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Atlantex Power logo
Atlantex Power
Atlantic Energy
VS
Spark Energy logo
Spark Energy
Via Renewables (private, W. Keith Maxwell III)

Atlantex Power vs Spark Energy

Reviewed by Enri Zhulati ·

Quick Verdict

Spark Energy has 27 years in Texas. Atlantex Power has 2. That's not nothing—Spark Energy survived every grid crisis since 1999.

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

25-Year Experience Gap

Spark Energy: 27 years in Texas. Atlantex Power: 2 years. Companies don't survive 27 Texas summers by accident.

What Actually Differs

Atlantex Power and Spark 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

Atlantex Power: Owned by Atlantic Energy. 2 years in Texas—they've survived enough grid crises to prove they won't fold mid-contract. Based in The Woodlands, Texas.

Spark Energy: Owned by Via Renewables (private, W. Keith Maxwell III). 27 years in Texas—that track record matters when you're signing a multi-year contract. Based in Houston, Texas.

What They Actually Sell

Atlantex Power offers fixed-rate, free-nights, free-weekends, green. They sell "green" plans (mostly accounting—same electrons, but they buy renewable credits).

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

The Money Part

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

Spark 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
Spark Energy

27 years vs 2—25+ 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 Atlantex Power Spark Energy
Parent Company Atlantic Energy Via Renewables (private, W. Keith Maxwell III)
Years in Texas 2+ 27+
Headquarters The Woodlands, Texas 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
Atlantex Power
Spark Energy
BBB Rating
Not Rated
Not Accredited
View Profile
Not Rated
Not Accredited
View Profile
Google Reviews
4.1
100+ reviews
Winner
3.9
1.2K+ reviews
Trustpilot
No data
No data
Trust Score(weighted)
4.1
out of 5.0
Winner
3.9
out of 5.0

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

Complaint Comparison

PUCT Data • Jul-Dec 2025

Atlantex Power

5.8per 10k
Average
Top: Billing

Spark Energy

5.7per 10k
Average
Top: Billing

Atlantex Power and Spark Energy have similar complaint rates

The Verdict

Choose Atlantex Power if...
  • You want plan variety from a small provider--fixed, green, free nights, free weekends, and a high-usage reward plan
  • You want the 90-day satisfaction guarantee as a safety net on a newer company
  • You want 100% Texas renewable energy without a large price premium
  • You use over 1,000 kWh/month and want the Radiance1000 bill credit plan
Choose Spark Energy if...
  • You want a company that's survived 27 Texas summers (Atlantex Power has 2)
  • You want more green plan variety (check if they have actual renewable generation backing)

Done researching? See actual rates.

Atlantex Power or Spark Energy — find out which one is cheaper at your address.

Or call (877) 418-2140

Frequently Asked Questions

Q: When should I choose Atlantex Power over Spark Energy?
A:

You want plan variety from a small provider--fixed, green, free nights, free weekends, and a high-usage reward plan. You want the 90-day satisfaction guarantee as a safety net on a newer company. You want 100% Texas renewable energy without a large price premium. You use over 1,000 kWh/month and want the Radiance1000 bill credit plan.

Q: When should I choose Spark Energy over Atlantex Power?
A:

You want a company that's survived 27 Texas summers (Atlantex Power has 2). You want more green plan variety (check if they have actual renewable generation backing).

Q: What is the main difference between Atlantex Power and Spark Energy?
A:

Spark 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: Is Atlantex Power or Spark 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, Atlantex Power or Spark Energy?
A:

Spark Energy: 27 years. Atlantex Power: 2 years. That 25-year gap matters—Spark Energy 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, Atlantex Power or Spark 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 Atlantex Power and Spark Energy offer?
A:

Atlantex Power: fixed-rate, free-nights, free-weekends, green. Spark Energy: fixed-rate, variable-rate, free-nights, green. Similar variety. Both have enough options for most situations.

Q: Which is better overall, Atlantex Power or Spark Energy?
A:

Same grid. Same wires. Same electrons. The electricity is literally identical—the only differences are price, service, and plan options. Atlantex Power wins if you want plan variety from a small provider--fixed, green, free nights, free weekends, and a high-usage reward plan. Spark Energy wins if you want flat-rate billing that stays the same every month (under a usage cap). For everyone else? Whoever's cheaper for your usage right now. Check ComparePower—it takes 2 minutes.