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Electricity cost in Idaho
Average residential electricity price in Idaho, August 2026 · +10.7% year on year · rank #5 of 51 (cheapest = 1)
Monthly bill by usage
| Usage | Idaho | US average |
|---|---|---|
| 300 kWh | $40.11 | $54.48 |
| 500 kWh | $66.85 | $90.80 |
| 750 kWh | $100.28 | $136.20 |
| 900 kWh | $120.33 | $163.44 |
| 1,000 kWh | $133.70 | $181.60 |
| 1,200 kWh | $160.44 | $217.92 |
| 1,500 kWh | $200.55 | $272.40 |
| 2,000 kWh | $267.40 | $363.20 |
Energy charge only, at the average all-in price per kWh; your utility's fixed monthly fee and tiered or time-of-use rates will change the total.
Cost to run appliances in Idaho
| Appliance | Typical use | Per hour | Per month |
|---|---|---|---|
| Space Heater | 1,500 W × 6 h | $0.20 | $36.58 |
| Window Air Conditioner | 900 W × 8 h | $0.12 | $29.26 |
| Central Air Conditioner | 3,500 W × 8 h | $0.47 | $113.81 |
| Refrigerator | 150 W × 24 h | $0.02 | $14.63 |
| Chest Freezer | 80 W × 24 h | $0.01 | $7.80 |
| TV | 100 W × 5 h | $0.01 | $2.03 |
| Gaming PC | 400 W × 4 h | $0.05 | $6.50 |
| Laptop | 50 W × 8 h | $0.01 | $1.63 |
| Game Console | 180 W × 3 h | $0.02 | $2.19 |
| Clothes Dryer | 3,000 W × 1 h | $0.40 | $12.19 |
| Washing Machine | 500 W × 1 h | $0.07 | $2.03 |
| Dishwasher | 1,500 W × 1.5 h | $0.20 | $9.15 |
| Electric Oven | 2,400 W × 1 h | $0.32 | $9.75 |
| Microwave | 1,100 W × 0.3 h | $0.15 | $1.34 |
| Electric Kettle | 1,500 W × 0.25 h | $0.20 | $1.52 |
| Hair Dryer | 1,800 W × 0.25 h | $0.24 | $1.83 |
| LED Light Bulb | 9 W × 5 h | $0.00 | $0.18 |
| Ceiling Fan | 50 W × 8 h | $0.01 | $1.63 |
| Dehumidifier | 450 W × 10 h | $0.06 | $18.29 |
| Hot Tub | 1,500 W × 6 h | $0.20 | $36.58 |
| Pool Pump | 1,500 W × 8 h | $0.20 | $48.77 |
| Electric Water Heater | 4,000 W × 3 h | $0.53 | $48.77 |
| EV Charger (Level 2) | 7,200 W × 2 h | $0.96 | $58.53 |
| Wi-Fi Router | 10 W × 24 h | $0.00 | $0.98 |
| Electric Blanket | 100 W × 8 h | $0.01 | $3.25 |
Nearby in the price ranking
FAQ
How much is electricity in Idaho?
The average residential price in Idaho was 13.37¢ per kWh in August 2026, up 10.7% from 12.08¢ a year earlier (EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026)).
What is the average electric bill in Idaho?
At 900 kWh a month (close to the US household average) a Idaho bill is about $120.33 before fixed charges, versus $163.44 at the US average price.
Is electricity expensive in Idaho?
Idaho ranks #5 of 51 (1 = cheapest) and is 26% below the US average of 18.16¢/kWh.
Source: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).
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