Utility Companies Serving The Texas Deregulated Electricity Market

Texas utility companies provide the distribution and transmission of power including the maintenance of the wires and poles that serve your residence or business.

AEP Texas Central

Formed in 2000 as a result of the merger with AEP and Central and South West Corporation, AEP Texas Central is a subsidiary of AEP Texas and is one of two AEP electric utilities operating in ERCOT. AEP Texas Central boasts approximately 800,000 total customers in 219 towns and 44 counties in Texas. AEP Texas is headquartered in Corpus Christi and has approximately 1,500 employees in Texas. AEP Texas is part of AEP (American Electric Power), one of the largest utilities in the US, serving customers in 11 states.

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AEP Texas North

Formed as a result of the acquisition of West Texas Utilities by AEP, AEP Texas North is a subsidiary of AEP Texas and and a sister company to larger AEP Texas Central. AEP Texas North boasts approximately 200,000 total customers in 153 towns and 48 counties in Texas. AEP Texas is headquartered in Corpus Christi and is part of AEP (American Electric Power), one of the largest utilities in the US, serving customers in 11 states.

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CenterPoint Energy

Headquartered in Houston, CenterPoint Energy (NYSE: CNP) is a Fortune 500 energy utility that serves energy markets in Texas, Minnesota, Oklahoma, Arkansas, Louisiana, and Mississippi. Within Texas, they provide electric transmission and distribution as well as natural gas distribution. They are best known for maintaining the wires, poles, and the electric infrastructure within the Houston metropolitan area, covering over 5,000 square miles and 2.3 million customers.

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Oncor

Oncor is more than just a basic electric utility — it is a cutting-edge supplier of electricity to 400+ cities in Texas. Headquartered in Dallas, they are the largest transmission and distribution utility in Texas and a part of the largest as a result of their acquisition by Sempra. They serve over 10 million customers, 120,000 miles of lines and 3 million electricity meters in Texas.

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Sharyland Utilities

Sharyland Utilities provides electricity transmission and distribution to approximately 54,000 customers spread across 29 counties in primarily west, central, and south Texas. Sharyland is headquartered in Dallas, Texas and is privately owned by the Hunt family within the Hunt Utility Services REIT. As of early 2018, Sharyland is in the process of transitioning all retail customer accounts to Oncor. To find out more, read Oncor’s timeline and welcome message to former Sharyland customers.

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TNMP

Headquartered in Lewisville, Texas, Texas-New Mexico Power (TNMP) is an electricity transmission and distribution provider that serves regions in far west, north central, and gulf coast regions of Texas. They have approximately 236,000 customers and 375 employees.

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