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Background
- Began operations Jan. 1, 2001, as the first multi-state electric transmission-only utility
- Companies that transferred transmission assets or cash to ATC now are equity owners
- A transmission-owning member of the Midwest ISO, Midwest Reliability Organization and Reliability First Corporation.
- Regulated by the Federal Energy Regulatory Commission for rates and tariffs
- Regulated by states for siting transmission infrastructure
- Headquartered in Pewaukee, Wis., with approximately 535 employees working in Wisconsin, Michigan and Washington, DC
Assets
- 9,400 circuit miles of transmission line
- 510 substations (wholly or jointly owned)
- $2.75 billion in total assets
Operations
- Two system operations centers
- 2009 Peak demand:
11,868 MW
- Service area includes portion of Wisconsin, Michigan, Minnesota and Illinois
- Peak electric demand is projected to grow at just under 2 percent; up to 8 percent in some areas; no growth in other areas
Construction Program
- $2.2 billion investment since 2001
- Upgraded more than 1,400 miles of lines
- Built 476 miles of new lines
- Improved 130 substations
- Supported 1,100 megawatts of new electric usage
- Connected 4,293 megawatts of new generation at 18 sites
- Reduced energy losses by more than 15 million megawatt hours
- Approximately $2.5 billion investment planned over the next 10 years based on our 2009 Ten Year Transmission System Assessment
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