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Southwestern Public Service Co
Southwestern Public Service Co served 223,685 residential customers in Texas in 2025 (1.7% of the state's residential customers), the 16th largest of 143 utilities reporting there. Bundled service; ownership: investor owned; balancing authority SWPP.
The meter, one average month.
Scroll to run 30 days of Southwestern Public Service Co's average residential use through a five-dial register.
- Used so far
- 937 kWh
- At 13.94¢/kWh
- $131
Price ruler0 to 50¢ per kWh
Where 13.94¢ sits.
Southwestern Public Service Co averaged 13.94¢ per kWh against a Texas residential average of 15.47¢: 9.9% below the state figure. Among the 4 investor owned utilities in Texas with bundled residential sales, it ranks 4th from the lowest price.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average Southwestern Public Service Co home used 993 kWh a month at 10.03¢ and paid $99.61. In 2025 it used 937 kWh at 13.94¢ and paid $131: the price per kWh is up 39%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 10.03 | 13.94 |
| Use, kWh a month | 993 | 937 |
| Bill, US$ a month | 99.61 | 130.54 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 223,685 | 2,514,014 | 13.94 |
| Commercial | 58,996 | 3,291,829 | 9.67 |
| Industrial | 143 | 7,792,063 | 5.04 |
Who else is on the line
Homes are one class.
Homes took 18.5% of the electricity Southwestern Public Service Co sold in Texas in 2025.
Service territoryEIA-861
45 counties.
AndrewsArmstrongBaileyBordenBriscoeCarsonCastroCochranCottleCrosbyDallamDawsonDeaf SmithDonleyEctorFloydFoardGainesGarzaGrayHaleHansfordHartleyHemphill
Counties in Texas where Southwestern Public Service Co reported serving customers in 2025 (45 in all; up to 24 listed).
EIA-8612025Utility 17718
The filing, line by line.
| Measure | Value | Unit |
|---|---|---|
| Average price | 13.94 | ¢/kWh |
| Texas average price | 15.47 | ¢/kWh |
| Difference from state average | -9.9 | % |
| Price change over 5 years | 39.0 | % |
| Typical monthly use | 937 | kWh |
| Typical monthly bill | 130.54 | US$ |
| Residential customers | 223,685 | accounts |
| Share of TX residential customers | 1.7 | % |
| Size rank in TX | 16 of 143 | by customers |
| Price rank, investor owned peers | 4 of 4 | 1 = lowest |
Rate plans on fileOpenEI URDB
3 active plans.
- Time-of-use
- 1more than one energy period within a month
- Seasonal only
- 2price changes by month, not by hour
- Median fixed charge
- $11.20US dollars per month
Active residential plans: not ended, started within the last 5 years, latest version of each plan name. Time-of-use means more than one energy period within a single month; plans whose price changes only by season are counted as seasonal.
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