Avista Corp: average rate and electric bill (2025)
Avista Corp (investor-owned utility, Idaho) served 129,181 homes in 2025. The average customer used 900 kWh a month and paid $107, an average price of 11.8¢ per kWh including fixed charges, riders and taxes. That is about the same as the Idaho average of 11.8¢.
11.8¢average price per kWh
$107average monthly bill
900kWh per month, average home
9 of 12utilities in Idaho, cheapest first
What a bill costs at Avista Corp's average price
| Monthly usage | Estimated bill |
|---|---|
| 500 kWh | $59 |
| 1,000 kWh | $118 |
| 1,500 kWh | $178 |
The average price spreads fixed monthly charges over all kWh. At low usage your price per kWh is higher, at high usage lower. Your current tariff can differ from the 2025 average, especially after a rate case.
Calculate your bill · Heat pump vs furnace with this rate
Compare with other utilities in Idaho
| Name | ¢/kWh | Avg. bill |
|---|---|---|
| City of Idaho Falls | 9.6 | $89 |
| Idaho Power Co | 11.8 | $106 |
| Avista Corp | 11.8 | $107 |
| Kootenai Electric Cooperative | 13.4 | $150 |
| PacifiCorp | 13.5 | $120 |
Source: U.S. Energy Information Administration, Form EIA-861 annual data 2025 (released October 2026), utility ID 20169. Average price = residential revenue ÷ residential kWh sold; average bill = revenue ÷ customers ÷ 12.