Electric Transmission Texas

Presidio NaS Battery Project
Electric Transmission Texas, LLC (ETT) has completed a contract with NGK-Locke, Inc. for a state-of-the-art, sodium-sulfur 4-megawatt NAS® battery system, which will be installed in Presidio, Texas. ETT is a joint venture between American Electric Power (NYSE: AEP) and MidAmerican Energy Holdings Company (MidAmerican).

The NaS® battery will be the first in Texas and the largest in the United States and represents part of a $67 million overall commitment by ETT to improve transmission reliability in Presidio and surrounding areas.

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