How much does a refrigerator cost per month in Montana?

About $5.00 a month, assuming 400 kWh a year at 14.99¢/kWh.

How many kilowatt-hours does a refrigerator use?

Roughly 400 kWh a year under these assumptions.

Is that expensive compared with other states?

Montana has the 14th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $73.24 a year.

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Cost to run a refrigerator in Montana (July 2026 rates)

At 14.99¢ per kilowatt-hour — Montana's average residential price in July 2026 — running a refrigerator costs $59.96 a year. That is 18% less than the national average of $73.24. Montana's residential rate is up 5.0% from July 2025, which moves this appliance from $57.08 to $59.96 a year.

Per day: 16.4¢
Per month: $5.00
Per year: $59.96

Assumption: 400 kWh a year. A current ENERGY STAR top-freezer lands near 400 kWh a year. A 2000s-era side-by-side can be double, and a garage fridge in a hot climate higher still. Use the calculator to swap in the numbers from your own model.

How Montana compares

Montana pays 14.99¢/kWh, the 14th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $13.28 less a year than the typical U.S. household pays for the same use. Running the same refrigerator costs $50.88 a year in Louisiana and $192 in Hawaii, so where you live changes this bill by $141 a year.

State	Rate	Per month	Per year
Mississippi	14.54¢	$4.85	$58.16
Washington	14.71¢	$4.90	$58.84
Montana	14.99¢	$5.00	$59.96
Florida	15.03¢	$5.01	$60.12
North Carolina	15.16¢	$5.05	$60.64

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

What else costs about the same in Montana

Desktop computer$59.96 a year in MT Air purifier$65.66 a year in MT Electric oven$49.89 a year in MT

Cutting the number down

The second fridge in the garage is often the most expensive appliance in a house, because it is usually the oldest one and it works against garage heat.
Coils packed with dust make the compressor run longer for the same cooling. Vacuuming them takes minutes.
A door gasket that no longer grips a dollar bill is leaking cold around the clock.

Questions

How much does a refrigerator cost per month in Montana?: About $5.00 a month, assuming 400 kWh a year at 14.99¢/kWh.
How many kilowatt-hours does a refrigerator use?: Roughly 400 kWh a year under these assumptions.
Is that expensive compared with other states?: Montana has the 14th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $73.24 a year.