Express Energy vs Green Mountain Energy
Quick Verdict
Key difference: Express Energy skips the credit check. Green Mountain Energy runs your credit and might want a deposit.
If credit isn't an issue, compare both on ComparePower. If it is, you know your answer.
Only One Skips the Credit Check
Express Energy doesn't run your credit. Green Mountain Energy runs your credit and might want $200-400 upfront.
What Actually Differs
Express Energy and Green Mountain 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
Express Energy: Owned by Vistra Corp (NYSE: VST) via Value Based Brands LLC. 9 years in Texas—they've survived enough grid crises to prove they won't fold mid-contract. Based in Irving, Texas.
Green Mountain Energy: Owned by NRG Energy (NYSE: NRG). 29 years in Texas—that track record matters when you're signing a multi-year contract. Based in Houston, Texas.
What They Actually Sell
Express Energy offers fixed-rate, green. They sell "green" plans (mostly accounting—same electrons, but they buy renewable credits).
Green Mountain Energy offers fixed-rate, variable-rate, green, solar-buyback. They sell "green" plans (mostly accounting—same electrons, but they buy renewable credits).
The Money Part
Express Energy: Deposit depends on credit—expect $200-400 if your score is below 600. No credit check needed.
Green Mountain 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
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Category Breakdown
29 years vs 9—20+ more grid crises survived
Both sell green plans—check who has actual renewable generation backing
Express Energy skips the credit check entirely. Green Mountain Energy runs your credit and might want $200-400 upfront.
Rates change constantly. Check ComparePower with your actual usage.
Side-by-Side Comparison
| Feature | Express Energy | Green Mountain Energy |
|---|---|---|
| Parent Company | Vistra Corp (NYSE: VST) via Value Based Brands LLC | NRG Energy (NYSE: NRG) |
| Years in Texas | 9+ | 29+ |
| Headquarters | Irving, 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
Trust Score is a weighted average: Google (40%), BBB (35%), Trustpilot (25%)
Complaint Comparison
PUCT Data • Jul-Dec 2025
Express Energy
Green Mountain Energy
Green Mountain Energy has 3.7 fewer complaints per 10k customers
The Verdict
- Your credit is rough and you need to skip the credit check—Green Mountain Energy will run your credit
- You want a no-frills fixed rate from a Vistra-backed provider and never call customer service
- You manage everything online--Express runs 100% paperless
- You want low ETFs ($20/month remaining) that don't punish you for switching
- You want a company that's survived 29 Texas summers (Express Energy has 9)
- You want more green plan variety (check if they have actual renewable generation backing)
- You need month-to-month—Express Energy locks you in for 12 months minimum
Done researching? See actual rates.
Express Energy or Green Mountain Energy — find out which one is cheaper at your address.
Frequently Asked Questions
Q: When should I choose Express Energy over Green Mountain Energy? ▼
Your credit is rough and you need to skip the credit check—Green Mountain Energy will run your credit. You want a no-frills fixed rate from a Vistra-backed provider and never call customer service. You manage everything online--Express runs 100% paperless. You want low ETFs ($20/month remaining) that don't punish you for switching.
Q: When should I choose Green Mountain Energy over Express Energy? ▼
You want a company that's survived 29 Texas summers (Express Energy has 9). You want more green plan variety (check if they have actual renewable generation backing). You need month-to-month—Express Energy locks you in for 12 months minimum.
Q: What is the main difference between Express Energy and Green Mountain Energy? ▼
Express Energy wins on credit flexibility. Green Mountain Energy wins on track record. Both deliver identical electricity through the same wires—the difference is pricing structure, customer service, and plan options.
Q: Is Express Energy or Green Mountain Energy cheaper? ▼
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, Express Energy or Green Mountain Energy? ▼
Green Mountain Energy: 29 years. Express Energy: 9 years. That 20-year gap matters—Green Mountain Energy survived the 2011 freeze, the 2021 disaster, and every summer in between. Track records like that don't happen by accident.
Q: Do Express Energy or Green Mountain Energy offer no-deposit electricity? ▼
Express Energy skips the credit check entirely. Green Mountain Energy runs your credit and might want $200-400 upfront. If you've got credit issues, Express Energy is the clear choice.
Q: Which is better for green energy, Express Energy or Green Mountain Energy? ▼
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 Express Energy and Green Mountain Energy offer? ▼
Express Energy: fixed-rate, green. Green Mountain Energy: fixed-rate, variable-rate, green, solar-buyback. Green Mountain Energy has more options (4 plan types vs 2). 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, Express Energy or Green Mountain Energy? ▼
Same grid. Same wires. Same electrons. The electricity is literally identical—the only differences are price, service, and plan options. Express Energy wins if you want a no-frills fixed rate from a vistra-backed provider and never call customer service. Green Mountain Energy wins if green energy is a real priority, not just a checkbox. For everyone else? Whoever's cheaper for your usage right now. Check ComparePower—it takes 2 minutes.
More Head-to-Head Matchups
See who wins when Express Energy and Green Mountain Energy face other competitors.
Featured In Best-Of Lists
See where Express Energy and Green Mountain Energy are featured in our category guides.
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