By Shop Texas Electricity | Updated 04/03/2026 | 27 minute read
Our Experts Know Electricity and Savings
Key Takeaways
- Constellation Energy focuses on fixed-rate electricity plans with clear terms and predictable pricing.
- Its plans avoid bill credits, usage thresholds, and time-of-use rules, favoring simplicity over promotional savings.
- Constellation often costs more than discount providers, but offers greater pricing stability for long-term households.
- The provider is best suited for customers who value clarity, consistency, and low-maintenance billing.
About Constellation Energy
-
- The Constellation Energy building in Baltimore’s Harbor Point. (Photo by Christine Condon/Maryland Matters)
Constellation Energy Corporation is a U.S. energy company headquartered in Baltimore, Maryland. It became a standalone public company in 2022 after Exelon completed the separation of its competitive generation business.
In Texas, Constellation operates as a retail electric provider (REP) in the deregulated market. That means Constellation sells the electricity plan and handles billing, while your local transmission and distribution utility (TDU) still delivers power and responds to outages.
Compared to many Texas REPs that rely heavily on bill credits or usage-based pricing “sweet spots,” Constellation generally positions its plans around simpler fixed-rate structures. That can make it easier to understand what you’re paying for — but it also often means Constellation won’t be the cheapest advertised option in a given ZIP code.
Fast Facts:
- Founded: Established as an independent company in 2022 following a spin-off from Exelon Corporation
- Headquarters: Baltimore, MD
- Plan Types: Primarily fixed-rate residential plans and renewable energy
- Coverage: All deregulated areas of Texas
Constellation Energy Plans Types
Constellation Energy typically offers fixed-rate electricity plans in Texas, designed for customers who want predictable monthly pricing without bill credits or time-of-use requirements. While exact rates vary by ZIP code, term length, and market conditions, Constellation’s pricing generally reflects a premium for simpler plan structures compared to discount-focused providers.
Below is a representative snapshot of Constellation’s currently promoted plans in Oncor service areas:
| Plan Type | Term Lengths | Rate Type | Key Features | Key Feature |
| Fixed-Rate Electricity Plan | 12-36 months | Fixed | Locked supply rate for the full contract term; no bill credits or usage thresholds | Households seeking predictable pricing |
| Renewable Energy Option* | 12-36 months | Fixed | Fixed-rate plan that includes renewable energy sourcing (% varies by plan) | Shoppers prioritizing cleaner energy |
| Long-Term Fixed Plan | 24-36 months | Fixed | Longer price lock, often slightly higher base rate | Customers planning to stay put long-term |
*Availability and renewable percentages should always be confirmed in the Electricity Facts Label (EFL).
Unlike many Texas electricity providers that rely on bill credits or narrow usage bands to advertise lower rates, Constellation’s plans are typically priced the same across usage levels. That can make monthly costs easier to anticipate — but it also means Constellation’s advertised rates may appear higher when compared side by side with promotional plans.
Constellation’s pricing generally sits higher than discount-focused providers, but the tradeoff is a more straightforward plan structure. Shoppers focused on securing the lowest possible rate should compare Constellation’s plans against other Texas electricity providers in their ZIP code and review the Electricity Facts Label closely to understand how rates stack up at their usage level.
Why Choose Constellation Energy
Constellation Energy won’t be the right match for every Texas household, but for customers who value clarity and consistency, it offers a dependable electricity experience. Rather than relying on promotions, bill credits, or lifestyle-based plan designs, Constellation emphasizes predictable pricing and straightforward contracts — giving it a clearly defined place in the Texas market.
What Constellation Does Well
Straightforward plans without gimmicks:
Constellation’s core lineup consists of fixed-rate plans that price electricity consistently across usage levels and times of day. There are no bill-credit thresholds to hit and no off-peak windows to manage, which makes monthly costs easier to understand and anticipate.
