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Texas Electric Utility Companies

Updated: 10/14/2021

In Texas, four utility companies deliver electricity to the vast majority of the state – AEP Texas, CenterPoint Energy, Oncor Electric Delivery, and Texas-New Mexico Power (TNMP). If any of these companies deliver your electricity, you have the power to choose your electricity provider. When you choose your electricity provider, they supply the electricity that is delivered by the utility.

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Texas
Best Electricity Rates
ProviderPlan NameLengthRate Per kWh
At 1000kWh avg. usage
Sign Up
4Change Energy
PUCT #10041
Maxx Saver Bundled 12
12 Mo.7.5¢Select
4Change Energy
PUCT #10041
Maxx Saver Select 24
24 Mo.7.6¢Select
Constellation
PUCT #10014
36Mo Usage Bill Credit + A/C Protection for 2 Units and HVAC Monitoring
36 Mo.11.7¢Select
Rhythm
PUCT# 10279
TX Breeze 36
36 Mo.11.9¢Select
Rhythm
PUCT# 10279
TX Breeze 24
24 Mo.12.2¢Select
PlanRate Per kWh
At 1000kWh avg. usage
4Change Energy
Maxx Saver Bundled 12

12 Months
7.5¢
Select
4Change Energy
Maxx Saver Select 24

24 Months
7.6¢
Select
Constellation
36Mo Usage Bill Credit + A/C Protection for 2 Units and HVAC Monitoring

36 Months
11.7¢
Select
Rhythm
TX Breeze 36

36 Months
11.9¢
Select
Rhythm
TX Breeze 24

24 Months
12.2¢
Select
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Texas Utility Providers Service Area Map

Deregulated Texas Utilities Map

List of Texas Utility Companies

AEP Texas

AEP Texas is a subsidiary of American Electric Power (AEP) and delivers electricity to over one million customers. AEP Texas is unique because the electricity plans available to you depend on where you live in AEP Texas’s service area.

The other area is designated as AEP Texas Central, and while some of its service area runs throughout the central parts of the state, the majority is in the south.

CenterPoint Energy

CenterPoint Energy delivers electricity to 2.5 million+ customers in the greater Houston area.

Oncor Electric Delivery

Oncor is the largest electric utility provider in Texas, serving over 10 million customers throughout the state. A bulk of their service area is in Dallas, Fort Worth and the surrounding areas. However, it also serves portions of western Texas.

Texas-New Mexico Power (TNMP)

Texas-New Mexico Power (TNMP) is the smallest utility provider out of the four, serving 255,000 homes and businesses throughout the state. Its service area is sporadic, with larger areas in west Texas and south of Houston, and some service areas in the Dallas-Fort Worth metroplex.

Other Types of Utility Companies In Texas

The other utility companies in Texas don’t offer electricity choice. There are two types:

  1. Municipal Utility – These utilities are owned and operated by the city. An example would be Austin Energy.
  2. Cooperative Utility – These utilities are owned by the people that they serve. These serve primarily rural areas of the state.

If you want to learn more about the electricity market in Texas, check out the Texas electricity guide. It will walk you through everything you need to know about Texas’s competitive electricity market.

What Is A Utility Company?

An electric utility company delivers electricity to your home. They own and maintain the electrical infrastructure (poles, wires, transformers, etc.) to ensure you have reliable electricity service. Utility companies in Texas are regulated by the Texas Public Utility Commission who is responsible for oversight of the deregulated electricity market and ensuring fair practices. Utilities also work with ERCOT to ensure grid stability across the state of Texas.

There is only one utility provider for a designated area. For example, Houston’s only electric utility company is CenterPoint Energy. This means you can’t change utility providers. Where you live determines your utility company.

How is a Utility Different than an Electricity Provider?

While your local utility in Texas maintains the infrastructure and safe delivery of energy to your home, the electricity provider is who supplies that electricity. They also determine the rate and terms that you pay for that supply. Electricity providers partner with utilities to ensure you always have safe & reliable service at the terms you agree to when you sign up for electricity.

Here are a few other key differences between a utility and an electricity provider:

Local Utility

  • Maintains infrastructure for transmission of electricity (poles, wires, etc.)
  • Ensures safe & reliable delivery of electricity to your home
  • Takes care of all emergencies including outages and downed power lines

Electricity Company

  • Provides the supply of electricity that your utility then delivers to you
  • Determines the electricity supply rate, contract length, and other terms of your service
  • Sends your monthly electricity bill