How much does a garage refrigerator cost per month in Montana?

About $11.36 a month, assuming 900 kWh a year at 15.14¢/kWh.

How many kilowatt-hours does a garage refrigerator use?

Roughly 900 kWh a year under these assumptions.

Is that expensive compared with other states?

Montana has the 16th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $165 a year.

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Cost to run a garage refrigerator in Montana (June 2026 rates)

At 15.14¢ per kilowatt-hour — Montana's average residential price in June 2026 — running a garage refrigerator costs $136 a year. That is 17% less than the national average of $165. Montana's residential rate is up 2.2% from June 2025, which moves this appliance from $133 to $136 a year.

Per day: 37.3¢
Per month: $11.36
Per year: $136

Assumption: 900 kWh a year. An older second fridge in an unconditioned garage. Age and ambient heat both push this well above a modern kitchen unit. Use the calculator to swap in the numbers from your own model.

How Montana compares

Montana pays 15.14¢/kWh, the 16th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $28.80 less a year than the typical U.S. household pays for the same use. Running the same garage refrigerator costs $118 a year in Nevada and $474 in Hawaii, so where you live changes this bill by $356 a year.

State	Rate	Per month	Per year
New Mexico	15.06¢	$11.30	$136
Florida	15.10¢	$11.33	$136
Montana	15.14¢	$11.36	$136
Arizona	15.18¢	$11.38	$137
Wyoming	15.24¢	$11.43	$137

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

What else costs about the same in Montana

Space heater$131 a year in MT Portable air conditioner$128 a year in MT Electric clothes dryer$118 a year in MT

Cutting the number down

This is the classic hidden line item: a 20-year-old beer fridge can cost more per year than every light in the house combined.
Running it only in the months you actually need it, rather than year-round, cuts the cost proportionally.

Questions

How much does a garage refrigerator cost per month in Montana?: About $11.36 a month, assuming 900 kWh a year at 15.14¢/kWh.
How many kilowatt-hours does a garage refrigerator use?: Roughly 900 kWh a year under these assumptions.
Is that expensive compared with other states?: Montana has the 16th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $165 a year.