ComEd installs 4.8 miles of upgraded transmission

CHERRY VALLEY—To meet growing electrical demand in communities from Rockford to Belvidere, ComEd has installed 4.8 miles of upgraded transmission line coming out of the Cherry Valley substation.

The $2.7 million initiative adds 155 megawatts of capacity to improve reliability for customers.

Completed earlier in March, the upgraded 138-kilovolt transmission line increases local capacity by 35 percent.

The line runs north from the Cherry Valley substation (near Perryville and Linden Roads) to an east-west transmission line connecting substations in Rockford and Belvidere.

In addition, the project includes improvements to the Cherry Valley substation, such as upgrading the circuit breaker to enhance the equipment’s long-term efficiency and reliability.

“Investing in our system to meet demand in growing communities is an important way we meet our commitment to keep the lights on and provide reliable service,” said John Costello, ComEd’s executive vice president and chief operating officer. “Our customers depend on us to deliver power when they need it most. This, and other projects, will help us do just that.”

Since 2001, ComEd has invested more than $3 billion to expand, upgrade and maintain the reliability of its system serving the company’s 3.7 million customers in northern Illinois.

In addition to infrastructure investments, the company performs regular maintenance work to ensure reliable electricity supply, such as vegetation maintenance to free electrical lines from interference, system engineering to achieve optimal equipment operations, and regular visual inspections of above ground electrical lines.

From the April 19-25, 2006, issue

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