Constellation Energy® Rates, Plans, Code | 888-900-7052

Constellation Energy is a major electric company offering affordable fixed rates for residential and business energy.

A Fortune 200 company, Constellation provides service to more than 16 million homes and businesses. Find objective information on Constellation electricity plans below, and use our guides to help you choose the best electric plan.

Compare rates from Constellation on their website with special discounted electricity rates from top electric companies in Texas below.

Compare Constellation to Top Electric Companies

9 Gexa Energy Vetted Guaranteed Plans

Plan NamePlan LengthRate
Gexa Eco Saver Plus 1212 Months10.7 ¢/kWh
Gexa Eco Saver Plus 2424 Months10.7 ¢/kWh
Gexa EV 2424 Months14.8 ¢/kWh
Gexa Energy Saver 2424 Months16.9 ¢/kWh
Gexa Saver Freedom 3636 Months17.1 ¢/kWh
Gexa Eco Saver Lite 1212 Months19.5 ¢/kWh
Gexa Eco Saver Advantage 1212 Months19.7 ¢/kWh
Gexa Eco Saver Premium 1212 Months20 ¢/kWh
Gexa Eco Saver Premium 2424 Months20 ¢/kWh
  • *Rates as of 04/16/2024 at 03:01 PM. Based on 1000 kWh in Oncor zone. Enter your zip code above for rates in your area.

Call Gexa (855-639-8212)

8 4Change Plans & Rates

Plan NamePlan LengthRate
4Change - Maxx Saver Select 1212 Months10.7 ¢/kWh
4Change - Maxx Saver Select 2424 Months10.7 ¢/kWh
4Change - Cash Money 1212 Months14.1 ¢/kWh
4Change - Charitable Saver 1212 Months14.2 ¢/kWh
4Change - One Rate 2424 Months15.7 ¢/kWh
4Change - One Rate 1212 Months16.3 ¢/kWh
4Change - Power Maxx Saver 1212 Months17.2 ¢/kWh
4Change - Power Maxx Saver 2424 Months17.2 ¢/kWh
  • *Rates as of 04/16/2024 at 03:01 PM. Based on 1000 kWh in Oncor zone. Enter your zip code above for rates in your area.

Call 4Change (888-366-7291)

8 Frontier Plans & Rates

Plan NamePlan LengthRate
Frontier - Frontier Saver Plus 1212 Months10.7 ¢/kWh
Frontier - Frontier Saver Plus 2424 Months10.7 ¢/kWh
Frontier - Smart Budget 2424 Months14.9 ¢/kWh
Frontier - Smart Budget 1212 Months15.2 ¢/kWh
Frontier - Smart Budget 3636 Months15.5 ¢/kWh
Frontier - Frontier Saver Value 1212 Months19.4 ¢/kWh
Frontier - Frontier Saver Max 1212 Months20 ¢/kWh
Frontier - Frontier Saver Max 2424 Months20 ¢/kWh
  • *Rates as of 04/16/2024 at 03:01 PM. Based on 1000 kWh in Oncor zone. Enter your zip code above for rates in your area.

Call Frontier (855-782-8379)

6 Reliant Energy Trusted Plans & Rates

Plan NamePlan LengthRate
Reliant - Conservation 2424 Months15.5 ¢/kWh
Reliant - Basic Power 2424 Months15.8 ¢/kWh
Reliant - Conservation 1212 Months15.9 ¢/kWh
Reliant - Basic Power 1212 Months16.2 ¢/kWh
Reliant - Truly Free Weekends 100% Solar 1212 Months17.8 ¢/kWh
Reliant - Truly Free Nights 100% Solar 1212 Months18.2 ¢/kWh
  • *Rates as of 04/16/2024 at 03:01 PM. Based on 1000 kWh in Oncor zone. Enter your zip code above for rates in your area.

Call Reliant (866-735-1218)

Reviews & Ratings

We recommend checking out Constellation reviews from Texans before enrolling in one of their plans. Consider reviews on their pages at Consumer Affairs, Google, and Yelp. While their reviews on Consumer Affairs and Yelp are fairly poor, they’ve improved quite a bit on Google, with a 4-star-plus rating.

At Home Energy Club we gather customer opinions and reviews from independent review sites, the State of Texas Public Utility Commission Complaints Statistics, and other review sources.

We use this information combined with our staff’s expert options to determine a rating score for each company.

HEC Constellation Energy Rating Score: 4.2/5

Customer Ratings

Constellation shows fair scores for most of the reviewed categories, with a 4 or more in four out of five categories.

Customer Reviews

On independent review sites, always scroll past the initial reviews to gain a more unvarnished view of consumer input. Also, note that consumers who post reviews about electric companies tend to have had negative experiences.

Visit our electric company reviews pages to compare reviews side by side.

Constellation Rates & Plans

Constellation Energy offers Texas electricity with a range of energy rates and contract lengths. Their prices aren’t the cheapest when compared to other fixed-rate plans with bill credits, but they’re affordable.

Popular plans include Green Fixed Rate + Bill Credit, Fixed Rate + Bill Credit + A/C Protect Plus, and Fixed Rate + Bill Credit.

Their Green Fixed Rate plan includes 100% green energy with locked in rates for 12 months.

Their A/C Protect plan includes coverage for A/C and HVAC systems, while the A/C Protect Premier plans also include an annual HVAC tune-up.

Key features all of these plans include:

  • Fair rates per kWh
  • Monthly bill credits
  • Early Termination Fees (ETFs)
  • Base monthly charges
  • Transmission & Distribution (TDU) fees

Note that these plans all feature monthly bill credits. That means they advertise a low rate, but those rates will only apply if your home falls with very set kWh usage ranges. If you fall below or extend above a set range, you may end up paying a much higher rate than advertised.

