Cirro Energy vs Constellation: Texas Electricity Head-to-Head
Cirro Energy offers 68 plans starting at 7.1c/kWh while Constellation has 24 plans from 10.9c/kWh across all 6 Texas TDU service areas. Here is how their rates, terms, renewable options, and fees compare.
Rate Curve Comparison
Lowest average rate across all usage levels (10.1c/kWh vs 11.0c/kWh). Consistent pricing regardless of how much electricity you use.
Below 1,000 kWh, Constellation tends to be cheaper. Above that, Cirro Energy has the edge.
Shows the best available all-in rate from each provider at 500, 1,000, and 2,000 kWh usage levels. The best plan may differ at each tier.
Best Plan Per Term Length
| Term | Cirro Energy Best Plan | Rate | Fee | Constellation Best Plan | Rate | Fee | Winner |
|---|---|---|---|---|---|---|---|
| 6 Month | N/A | N/A | N/A | Simple Switch 3EFL | 10.9c | $50 flat | Constellation |
| 12 Month | Bill Bonus 12EFL | 7.1c | $150 flat | 12 Month Usage Bill Credit EFL | 11.3c | $150 flat | Cirro Energy |
| 24 Month | Bill Bonus 24EFL | 7.1c | $295 flat | 14 Month Usage Bill CreditEFL | 11.8c | $150 flat | Cirro Energy |
| 36 Month | N/A | N/A | N/A | 36 Month Usage Bill CreditEFL | 13.3c | $150 flat | Constellation |
Plan Type Breakdown
Cirro Energy
Constellation
Cancellation Fee Comparison
Cirro Energy
Constellation
Renewable Energy Deep Dive
Cirro Energy
Constellation
Full Plan Tables
Which Provider Fits You Better?
Looking for the Lowest Rate?
Better fit: Cirro Energy
Cirro Energy has the lower advertised rate at 7.1c/kWh (1,000 kWh usage), compared to 10.9c/kWh.
Want a Long-Term Price Lock?
Better fit: Cirro Energy
Cirro Energy has the better option for locking in a rate on a 24-month contract.
Going Green?
Better fit: Constellation
Constellation offers more 100% renewable plans (1 vs 0).
Need Flexibility?
Better fit: Constellation
Constellation has more flexible cancellation terms, including short-term or lower-commitment plans.
These rates are based on 1,000 kWh average usage. Your actual savings depend on YOUR usage pattern.
WattTrim analyzes your real Smart Meter data to find the plan that saves you the most - across all providers, not just these two.
Always Free
Trim My BillFrequently Asked Questions
Is Cirro Energy cheaper than Constellation?
Based on current plan data, Cirro Energy has the lower advertised rate, offering plans starting at 7.1c/kWh compared to 10.9c/kWh from the other provider at 1,000 kWh of usage. Your actual cost depends on your usage pattern and the specific plan you choose.
Does Cirro Energy offer renewable energy plans compared to Constellation?
Cirro Energy offers 0 plans (0% of its lineup) at 100% renewable energy, while Constellation offers 1 plan (4% of its lineup).
What are the cancellation fees for Cirro Energy vs Constellation?
Cirro Energy charges $95 - $295 on its tracked plans, while Constellation charges $50 - $150 on its tracked plans. Always review the Electricity Facts Label (EFL) for the exact fee structure before enrolling.
Which provider has more plan options in Texas, Cirro Energy or Constellation?
Cirro Energy currently offers more plan options across the Texas TDU areas we track, with 68 plans compared to 24.
Can I switch from Cirro Energy to Constellation?
Yes. Texas is a deregulated electricity market, so you can switch retail electric providers at any time. If you are still under contract with your current provider, check for an early termination fee before switching. New service with either provider typically starts within 1 to 5 business days of enrollment.