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Ambit Energy logo
Ambit Energy
Vistra Corp (NYSE: VST)
VS
TXU Energy logo
TXU Energy
Vistra Corp (NYSE: VST)

Ambit Energy vs TXU Energy

Reviewed by Enri Zhulati ·

Quick Verdict

Plot twist: same corporate parent. Different marketing, same billing system. You're picking which brand name gets your check.

Since they're the same company, check ComparePower to see which brand is offering better rates right now.

Plot twist: Vistra owns both Ambit Energy and TXU Energy. You're not comparing competitors—you're choosing which division of Vistra gets your money.

Plot Twist: Same Company

Plot twist: Vistra owns both Ambit Energy and TXU Energy. You're not comparing competitors—you're choosing which division of Vistra gets your money.

What Actually Differs

Ambit Energy and TXU Energy 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

Ambit Energy: Owned by Vistra Corp (NYSE: VST). 20 years in Texas—they've survived enough grid crises to prove they won't fold mid-contract. Based in Irving, Texas.

TXU Energy: Owned by Vistra Corp (NYSE: VST). 24 years in Texas—that track record matters when you're signing a multi-year contract. Based in Irving, Texas.

What They Actually Sell

Ambit Energy offers fixed-rate, variable-rate, free-nights, green, solar-buyback. They sell "green" plans (mostly accounting—same electrons, but they buy renewable credits).

TXU Energy offers fixed-rate, variable-rate, time-of-use, free-nights, free-weekends, green, solar-buyback. They sell "green" plans (mostly accounting—same electrons, but they buy renewable credits).

The Money Part

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

TXU Energy: 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
TXU Energy

24 years vs 20—4+ 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 Ambit Energy TXU Energy
Parent Company Vistra Corp (NYSE: VST) Vistra Corp (NYSE: VST)
Years in Texas 20+ 24+
Headquarters Irving, Texas Irving, 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
Ambit Energy
TXU Energy
BBB Rating
B+
Not Accredited
View Profile
A+
BBB Accredited
View Profile
Winner
Google Reviews
3.7
2.5K+ reviews
4.7
9K+ reviews
Winner
Trustpilot
No data
4.8
Excellent
2658 reviews
View Profile
Winner
Trust Score(weighted)
3.8
out of 5.0
4.8
out of 5.0
Winner

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

Complaint Comparison

PUCT Data • Jul-Dec 2025

Ambit Energy

6.4per 10k
Average
Top: Billing

TXU Energy

2.9per 10k
Below avg
Top: Billing

TXU Energy has 3.4 fewer complaints per 10k customers

The Verdict

Choose Ambit Energy if...
  • You have an Ambit consultant you genuinely want to support
  • You want the Free Energy referral program and will recruit 15+ customers
  • You like earning rewards on your electricity bill (Ultimate Perks program)
Choose TXU Energy if...
  • You want more green plan variety (check if they have actual renewable generation backing)
  • You want plan variety: free nights, seasonal discounts, solar, EV charging
  • You value 24/7 phone support that actually picks up
  • You're staying 1-2 years and want the 60-day satisfaction guarantee as a safety net

Done researching? See actual rates.

Ambit Energy or TXU Energy — find out which one is cheaper at your address.

Or call (877) 418-2140

Frequently Asked Questions

Q: When should I choose Ambit Energy over TXU Energy?
A:

You have an Ambit consultant you genuinely want to support. You want the Free Energy referral program and will recruit 15+ customers. You like earning rewards on your electricity bill (Ultimate Perks program).

Q: When should I choose TXU Energy over Ambit Energy?
A:

You want more green plan variety (check if they have actual renewable generation backing). You want plan variety: free nights, seasonal discounts, solar, EV charging. You value 24/7 phone support that actually picks up. You're staying 1-2 years and want the 60-day satisfaction guarantee as a safety net.

Q: What is the main difference between Ambit Energy and TXU Energy?
A:

TXU Energy 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: Are Ambit Energy and TXU Energy the same company?
A:

Plot twist: yes. Ambit Energy and TXU Energy are both owned by Vistra Corp. Same corporate parent, same billing system, different marketing. You're not comparing competitors—you're picking which brand name Vistra Corp uses to take your money. The only real question: which brand gets better rates right now. Check ComparePower.

Q: Is Ambit Energy or TXU Energy 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, Ambit Energy or TXU Energy?
A:

TXU Energy: 24 years. Ambit Energy: 20 years. Similar track records. Both have survived enough Texas summers to prove they won't fold mid-contract.

Q: Which is better for green energy, Ambit Energy or TXU Energy?
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 Ambit Energy and TXU Energy offer?
A:

Ambit Energy: fixed-rate, variable-rate, free-nights, green, solar-buyback. TXU Energy: fixed-rate, variable-rate, time-of-use, free-nights, free-weekends, green, solar-buyback. TXU Energy has more options (7 plan types vs 5). More options = more ways to optimize, but also more ways to pick wrong. If you just want simple fixed-rate power, ignore the complexity. If you have specific needs (EV charging at night, pool pump, work-from-home AC), the right specialty plan can save you $50/month.

Q: Which is better overall, Ambit Energy or TXU Energy?
A:

Same grid. Same wires. Same electrons. The electricity is literally identical—the only differences are price, service, and plan options. Ambit Energy wins if you have an ambit consultant you genuinely want to support. TXU Energy wins if you want plan variety: free nights, seasonal discounts, solar, ev charging. For everyone else? Whoever's cheaper for your usage right now. Check ComparePower—it takes 2 minutes.