Express Energy vs Green Mountain Energy: Texas Electricity Head-to-Head
Express Energy offers 10 plans starting at 6.8c/kWh while Green Mountain Energy has 31 plans from 13.9c/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 (9.8c/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 | Express Energy Best Plan | Rate | Fee | Green Mountain Energy Best Plan | Rate | Fee | Winner |
|---|---|---|---|---|---|---|---|
| 12 Month | Flash Value 12EFL | 6.8c | $20/mo remaining | Pollution Free e-Plus 9 ChoiceEFL | 13.9c | $95 flat | Express Energy |
| 24 Month | N/A | N/A | N/A | Pollution Free e-Plus 24 ChoiceEFL | 14.2c | $295 flat | Green Mountain Energy |
| 36 Month | N/A | N/A | N/A | Pollution Free e-Plus 36 ChoiceEFL | 14.3c | $395 flat | Green Mountain Energy |
Plan Type Breakdown
Express Energy
Green Mountain Energy
Cancellation Fee Comparison
Express Energy
Green Mountain Energy
Renewable Energy Deep Dive
Express Energy
Green Mountain Energy
Full Plan Tables
Which Provider Fits You Better?
Looking for the Lowest Rate?
Better fit: Express Energy
Express Energy has the lower advertised rate at 6.8c/kWh (1,000 kWh usage), compared to 13.9c/kWh.
Want a Long-Term Price Lock?
Better fit: Green Mountain Energy
Green Mountain Energy has the better option for locking in a rate on a 24-month or longer contract.
Going Green?
Better fit: Green Mountain Energy
Green Mountain Energy offers more 100% renewable plans (25 vs 0).
Need Flexibility?
Better fit: Express Energy
Express Energy uses a per-month cancellation structure, so your fee decreases over time - making it easier to switch later.
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 Express Energy cheaper than Green Mountain Energy?
Based on current plan data, Express Energy has the lower advertised rate, offering plans starting at 6.8c/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 Express Energy offer renewable energy plans compared to Green Mountain Energy?
Express Energy offers 0 plans (0% of its lineup) at 100% renewable energy, while Green Mountain Energy offers 25 plans (81% of its lineup).
What are the cancellation fees for Express Energy vs Green Mountain Energy?
Express Energy charges $20/mo remaining on its tracked plans, while Green Mountain Energy charges $95 - $395 (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, Express Energy or Green Mountain Energy?
Green Mountain Energy currently offers more plan options across the Texas TDU areas we track, with 31 plans compared to 10.
Can I switch from Express Energy to Green Mountain 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.