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Cirro Energy
vs
Constellation

Cirro Energy vs Constellation: Texas Electricity Head-to-Head

Cirro Energy offers 61 plans starting at 6.0c/kWh while Constellation has 25 plans from 10.2c/kWh across all 6 Texas TDU service areas. Here is how their rates, terms, renewable options, and fees compare.

Cirro Energy
Constellation
61
Total Plans
25
6.0c
Lowest Rate
at 1,000 kWh
10.2c
14.7c
Average Rate
at 1,000 kWh
12.8c
16.4c
Rate Spread
max minus min
5.2c
10-36 mo
Term Range
3-36 mo
0 (0%)
100% Renewable
plan count
0 (0%)
0
Time-of-Use Plans
0
0
Prepaid Plans
0
$95 - $395
Cancellation Fee
$50 - $150
6 of 6
Service Areas
of 6 TDUs
6 of 6

Rate Curve Comparison

Cirro Energy ConstellationBest available rate at each usage level
6c8c10c12c14c500 kWh1,000 kWh2,000 kWhMonthly Usage12.6c6.0c10.2c10.7c10.2c10.0c
Rate Curve Winner: Cirro Energy

Lowest average rate across all usage levels (9.6c/kWh vs 10.3c/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

TermCirro Energy Best PlanRateFeeConstellation Best PlanRateFeeWinner
6 MonthN/AN/AN/ASimple Switch 4View PlanEFL10.2c$50 flatConstellation
12 MonthBill Bonus 12View PlanEFL6.0c$150 flatSimple Switch 11View PlanEFL11.3c$50 flatCirro Energy
24 MonthBill Bonus 24View PlanEFL6.0c$295 flat14 Month Usage Bill CreditView PlanEFL10.9c$150 flatCirro Energy
36 MonthSmart Simple 36View PlanEFL15.9c$395 flat36 Month Usage Bill CreditView PlanEFL11.9c$150 flatConstellation

Plan Type Breakdown

Cirro Energy

Fixed Rate61 plans (6.0c - 22.4c)
Variable Rate0 plans
Time-of-Use0 plans
Prepaid0 plans
100% Renewable0 plans

Constellation

Fixed Rate25 plans (10.2c - 15.4c)
Variable Rate0 plans
Time-of-Use0 plans
Prepaid0 plans
100% Renewable0 plans

Cancellation Fee Comparison

Cirro Energy

Flat Fee Plans61 plans
Per-Month-Remaining Plans0 plans
Average Fee$198.69
No-Fee Plans0 plans (0%)
Fee Range$95 - $395

Constellation

Flat Fee Plans25 plans
Per-Month-Remaining Plans0 plans
Average Fee$126
No-Fee Plans0 plans (0%)
Fee Range$50 - $150

Renewable Energy Deep Dive

Cirro Energy

100% Renewable Plans0 plans (0%)
Partial / Non-Renewable61 plans
Avg Renewable RateN/A
Avg Overall Rate14.7c
Green PremiumN/A

Constellation

100% Renewable Plans0 plans (0%)
Partial / Non-Renewable25 plans
Avg Renewable RateN/A
Avg Overall Rate12.8c
Green PremiumN/A

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 6.0c/kWh (1,000 kWh usage), compared to 10.2c/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.

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.

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Frequently Asked Questions

Is Cirro Energy cheaper than Constellation?

Based on current plan data, Cirro Energy has the lower advertised rate, offering plans starting at 6.0c/kWh compared to 10.2c/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?

Neither Cirro Energy nor Constellation currently lists any 100% renewable plans in our tracked Texas service areas, though many standard plans include some percentage of renewable content.

What are the cancellation fees for Cirro Energy vs Constellation?

Cirro Energy charges $95 - $395 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 61 plans compared to 25.

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.