Colorado · EIA utility 11187 · Full-service utility
City of Longmont electricity rates in Colorado, 2025
City of Longmont’s 41,483 residential customers paid an average of 13.12¢ per kWh in 2025, 16% below the Colorado average of 15.69¢. The typical home used 674 kWh a month, for an average bill of $88.
- 13.12¢avg ¢/kWh (2025)+0.82¢ (+6.7%) vs 2024
- $88Avg monthly billColorado: $103
- 674 kWhAvg monthly useColorado: 658 kWh
- 41,483Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 41,483 | 335,388 | $44,002,500 | 13.12¢ | 12.30¢ | +0.82¢ (+6.7%) |
| Commercial | 2,897 | 336,981 | $40,692,800 | 12.08¢ | 11.04¢ | +1.04¢ (+9.4%) |
| Industrial | 10 | 132,196 | $12,622,600 | 9.55¢ | 8.89¢ | +0.66¢ (+7.4%) |
| All sectors | 44,390 | 804,565 | $97,317,900 | 12.10¢ | 11.20¢ | +0.89¢ (+8.0%) |
How City of Longmont 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, City of Longmont ranks 6 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 6.7%; the state average rose 5.2%.
- City of Longmont is a municipal utility, owned by the local government; the city council or utility board sets rates. Balancing authority: PSCO.
Where City of Longmont serves
EIA lists 2 Colorado counties in its 2025 service territory: Boulder, Weld.
4 ZIP codes are matched to City of Longmont in NREL’s 2024 ZIP file: 80501, 80502, 80503, 80504. 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 |
|---|---|---|---|
| Holy Cross Electric Assn, Inc | 12.45¢ | $140 | 50,431 |
| Poudre Valley REA, Inc | 12.47¢ | $109 | 50,933 |
| K C Electric Association | 13.02¢ | $128 | 3,411 |
| City of Fountain | 14.05¢ | $100 | 17,088 |
| City of Fort Collins (CO) | 14.34¢ | $87 | 71,804 |
| Morgan County Rural Elec Assn | 14.46¢ | $146 | 5,891 |
| White River Electric Assn, Inc | 14.69¢ | $103 | 2,641 |
| Delta Montrose Electric Assn | 14.90¢ | $107 | 32,985 |
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.