This is the utility company for South and West Texas. 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.
The utility company in much of west and central Texas is 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.
If you live in the Houston area, including Katy, Richmond, Humble, Tomball your utility company is Centerpoint Energy Electric. 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.
Oncor is the electric utility company that delivers power to over 10 million customers in north, central and west Texas. They are the utility company for 400+ cities in Texas. Headquartered in Dallas, they are the largest transmission and distribution utility in the state.
Effective January 2018, Sharyland Utilities is part of Oncor. This page provides historical information on Sharyland Utilities.
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.