ABB wins $87 million order to expand capacity of Los Angeles transmission system

Zurich, Switzerland, Dec. 16, 2008 — ABB won an order worth $87 million to expand and strengthen the power transmission network in the Los Angeles, Calif., area so that more electricity from renewable sources can be delivered. Intermountain Power Agency (IPA) with the operating agent, Los Angeles Department of Water and Power (LADWP) selected ABB to increase the capacity of the 22-year-old intermountain Power Project Southern Transmission System (IPP STS) by 25 percent to 2,400 MW by 2010. The upgrade is part of LADWP’s goal to bring 20 percent of power to customers from renewable energy sources by the end of the decade.

ABB’s upgrade of the high-voltage direct current (HVDC) system will include a control and protection system, MACH2, as well as efficient cooling systems for the valves that convert the current from AC to DC and back, and additional AC filters to strengthen the quality of the power supply.

The project implementation for LADWP will cause minimal disruption to existing services, with 75 percent of the system’s capacity being maintained during the refurbishment. LADWP, the largest municipal utility in the U.S., delivers reliable water and electric service to around 3.8 million residents and businesses.


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