Cirro Energy vs Flagship Power
Quick Verdict
Cirro Energy has 24 years in Texas. Flagship Power has 5. That's not nothing—Cirro Energy survived every grid crisis since 2002.
Experience matters for stability. Price matters for your wallet. Check both on ComparePower.
19-Year Experience Gap
Cirro Energy: 24 years in Texas. Flagship Power: 5 years. Companies don't survive 24 Texas summers by accident.
Complaint Comparison
PUCT Data • Jul-Dec 2025
Cirro Energy
Flagship Power
Cirro Energy and Flagship Power have similar complaint rates
Trust & Reputation
External ratings comparison
Trust Score is a weighted average: Google (40%), BBB (35%), Trustpilot (25%)
The Verdict
- You want a company that's survived 24 Texas summers (Flagship Power has 5)
- You want green energy (it's mostly accounting, but Flagship Power doesn't even offer that)
- You need month-to-month—Flagship Power locks you in for 6 months minimum
- You want the absolute lowest rates available
- Price is your only consideration
- You don't need fancy features or rewards
Category Breakdown
24 years vs 5—19+ more grid crises survived
Only Cirro Energy sells green plans (it's mostly accounting, but it's something)
Rates change constantly. Check ComparePower with your actual usage.
Side-by-Side Comparison
| Feature | Cirro Energy | Flagship Power |
|---|---|---|
| Parent Company | NRG Energy (NYSE: NRG) | Independent |
| Years in Texas | 24+ | 5+ |
| Headquarters | Plano, Texas | Houston, Texas |
| Fixed-Rate Plans | ||
| Variable Plans | ||
| Prepaid Options | ||
| Green Energy | ||
| Free Nights/Weekends | ||
| Deposit Required | Conditional | Conditional |
| Credit Check |
What Actually Differs
Cirro Energy and Flagship Power 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
Cirro Energy: Owned by NRG Energy (NYSE: NRG). 24 years in Texas—they've survived enough grid crises to prove they won't fold mid-contract. Based in Plano, Texas.
Flagship Power: Owned by Independent. 5 years in Texas—that track record matters when you're signing a multi-year contract. Based in Houston, Texas.
What They Actually Sell
Cirro Energy offers fixed-rate, variable-rate, green. They sell "green" plans (mostly accounting—same electrons, but they buy renewable credits).
Flagship Power offers fixed-rate, variable-rate.
The Money Part
Cirro Energy: Deposit depends on credit—expect $200-400 if your score is below 600.
Flagship Power: 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 up to the "Choose if..." sections—they'll tell you which one fits your situation. For actual rates, check ComparePower. Takes 2 minutes.
Company Snapshots
Cirro Energy
- Parent Company
- NRG Energy (NYSE: NRG)
- Years in Texas
- 24+
- Headquarters
- Plano, Texas
- Deposit Required
- conditional
Flagship Power
- Parent Company
- Independent
- Years in Texas
- 5+
- Headquarters
- Houston, Texas
- Deposit Required
- conditional
More Head-to-Head Matchups
See who wins when Cirro Energy and Flagship Power face other competitors.
Featured In Best-Of Lists
See where Cirro Energy and Flagship Power are featured in our category guides.
"I like that it searched multiple companies for me. So I don't have to search one by one. Saves time."
— Lacy L., Texas
View Company Profiles
Read full profiles to decide which fits your needs.
Frequently Asked Questions
Q: When should I choose Cirro Energy over Flagship Power? ▼
You want a company that's survived 24 Texas summers (Flagship Power has 5). You want green energy (it's mostly accounting, but Flagship Power doesn't even offer that). You need month-to-month—Flagship Power locks you in for 6 months minimum.
Q: When should I choose Flagship Power over Cirro Energy? ▼
You want the absolute lowest rates available. Price is your only consideration. You don't need fancy features or rewards.
Q: What is the main difference between Cirro Energy and Flagship Power? ▼
Cirro Energy leads in track record, green energy. Both companies deliver the same electricity through the same grid—the real differences are in pricing, service quality, and available plan types.
Q: Is Cirro Energy or Flagship Power 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, Cirro Energy or Flagship Power? ▼
Cirro Energy: 24 years. Flagship Power: 5 years. That 19-year gap matters—Cirro 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, Cirro Energy or Flagship Power? ▼
Cirro Energy sells "green" plans. Flagship Power doesn't. But here's what they don't tell you: "green" electricity in Texas is mostly accounting. They buy renewable energy credits to match your usage—the actual electrons flowing to your house are the same mix as everyone else. If the green marketing matters to you, Cirro Energy is your only option here. If you want actual environmental impact, check if they have renewable generation backing or just paper credits.
Q: What types of plans do Cirro Energy and Flagship Power offer? ▼
Cirro Energy: fixed-rate, variable-rate, green. Flagship Power: fixed-rate, variable-rate. Cirro Energy has more options (3 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, Cirro Energy or Flagship Power? ▼
Same grid. Same wires. Same electrons. The electricity is literally identical—the only differences are price, service, and plan options. Cirro Energy wins if you want green energy baked into every plan--no premium required. Flagship Power wins if you want the absolute lowest rates available. For everyone else? Whoever's cheaper for your usage right now. Check ComparePower—it takes 2 minutes.