Electric Transmission Texas LLC (ETT) has energized the last of seven, 345 kV transmission lines that are part of the Competitive Renewable Energy Zones (CREZ) in west Texas. ETT is a joint venture between subsidiaries of American Electric Power (NYSE: AEP) and MidAmerican Energy Holdings Co.
The 88.4-mile-long Edith Clarke to Cottonwood transmission line was energized to the Electric Reliability Council of Texas (ERCOT) on Dec. 4. The phase of the program represents $175.4 million of ETT’s estimated total investment in the $1.5 billion CREZ project.
The other six transmission lines are the 41.5-mile Riley to Edith Clarke, which cost approximately $91.8 million; the 65.6-mile Tesla to Riley, at a cost of $134.5 million; the 55-mile Tesla to Edith Clarke, which costs $98.3 million; the 79.2-mile Edith Clarke to Clear Crossing, which cost $157.7 million; the 90.1-mile Clear Crossing to Dermott, which cost $189.2 million; and the 33.7-mile Clear Crossing to West Shackleford, which cost $76.5 million.
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