Be certain to carefully read the Electricity Fact Label (EFL) for such plans.

Tiered Rate Plans

The company also provides tiered rate plans, which means the rate per kWH varies based on the amount of kWhs your home uses. Please note that while this plan type advertises a very low rate, you may end up with a shocking electric bill surprise if you stray outside of your tier’s usage level.

Renewable Energy

As a part of their efforts to decarbonize the energy market and meet sustainability goals, Constellation Energy offers 100% carbon-free energy, using clean energy sources like solar, wind, and hydro.

If you’re looking for affordable renewable energy to reduce your home’s carbon footprint, their Green Fixed Rate plan may be a good fit for you.

If you want the best rates on clean energy, you might consider Gexa. They often have the best rates on green energy, if your home’s usage falls within set levels, found in their Electricity Facts Label (EFL).

Commercial Energy

Constellation also offers commercial energy for businesses. They have robust experience providing affordable business rates, as well as public sector expertise. Many major businesses, including Fortune 100 companies, rely on Constellation for their commercial energy needs.

Constellation Promo Code

Check our list of energy promo codes to see if Constellation has an exclusive energy code this month. You can also browse a range of exclusive promo codes from other top Texas electric companies.

Customer Service

You can easily reach Constellation’s customer service via telephone by calling 888-900-7052. Their hours are 7 am – 8 pm CT Monday – Friday, and 8 am – 5 pm CT Saturdays.

Starting Your Electricity Service

To start your energy service with Constellation, you can enroll online or by calling their customer service operators.

They may require a deposit depending on your credit score, and be sure to have your identification information handy.

You may qualify for a deposit waiver, if you meet any of the following criteria:

  • You’re medically indigent
  • You’re a victim of domestic violence
  • You’re aged 65 or older
  • You have a letter of credit from another energy retailer

Paying Your Bill

If you wish, you can pay your bill online or over the phone. Simply visit their Bill Pay page or give them a ring. They also offer a range of other payment methods, including one-time payments, and paying via mail.

Switching, Moving and Constellation Cancellation Fees

Considering switching plans, moving to a new location or canceling your current Constellation plan? Browse our Savvy Shopper’s Texas electricity guide for quick tips on finding the best plan for your needs. And don’t forget about your EFL.

The EFL is Your Energy North Star

Using your Texas Electricity Facts Label (EFL), you can navigate your way to an apples-to-apples comparison of plan’s rates based on set kWh usage levels.

To get your home’s exact historic kWh usage, use Smart Meter Texas. And if you need some easy tips for getting the most out of your smart meter, browse our Smart Meter Guide.

Transferring Your Electricity Plan

You can conveniently transfer your energy plan when you move to a different address in Texas that benefits from deregulation. Give them a call to discuss your change of address at least a month in advance of your move.

Does Constellation have a cancellation fee?

Yes, Constellation often charges an Early Termination Fee (ETF), typically $150. To cancel your plan, simply call a Constellation operator or cancel via your online account. Be sure to check your plan’s Electricity Facts Label to determine the ETF before canceling your contract.

You can often avoid an ETF when moving outside of Constellation’s service area or if you wait to cancel until the final 14 days of your term.

Reporting a Constellation Power Outage

If you experience a Constellation power outage, you’ll receive faster service by contacting the Transmission and Delivery Utility (TDU or TDSP) in your area.

Below is the contact details for current Texas TDUs:

  • Oncor: 888-313-4747
  • AEP: 866-223-8508
  • Centerpoint Energy: 800-332-7143
  • Texas New Mexico Power (TNMP): 888-866-7456
  • Sharyland Utilities: 800-545-4513

Also find electricity information for Texas cities, including electric companies, TDUs, EV charging stations and more.

About Constellation Energy

Formerly StarTex Power, Constellation Energy Corporation is one of the largest electric companies in North America. The energy provider offers both business energy and residential electricity.

While they faced rough headwinds upon moving to the Texas marketplace, they’ve won many Texans over with quality customer service and fair prices. In addition to providing retail electricity, they’re also a natural gas supplier.

They offer an assortment of fixed-rate energy plans for various term lengths, as well as renewable electricity plans, and competitive prices.

Business Information

Their headquarters in Texas are located at:
1001 Louisiana St Suite 2300, Houston, TX 77002, United States

You can reach their corporate headquarters at 888-900-7052.

Top Texas Municipalities Serviced

Deregulated Cities
Houston
Dallas
Fort Worth         
Katy
Laredo
Waco
Midland
Corpus Christi       
Frisco
McAllen
Galveston
Irving

See all deregulated cities in Texas.

Top Texas Zip Codes Serviced

Enter your zip code for cheap rates in your area

Constellation Energy Frequently Asked Questions

Is Constellation a good energy company?

Constellation is a very large electricity supplier in Texas, with a solid reputation for providing quality service to residential and business customers.

While they used to have fairly negative reviews in Texas, the company has improved their reputation by providing competitive prices and quality customer service.

You can see this in their improved Google review scores. While they used to have only a 2-star rating, they now have a very respectable high 4-star rating from nearly 2,000 verified customer reviews. They may be a good choice for your energy needs.

To determine if they’re right for you, we suggest reading verified Constellation reviews and comparing them to top Texas energy suppliers.

Does Constellation Energy have an app?

Yes, Constellation has an app for both iOS and Android devices. Using their app, you can manage your account, including viewing and paying bills, and controlling your Constellation Connect system. You can also use a separate Constellation Connect app.

Who bought Constellation Energy?

While Exelon Corp., a Fortune 100 energy company, bought Constellation in 2012, it has since sold Constellation in 2022. Constellation now operates under the name Constellation Energy Group.

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