Skip to main content
Constellation logo
Constellation
Constellation Energy Corporation (NASDAQ: CEG)
VS
Energy Texas logo
Energy Texas
Goldman Sachs (via Rhythm Energy)

Constellation vs Energy Texas

Reviewed by Enri Zhulati ·

Quick Verdict

Constellation has 15 years in Texas. Energy Texas has 5. That's not nothing—Constellation survived every grid crisis since 2011.

Experience matters for stability. Price matters for your wallet. Check both on ComparePower.

10-Year Experience Gap

Constellation: 15 years in Texas. Energy Texas: 5 years. Companies don't survive 15 Texas summers by accident.

What Actually Differs

Constellation and Energy Texas deliver the exact same electricity through the exact same wires. The electrons don't care whose logo is on your bill. What differs: the price, the service when something goes wrong, and the fine print in contracts.

Who's Behind These Companies

Constellation: Owned by Constellation Energy Corporation (NASDAQ: CEG). 15 years in Texas—they've survived enough grid crises to prove they won't fold mid-contract. Based in Baltimore, Maryland.

Energy Texas: Owned by Goldman Sachs (via Rhythm Energy). 5 years in Texas—that track record matters when you're signing a multi-year contract. Based in Houston, Texas.

What They Actually Sell

Constellation offers fixed-rate, green. They sell "green" plans (mostly accounting—same electrons, but they buy renewable credits).

Energy Texas offers fixed-rate, green. They sell "green" plans (mostly accounting—same electrons, but they buy renewable credits).

The Money Part

Constellation: Deposit depends on credit—expect $200-400 if your score is below 600.

Energy Texas: Deposit depends on credit—expect $200-400 if your score is below 600.

The Honest Answer

Both are legitimate. Neither is a scam. The electricity is identical. What matters is: (1) who's cheaper for your actual usage, (2) whether you need to skip a credit check, and (3) if you care about green marketing. Scroll down to "The Verdict" for the quick answer. For actual rates, check ComparePower. Takes 2 minutes.

See how they compare on price

Enter your ZIP code. Real plans, real prices — takes 30 seconds.

Category Breakdown

Track Record
Constellation

15 years vs 5—10+ more grid crises survived

Green Energy
Tie

Both sell green plans—check who has actual renewable generation backing

Price
Tie

Rates change constantly. Check ComparePower with your actual usage.

Side-by-Side Comparison

Feature Constellation Energy Texas
Parent Company Constellation Energy Corporation (NASDAQ: CEG) Goldman Sachs (via Rhythm Energy)
Years in Texas 15+ 5+
Headquarters Baltimore, Maryland Houston, Texas
Fixed-Rate Plans
Variable Plans
Prepaid Options
Green Energy
Free Nights/Weekends
Deposit Required Conditional Conditional
Credit Check
Trust & Complaint Data

Trust & Reputation

External ratings comparison

Source
Constellation
Energy Texas
BBB Rating
A+
BBB Accredited
View Profile
Winner
A
Not Accredited
View Profile
Google Reviews
4.5
8K+ reviews
4.4
180+ reviews
Trustpilot
3.5
Average
50 reviews
View Profile
Winner
No data
Trust Score(weighted)
4.4
out of 5.0
4.5
out of 5.0

Trust Score is a weighted average: Google (40%), BBB (35%), Trustpilot (25%)

Complaint Comparison

PUCT Data • Jul-Dec 2025

Constellation

2.8per 10k
Below avg
Top: Billing

Energy Texas

6.1per 10k
Average
Top: Billing

Constellation has 3.3 fewer complaints per 10k customers

The Verdict

Choose Constellation if...
  • You want a company that's survived 15 Texas summers (Energy Texas has 5)
  • You want more green plan variety (check if they have actual renewable generation backing)
Choose Energy Texas if...
  • You want 100% green energy with Texas-proud branding instead of Rhythm's tech-startup vibe
  • The 30-day Giddy Up Guarantee lets you walk away penalty-free
  • Soft credit checks that won't ding your score matter to you
  • You want straightforward fixed rates backed by Goldman Sachs money

Done researching? See actual rates.

Constellation or Energy Texas — find out which one is cheaper at your address.

Or call (877) 418-2140

Frequently Asked Questions

Q: When should I choose Constellation over Energy Texas?
A:

You want a company that's survived 15 Texas summers (Energy Texas has 5). You want more green plan variety (check if they have actual renewable generation backing).

Q: When should I choose Energy Texas over Constellation?
A:

You want 100% green energy with Texas-proud branding instead of Rhythm's tech-startup vibe. The 30-day Giddy Up Guarantee lets you walk away penalty-free. Soft credit checks that won't ding your score matter to you. You want straightforward fixed rates backed by Goldman Sachs money.

Q: What is the main difference between Constellation and Energy Texas?
A:

Constellation leads in track record. Both companies deliver the same electricity through the same grid—the real differences are in pricing, service quality, and available plan types.

Q: Is Constellation or Energy Texas cheaper?
A:

Anyone who answers this without knowing your zip code and usage is lying. The "advertised rate" is calculated at exactly 1,000 kWh—use 800 or 1,200 and the math changes completely. Both companies exploit this. Check ComparePower with your actual usage. Takes 2 minutes, and you'll see real numbers instead of marketing.

Q: Which company has been in Texas longer, Constellation or Energy Texas?
A:

Constellation: 15 years. Energy Texas: 5 years. That 10-year gap matters—Constellation survived the 2011 freeze, the 2021 disaster, and every summer in between. Track records like that don't happen by accident.

Q: Which is better for green energy, Constellation or Energy Texas?
A:

Both sell "green" plans. But "green" in Texas electricity means they buy renewable energy credits—it's accounting, not physics. Your electrons come from the same grid as everyone else. Want to know which has renewable generation backing versus just buying paper credits? Gexa has NextEra (the largest renewable generator in the US) behind them. Most others just buy credits. That's the difference.

Q: What types of plans do Constellation and Energy Texas offer?
A:

Constellation: fixed-rate, green. Energy Texas: fixed-rate, green. Similar variety. Both have enough options for most situations.

Q: Which is better overall, Constellation or Energy Texas?
A:

Same grid. Same wires. Same electrons. The electricity is literally identical—the only differences are price, service, and plan options. Constellation wins if you want a fortune 500-backed provider with real generating assets behind the name. Energy Texas wins if you want 100% green energy with texas-proud branding instead of rhythm's tech-startup vibe. For everyone else? Whoever's cheaper for your usage right now. Check ComparePower—it takes 2 minutes.