Arizona vs Idaho Electricity Rates (2026)
Idaho has 24.6% cheaper electricity than Arizona. Idaho residents pay 11.15¢/kWh compared to 14.78¢/kWh in Arizona, saving about $35.00/month on average.
Arizona
14.78¢
per kWh
$142/mo
Idaho
11.15¢
per kWh
$107/mo
Detailed Rate Comparison
| Metric | Arizona | Idaho | National Avg |
|---|---|---|---|
| Residential Rate | 14.78¢/kWh | 11.15¢/kWh | 17.22¢/kWh |
| Commercial Rate | 11.85¢/kWh | 8.69¢/kWh | - |
| Industrial Rate | 7.32¢/kWh | 6.87¢/kWh | - |
| Avg Monthly Bill | $142 | $107 | $134 |
| Renewable Energy | 16.0% | 73.0% | ~22% |
| Primary Source | Natural Gas | Hydroelectric | - |
Appliance Running Costs: Arizona vs Idaho
Monthly cost to run common household appliances in each state.
| Appliance | AZ | ID | Savings |
|---|---|---|---|
| Air Purifier | $5.32 | $4.01 | ID saves $1.31 |
| Blender | $0.18 | $0.13 | ID saves $0.04 |
| CFL Bulb (13W) | $0.46 | $0.35 | ID saves $0.11 |
| Cable / Satellite Box | $3.72 | $2.81 | ID saves $0.91 |
| Ceiling Fan | $3.99 | $3.01 | ID saves $0.98 |
| Central Air Conditioner | $124.15 | $93.66 | ID saves $30.49 |
| Chest Freezer | $8.51 | $6.42 | ID saves $2.09 |
| Clothes Dryer (Electric) | $13.30 | $10.04 | ID saves $3.27 |
| Coffee Maker | $1.00 | $0.75 | ID saves $0.25 |
| Crypto Mining Rig | $159.62 | $120.42 | ID saves $39.20 |
| Dehumidifier | $15.96 | $12.04 | ID saves $3.92 |
| Desktop Computer | $7.09 | $5.35 | ID saves $1.74 |
| Dishwasher | $7.98 | $6.02 | ID saves $1.96 |
| Electric Baseboard Heater | $44.34 | $33.45 | ID saves $10.89 |
| Electric Fireplace | $24.83 | $18.73 | ID saves $6.10 |
Bottom Line: Arizona vs Idaho
Idaho is the more affordable state for electricity, with rates 24.6% lower than Arizona. An average household would save about $420.00/year by living in Idaho.
Arizona gets its electricity primarily from Natural Gas with 16.0% renewable, while Idaho relies on Hydroelectric with 73.0% renewable.
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Frequently Asked Questions
Is electricity cheaper in Arizona or Idaho?
Electricity is cheaper in Idaho at 11.15¢/kWh compared to Arizona at 14.78¢/kWh. That's a 24.6% difference, saving about $35.00/month on an average residential bill.
What is the average electricity bill in Arizona vs Idaho?
The average monthly electricity bill is $142 in Arizona and $107 in Idaho. The national average is $134.
Which state uses more renewable energy, Arizona or Idaho?
Idaho has a higher renewable energy percentage at 73.0%, compared to 16.0% in Arizona.
What are the main energy sources in Arizona and Idaho?
Arizona primarily uses Natural Gas, while Idaho relies on Hydroelectric.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)