Montana · EIA utility 20169 · Full-service utility
Avista Corp electricity rates in Montana, 2025
Avista Corp’s 10 residential customers paid an average of 8.67¢ per kWh in 2025, 33% below the Montana average of 12.99¢. The typical home used 1,633 kWh a month, for an average bill of $142.
- 8.67¢avg ¢/kWh (2025)+0.17¢ (+2.0%) vs 2024
- $142Avg monthly billMontana: $111
- 1,633 kWhAvg monthly useMontana: 853 kWh
- 10Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 10 | 196 | $17,000 | 8.67¢ | 8.50¢ | +0.17¢ (+2.0%) |
| Commercial | 22 | 854 | $86,900 | 10.18¢ | 10.11¢ | +0.07¢ (+0.7%) |
| Industrial | 0 | 0 | $0 | n/a | n/a | n/a |
| All sectors | 32 | 1,050 | $103,900 | 9.90¢ | 9.80¢ | +0.10¢ (+1.0%) |
How Avista Corp compares
- Montana residential average, 2025: 12.99¢ per kWh, 853 kWh a month, $111 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Latest monthly figure: Montana homes paid 15.57¢ per kWh in August 2026 (preliminary), against 14.29¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 2.0%; the state average rose 2.6%.
- Avista Corp is an investor-owned utility, a private company whose rates are set by the state utility commission. Balancing authority: AVA.
Where Avista Corp serves
EIA lists 1 Montana county in its 2025 service territory: Sanders.
5 ZIP codes are matched to Avista Corp in NREL’s 2024 ZIP file: 59844, 59867, 59873, 59874, 59935. Utility boundaries do not follow ZIP lines, so a ZIP can have more than one provider.
Montana full-service utilities with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| Lower Yellowstone R E A, Inc | 9.20¢ | $107 | 3,247 |
| USBIA-Mission Valley Power | 9.39¢ | $120 | 16,353 |
| Flathead Electric Coop Inc | 10.04¢ | $119 | 64,334 |
| Missoula Electric Coop, Inc | 10.93¢ | $117 | 14,867 |
| Fall River Rural Elec Coop Inc | 11.11¢ | $122 | 1,525 |
| Montana-Dakota Utilities Co | 12.33¢ | $95 | 19,626 |
| Northern Lights, Inc | 13.06¢ | $118 | 4,700 |
| Yellowstone Valley Elec Co-op | 14.22¢ | $127 | 21,471 |
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.