Large, established provider:
As one of the largest electricity suppliers in the United States, Constellation brings scale, financial stability, and long-term market experience. For customers planning to stay in one place across multiple contract cycles, stability can be an important factor when choosing a provider.
Predictable monthly costs:
Because Constellation avoids variable pricing and time-based conditions, customers with steady usage often experience fewer month-to-month fluctuations. This level of predictability tends to appeal to homeowners, larger households, and anyone prioritizing consistent billing over promotional savings.
Renewable options that stay simple:
Constellation’s renewable energy plans incorporate renewable energy credits into the supply mix without changing how the rate functions. Customers can support cleaner energy without taking on a more complex pricing structure.
Fewer surprises at renewal:
While renewal rates can still change like they do with any Texas REP, Constellation’s plans tend to avoid the sharp pricing shifts that sometimes follow expiring promotional offers. Its contract structure is generally more consistent across terms, which can reduce renewal shock for some customers.
Here's Where You Need to Be Careful
Constellation rarely offers the lowest advertised rate in a given ZIP code. Discount-focused REPs often undercut its pricing, particularly with 12-month plans or offers built around specific usage ranges.
Shoppers looking for prepaid plans, heavy bill credits, or promotional incentives will not find them here. If minimizing cost above all else is your top priority, other providers will typically offer more aggressive pricing options.
Everything You Need to Know About Constellation
Constellation Energy keeps its Texas plan lineup intentionally streamlined. Rather than offering time-of-use pricing, seasonal discounts, or usage-based bill credits, most Constellation plans rely on straightforward fixed-rate contracts. That simplicity can make costs easier to understand — but it also means customers need to be clear on contract terms, fees, and usage expectations before enrolling.
Below are the most important details to understand when evaluating a Constellation Energy plan.
Fixed-Rate Plans
Fixed-rate electricity plans make up the core of Constellation’s Texas offerings. These plans lock in your energy supply rate for the full contract term — typically 12, 24, or 36 months. TDU delivery charges still apply, but the supply rate itself does not change during the contract.
What to know:
- Pricing remains consistent across usage levels and times of day
- No bill-credit thresholds or off-peak requirements
- Best suited for households with steady electricity consumption
Best for: Households seeking predictable pricing
Renewable Options
Constellation also offers renewable-backed fixed-rate plans. These function the same as standard fixed-rate contracts, but include renewable energy credits (RECs) to match your usage with renewable generation elsewhere on the grid. Choosing a renewable plan does not change how your rate behaves.
Best for: Customers who want predictable pricing with minimal plan complexity, including those interested in renewable energy without lifestyle adjustments.
Month-to-Month Options
Constellation offers a variable, month-to-month plan, though it is not a primary focus of its lineup. Rates change monthly based on market conditions and can increase significantly during periods of high demand.
Unlike some REPs, Constellation does not bundle this option with rewards programs, loyalty perks, or promotional bill credits.
Heads up: This option is best for short-term flexibility — such as renters between leases — not for customers seeking stable or long-term pricing.
Renters vs. Homeowners
Constellation’s plan structure tends to favor customers who expect to stay in one location for a longer period.
- Renters will find limited no-contract flexibility. While the month-to-month option provides freedom, it comes with variable pricing and fewer cost offsets than prepaid or discount-focused providers.
- Homeowners or long-term residents typically benefit more from fixed-rate plans, which offer stable pricing for 1–3 years without requiring usage management.
Bottom line: If you expect to move within the next year, contract length should be a primary consideration when comparing Constellation plans.
Deposit Requirements
Constellation conducts a soft credit check during enrollment. Customers who do not meet credit thresholds may be required to pay a deposit, which follows Public Utility Commission of Texas (PUCT) guidelines.
What to expect:
- Deposits are generally capped at the cost of two average monthly bills, based on projected usage
- Deposit waivers may be available for:
- Customers age 65 or older
- Customers with a recent 12-month history of on-time payments from another utility
- Certain documented medical hardship situations
Key detail: There is no pre-qualification tool, so customers typically won’t know whether a deposit is required until they begin enrollment.
