The City of Los Angeles agreed to a 20-year purchase agreement that will provide L.A. residents and businesses with 185 megawatts of renewable wind-generated energy.

The Department of Water and Power is slotted to receive most of the wind energy about 92.5 percent produced by a 200-megawatt capacity wind generation facility being developed in Millard County, Utah.

The agreement is with Newton, Mass.-based UPC Wind LLC and was approved Thursday by the Southern California Public Power Authority, acting on behalf of the LADWP as well as the cities of Burbank and Pasadena.

The measure must still be approved by the LADWP Board of Water and Power Commissioners and the Los Angeles City Council within the next 90 days. The wind project is expected to be ready for commercial operation by the end of 2008.

LADWP said that its 185-megawatt share of the Milford Wind Corridor Phase 1 project represents enough power to serve about 39,000 homes and meet 1.9 percent of the city’s renewable energy goal of 20 percent by 2010.