Green Mountain Energy vs Octopus Energy: Texas Electricity Head-to-Head
Green Mountain Energy offers 31 plans starting at 13.9c/kWh while Octopus Energy has 37 plans from 9.9c/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 (9.9c/kWh vs 14.0c/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
| Term | Green Mountain Energy Best Plan | Rate | Fee | Octopus Energy Best Plan | Rate | Fee | Winner |
|---|---|---|---|---|---|---|---|
| 6 Month | N/A | N/A | N/A | Octo Simple 3EFL | 9.9c | $150 flat | Octopus Energy |
| 12 Month | Pollution Free e-Plus 9 ChoiceEFL | 13.9c | $95 flat | Octo Simple 9EFL | 11.6c | $150 flat | Octopus Energy |
| 24 Month | Pollution Free e-Plus 24 ChoiceEFL | 14.2c | $295 flat | Octo Simple 24EFL | 13.9c | $250 flat | Octopus Energy |
| 36 Month | Pollution Free e-Plus 36 ChoiceEFL | 14.3c | $395 flat | N/A | N/A | N/A | Green Mountain Energy |
Plan Type Breakdown
Green Mountain Energy
Octopus Energy
Cancellation Fee Comparison
Green Mountain Energy
Octopus Energy
Renewable Energy Deep Dive
Green Mountain Energy
Octopus Energy
Full Plan Tables
Which Provider Fits You Better?
Looking for the Lowest Rate?
Better fit: Octopus Energy
Octopus Energy has the lower advertised rate at 9.9c/kWh (1,000 kWh usage), compared to 13.9c/kWh.
Want a Long-Term Price Lock?
Better fit: Octopus Energy
Octopus Energy has the better option for locking in a rate on a 24-month contract.
Going Green?
Better fit: Octopus Energy
Octopus Energy offers more 100% renewable plans (35 vs 25).
Need Flexibility?
Better fit: Octopus Energy
Octopus Energy 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 Green Mountain Energy cheaper than Octopus Energy?
Based on current plan data, Octopus Energy has the lower advertised rate, offering plans starting at 9.9c/kWh compared to 13.9c/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 Green Mountain Energy offer renewable energy plans compared to Octopus Energy?
Green Mountain Energy offers 25 plans (81% of its lineup) at 100% renewable energy, while Octopus Energy offers 35 plans (95% of its lineup).
What are the cancellation fees for Green Mountain Energy vs Octopus Energy?
Green Mountain Energy charges $95 - $395 (mixed fee types) on its tracked plans, while Octopus Energy charges $150 - $250 (mixed fee types) 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, Green Mountain Energy or Octopus Energy?
Octopus Energy currently offers more plan options across the Texas TDU areas we track, with 37 plans compared to 31.
Can I switch from Green Mountain Energy to Octopus Energy?
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.