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

About $10.03 a month, assuming 900 kWh a year at 13.37¢/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?

Idaho has the 5th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $163 a year.

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Cost to run a garage refrigerator in Idaho (August 2026 rates)

At 13.37¢ per kilowatt-hour — Idaho's average residential price in August 2026 — running a garage refrigerator costs $120 a year. That is 26% less than the national average of $163. Idaho's residential rate is up 10.7% from August 2025, which moves this appliance from $109 to $120 a year.

Per day: 33.0¢
Per month: $10.03
Per year: $120

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 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 $43.11 less a year than the typical U.S. household pays for the same use. Running the same garage refrigerator costs $114 a year in Nevada and $425 in Hawaii, so where you live changes this bill by $310 a year.

State	Rate	Per month	Per year
North Dakota	13.31¢	$9.98	$120
Utah	13.31¢	$9.98	$120
Idaho	13.37¢	$10.03	$120
Tennessee	13.42¢	$10.06	$121
Nebraska	13.54¢	$10.15	$122

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

What else costs about the same in Idaho

Space heater$116 a year in ID Portable air conditioner$113 a year in ID Electric clothes dryer$104 a year in ID

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 Idaho?: About $10.03 a month, assuming 900 kWh a year at 13.37¢/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?: Idaho has the 5th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $163 a year.