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Electric Transmission Texas LLC (ETT), a joint venture between subsidiaries of utility American Electric Power (AEP) and energy services provider MidAmerican Energy Holdings Co., has energized the last of seven 345 kV transmission line projects associated with the Competitive Renewable Energy Zones (CREZ) initiative in West Texas.

According to AEP, the 88.4-mile Edith Clarke to Cottonwood transmission line was energized to the Electric Reliability Council of Texas (ERCOT) grid on Dec. 4. AEP says this phase of the ETT CREZ program represents approximately $175.4 million of ETT's estimated total CREZ investment of approximately $1.5 billion.

The overall CREZ initiative involves nine different transmission service providers, including ETT, constructing 2,400 miles of transmission lines to carry 18.5 GW of West Texas wind generation to major load centers in ERCOT, AEP notes. The utility adds that all CREZ projects are scheduled for completion by the end of this year.

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