Electricity rates and average bill in Idaho
In 2025, the average Idaho household used 933 kWh a month and paid $110, an average price of 11.8¢ per kWh. That is the 50th highest price of the 50 states and DC (U.S.: 17.2¢).
Estimate your bill · Heat pump vs furnace · Water heater cost
Monthly residential electricity price in Idaho
Source: EIA, average residential price per month (¢/kWh); last 12 months average 12.8¢.
Electric utilities in Idaho
Average residential price, usage and bill of each utility in 2025 (utilities and providers with at least 1,000 homes). Find yours by ZIP code in the bill calculator.
Utilities
| Name | Homes | ¢/kWh | kWh / mo | Avg. bill |
|---|---|---|---|---|
| Idaho Power Co Investor-owned utility | 540,032 | 11.8 | 899 | $106 |
| Avista Corp Investor-owned utility | 129,181 | 11.8 | 900 | $107 |
| PacifiCorp Investor-owned utility | 75,599 | 13.5 | 889 | $120 |
| Kootenai Electric Cooperative Electric cooperative | 31,004 | 13.4 | 1,120 | $150 |
| City of Idaho Falls Municipal utility | 29,403 | 9.6 | 925 | $89 |
| Northern Lights, Inc Electric cooperative | 18,172 | 12.2 | 1,116 | $136 |
| Fall River Rural Elec Coop Inc Electric cooperative | 15,952 | 11.1 | 1,172 | $130 |
| United Electric Co-op, Inc Electric cooperative | 5,169 | 8.5 | 1,580 | $134 |
| Salmon River Electric Coop Inc Electric cooperative | 2,426 | 9.9 | 1,251 | $123 |
| Inland Power & Light Company Electric cooperative | 2,175 | 9.4 | 1,441 | $136 |
| Lower Valley Energy Inc Electric cooperative | 1,663 | 7.8 | 1,077 | $84 |
| Raft Rural Elec Coop Inc Electric cooperative | 1,398 | 10.2 | 1,436 | $146 |
Heating: heat pump vs. gas in Idaho
For a 2,000 sq ft home with average insulation at a typical Idaho location (7,046 heating degree days, weather station Malad City), heating with a high-efficiency heat pump costs about $1,137 a year at the state's average electricity price, compared with $655 for a 92% gas furnace, $2,280 for propane and $2,798 for heating oil. Run it with your ZIP code and your home.
Heating fuel prices
| Natural gas, residential, 2025 | $7.69/Mcf = $0.74/therm |
| Propane, 2025/26 winter average | $2.36/gal |
| Heating oil, 2025/26 winter average (U.S., no state survey) | $4.01/gal |