Idaho vs Washington Electricity Rates (2026)
Idaho has 1.0% cheaper electricity than Washington. Idaho residents pay 11.15¢/kWh compared to 11.26¢/kWh in Washington, saving about $1.00/month on average.
Idaho
11.15¢
per kWh
$107/mo
Washington
11.26¢
per kWh
$106/mo
Detailed Rate Comparison
| Metric | Idaho | Washington | National Avg |
|---|---|---|---|
| Residential Rate | 11.15¢/kWh | 11.26¢/kWh | 17.22¢/kWh |
| Commercial Rate | 8.69¢/kWh | 9.56¢/kWh | - |
| Industrial Rate | 6.87¢/kWh | 5.23¢/kWh | - |
| Avg Monthly Bill | $107 | $106 | $134 |
| Renewable Energy | 73.0% | 74.0% | ~22% |
| Primary Source | Hydroelectric | Hydroelectric | - |
Appliance Running Costs: Idaho vs Washington
Monthly cost to run common household appliances in each state.
| Appliance | ID | WA | Savings |
|---|---|---|---|
| Air Purifier | $4.01 | $4.05 | ID saves $0.04 |
| Blender | $0.13 | $0.14 | ID saves $0.00 |
| CFL Bulb (13W) | $0.35 | $0.35 | ID saves $0.00 |
| Cable / Satellite Box | $2.81 | $2.84 | ID saves $0.03 |
| Ceiling Fan | $3.01 | $3.04 | ID saves $0.03 |
| Central Air Conditioner | $93.66 | $94.58 | ID saves $0.92 |
| Chest Freezer | $6.42 | $6.49 | ID saves $0.06 |
| Clothes Dryer (Electric) | $10.04 | $10.13 | ID saves $0.10 |
| Coffee Maker | $0.75 | $0.76 | ID saves $0.01 |
| Crypto Mining Rig | $120.42 | $121.61 | ID saves $1.19 |
| Dehumidifier | $12.04 | $12.16 | ID saves $0.12 |
| Desktop Computer | $5.35 | $5.40 | ID saves $0.05 |
| Dishwasher | $6.02 | $6.08 | ID saves $0.06 |
| Electric Baseboard Heater | $33.45 | $33.78 | ID saves $0.33 |
| Electric Fireplace | $18.73 | $18.92 | ID saves $0.18 |
Bottom Line: Idaho vs Washington
Idaho is the more affordable state for electricity, with rates 1.0% lower than Washington. An average household would save about $12.00/year by living in Idaho.
Idaho gets its electricity primarily from Hydroelectric with 73.0% renewable, while Washington relies on Hydroelectric with 74.0% renewable.
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Frequently Asked Questions
Is electricity cheaper in Idaho or Washington?
Electricity is cheaper in Idaho at 11.15¢/kWh compared to Washington at 11.26¢/kWh. That's a 1.0% difference, saving about $1.00/month on an average residential bill.
What is the average electricity bill in Idaho vs Washington?
The average monthly electricity bill is $107 in Idaho and $106 in Washington. The national average is $134.
Which state uses more renewable energy, Idaho or Washington?
Washington has a higher renewable energy percentage at 74.0%, compared to 73.0% in Idaho.
What are the main energy sources in Idaho and Washington?
Idaho primarily uses Hydroelectric, while Washington relies on Hydroelectric.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)