Killdeer-Hampton Tap 345 kV Electric Transmission Project

Reliable, sustainable, efficient energy is critical to the quality of life we enjoy. To improve electric reliability, enable new electric generating sources to deliver energy to customers, and meet the region’s growing energy needs, ITC Midwest (ITC) is preparing to build a new high-voltage electric transmission line in north central Iowa. The proposed Killdeer-Hampton Tap 345,000-volt (345 kV) line is part of a network of new 345 kV transmission lines planned by ITC and MidAmerican Energy to serve the region. This new ITC line will run approximately 30 miles from ITC’s proposed Killdeer substation southwest of Mason City Iowa, to interconnect with a proposed MidAmerican Energy line in Franklin County. Where possible, ITC is proposing that the line be built on new structures that would also carry existing transmission lines that currently operate in the area.

ITCMW_Killdeer_Hampton

MISO, the independent transmission organization for the 11-state region that includes Iowa, has studied and designated 17 transmission projects as “Multi-Value Projects” (MVPs). The Killdeer-Hampton Tap line is a portion of one of those projects. The MVP transmission lines will bring four major benefits to northern Iowa and the rest of the MISO region: improved reliability, expanded access to generation sources, increased system efficiency, and economic investment.

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PROJECT PROFILE
 

  • How big will this line be?
    The new tubular steel poles will be approximately 100 to 175 feet tall and will be spaced approximately 800 to 1,000 feet apart, varying with terrain and local conditions along the route. The structures will be installed on concrete foundations that generally are between eight and 14 feet in diameter.
  • How was this route chosen?
    The primary factor in determining the line route is the proposed locations of the Killdeer substation and the proposed location of the MidAmerican Energy line to which this line will connect. To minimize impact on landowners where possible, ITC is proposing to locate the new line in existing transmission line corridors currently in compliance with Iowa Code, primarily by placing both lines on opposite sides of new single-pole structures. To determine the appropriate route, ITC carefully considered routes that parallel roads and railway right-of-way or follow along division lines of lands, according to government survey, where practicable and reasonable in accordance with Iowa Code §478.18(2) and Chapter 199, Section 11.1(7) of the Iowa Administrative Code.
  • What is the timing for construction?
    ITC proposes to start construction in 2016 with projected completion by 2017.

 
 
 

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