Energy / Electricity / Idaho

Idaho electricity.

What power costs at home, and what it means for your EV.

Updated Oct 25, 2026

Price

Home electricity in Idaho.

Home electricity price

Average residential price, August 2026

13.37¢ per kWh

-26% below the U.S. average of 18.16¢. Ranked 47 of 51 (1 = most expensive).

A year ago (August 2025)12.08¢

Change in a year+10.7%

Jan to August 2026 average13.02¢

Typical monthly bill, 2025$110.36

26.8% below the U.S. average of $150.68.

Source: U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A. August 2026, preliminary. As of Oct 25, 2026.

Source: U.S. Energy Information Administration, Electricity Sales to Ultimate Customers, 2025. Average monthly bill is annual residential revenue divided by customers, then by 12.

Price trend

Idaho vs U.S. average, ¢ per kWh, monthly

IdahoU.S. average

Source: U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A. Aug 25–Aug 26.

EV vs gas

Cost to drive 100 miles in Idaho.

EV vs gas in Idaho

Cost to drive 100 miles

Estimate

EV, home charging

$3.7428 kWh per 100 mi at 13.37¢

Gas car, 25.5 mpg

$17.52Rocky Mountain (PADD 4) at $4.468 a gallon

You save per 100 miles$13.78

Source: U.S. Energy Information Administration, weekly retail regular gasoline, Rocky Mountain (PADD 4), week of Oct 19, 2026. Source: U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A. August 2026, preliminary. As of Oct 25, 2026. EV use of 28 kWh per 100 mi is an estimate. The gas car uses 25.5 mpg.

Charging costs by EV model in Idaho

Every state

Compare Idaho with the rest of the U.S.

All 51 states

Tap a column to sort. Prices are August 2026.

Rank 1 is the highest residential price. The District of Columbia is included. One-year change compares the same month a year earlier. The 2025 bill is annual residential revenue divided by customers, then by 12. The U.S. average is $150.68.

Residential electricity prices by state, August 2026. Typical monthly bill, 2025
#
1	Hawaii	47.18	+22.5%	+160%	$207.89
2	Maine	32.11	+14.1%	+77%	$147.67
3	Massachusetts	30.48	-0.2%	+68%	$181.08
4	California	29.75	-3.8%	+64%	$154.73
5	Alaska	29.41	+5.8%	+62%	$147.18
6	New York	28.65	+7.5%	+58%	$154.75
7	Rhode Island	28.18	+6.2%	+55%	$165.62
8	New Hampshire	27.64	+13.1%	+52%	$156.94

Source: U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A. August 2026, preliminary. As of Oct 25, 2026. Includes all 51, with D.C.