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

About $1.23 a month, assuming 1,800 W, 9 minutes a day, 350 days a year at 15.57¢/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?

Montana has the 19th 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 Montana (August 2026 rates)

At 15.57¢ per kilowatt-hour — Montana's average residential price in August 2026 — running a hair dryer costs $14.71 a year. That is 14% less than the national average of $17.16. Montana's residential rate is up 9.0% from August 2025, which moves this appliance from $13.50 to $14.71 a year.

Per hour: 28.0¢
Per day of use: 4.2¢
Per month: $1.23
Per year: $14.71

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 Montana compares

Montana pays 15.57¢/kWh, the 19th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $2.45 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
South Dakota	15.15¢	$1.19	$14.32
Kansas	15.47¢	$1.22	$14.62
Montana	15.57¢	$1.23	$14.71
South Carolina	15.76¢	$1.24	$14.89
Georgia	15.90¢	$1.25	$15.03

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

What else costs about the same in Montana

Slow cooker$14.95 a year in MT Wi-fi router$13.64 a year in MT Ceiling fan$13.45 a year in MT

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 Montana?: About $1.23 a month, assuming 1,800 W, 9 minutes a day, 350 days a year at 15.57¢/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?: Montana has the 19th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $17.16 a year.