Southwestern Public Service Co electricity rates in New Mexico, 2025
Southwestern Public Service Co’s 101,203 residential customers paid an average of 12.86¢ per kWh in 2025, 13% below the New Mexico average of 14.85¢. The typical home used 973 kWh a month, for an average bill of $125.
- 12.86¢avg ¢/kWh (2025)+0.88¢ (+7.3%) vs 2024
- $125Avg monthly billNew Mexico: $95
- 973 kWhAvg monthly useNew Mexico: 638 kWh
- 101,203Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 101,203 | 1,181,900 | $151,934,900 | 12.86¢ | 11.98¢ | +0.88¢ (+7.3%) |
| Commercial | 26,918 | 2,508,652 | $219,649,600 | 8.76¢ | 7.88¢ | +0.88¢ (+11.1%) |
| Industrial | 214 | 9,037,959 | $457,410,400 | 5.06¢ | 4.47¢ | +0.59¢ (+13.2%) |
| All sectors | 128,335 | 12,728,511 | $828,994,900 | 6.51¢ | 6.06¢ | +0.46¢ (+7.6%) |
How Southwestern Public Service Co compares
- New Mexico residential average, 2025: 14.85¢ per kWh, 638 kWh a month, $95 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Among 18 full-service utilities in New Mexico with at least 1,000 residential customers, Southwestern Public Service Co ranks 4 of 18 from lowest to highest average price.
- Latest monthly figure: New Mexico homes paid 16.51¢ per kWh in August 2026 (preliminary), against 15.98¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 7.3%; the state average rose 4.6%.
- Southwestern Public Service Co is an investor-owned utility, a private company whose rates are set by the state utility commission. Balancing authority: SWPP.
Where Southwestern Public Service Co serves
EIA lists 6 New Mexico counties in its 2025 service territory: Chaves, Curry, Eddy, Lea, Quay, Roosevelt.
25 ZIP codes are matched to Southwestern Public Service Co in NREL’s 2024 ZIP file: 88101, 88102, 88103, 88130, 88135, 88201, 88203, 88210, 88211, 88220, 88230, 88231, 88232, 88240, 88242, 88252, 88253, 88254, 88256, 88260, 88263, 88267, 88401, 88416, 88426. Utility boundaries do not follow ZIP lines, so a ZIP can have more than one provider.
New Mexico full-service utilities with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| El Paso Electric Co | 10.34¢ | $74 | 97,258 |
| Lea County Electric Coop, Inc (NM) | 11.03¢ | $119 | 7,292 |
| City of Farmington (NM) | 12.95¢ | $84 | 36,031 |
| Roosevelt County Elec Coop Inc | 13.54¢ | $139 | 3,898 |
| Farmers Electric Coop, Inc (NM) | 13.68¢ | $112 | 10,310 |
| Los Alamos County (NM) | 14.79¢ | $93 | 8,395 |
| Navopache Electric Coop, Inc | 15.10¢ | $68 | 1,500 |
| Kit Carson Electric Coop, Inc | 15.68¢ | $78 | 26,286 |
Sources
- U.S. Energy Information Administration, Annual Electric Power Industry Report, Form EIA-861, 2025 final data (f8612025.zip, file dated October 7, 2026): Sales to Ultimate Customers, Average Monthly Bill and Service Territory tables.
- EIA Form EIA-861, 2024 final data (f8612024.zip, file dated December 4, 2025), for the 2024 comparison.
- EIA Electric Power Monthly, Table 5.6.A (average price by state, August 2026 and August 2025; 2026 values are preliminary), file dated October 22, 2026.
- National Renewable Energy Laboratory via OpenEI, U.S. Electric Utility Companies and Rates: Look-up by Zipcode (2024) (investor-owned and other utilities, files dated November 10, 2025), used only to match ZIP codes to utilities.
Average price = residential revenue ÷ residential kWh sold, as reported to EIA. It includes fixed monthly charges, taxes passed through in revenue and seasonal tiers, averaged over the year. Your own rate depends on your tariff and usage.