Find your utility
In Texas you choose who sells you electricity, but not who delivers it. The delivery utility is fixed by your address, and it decides which plans you can actually buy.
Why this matters more than your ZIP code
Every plan comparison starts by asking for a ZIP code, which makes it look like the ZIP is what matters. It isn't. The ZIP is only used to look up your delivery utility, and the utility is what determines the plan list.
Two consequences people get caught by:
- Different cities, identical plans. Dallas and Fort Worth are both served by Oncor, so they return exactly the same 113 plans. There is no Dallas rate and no Fort Worth rate. There is an Oncor rate.
- One ZIP, two utilities. Some ZIP codes are split across a utility boundary. We checked three on the Gulf Coast — 77590 Texas City, 77573 League City and 77515 Angleton — and every one returns plans from both CenterPoint and Texas‑New Mexico Power. A comparison site that takes your ZIP and shows you one list is guessing which side of the line you live on.
How to tell which one is yours
Look at your electricity bill. The delivery utility is named on it, usually under a heading like “TDU Delivery Charges”, and it is not the company you pay. It will be one of these five.
| Delivery utility | Plans available | Delivery per kWh | Monthly charge |
|---|---|---|---|
| Oncor Electric Delivery | 113 | 6.03¢ | $4.06 |
| CenterPoint Energy Houston Electric | 116 | 5.15¢ | $4.90 |
| AEP Texas Central | 109 | 5.70¢ | $3.24 |
| AEP Texas North | 109 | 5.50¢ | $3.24 |
| Texas-New Mexico Power | 108 | 6.47¢ | $7.85 |
Plan counts are fixed‑rate plans of 12 months or longer on powertochoose.org, 2026-08-12. Delivery charges from the Public Utility Commission of Texas. Municipal utilities and co‑ops are not listed because their customers cannot switch at all — see about.
If you can't find a bill
Enter your ZIP on powertochoose.org and it will name your utility before it shows you any plans. If it offers you two, you're in a split ZIP and you need the bill to settle it.