Early Termination Fees
Constellation’s early termination fees (ETFs) are fixed amounts based on contract length and are not prorated.
Typical fees include:
- $150 for a 12-month plan
- $295 for a 24-month plan
These fees are generally waived if you move outside Constellation’s service area and provide proof of address change, in accordance with PUCT rules.
Pro tip: Multi-year plans only make sense if you’re confident you’ll stay put for the full term.
Satisfaction Guarantee
Constellation does not offer a broad, company-wide satisfaction guarantee. Once service begins, standard cancellation and ETF rules apply unless a specific plan states otherwise.
Some plans may include short promotional cancellation windows, but these are not guaranteed and should always be confirmed in the plan’s EFL or Terms of Service.
Constellation Energy Plans at a Glance
Constellation Energy focuses on fixed-rate electricity plans with clear terms and predictable pricing. The overview below highlights the types of plans you’re most likely to encounter, along with who they tend to work best for.
Below is a look at Constellation’s most visible residential plans, who they work best for, and what makes each one different.
Featured Constellation Plans and Who They Fit
| Plan Name | Term | Rate Type | Core Feature | Best Fit For |
| Constellation 12 Secure | 12-month | Fixed | No usage tiers or bill-credit triggers | Households wanting a short, stable contract |
| Constellation 24 Secure | 24-month | Fixed | Longer-term rate protection | Homeowners wanting multi-year consistency |
| Basic Secure 36 | 36-month | Fixed | Lowest long-term fixed rate in lineup | Long-term residents looking for predictability |
| 100% Green Choice 12 | 12-month | Fixed (Green) | RECs included | Eco-conscious customers wanting simple green options |
| Variable Month-to-Month | Variable | Monthly variable | Contract-free flexibility | Renters or transitional households |
Constellation vs. Competitor Pricing Comparison
To understand how Constellation fits into the Texas market, here’s how its fixed-rate pricing compares with several well-known providers. Constellation usually sits above value REPs like Gexa and 4Change, and tends to align more closely with established brands such as Reliant.
| Provider | Plan Name | Rate* | Term | Key Notes |
| Constellation Energy | Constellation Fixed Rate + Bill Credit 12 | 13.2¢/kWh | 12-month | Fixed rate; Receive up to $50 per month in bill credits |
| TXU Energy | Simple Rate 12 | 17.6 ¢/ kWh | 12-month | Flat rate; no usage tiers |
| Gexa Energy | Gexa Eco Saver Premier 24 | 18.3¢ /kWh | 24-month | Bill credit at 1,000 kWh; usage band required |
| Reliant Energy | Reliant Basic Power 12 | 14.8¢ /kWh | 12-month | Fixed rate, strong brand presence, fewer perks |
| 4Change Energy | Maxx Saver Value 12 | 8.7 ¢/ kWh | 12-month | Usage-based bill credit; lower base cost |
| Cirro Energy | Bill Bonus 24 | 6.8¢ /kWh | 24-month | Usage-based credit; straightforward plan options |
| Texas Average | – | 14.85 ¢/kWh | – | Based on EIA statewide residential rate data (2025 YTD) |
*Rate estimates reflect usage of ~1,000 kWh/month in Oncor territory.
How to Choose the Right Constellation Plan
Choosing a Constellation Energy plan is less about managing usage windows or chasing promotional discounts and more about aligning your household’s needs with the level of pricing stability you want. Because Constellation does not rely on bill credits or time-of-use incentives, plan selection typically comes down to contract length, expected time in your home, and comfort with price fluctuations.
Constellation’s approach emphasizes simplicity — fixed rates, clearly structured Electricity Facts Labels (EFLs), and minimal variables. That makes plans easier to evaluate, but it also means there’s less opportunity for strategic savings tied to usage behavior.
