American Transmission Co.
provides the pathway for power into communities in portions of Wisconsin, Michigan, Minnesota and Illinois.

ATC owns and operates the high-voltage electric transmission system that helps to keep the lights on, businesses running and communities strong.

Annual Report

Impact is the theme for our 2008 annual report. The report highlights our accomplishments in 2008 and describes our efforts to sustain the momentum of our impact

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Renewable Energy

Power lines bring renewables into communities.

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Learn More About Wind Power

Safety Statement
ATC and its partners will implement and sustain world-class safety practices that ensure the safety and health of its employees, contractors, our customers and the public.    Learn more...
Arrowhead-Weston
Benefits Report

ATC's 220-mile Arrowhead-Weston transmission line is providing new capabilities to the grid while benefiting local communities, the economy and the environment.

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10-Year Plan
ATC has identified an estimated $2.5 billion in work needed over the next 10 years to ensure that the transmission grid can reliably meet the electricity needs of people and businesses in communities throughout most of Wisconsin and Michigan’s Upper Peninsula. For more in-depth information go to: www.atc10yearplan.com
Connecting To The Grid

This Generation Interconnection Guideline is intended to supplement the Midwest ISO requirements and address ATC's role in that process.

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NEWS & INFO
ATC applies for permission to build power line in Door County
ATC enters two long-term construction contracts
U.S. Department of Energy selects ATC
applications for smart grid grants
ATC studies show need for $2.5 billion in investment
ATC completes 17-mile transmission line project in southeastern Wisconsin
ATC completes 104-mile transmission line project in central Wisconsin
ATC and Rock Energy Cooperative to discuss preliminary routes for new power line
ATC sponsors study of transmission options to
move renewable energy across Upper Midwest

Editorial: Look west for power grid upgrade

ATC identifies power line options to help Midwestern states meet renewable energy goals
ATC And Northeast Utilities Win 2009 Edison Award, Electric Industry's Most Prestigious Honor
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ATC is a Green Tier company, selected by the Wisconsin DNR for demonstrating superior environmental performance and continual improvement.
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