⚡ US Energy Price Monitorby KadoaUpdated weekly

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Electricity prices in Idaho

What homes in Idaho pay for electricity, from EIA.

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Headlines

Average price
12.7¢ a kWh
Up 8.9% on a year ago
Average bill
$114 a month
Up 4.1% on a year ago
Average use
904 kWh
A month. US 870 kWh
Price rank
50 of 51
1 is the most expensive

Over the 12 months to July 2026, Idaho homes paid 12.7¢ a kWh, against a US average of 18.0¢.

Idaho vs the US

IdahoUS
Average price, 12 months to July 202612.7¢18.0¢
Price in July 202613.7¢18.3¢
Average monthly bill, 12 months$114$156
Bill in July 2026$153$212
Average monthly use904 kWh870 kWh
Price change, past year+8.9%+6.6%
Price change since 2019+28%+38%

Electricity price

Average residential price a kilowatt-hour, by month.

Up to and including July 2026

Source: EIA Electric Power Monthly. Revenue over kilowatt-hours sold, including fixed charges.

Average monthly bill

What an average home pays a month. Bills peak in summer and winter.

Up to and including July 2026

Source: EIA Electric Power Monthly. EIA's own method for its average bill table.

Natural gas price

Average residential price a thousand cubic feet, by month. Summer prices are high because fixed charges are spread over little gas.

Up to and including June 2026

Source: EIA Natural Gas Monthly.

Utilities in Idaho

Past 12 months, utilities with 10,000 homes or more. These utilities serve 91% of homes in Idaho; smaller utilities serve the rest.

Idaho PowerInvestor-owned12.8¢+10%$112554,017
AvistaInvestor-owned12.7¢+9.6%$109131,547
PacifiCorpInvestor-owned13.5¢+3.1%$11677,185
Kootenai Electric CooperativeCooperative14.2¢+9.3%$15131,851
City of Idaho FallsMunicipal9.8¢+3.8%$8629,888

Heating fuels in Idaho: propane.