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Background
- Began operations Jan. 1, 2001, as the first multi-state transmission-only utility
- Companies that transferred transmission assets or cash to ATC now are equity owners
- A transmission-owning member of the Midwest Independent Transmission System Operator
- Regulated by the Federal Energy Regulatory Commission for rates and tariffs
- Regulated by states for siting transmission infrastructure
- Headquartered in Pewaukee, Wis., with approximately 500 employees working in Wisconsin, Michigan and Washington, DC
Assets
- 9,350 circuit miles of transmission line
- 500 substations (wholly or jointly owned)
- $2.2 billion in total assets
Operations
- Two system operations centers
- Peak demand:
69,459 GWH
- 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
- $1.7 billion investment since 2001
- Upgraded more than 1,200 miles of lines
- Built 30 new lines (327 miles); 12 new substations
- Improved 103 substations
- Supported 828 megawatts of new electric usage
- Connected 2,768 megawatts of new generation at 13 sites
- Increased import capacity by 1,000 megawatts
- Approximately $2.8 billion investment planned over the next 10 years based on our 10-Year Transmission System Assessment
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