PECO conducting aerial line inspections to ensure continued reliability

Philadelphia, PA, April 1, 2008 — PECO is conducting helicopter inspections of its transmission lines as a part of the utility’s regular program to ensure safety and reliability.

The company has contracted Haverfield Airship to perform infrared and visual inspection of more than 1,000 miles of transmission lines in PECO’s six county service territory. The infrared equipment detects portions of the lines that may need to be repaired or replaced, while visual inspections of other aerial equipment like conductors and transmission towers identify potential damage due to weather, such as high winds or lightening strikes.

During the coming weeks, a helicopter will fly approximately 12 to 20 feet above transmission lines and structures to perform the inspections.

“Like the rest of our electric system, transmission lines are exposed to weather related elements all year long,” said Craig Adams, PECO COO. “Extreme temperatures, high wind, and lightening can have an effect on conductors, switches, clamps, and other equipment. Conducting these inspections helps ensure we can fix these problems before they cause a power outage.”

PECO owns approximately 1,035 miles of above ground transmission line in Bucks, Chester, Delaware, Montgomery, and Philadelphia counties. The company conducts helicopter inspections of all of its transmission lines annually.

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