Southwestern Public Service Co: average rate and electric bill (2025)
Southwestern Public Service Co (investor-owned utility, Texas) served 223,685 homes in 2025. The average customer used 937 kWh a month and paid $131, an average price of 13.9¢ per kWh including fixed charges, riders and taxes. That is 9% below the Texas average of 15.4¢.
What a bill costs at Southwestern Public Service Co's average price
| Monthly usage | Estimated bill |
|---|---|
| 500 kWh | $70 |
| 1,000 kWh | $139 |
| 1,500 kWh | $209 |
The average price spreads fixed monthly charges over all kWh. At low usage your price per kWh is higher, at high usage lower. Your current tariff can differ from the 2025 average, especially after a rate case.
Calculate your bill · Heat pump vs furnace with this rate
Compare with other utilities in Texas
| Name | ¢/kWh | Avg. bill |
|---|---|---|
| Kerrville Public Utility Board | 9.4 | $108 |
| Magic Valley Electric Coop Inc | 10.5 | $140 |
| City of Bryan | 10.9 | $122 |
| South Plains Electric Coop Inc | 11.0 | $115 |
| Brownsville Public Utilities Board | 11.2 | $124 |
| Nueces Electric Cooperative | 11.3 | $149 |
| Bluebonnet Electric Coop, Inc | 11.6 | $144 |
| Guadalupe Valley Elec Coop Inc | 11.8 | $145 |
| Farmers Electric Coop, Inc | 11.9 | $148 |
| Central Texas Elec Coop, Inc | 12.2 | $131 |
| Trinity Valley Elec Coop Inc | 12.2 | $158 |
| City of New Braunfels | 12.4 | $132 |
| City of San Antonio | 12.4 | $133 |
| Victoria Electric Coop, Inc | 12.4 | $160 |
| Medina Electric Coop, Inc | 12.5 | $144 |
Source: U.S. Energy Information Administration, Form EIA-861 annual data 2025 (released October 2026), utility ID 17718. Average price = residential revenue ÷ residential kWh sold; average bill = revenue ÷ customers ÷ 12.