San Isabel Electric Assn, Inc electricity rates in Colorado, 2025
San Isabel Electric Assn, Inc’s 23,415 residential customers paid an average of 18.86¢ per kWh in 2025, 20% above the Colorado average of 15.69¢. The typical home used 628 kWh a month, for an average bill of $118.
- 18.86¢avg ¢/kWh (2025)+1.07¢ (+6.0%) vs 2024
- $118Avg monthly billColorado: $103
- 628 kWhAvg monthly useColorado: 658 kWh
- 23,415Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 23,415 | 176,435 | $33,267,000 | 18.86¢ | 17.78¢ | +1.07¢ (+6.0%) |
| Commercial | 2,740 | 85,901 | $14,085,000 | 16.40¢ | 16.09¢ | +0.31¢ (+1.9%) |
| Industrial | 11 | 156,707 | $11,568,000 | 7.38¢ | 7.24¢ | +0.14¢ (+2.0%) |
| All sectors | 26,166 | 419,043 | $58,920,000 | 14.06¢ | 13.78¢ | +0.28¢ (+2.0%) |
How San Isabel Electric Assn, Inc compares
- Colorado residential average, 2025: 15.69¢ per kWh, 658 kWh a month, $103 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Among 29 full-service utilities in Colorado with at least 1,000 residential customers, San Isabel Electric Assn, Inc ranks 28 of 29 from lowest to highest average price.
- Latest monthly figure: Colorado homes paid 17.17¢ per kWh in August 2026 (preliminary), against 16.21¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 6.0%; the state average rose 5.2%.
- San Isabel Electric Assn, Inc is an electric cooperative, owned by the members it serves; its board sets rates. Balancing authority: WACM.
Where San Isabel Electric Assn, Inc serves
EIA lists 7 Colorado counties in its 2025 service territory: Costilla, Custer, Fremont, Huerfano, Las Animas, Otero, Pueblo.
32 ZIP codes are matched to San Isabel Electric Assn, Inc in NREL’s 2024 ZIP file: 81004, 81005, 81006, 81007, 81008, 81019, 81020, 81022, 81023, 81024, 81027, 81039, 81040, 81046, 81049, 81055, 81059, 81067, 81069, 81081, 81082, 81089, 81091, 81123, 81125, 81131, 81133, 81146, 81152, 81226, 81252, 81253. Utility boundaries do not follow ZIP lines, so a ZIP can have more than one provider.
Colorado full-service utilities with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| United Power, Inc | 16.50¢ | $131 | 103,104 |
| San Miguel Power Assn, Inc | 16.84¢ | $135 | 12,379 |
| Yampa Valley Electric Assn Inc | 16.98¢ | $146 | 23,604 |
| Mountain Parks Electric, Inc | 17.54¢ | $128 | 19,571 |
| Southeast Colorado Power Assn | 17.92¢ | $127 | 8,169 |
| La Plata Electric Assn, Inc | 18.33¢ | $118 | 40,369 |
| Black Hills Colorado Electric, LLC | 18.71¢ | $95 | 97,888 |
| San Luis Valley R E C, Inc | 19.40¢ | $126 | 8,948 |
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.