

Constellation vs Pronto Power : Texas Electricity Head-to-Head
Constellation offers 13 plans starting at 11.8c/kWh while Pronto Power has 14 plans from 15.9c/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 (12.5c/kWh vs 16.2c/kWh). Consistent pricing regardless of how much electricity you use.
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
Plan Type Breakdown
Constellation
Pronto Power
Cancellation Fee Comparison
Constellation
Pronto Power
Renewable Energy Deep Dive
Constellation
Pronto Power
Full Plan Tables
Constellation (0 plans)
No plans available in this service area.
Pronto Power (0 plans)
No plans available in this service area.
Which Provider Fits You Better?
Looking for the Lowest Rate?
Better fit: Constellation
Constellation has the lower advertised rate at 11.8c/kWh (1,000 kWh usage), compared to 15.9c/kWh.
Need Flexibility?
Better fit: Pronto Power
Pronto Power 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 Constellation cheaper than Pronto Power ?
Based on current plan data, Constellation has the lower advertised rate, offering plans starting at 11.8c/kWh compared to 15.9c/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 Constellation offer renewable energy plans compared to Pronto Power ?
Neither Constellation nor Pronto Power 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 Constellation vs Pronto Power ?
Constellation charges $150 flat on its tracked plans, while Pronto Power has no cancellation fee 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, Constellation or Pronto Power ?
Pronto Power currently offers more plan options across the Texas TDU areas we track, with 14 plans compared to 13.
Can I switch from Constellation to Pronto Power ?
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.