2011

Alternative Energy: Los Angeles Reaches Goal 20% Of Power From Renewable Sources

Los Angeles Mayor Antonio Villaraigosa celebrated an environmental milestone on Thursday, confirming what had been predicted for much of last year: the Department of Water and Power managed to secure 20% of its power from renewable sources, including wind and solar power, in 2010.

Villaraigosa promised to reach that goal during the 2005 election campaign. Sustaining it may be another matter, according to a draft report issued two months ago by the DWP, the nation's largest municipally owned utility.

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