Avista Corp electricity rates in Idaho, 2025
Avista Corp’s 129,181 residential customers paid an average of 11.84¢ per kWh in 2025, 0% above the Idaho average of 11.83¢. The typical home used 900 kWh a month, for an average bill of $107.
- 11.84¢avg ¢/kWh (2025)+0.22¢ (+1.9%) vs 2024
- $107Avg monthly billIdaho: $110
- 900 kWhAvg monthly useIdaho: 933 kWh
- 129,181Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 129,181 | 1,395,545 | $165,292,100 | 11.84¢ | 11.62¢ | +0.22¢ (+1.9%) |
| Commercial | 19,563 | 1,072,121 | $102,950,000 | 9.60¢ | 10.02¢ | −0.42¢ (-4.1%) |
| Industrial | 354 | 1,181,500 | $60,674,400 | 5.14¢ | 5.55¢ | −0.42¢ (-7.5%) |
| All sectors | 149,098 | 3,649,166 | $328,916,500 | 9.01¢ | 9.21¢ | −0.19¢ (-2.1%) |
How Avista Corp compares
- Idaho residential average, 2025: 11.83¢ per kWh, 933 kWh a month, $110 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Among 12 full-service utilities in Idaho with at least 1,000 residential customers, Avista Corp ranks 9 of 12 from lowest to highest average price.
- Latest monthly figure: Idaho homes paid 13.37¢ per kWh in August 2026 (preliminary), against 12.08¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 1.9%; the state average rose 2.7%.
- 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 9 Idaho counties in its 2025 service territory: Benewah, Bonner, Clearwater, Idaho, Kootenai, Latah, Lewis, Nez Perce, Shoshone.
77 ZIP codes are matched to Avista Corp in NREL’s 2024 ZIP file: 83501, 83522, 83523, 83524, 83526, 83530, 83531, 83533, 83535, 83536, 83537, 83539, 83540, 83541, 83543, 83544, 83545, 83546, 83548, 83552, 83553, 83554, 83555, 83801, 83803, 83804, 83806, 83808, 83809, 83810, 83811, 83812, 83813, 83814, 83815, 83816, 83822, 83823, 83824, 83825, 83827, 83830, 83832, 83833, 83834, 83835, 83836, 83837, 83839, 83840, 83841, 83842, 83843, 83844, 83846, 83849, 83850, 83851, 83852, 83854, and 17 more. Utility boundaries do not follow ZIP lines, so a ZIP can have more than one provider.
Idaho full-service utilities with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| City of Idaho Falls (ID) | 9.60¢ | $89 | 29,403 |
| Salmon River Electric Coop Inc | 9.87¢ | $123 | 2,426 |
| Raft Rural Elec Coop Inc | 10.16¢ | $146 | 1,398 |
| Fall River Rural Elec Coop Inc | 11.11¢ | $130 | 15,952 |
| Idaho Power Co | 11.78¢ | $106 | 540,032 |
| Northern Lights, Inc | 12.17¢ | $136 | 18,172 |
| Kootenai Electric Cooperative | 13.44¢ | $150 | 31,004 |
| PacifiCorp | 13.53¢ | $120 | 75,599 |
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.