Here’s how to decide which type of Constellation plan may be the best fit:
| Your Situation | Plan to Consider | Why It Works |
| You want predictable monthly bills with minimal fine print | Constellation 12 Secure | Locks in pricing for a year without usage tiers, bill credits, or time-based rules |
| You expect to stay in your home for multiple years | Constellation 24 Secure | Extends price stability while reducing exposure to short-term market swings |
| You want the longest available price lock | Basic Secure 36 | Maximizes long-term rate consistency for households planning to stay put |
| You want renewable energy without added complexity | 100% Green Choice 12 | Maintains fixed pricing while supporting renewable generation through RECs |
| You’re renting and need short-term flexibility | Variable Month-to-Month | No long-term commitment, but rates can change month to month |
Pro Tip: Constellation tends to work best for customers who want a low-maintenance electricity plan they don’t need to monitor or optimize. If you prefer plans that reward shifting usage, targeting specific kWh ranges, or timing energy use around off-peak hours, bill-credit or time-of-use providers may offer more savings opportunities.
If clarity and stability matter more than chasing the lowest possible rate, Constellation’s plans are easier to understand and harder to misread.
Business Electricity Savings. Simplified.
Get competitive quotes from top Texas providers, customized for your business size, location, and energy needs.
- Rates for businesses under 5,000 sq. ft.
- Custom quotes for larger operations
- Fixed-rate plans & longer terms available
on Google Reviews
| Proudly Texan
Constellation Energy Service Areas
Constellation Energy operates in Texas’s deregulated electricity market, meaning service is available in many — but not all — parts of the state. Availability depends on whether your location allows retail electric choice and which TDU serves your address.
Constellation plans are generally available in areas served by major Texas TDUs, including:
- Oncor Electric Delivery
- CenterPoint Energy
- AEP Texas Central
- AEP Texas North
Reminder: Customers in regulated areas, such as those served by municipal utilities or electric cooperatives, are not eligible to choose Constellation or other REPs.
How to check availability: Because service eligibility is area specific, customers should confirm availability by entering their ZIP code at Shop Texas Electricity before enrolling.
Constellation Energy Customer Reviews
Customer reviews for Constellation Energy tend to reflect its positioning in the Texas electricity market: straightforward plans, predictable pricing, and fewer promotional features. Many customers who choose Constellation do so specifically to avoid bill credits, usage tiers, or time-based pricing — and reviews often align with those expectations.
Here’s what customers commonly report:
What Customers Like:
- Stable Billing and Predictable Costs: Constellation’s fixed-rate plans get positive feedback for being easy to understand. Customers appreciate that there are no surprise bill credits or timing rules that can cause unexpected charges.
“My bill is almost the same every month. No tricks, just a steady rate.”.
– Google Review - Simple Plan Structures: Reviewers often mention that Constellation’s plan terms are more straightforward than those of discount REPs that rely on usage tiers or off-peak windows.
““Finally a plan I don’t have to track hour by hour.”
– Apple Review
Where Customers Report Issues:
- Higher Pricing Than Budget REPs: Many negative reviews point out that Constellation’s rates often sit above the least expensive providers. Customers who shop strictly by lowest kWh price sometimes feel they overpaid.
“The service is fine, but I switched when I realized I could get a lower rate elsewhere.”
– BBB Review - Customer Service Delays: Like many large REPs, Constellation receives mixed feedback on support response times. Some customers find the phone support helpful, while others mention long waits during billing disputes.
“Took a few calls to get my issue fixed, but once I reached the right person it was resolved.”.
– Consumer Affairs Review
Better Business Bureau Rating
Constellation Energy holds an A+ rating with the Better Business Bureau (BBB). As with many large national energy companies, BBB complaints typically relate to billing questions, contract terms, or service expectations rather than power delivery, which is handled by the local TDU.
