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Construction of Thumb Loop Transmission Line

From 2012- MJ Electric of Iron Mountain Michigan has been selected by ITC Holdings to construct Phase One of the “Thumb Loop”.  MJ Electric will construct approximately 62 miles of the Loop starting from the site of the new Bauer substation in Tuscola Township, southwestern Tuscola County, to the new Rapson substation in Huron County, east of Bad Axe in Sigel Township.


Thumb Loop to Support 1000’s of Wind Turbines

The project will be the base of a transmission system designed to meet the identified maximum wind energy potential of the Thumb region. When complete The Thumb Loop will consist of four substations and 140 miles of transmission lines through Michigan’s Tuscola, Huron, Sanilac, and St. Clair counties. The Thumb Loop is the result of Michigan’s Clean, Renewable and Efficient Energy Act of 2008. The act requires 10 percent of the energy in the state come from renewable fuels by 2015. When completed, the loop will be the “energy superhighway” for wind farm development in the Thumb.

The Thumb Loop is capable of supporting more than 2,800 wind turbines and 5,000 megawatts of renewable energy capacity.  The project will start this spring and conclude in 2013.  The cost has been estimated at about $510 million.  The Huron Daily Tribune noted that up to 50 workers will be active during the peak of the project. Local businesses may also be required for concrete suppliers and excavation.

Local Concerns of The Power Line Crossing the Thumb

Landowners with property that may be crossed by the Thumb Loop have expressed concern about how the lines will impact farms throughout the region. One particular issue is concern over how the construction of the line would affect central pivot farming, which has increased in use over the past 25 years within Michigan’s agriculturally rich thumb area. ITC has worked with landowners along the route to negotiate easement agreements and establish access points for equipment and materials along the 200-foot-wide transmission corridor.

With its recent merger announcement with Entergy, ITC Holdings will become one of the largest electric transmission companies in the U.S., with over 30,000 miles of transmission lines, spanning from the Great Lakes to the Gulf Coast.

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Mike Hardy

Mike Hardy is a Marketing Information Technology Manager and author of a fun-loving blog covering topics of the Upper Thumb of Michigan. Starting in 2009, he authored a vast range of content and established a loyal base of 15,000 visitors per month. Mike welcomes your feedback, which can be found on Thumbwinds, "About" page.

4 Responses

  1. Juliana says:

    It’s caused besauce the sun heats the planet differently, and over vast areas. As a place warms up, the air expands, causing a pressure change. Wind is simple high pressure air moving towards a low pressure region to balance things out. The boundaries are not normally so definite that you could notice the effect you described.Simply, it is caused by sun besauce if no sun will there Then the no area will become hot, no air will rise, and no one will come to take the rising air’s placeHope it helps!!

  1. March 17, 2012

    […] The Michigan Thumb region is  anticipating investments exceeding  over $500 million in the Thumb Loop Project to offer up to 2,500 potential wind turbines the capability to transport for energy transmission to […]

  2. May 16, 2012

    […] This compares to the Thumb Loop transmission line project now underway in Michigan’s Thumb region. […]

  3. July 13, 2012

    […] voltage support because the area had no transmission system.  Transmission lines, called the Thumb Loop Project  are now under […]

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