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The line spans 71 miles in northeast Iowa from Hampton to a location just east of Waterloo, the company said, adding that it also expanded a substation in Black Hawk County and upgraded the existing transmission lines along the same route.
Construction crews replaced two- and three-pole wood structures with single-pole steel structures, meaning fewer poles per mile, less need for maintenance and more land available for farming, the company said.
While the project is substantially complete, residents in Franklin, Butler and Black Hawk counties will still see crews in the area to remove materials, clean up and restore land affected by construction, the company said.
MidAmerican Energy said that it is assisting with the construction of four of the 17 MVPs included in the Midcontinent ISO (MISO) Transmission Expansion Plan.
As noted in a brochure, the MISO board of directors in December 2011 approved the organization’s Transmission Expansion Plan 2011, which is a comprehensive, long-term regional plan for the electric grid that will bring more than $2 billion in annual benefits to energy consumers throughout the Midwest.
The company said in its statement that other projects that it is working on include:
· MVP 3, which is a 121-mile, 345-kV line through Clay, Humboldt, Kossuth, O’Brien, Palo Alto and Webster counties in Iowa
· MVP 7, which is a 27-mile, 345-kV line through Appanoose, Davis and Wapello counties in Iowa
· MVP 16, which is a 33-mile, 345-kV line through Henry, Knox, Mercer and Rock Island counties in Illinois
Construction of MVP 3 is expected to be complete in December, while MVP 16 and MVP 7 are scheduled for completion by mid-2017, and mid-2018, respectively, the company said.
As noted in the brochure, the projects are primarily designed to improve system reliability; relieve existing transmission congestion; improve use of existing generation; lower the cost of delivered energy; optimize wind generation placement; and allow for the regional delivery of renewable generation.
About MVP 3, the company said that the project also involves rebuilding the existing 161-kV transmission lines, building two new substations, and modifying one existing substation.
The company said that the MVP 7 project also includes rebuilding the existing 161-kV transmission lines, while the MVP 16 project also involves rebuilding the existing 161-kV transmission lines and expanding existing substations at Oak Grove and Galesburg, Ill.