ETT energizes first of seven CREZ transmission lines in West Texas; others slated for completion by year-end

(AUSTIN, TEXAS) Aug. 5, 2013 – Electric Transmission Texas, LLC (ETT) has energized the first of seven 345-kilovolt (kV) transmission line projects associated with the Competitive Renewable Energy Zone (CREZ) initiative in west Texas. 

The Riley to Edith Clarke transmission line and the Edith Clarke switching station were energized to the Electric Reliability Council of Texas (ERCOT) grid on July 31. The 345-kV Riley to Edith Clarke transmission line is 41.6 miles long and runs from the Vernon area in Wilbarger County to the Crowell area in Foard County. This phase of the ETT CREZ program represents approximately $141.5 million of ETT’s estimated total CREZ investment of approximately $1.5 billion.     

Energizing the Riley to Edith Clarke line completes the first of the seven greenfield 345-kV transmission projects assigned to ETT as part of the CREZ initiative. The overall CREZ initiative involves eight different transmission service providers, including ETT, constructing 2,400 miles of transmission lines to carry 18,500 megawatts of west Texas wind generation to eastern load centers in ERCOT.  All CREZ projects are scheduled for completion by the end of 2013.  ETT received the second largest assignment of CREZ projects from the Public Utility Commission of Texas (PUCT).  

ETT, a joint venture between subsidiaries of American Electric Power (NYSE: AEP) and MidAmerican Energy Holdings Company, received 20 percent of the Texas CREZ initiative.  ETT’s share of the CREZ project includes building approximately 460 miles of new double-circuit 345-kv lines and 16 switching stations, as well as acquiring rights-of-way across 578 tracts of land and upgrading existing stations and transmission lines. It is the largest transmission construction venture in AEP’s history, and one of its most demanding. 

 “In addition to assigning ETT the second largest share of the transmission projects, the PUCT also assigned ETT the largest amount of advanced technology projects associated with the CREZ initiative,” said ETT president Calvin Crowder.  “Given that the ETT CREZ transmission projects are located in the center or ‘backbone’ of the area designated for development, ETT was charged with incorporating new technology that supports system stability as the power produced by wind generators in remote west Texas areas is carried long distances to the eastern areas of ERCOT.”

About ETT

ETT acquires constructs, owns and operates transmission facilities within ERCOT, primarily in and around the AEP Texas Central Company and AEP Texas North Company service territories. More information about ETT can be found at www.ettexas.com.

About AEP

AEP, headquartered in Columbus, Ohio, is one of the largest electric utilities in the United States, delivering electricity to more than 5 million customers in 11 states. AEP (www.aep.com) has extensive experience building extra-high-voltage 765-kV transmission lines and owns the nation’s largest electricity transmission system, a nearly 40,000-mile network that includes 2,100 miles of 765-kV transmission lines, more than all other U.S. transmission systems combined.

About MidAmerican Energy Holdings Company

MidAmerican Energy Holdings Company (www.midamerican.com), based in Des Moines, Iowa, USA, is a global provider of energy services. Through its energy-related businesses, MidAmerican provides electric and natural gas service to more than 7 million customers worldwide. These businesses are Pacific Power, Rocky Mountain Power and PacifiCorp Energy, comprising PacifiCorp; MidAmerican Energy Company; Northern Powergrid Holdings Company; Northern Natural Gas Company; Kern River Gas Transmission Company; MidAmerican Renewables, LLC; MidAmerican Transmission, LLC; and CalEnergy Philippines. PacifiCorp and MidAmerican Energy Company own and operate more than 20,000 combined miles of electric transmission lines.


Larry Jones
Office: (512) 391-2970
Mobile: (512) 203-4916

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