AEP’s PSO Unit Responds to Worst Ice Storm in Oklahoma History

All photos courtesy of Public Service Company of Oklahoma.

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December 2007 brought to Tulsa and parts of northeastern Oklahoma the worst ice storm in the history of American Electric Power,s Public Service of Oklahoma unit. PSO had 226,000 customers without service in Tulsa, which is about 78 percent of the utility,s customers in that city. The ice storm downed thousands of power lines, and the Tulsa urban forest was essentially leveled in many locations.

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At the storm,s peak, approximately 260,000 PSO customers were without service across the utility,s Oklahoma service territory (about half of its customers statewide). Approximately 226,500 customers were without service in the city of Tulsa (78 percent of PSO,s Tulsa customers). Statewide, more than 600,000 customers in Oklahoma were without power.

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The ice storm in Tulsa resulted in 750 to 800 broken distribution poles and approximately 150 broken transmission poles.

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More than 4,600 restoration workers from across the United States came to Tulsa to help PSO crews bring the lights back on-that,s compared to 600 distribution workers normally engaged in Tulsa. The field restoration workforce PSO managed consisted of 2,400 line workers and 2,200 tree trimmers.

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From Dec. 9-19, PSO,s Customer Solutions Center fielded more than 512,600 calls. Utilities who sent workers to assist Tulsa,s PSO in its restoration efforts included Allegheny Power, Appalachian Power, CenterPoint Energy, Entergy, Georgia Power, Kentucky Power, Progress Energy, Southern Company and Southwestern Electric Power Co. The utilities, line contractors, tree-trimming crews and others involved in the massive restoration effort used the Tulsa fairgrounds as a base of operations.

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The Clarion Energy Content Team is made up of editors from various publications, including POWERGRID International, Power Engineering, Renewable Energy World, Hydro Review, Smart Energy International, and Power Engineering International. Contact the content lead for this publication at Jennifer.Runyon@ClarionEvents.com.

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