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Southwestern Public Service Co
Southwestern Public Service Co served 101,203 residential customers in New Mexico in 2025 (10.7% of the state's residential customers), the 2nd largest of 20 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
- 973 kWh
- At 12.86¢/kWh
- $125
Price ruler0 to 50¢ per kWh
Where 12.86¢ sits.
Southwestern Public Service Co averaged 12.86¢ per kWh against a New Mexico residential average of 15.08¢: 14.8% below the state figure. Among the 3 investor owned utilities in New Mexico with bundled residential sales, it ranks 2nd from the lowest price.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average Southwestern Public Service Co home used 1,044 kWh a month at 9.85¢ and paid $103. In 2025 it used 973 kWh at 12.86¢ and paid $125: the price per kWh is up 30.5%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 9.85 | 12.86 |
| Use, kWh a month | 1,044 | 973 |
| Bill, US$ a month | 102.87 | 125.11 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 101,203 | 1,181,900 | 12.86 |
| Commercial | 26,918 | 2,508,652 | 8.76 |
| Industrial | 214 | 9,037,959 | 5.06 |
Who else is on the line
Homes are one class.
Homes took 9.3% of the electricity Southwestern Public Service Co sold in New Mexico in 2025.
Rooftop solar on its linesnet metering
2,240 roofs.
- Residential net-metered PV
- 2,240installations reported for 2025
- Capacity
- 21.1 MWresidential, net metered
- Per 1,000 homes
- 22.1installations per 1,000 residential customers
Service territoryEIA-861
6 counties.
ChavesCurryEddyLeaQuayRoosevelt
Counties in New Mexico where Southwestern Public Service Co reported serving customers in 2025 (6 in all; up to 24 listed).
EIA-8612025Utility 17718
The filing, line by line.
| Measure | Value | Unit |
|---|---|---|
| Average price | 12.86 | ¢/kWh |
| New Mexico average price | 15.08 | ¢/kWh |
| Difference from state average | -14.8 | % |
| Price change over 5 years | 30.5 | % |
| Typical monthly use | 973 | kWh |
| Typical monthly bill | 125.11 | US$ |
| Residential customers | 101,203 | accounts |
| Share of NM residential customers | 10.7 | % |
| Size rank in NM | 2 of 20 | by customers |
| Price rank, investor owned peers | 2 of 3 | 1 = lowest |
Rate plans on fileOpenEI URDB
None shown for this page. Plan counts appear once per utility, on its largest state's bundled page; how plans are counted.
New Mexico: state average, five-year steps and every provider