While BBB ratings and complaint volumes can provide useful context, they should be considered alongside the provider’s plan structure and whether it aligns with your priorities. Customers who value simple fixed-rate pricing often report fewer surprises than those switching from heavily promotional plans.
What Reviews Suggest to Us
Constellation Energy tends to receive the most positive feedback from customers who:
- Prefer fixed-rate pricing without usage targets
- Value clarity over promotional savings
- Plan to stay in one place for the full contract term
Customers focused primarily on finding the lowest possible advertised rate or flexible, incentive-driven plans may be less satisfied with Constellation’s offerings.
Contact Constellation Energy
If you need help choosing a plan, managing your account, or resolving a billing question, Constellation Energy offers several customer support options. Like all REPs in Texas, Constellation handles plan enrollment, billing, and account-related requests, while outage issues must be reported directly to your local TDU.
Ways to Contact Constellation Energy:
- Customer Care Phone: 1-888-900-7052
Hours: Monday – Friday, 7 a.m. – 8 p.m. CST; Saturday, 8 a.m. – 5 p.m. CST - Website: www.constellation.com
- Mailing Address:
Constellation Energy
P.O. Box 4911
Houston, TX 77210-4911 - Online Chat: Live chat is available on the Constellation website for account support and general plan questions.
- Mobile App: Constellation’s app (iOS and Android) lets customers view usage trends, pay bills, set up AutoPay, and track account activity.
Customers can also request service transfers, explore renewal options, and update contact information directly through their online account dashboard.
FAQs
Who do I contact if my power goes out with Constellation Energy?
If your power goes out, you’ll need to contact your local transmission and distribution utility (TDU), not Constellation Energy. In Texas, TDUs are responsible for maintaining power lines and restoring service during outages. Constellation handles your electricity plan, billing, and account support, but it does not manage outages or repairs.
Does Constellation Energy require a deposit?
Constellation may require a deposit based on the results of a soft credit check during enrollment. Deposit requirements follow Public Utility Commission of Texas (PUCT) guidelines and are generally capped at the cost of two average monthly bills based on expected usage.
Some customers may qualify for deposit waivers, including seniors (age 65+), customers with a recent 12-month history of on-time payments with another utility, or those with certain documented medical conditions. Deposit requirements are typically determined during enrollment.
What happens when a Constellation Energy contract expires?
When a fixed-rate Constellation Energy contract expires, customers are typically notified of renewal options. If no new plan is selected, service may continue on a default month-to-month rate, which can be higher and more volatile than fixed-rate pricing. Reviewing renewal notices and selecting a new plan before the contract ends can help avoid unexpected price changes.
How long does it take to switch to Constellation Energy in Texas?
Switching to Constellation Energy typically takes one to seven business days, depending on your location and meter type. In most cases, there is no interruption in service, and your local utility continues delivering electricity throughout the transition. Customers enrolling at the end of an existing contract may also be able to schedule service to begin on a future date.
Final Thoughts
Constellation Energy is intentionally built for simplicity. Its Texas electricity plans avoid bill credits, usage thresholds, and time-of-use rules in favor of fixed-rate contracts with clear terms and predictable pricing. For customers who value clarity and consistency — and who plan to stay in their home for the full contract term — that approach can be appealing.
That simplicity comes with tradeoffs. Constellation rarely offers the lowest advertised rate in a given ZIP code, and shoppers focused on short-term savings or promotional pricing will often find cheaper options elsewhere. Its plans are designed to minimize surprises, not to reward strategic usage or aggressive deal-hunting.
In short, Constellation is best suited for households that want a low-maintenance electricity plan from a large, established provider. If your priority is stable billing and straightforward contracts, it’s a strong option to consider. If your main goal is securing the lowest possible rate or leveraging incentives, you may be better served by comparing other Texas REPs.
Before you enroll, see how Constellation Energy’s pricing and contract terms stack up against other leading Texas providers. Start your comparison at ShopTexasElectricity.com.
