This paper describes the planning, specification and design of the 500 kV Static Var System (SVS) installed on the Southern California Edison network at Devers Substation. The Devers SVS includes a static var compensator (SVC) a form of flexible alternating current transmission system (FACTS) technology and a controlled mechanically-switched shunt capacitor bank. The Devers SVS project is one of several planned projects to increase power imports into the Los Angeles basin from generation sources east of the Colorado River (EOR). A follow-up paper is planned which will present the construction and final commissioning of the Devers SVS at project completion expected in September 2006.

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