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Electricity rates in San Leon, TX typically range from 8¢ to 16¢ per kWh depending on plan type, term length, and usage level. San Leon residents can choose from 100+ plans from PUCT-licensed providers like TXU Energy, Reliant, Gexa Energy, and Constellation. Texas-New Mexico Power (TNMP) delivers the power—you pick your retail provider and rate. The Texas state average is 15.8¢/kWh, so competitive plans often save San Leon households $200-500 annually.
Rate ranges verified January 9, 2026 · Reviewed by Brad
San Leon residents can choose their electricity provider and save money on their monthly bills.
Compare electricity rates from licensed providers serving San Leon in the Texas-New Mexico Power (TNMP) service area. Enter your Galveston County ZIP code to see real-time rates and switch in minutes.
Your Texas-New Mexico Power (TNMP) service area will be identified and competitive rates displayed.
See real-time offers from multiple retail electric providers serving San Leon.
Enrollment takes 2 minutes. Moving? Get same-day activation. Already have service? Texas-New Mexico Power (TNMP) continues delivering power without interruption.
San Leon customers can compare rates from providers like TXU Energy, Reliant, Constellation, and Rhythm Energy—all PUCT-licensed.
Texas-New Mexico Power (TNMP) continues delivering electricity to your San Leon home. Only your retail provider changes—same wires, same reliability.
Lock in fixed rates for 6-36 months and avoid seasonal price fluctuations in the ERCOT Texas electricity market.
Choose 100% renewable plans from Green Mountain Energy, Chariot Energy, or other providers offering wind and solar electricity.
We know moving is overwhelming. Getting electricity shouldn't add to your stress.
Need power turned on today? Many plans offer same-day or next-day activation for your new San Leon home.
Landlord needs proof of electricity? Get your account number instantly after enrollment—no waiting.
100% online enrollment. No phone calls, no technician visits, no paperwork. Just power when you need it.
Licensed retail electricity providers serving the Texas-New Mexico Power (TNMP) service area
All providers are PUCT-licensed retail electricity providers
View All ProvidersTexas-New Mexico Power (TNMP) is a Transmission and Distribution Utility (TDU) operating within the ERCOT grid serving San Leon in Galveston County. Texas-New Mexico Power (TNMP) maintains power lines and meters—your retail provider (TXU, Reliant, Gexa, etc.) sells the electricity itself.
Texas deregulated its electricity market in 2002 under Senate Bill 7, overseen by the Public Utility Commission of Texas (PUCT). San Leon residents can compare rates from 50+ licensed providers and switch online in minutes.
Learn about Texas-New Mexico Power (TNMP) service area and compare electricity plans for San Leon.
View TDU detailsBrowse all Texas TDU service areas and compare electricity rates across the state.
View all TDUsLearn how Texas electricity choice works and how San Leon residents can save money.
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To compare electricity rates in San Leon, enter your ZIP code on ElectricRates.org to see real-time rates from licensed providers serving the Texas-New Mexico Power (TNMP) service area. You can compare fixed-rate, variable-rate, and renewable energy plans side by side based on your estimated monthly usage.
Electricity rates in San Leon vary based on plan type, contract term, and usage level. As of 2025, residential rates in the Texas-New Mexico Power (TNMP) service area typically range from 8-15 cents per kWh for fixed-rate plans. Use our rate comparison tool to see current rates specific to your ZIP code.
Yes, San Leon is in Texas's deregulated electricity market. Residents in Galveston County can choose from dozens of licensed retail electricity providers. Your transmission and distribution utility (Texas-New Mexico Power (TNMP)) delivers the power, but you select which company supplies your electricity.
Switching electricity providers in San Leon is simple: 1) Compare rates using your ZIP code, 2) Choose a plan that fits your needs, 3) Sign up online with your Texas-New Mexico Power (TNMP) account number, 4) Your new provider handles the switch—no service interruption. The process takes 1-2 billing cycles.
Texas-New Mexico Power (TNMP) is the Transmission and Distribution Utility (TDU) serving San Leon and surrounding areas in Galveston County. They own and maintain the power lines, meters, and infrastructure that deliver electricity to your home. While you choose your retail electricity provider, Texas-New Mexico Power (TNMP) handles outages, meter readings, and power delivery.
Yes, many electricity providers offer 100% renewable energy plans in San Leon. These plans source electricity from wind and solar farms across Texas. Green Mountain Energy, Chariot Energy, and other providers offer competitive renewable options in the Texas-New Mexico Power (TNMP) service area.
If you don't actively choose a retail electricity provider in San Leon, you'll be assigned to a Provider of Last Resort (POLR) at rates typically higher than competitive market rates. We recommend comparing plans and selecting a provider to ensure you're getting the best rate for your usage.
Your San Leon electricity bill includes: your retail provider's energy charges (the rate you pay per kWh), Texas-New Mexico Power (TNMP) delivery charges (transmission fees), taxes, and any applicable fees. The total is based on your monthly kWh usage multiplied by these combined rates. Most providers offer all-in pricing that simplifies comparison.
Have more questions about electricity in San Leon? Check rates for your ZIP code
"The content found for my zip code was so helpful in making a decision about switching service. There were lots of options and each had detailed info on terms, how bills are calculated. The choice for size of home was particularly helpful."
"Everything was exceptionally easy, from signing up to getting a quote and to getting connected. In fact, it was so easy I thought for sure I had missed a step. Super easy and quick."
"Before I never knew this many providers and plans with bill credits and free nights/weekends existed! Adding the ability to use last year's monthly usage to find the best new plan makes this perfect for saving money."
