Pennywise Power vs Xoom Energy
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.
Same corporate owner: NRG Energy owns both Pennywise Power and Xoom Energy. Different brands, same billing system, same corporate parent.
Plot Twist: Same Company
Same corporate owner: NRG Energy owns both Pennywise Power and Xoom Energy. Different brands, same billing system, same corporate parent.
What Actually Differs
Pennywise Power and Xoom 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
Pennywise Power: Owned by NRG Energy (NYSE: NRG). 18 years in Texas—they've survived enough grid crises to prove they won't fold mid-contract. Based in Houston, Texas.
Xoom Energy: Owned by NRG Energy (NYSE: NRG). 15 years in Texas—that track record matters when you're signing a multi-year contract. Based in Huntersville, North Carolina.
What They Actually Sell
Pennywise Power offers fixed-rate, variable-rate.
Xoom Energy offers fixed-rate, variable-rate, prepaid, green. They sell "green" plans (mostly accounting—same electrons, but they buy renewable credits). They offer a prepaid billing option.
The Money Part
Pennywise Power: Deposit depends on credit—expect $200-400 if your score is below 600.
Xoom 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.
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Category Breakdown
Only Xoom Energy sells green plans (it's mostly accounting, but it's something)
Xoom Energy offers a prepaid option. Pennywise Power requires standard credit enrollment.
Rates change constantly. Check ComparePower with your actual usage.
Side-by-Side Comparison
| Feature | Pennywise Power | Xoom Energy |
|---|---|---|
| Parent Company | NRG Energy (NYSE: NRG) | NRG Energy (NYSE: NRG) |
| Years in Texas | 18+ | 15+ |
| Headquarters | Houston, Texas | Huntersville, North Carolina |
| 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
Pennywise Power
Xoom Energy
Pennywise Power and Xoom Energy have similar complaint rates
The Verdict
- You need month-to-month—Xoom Energy locks you in for 6 months minimum
- Historical reference only--Pennywise Power no longer enrolls new customers
- You want green energy (it's mostly accounting, but Pennywise Power doesn't even offer that)
- You want a prepaid pay-as-you-go option—Pennywise Power doesn't offer one
Done researching? See actual rates.
Pennywise Power or Xoom Energy — find out which one is cheaper at your address.
Frequently Asked Questions
Q: When should I choose Pennywise Power over Xoom Energy? ▼
You need month-to-month—Xoom Energy locks you in for 6 months minimum. Historical reference only--Pennywise Power no longer enrolls new customers.
Q: When should I choose Xoom Energy over Pennywise Power? ▼
You want green energy (it's mostly accounting, but Pennywise Power doesn't even offer that). You want a prepaid pay-as-you-go option—Pennywise Power doesn't offer one.
Q: What is the main difference between Pennywise Power and Xoom Energy? ▼
Xoom Energy leads in green energy, credit flexibility. Both companies deliver the same electricity through the same grid—the real differences are in pricing, service quality, and available plan types.
Q: Are Pennywise Power and Xoom Energy the same company? ▼
Plot twist: yes. Pennywise Power and Xoom Energy are both owned by NRG Energy. Same corporate parent, same billing system, different marketing. You're not comparing competitors—you're picking which brand name NRG Energy uses to take your money. The only real question: which brand gets better rates right now. Check ComparePower.
Q: Is Pennywise Power or Xoom 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, Pennywise Power or Xoom Energy? ▼
Pennywise Power: 18 years. Xoom Energy: 15 years. Similar track records. Both have survived enough Texas summers to prove they won't fold mid-contract.
Q: Do Pennywise Power or Xoom Energy offer no-deposit electricity? ▼
Xoom Energy offers a prepaid option. Pennywise Power doesn't have prepaid. Both run credit checks for standard plans and may require deposits based on your credit history.
Q: Which is better for green energy, Pennywise Power or Xoom Energy? ▼
Xoom Energy sells "green" plans. Pennywise Power doesn't. But here's the catch: "green" electricity in Texas is mostly accounting. They buy renewable energy credits—the actual electrons are the same mix as everyone else. If the green marketing matters to you, Xoom Energy is your option. For real environmental impact, check if they have actual renewable generation backing.
Q: What types of plans do Pennywise Power and Xoom Energy offer? ▼
Pennywise Power: fixed-rate, variable-rate. Xoom Energy: fixed-rate, variable-rate, prepaid, green. Xoom 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.
More Head-to-Head Matchups
See who wins when Pennywise Power and Xoom Energy face other competitors.