IdahoElectricity Rates & Utility Costs
The average residential electricity rate in Idaho is 11.15¢/kWh, which is very affordable. That's 35.2% lower than the national average.
Residential
11.15¢
per kWh
Commercial
8.69¢
per kWh
Industrial
6.87¢
per kWh
Avg Monthly Bill
$107
residential
Idaho vs National Average
| Metric | Idaho | National Avg | Difference |
|---|---|---|---|
| Residential Rate | 11.15¢/kWh | 17.22¢/kWh | -6.07¢ |
| Monthly Bill | $107 | $134 | $-27.00 |
| Renewable Energy | 73.0% | ~22% | Above avg |
| Primary Source | Hydroelectric | ||
Why Electricity Is Affordable in Idaho
Idaho enjoys some of the most affordable electricity in the US. Abundant hydroelectric resources keep generation costs low. Renewable energy makes up 73.0% of the state's electricity mix. Low rates attract energy-intensive industries and make Idaho a cost-effective place to live.
Utility Companies in Idaho
| Utility | Avg Rate | Customers | Type |
|---|---|---|---|
| Idaho Power | 11.15¢/kWh | 600,000 | electric |
| Avista Utilities | 10.80¢/kWh | 120,000 | electric |
Appliance Running Costs in Idaho
Based on Idaho's residential rate of 11.15¢/kWh.
| Appliance | Watts | Hours/Day | Monthly Cost | Annual Cost |
|---|---|---|---|---|
| Air Purifier | 50 | 24 | $4.01 | $48.17 |
| Blender | 400 | 0.1 | $0.13 | $1.61 |
| CFL Bulb (13W) | 13 | 8 | $0.35 | $4.17 |
| Cable / Satellite Box | 35 | 24 | $2.81 | $33.72 |
| Ceiling Fan | 75 | 12 | $3.01 | $36.13 |
| Central Air Conditioner | 3,500 | 8 | $93.66 | $1,123.92 |
| Chest Freezer | 80 | 24 | $6.42 | $77.07 |
| Clothes Dryer (Electric) | 3,000 | 1 | $10.04 | $120.42 |
| Coffee Maker | 900 | 0.25 | $0.75 | $9.03 |
| Crypto Mining Rig | 1,500 | 24 | $120.42 | $1,445.04 |
| Dehumidifier | 300 | 12 | $12.04 | $144.50 |
| Desktop Computer | 200 | 8 | $5.35 | $64.22 |
| Dishwasher | 1,800 | 1 | $6.02 | $72.25 |
| Electric Baseboard Heater | 1,000 | 10 | $33.45 | $401.40 |
| Electric Fireplace | 1,400 | 4 | $18.73 | $224.78 |
Compare With Other States
More Data for Idaho
Frequently Asked Questions
What is the average electricity rate in Idaho?
The average residential electricity rate in Idaho is 11.15¢ per kWh, which is 35.2% below the national average of 17.22¢/kWh.
How much is the average monthly electric bill in Idaho?
The average monthly residential electric bill in Idaho is $107, compared to the national average of $134.
Why is electricity cheap in Idaho?
Idaho enjoys some of the most affordable electricity in the US. Abundant hydroelectric resources keep generation costs low. Renewable energy makes up 73.0% of the state's electricity mix. Low rates attract energy-intensive industries and make Idaho a cost-effective place to live.
What is the main energy source in Idaho?
The primary energy source in Idaho is Hydroelectric, with 73.0% of electricity coming from renewable sources.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)