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StarTex Power

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StarTex Power in Texas now known as Constellation

For more than 10 years, StarTex Power served the Texas energy market by offering competitive electricity rates and customer care. Since 2018, StarTex Power is known as Constellation, which is part of Exelon Corporation.

The company formerly known as StarTex Power offers a range of supply options, including fixed- and variable-rate plans, as well as alternative green energy options. This retailer also offers an online platform that allows you to check your balance, pay your bill, and more. You can learn more about Constellation’s coverage areas, available plans and unique energy offerings with®.

Want to hear about today’s low rates? Enter your ZIP code above or click below to search StarTex Power plans in your city.

Find the right supply plan for your needs

At®, you can learn about many retail electric providers in Texas and browse a list of competitive supply plans available in your area. Constellation and other retail providers compete to provide consumers with attractive energy rates and more convenient supply plans. With the power to choose your provider, it is important that you carefully explore your options and understand the details for each supply plan. For Constellation, there are generally two types of supply plans:

  • Fixed-rate– Through a fixed-rate supply plan, customers get a constant rate per kWh for the length of a contract period. Term lengths can range from a few months to years, and a fixed rate gives consumers the peace of mind that their monthly payment will not change if their consumption habits remain consistent.
  • Variable-rate – Customers who do not want a long-term contract can choose the month-to-month flexibility of a variable-rate supply plan. This type of plan allows consumers to switch plans or providers at the end of each month, although there is a risk that the market price per kWh could change each month.

Sign up for a Constellation plan with

As the largest online energy marketplace in Texas,® will help you find a great energy plan that fits your budget, usage and needs. Not sure which plan is right for you? Call the number above to speak to one of our energy experts.

  • Step 1: Enter your ZIP code above to view today’s low energy rates from Constellation.
  • Step 2: Select a plan and sign up over the phone or online in just minutes.
  • Step 3: Enjoy reliable energy at an affordable price!

A few things to remember

  • Don’t forget to read your plan’s Electricity Facts Label before signing up. It contains important information including:
    • Price per kilowatt-hour based on usage
    • % renewable energy sourcing
    • Early termination fees
  • Enjoy hassle-free supplier setup. Once your order has been confirmed, your new supplier will set up service with your utility, or transmission and distribution service provider (TDSP) – but don’t worry, there shouldn’t be any interruption to your power during the switch.
  • Understanding your electricity bill. Your local TDSP will still deliver your electricity and maintain electric infrastructure including meters and power lines. Your utility fees can be found as TDU or TDSP charges on your monthly bill. They are independent of your supplier rate.

Updated 6-17-2020

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