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Armstrong County, TX Energy
Electric utilities, power plants and charging stations in Armstrong County, Texas.
- Texas home electricity
- 15.88¢/kWh
- July 2026
- Texas regular gas
- $3.70/gal
- Week of 10/19/2026
- Electric utilities
- 3
- Serving Armstrong County
Electric utilities serving Armstrong County
As reported to EIA for 2025. A utility may serve only part of the county. Customers and prices are for its whole Texas service area
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| Utility | Customers in state | Home price | Home bill |
|---|---|---|---|
| Southwestern Public Service CoInvestor Owned | 282,824 | 13.94¢/kWh | $131/mo |
| Swisher Electric Coop, IncCooperative | 7,912 | Not reported | Not reported |
| Greenbelt Electric Coop, IncCooperative | 5,678 | 17.88¢/kWh | $107/mo |
Power plants in Armstrong County
266 MW of operating capacity
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| Plant | Fuel | Capacity |
|---|---|---|
| Goodnight | Wind | 266 MW |
Electricity rates and gas prices are state or regional averages. Utility service areas come from EIA Form 861 and are listed by county, so a utility listed here may not serve every address in the county.
Frequently asked questions
- What electric company serves Armstrong County?
- Southwestern Public Service Co, Swisher Electric Coop, Inc, Greenbelt Electric Coop, Inc report serving Armstrong County to EIA. Check your bill or address with the utility to confirm which one serves you.
- Are there power plants in Armstrong County?
- Yes. Armstrong County has 1 operating power plant with 266 MW of capacity. The largest is Goodnight (266 MW, wind).