Idaho
Electricity costs 11.82¢/kWh residential, ranking #2 cheapest in the US. 68.3% renewable energy.
11.82¢
Residential Rate
#2
Price Rank (Cheapest)
68.3%
Renewable Energy
#4
Renewable Rank
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Electricity Rates
| Residential | 11.82¢/kWh |
| Commercial | 9.25¢/kWh |
| Industrial | 7.98¢/kWh |
| National Average | 17.92¢/kWh |
Electricity Generation Mix
Hydro
45.7%
Natural Gas
31.4%
Wind
15.1%
Solar
5.1%
Other
2.8%
Frequently Asked Questions
The residential electricity rate in Idaho is 11.82¢ per kilowatt-hour, ranking #2 cheapest out of 51 states. The national average is 17.92¢/kWh, making Idaho 34% below average.
68.3% of Idaho's electricity comes from renewable sources, ranking #4 among all states. The largest generation source is Hydro at 45.7%.
Idaho's residential rate of 11.82¢/kWh is 34% below the national average of 17.92¢/kWh. Commercial rates are 9.25¢/kWh and industrial rates are 7.98¢/kWh.
Related State Energy Profiles
11.81¢/kWh residential · 39.5% renewable
12.34¢/kWh residential · 35.9% renewable
12.57¢/kWh residential · 4.1% renewable
12.84¢/kWh residential · 10.2% renewable
12.98¢/kWh residential · 57.4% renewable
22.92¢/kWh residential · 99.8% renewable
Electricity rates from EIA retail sales data. Prices in cents per kilowatt-hour. Generation mix from EIA electric power operational data. Rankings based on residential rates.
At 11.82¢/kWh, residential electricity in Idaho is 34% below the U.S. average of 17.92¢/kWh — the 2nd cheapest residential rate among 51 states and territories tracked.
Commercial customers in Idaho pay 9.25¢/kWh and industrial customers 7.98¢/kWh, a narrow 1.27¢/kWh spread between the two classes. Renewables supply 68.3% of Idaho's electricity generation — the 4th highest renewable share nationally — with hydroelectric the single largest source at 45.7%, followed by natural gas at 31.4%.
In 2024, Idaho generated about 20,035 GWh of electricity in total.
Source: U.S. Energy Information Administration, 2026.