Pleasant Prairie-Zion Energy Center
American Transmission Co. in 2012 received approval from state regulators to construct an approximately 5-mile, 345,000-volt electric transmission line from the Pleasant Prairie Substation in Pleasant Prairie, Wis., to the Zion Energy Center Substation in Zion, Ill. ATC studies indicate that the project will:
Provide savings for electric utilities and their customers.
- The project will help relieve transmission system congestion throughout the region and enable the most efficient generators to supply power to the energy market.
- The line will allow utilities to buy and sell power when it’s economic to do so.
Improve electric system reliability, locally and regionally.
- The project adds an additional high-voltage line to strengthen the interstate transmission connection between Wisconsin and Illinois.
- The new line will allow for better regional access to emergency sources of power generation.
Project at a Glance
Area benefited: | Southeastern Wisconsin, Northeastern Illinois and the Midwest region |
Line length: | Approximately 5.3 miles |
Voltage: | 345,000 volts |
Estimated cost: | Approximately $36 million |
End points: | The northern end point will be the Pleasant Prairie Substation in Pleasant Prairie, Wis. The southern end point will be the Zion Energy Center Substation in the Zion, Ill. |
ICC Docket ID: | 11-0661 |
PSC Docket ID: | 137-CE-161 |
Schedule*
Public outreach: | 2011-2012 |
File application with Illinois and Wisconsin regulators: | Fall 2011 |
Received approval from PSCW and ICC: | May 2012 |
Begin construction: | Late 2012 |
In-service date: | December 2013 |
*Dates are anticipated and subject to changes |
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