American Transmission Co.

PO Box 47, Waukesha, WI 53187

ATC is energizing your future. Behind the scenes of everyday life, our people ensure you have the electricity you need, when you need it. As an electric grid owner and operator, we are a vital connection between where energy is generated and where it is needed. We move energy along the regional electric grid for over 5 million electric consumers in parts of Wisconsin, Michigan, Minnesota and Illinois. As the electric industry transitions toward new generation sources and technologies, we are evolving our system to continue delivering safe and reliable energy. Our work offers current and future ATC employees exciting opportunities to build meaningful careers. We are also empowering the next generation of utility professionals through our support of STEM education.

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3.4

Overall Excellence Rating

Industry

Utilities

Category

Energy & Utilities

ESG/Ethical Impact

By 2029, we expect more than 50% of the power we transmit will come from carbon neutral energy sources. The Midcontinent Independent System Operator developed a portfolio of 17 Multi-Value Projects that will enable 41 million megawatt hours per year of wind generation and help reduce carbon emissions by 13 to 21 million tons annually. ATC is proud to be part of this expansion of infrastructure for more renewable energy by permitting, constructing and operating three of the MVPs (two currently in service; Cardinal-Hickory Creek is scheduled to be in service in 2023). The transmission system is the vital connection between renewable energy producers and electric consumers. As our region continues to move to renewable sources – like wind and solar – it’s our job to ensure that consumers receive that energy in a timely and reliable manner. ATC’s environmental commitment is woven through everything we do – all day, every day. Whether it’s our transmission line projects, our involvement in the community, or our right-of-way maintenance activities, protecting the environment is a priority that is aligned closely with the way we conduct our business. Compliance and impact reduction – Leading by using new and innovative approaches in complying with regulatory requirements, reducing environmental impacts, controlling costs and serving our customers.

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Awards Received

2023

Revenues

$744,400,000.00

Website Traffic

Employee Rating

4.1

Customer Rating

3.4

Company Size

100-1000

ESG Risk Rating

3

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