Bay Lake Project
American Transmission Co. is proposing to reinforce the electrical transmission grid in the Upper Peninsula of Michigan and northeastern Wisconsin to address generation changes, changes in demand, the evolution of a wholesale electricity market and emerging reliability concerns.
Although ATC has made reinforcements in the region in the past six years, the transmission upgrades have not kept pace with the changing needs. Reduced output from generating units at power plants in the region also has placed increasing importance on transmission.
The Bay Lake project will address these concerns and includes the following components:
When the Bay Lake Project was originally proposed, it also included a 345-kV line from the Morgan Substation to an expanded National Substation near Ishpeming, Mich. Work on that portion of the project has been deferred while MISO, the regional transmission planning authority, conducts a Northern Area Study to address a number of transmission proposals and issues in Manitoba, North Dakota, South Dakota, Minnesota, Wisconsin and Michigan.
The project will include substantial work at several existing substations and will require approval by Michigan and Wisconsin regulators along with various local and state permits.
ATC has a practice of engaging the public and other interested stakeholder in its proposed transmission line projects as a way to identify possible routes far in advance of filing a regulatory application. ATC began engaging the public through open houses in May 2012.
Learn more about ATC’s public involvement process.
|*estimates will be refined as project design becomes more detailed|
|Areas that benefit:||Upper Peninsula of Michigan and northeastern Wisconsin|
|Counties where facilities may be located:||Delta and Menominee in Michigan; Brown, Oconto, Outagamie and Shawano in Wisconsin|
|Line length:||345-kV – 45 miles
138-kV – 110 miles
|Voltage:||138-kV and 345-kV|
|Estimated project cost:||$118 - $177 million for 345-kV facilities
$175 - $238 million for 138-kV facilities*
|End points:||North Appleton Substation to Morgan Substation (345- & 138-kV lines); Holmes Substation in Menominee County, Mich., to Old Mead Road Substation in Escanaba, Mich. (138-kV line)|
|*Dates are anticipated and subject to changes|
|Public information and involvement, including routing and siting:||Spring 2012-ongoing|
|File regulatory applications in Michigan and Wisconsin:||Late 2013 and early 2014|
|Regulatory review & public comment:||2013-2014|
|Anticipated regulatory decisions:||Late 2014/first quarter 2015|
|Target in-service date:||Late 2016 through 2017|