How much does a hair dryer cost per month in Idaho?

About $1.05 a month, assuming 1,800 W, 9 minutes a day, 350 days a year at 13.37¢/kWh.

How many kilowatt-hours does a hair dryer use?

Roughly 94 kWh a year under these assumptions, or 1.80 kWh for every hour it runs.

Is that expensive compared with other states?

Idaho has the 5th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $17.16 a year.

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Cost to run a hair dryer in Idaho (August 2026 rates)

At 13.37¢ per kilowatt-hour — Idaho's average residential price in August 2026 — running a hair dryer costs $12.63 a year. That is 26% less than the national average of $17.16. Idaho's residential rate is up 10.7% from August 2025, which moves this appliance from $11.42 to $12.63 a year.

Per hour: 24.1¢
Per day of use: 3.6¢
Per month: $1.05
Per year: $12.63

Assumption: 1,800 W, 9 minutes a day, 350 days a year — 94 kWh a year. About nine minutes a day on high. Use the calculator to swap in the numbers from your own model.

How Idaho compares

Idaho pays 13.37¢/kWh, the 5th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $4.53 less a year than the typical U.S. household pays for the same use. Running the same hair dryer costs $12.02 a year in Nevada and $44.59 in Hawaii, so where you live changes this bill by $32.56 a year.

State	Rate	Per month	Per year
North Dakota	13.31¢	$1.05	$12.58
Utah	13.31¢	$1.05	$12.58
Idaho	13.37¢	$1.05	$12.63
Tennessee	13.42¢	$1.06	$12.68
Nebraska	13.54¢	$1.07	$12.80

States ranked by average residential price, cheapest first. See all 51 states for a hair dryer.

What else costs about the same in Idaho

Slow cooker$12.84 a year in ID Wi-fi router$11.71 a year in ID Ceiling fan$11.55 a year in ID

Cutting the number down

Nearly 2,000 W sounds alarming, but a few minutes a day keeps the annual total modest.
A cool-shot finish uses a fraction of the power of the heated setting.

Questions

How much does a hair dryer cost per month in Idaho?: About $1.05 a month, assuming 1,800 W, 9 minutes a day, 350 days a year at 13.37¢/kWh.
How many kilowatt-hours does a hair dryer use?: Roughly 94 kWh a year under these assumptions, or 1.80 kWh for every hour it runs.
Is that expensive compared with other states?: Idaho has the 5th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $17.16 a year.