Rates by state / Idaho / Avista Corp
Investor Owned · 129,181 residential customers
Avista Corp electricity rates
Residential customers paid an average of 11.8¢ per kWh in 2025, 6% below the Idaho average of 12.7¢ for the latest 12 months.
Average rate
11.8¢/kWh
2025, all residential revenue ÷ kWh
Average bill
$107/mo
At 900 kWh a month
1-year change
+1.9%
5 years: +20.1%
Average rate by year
20209.9¢
20219.9¢
20229.9¢
202310.2¢
202411.6¢
202511.8¢
Avista Corp bill at different usage levels
Estimated monthly bill at Avista Corp's 2025 average rate of 11.8¢ per kWh. Actual bills vary with your plan, fixed charges and taxes.
| Monthly use | Avista Corp | Idaho average |
|---|---|---|
| 500 kWh | $59 | $63 |
| 750 kWh | $89 | $95 |
| 1,000 kWh (about average here) | $118 | $127 |
| 1,500 kWh | $178 | $190 |
| 2,000 kWh | $237 | $253 |
Other utilities in Idaho
| Utility | Customers | Rate |
|---|---|---|
| Idaho Power Co | 540,032 | 11.8¢ |
| PacifiCorp | 75,599 | 13.5¢ |
| Kootenai Electric Cooperative | 31,004 | 13.4¢ |
| City of Idaho Falls - (ID) | 29,403 | 9.6¢ |
| Northern Lights, Inc | 18,172 | 12.2¢ |
| Fall River Rural Elec Coop Inc | 15,952 | 11.1¢ |
| United Electric Co-op, Inc - (ID) | 5,169 | 8.5¢ |
| Salmon River Electric Coop Inc | 2,426 | 9.9¢ |
Avista Corp: common questions
- How much does Avista Corp charge per kWh?
- Avista Corp residential customers paid an average of 11.8¢ per kWh in 2025, counting all charges, according to EIA Form 861 data.
- What is the average Avista Corp electric bill?
- The average Avista Corp household used 900 kWh a month in 2025, which works out to about $107 a month at the average rate.
- Is Avista Corp cheaper than other utilities in Idaho?
- Avista Corp's average rate is 6% below the Idaho average of 12.7¢. 9 of 13 utilities in Idaho have a lower average rate.
- Did Avista Corp raise rates?
- Avista Corp's average residential rate changed +1.9% from 2024 to 2025 and +20.1% since 2020.
- Is my Avista Corp bill too high?
- Enter the kWh and amount from your bill in the free bill check on AverageElectricBill.com. It compares your use with similar Idaho homes and your rate with Avista Corp's average.
Got a Avista Corp bill?
Check my billSource: U.S. EIA Form EIA-861, 2025 final data.