Idaho Power Co: average rate and electric bill (2025)
Idaho Power Co (investor-owned utility, Idaho) served 540,032 homes in 2025. The average customer used 899 kWh a month and paid $106, 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¢.
What a bill costs at Idaho Power Co's average price
| Monthly usage | Estimated bill |
|---|---|
| 500 kWh | $59 |
| 1,000 kWh | $118 |
| 1,500 kWh | $177 |
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 9191. Average price = residential revenue ÷ residential kWh sold; average bill = revenue ÷ customers ÷ 12.