ITC Great Plains Expansion plan submitted to SPP

The ITC Great Plains Expansion Project plan was developed through more than a year of extensive study of regional needs

Novi, Mich., October 17, 2012 — ITC Holdings Corp. announced the ITC Great Plains Expansion Project, a group of five projects that involves seven states and more than 2,700 miles of new transmission line.

The ITC Great Plains Expansion Project plan was developed through more than a year of extensive study of regional needs. It identifies and proposes a package of high-voltage electric transmission projects designed to relieve system constraints impeding the export of excess energy capacity inter-regionally.

This AC-based approach reflects the interconnectivity of the power grid and provides a solution to integrate a variety of energy sources, enhance overall grid reliability and provide flexibility and optionality throughout the Southwest Power Pool (SPP) regional transmission organization footprint.

The ITC Great Plains Expansion Project proposal involves five primary 345 kV AC transmission lines consisting of multiple west-to-east segments originating in Nebraska, Kansas, Oklahoma and Texas, and terminating in Iowa, Missouri and Arkansas.

The project plan aligns with one or more of the ITP20 Planning Futures for which SPP recently issued a request for projects. ITC Great Plains submitted this proposal into the SPP ITP20 planning process and SPP will enter the draft project portfolio into its ongoing planning analysis and stakeholder review process.

ITC Great Plains will work with SPP and other stakeholders in the SPP planning process, and other associated planning processes, to highlight the benefits for customers associated with these projects.

The ITC Great Plains Expansion Project provides a framework for relieving constraints in the underlying system for exporting energy from the western part of SPP to load centers east of the SPP footprint. The proposed transmission lines follow these general routes:

·East-central Nebraska to north-central Iowa

·Western Kansas to southern Iowa

·Southwest Kansas to south-central Missouri

·Western Oklahoma to south-central Missouri

·Eastern Texas across southern Oklahoma to southwest Arkansas

Spearville, Kansas to Axtell, Nebraska: In June 2012, ITC completed the first phase of the 225-mile 345 kV transmission line conceived and sponsored by the Kansas Electric Transmission Authority (KETA), built in conjunction with Nebraska Public Power District and in partnership with Sunflower Electric Power Corporation and Midwest Energy, Inc. The second phase is expected to be in service by the end of this year.

Kansas V-Plan: ITC is constructing about 120 miles in a 200-mile, 345 kV transmission line linking Spearville to Wichita in partnership with Sunflower Electric Power Corporation and Mid-Kansas Electric Co. The project is projected to be in service by late 2014.

Hugo to Valliant, Oklahoma: In partnership with Western Farmers Electric Cooperative, ITC put into service its first Oklahoma project in June 2012 with the completion of an 18-mile, 345 kV transmission line and substation in the southeastern part of the state.

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