American Transmission Co. projects

Project website for a Wisconsin-based company that owns and operates the high-voltage electric transmission system that powers communities in portions of the Upper Midwest.

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ATC improves electric reliability for Racine-Kenosha area

Work includes equipment replacement and vegetation management

PEWAUKEE, Wis. – American Transmission Co. recently wrapped up reliability improvements to the electric transmission system that serves portions of Racine and Kenosha. Approximately $5 million was spent to install optical ground wire, modify structures, replace insulators and upgrade substation equipment. In addition, ATC is conducting vegetation management activities to remove incompatible vegetation in the project area to ensure the safety and reliability of the line. This work is expected to conclude in spring 2011.

Some of the components, including insulators and protective equipment on portions of the 138,000-volt transmission system, had been in service more than 70 years. “This type of equipment is built to last many decades, and it generally has performed well,” said project manager Mike Kamarainen. “But the deteriorating condition, including rust and corrosion, meant the time had come to replace and retire a number of components.”

According to Kamarainen, periodic outages have been a problem in recent years. “The completion of this project allows ATC to provide direct connectivity to its control centers and helps strengthen electric reliability in the Racine and Kenosha areas,” he added. “The vegetation work adds another level of safety and reliability to the system in the area.”

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ATC is a Wisconsin-based company that moves energy along the regional electric grid in parts of Wisconsin, Michigan, Minnesota and Illinois, serving more than 5 million electric consumers. We are experts at what we do: planning, maintaining, operating and protecting the grid. As the electric industry moves toward renewable generation sources, we are transforming our system to continue delivering energy reliably and safely. We proudly support STEM education programs that empower youth with the skills needed to succeed in tomorrow’s energy workforce. For more information, visit and follow us on LinkedIn and X (Twitter).