Electricity in Tarrant County, Texas
4 electric utilities serve homes in Tarrant County, Texas: Oncor, CoServ Electric, Tri-County Electric Cooperative and United Electric Cooperative Service. In 2025, the average home bill of these utilities was $157.07 (CoServ Electric) to $227.78 (Tri-County Electric Cooperative) a month. This page covers 14 cities with 25,000 or more people in the county, from Arlington to Colleyville.
- 14 cities
- 4 utilities
- EIA and Census data, 2025
Electric utilities in Tarrant County
EIA lists utilities by county, not by address. Your address has one utility: its name is on your bill, or type your ZIP code in the utility finder.
| Utility | Homes in Texas | Average bill 2025 | 1,000 kWh now |
|---|---|---|---|
| OncorInvestor-owned utility · delivery only · bill calculator | 3,545,814 | — | $72.74delivery charges |
| CoServ ElectricElectric cooperative · bill calculator | 310,805 | $157.071,192 kWh, 13.2¢ | — |
| Tri-County Electric CooperativeElectric cooperative | 117,857 | $227.781,512 kWh, 15.1¢ | — |
| United Electric Cooperative ServiceElectric cooperative | 91,268 | $180.471,297 kWh, 13.9¢ | — |
The average bill is the 2025 average of each utility's homes that bought their power from it (EIA-861). The Texas average was $170.95 a month.
Compare retail plans: 174 electricity plans in the Oncor area.
Cities in Tarrant County
| City | People | City-owned utility | Solar kWh a year per kW |
|---|---|---|---|
| Arlington | 402,134 | — | 1,545 |
| Grand Prairie | 209,434 | — | 1,516 |
| Mansfield | 84,444 | — | 1,524 |
| North Richland Hills | 70,843 | — | 1,565 |
| Euless | 60,008 | — | 1,556 |
| Burleson | 56,907 | — | 1,553 |
| Grapevine | 50,714 | — | 1,568 |
| Bedford | 47,958 | — | 1,542 |
| Keller | 46,078 | — | 1,558 |
| Haltom City | 45,542 | — | 1,542 |
| Hurst | 38,974 | — | 1,536 |
| Southlake | 31,175 | — | 1,526 |
| Saginaw | 26,706 | — | 1,556 |
| Colleyville | 25,727 | — | 1,551 |
A city-owned utility is a municipal utility in the county with the city's name (EIA data). Solar output: PVWatts version 8 for a south-facing roof; see the solar savings calculator.
More about Texas: Texas electric rates, all Texas utilities, home energy rebates and natural gas bills.
Who provides electricity in Tarrant County?
4 electric utilities serve homes in Tarrant County, Texas: Oncor, CoServ Electric, Tri-County Electric Cooperative and United Electric Cooperative Service. The name of your utility is on your bill.
Which cities in Tarrant County are on this page?
Arlington, Grand Prairie, Mansfield, North Richland Hills, Euless, Burleson, Grapevine, Bedford, Keller, Haltom City, Hurst, Southlake, Saginaw and Colleyville.
Sources: EIA-861 data, 2025 (utilities by county, homes and average bills); Census Bureau city population estimates, Vintage 2025; PVWatts (National Laboratory of the Rockies).