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Greensburg, PA, Dec. 6, 2007 -- Allegheny Energy Inc. announced the installation and startup of what they're calling the nation's largest static VAR compensator (SVC), located at its Black Oak Transmission Substation, near Rawlings, MD.
The new SVC will enhance the reliability of Allegheny's 500kV Black Oak-Bedington transmission by quickly changing reactive power levels to control the line's voltage.
"In addition to improving reliability, the SVC will enable increased transmission capacity across the PJM region," said David E. Flitman, president, Allegheny Power and Trans-Allegheny Interstate Line Co.(TrAILCo). "Enabling more power to flow on existing lines is an efficient use of resources and an important step in keeping pace with the region's increased demand for electricity, but it doesn't negate the need to add new transmission lines to ensure continued reliability."
The project was initiated as part of PJM's Regional Transmission Expansion Plan, and completed by Allegheny's TrAILCo subsidiary. The PJM plan identifies upgrades and additions to ensure the reliability of the electric transmission system throughout its multi-state region. Two other transmission expansion projects are the Trans-Allegheny Interstate Line, a proposed 500-kV line extending from southwestern Pennsylvania to West Virginia and northern Virginia, and the Potomac-Appalachian Transmission Highline, a proposed project extending from southwestern West Virginia to central Maryland.
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