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

About $36.00 a month, assuming 900 kWh a year at 48.00¢/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?

Hawaii has the most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $165 a year.

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Cost to run a garage refrigerator in Hawaii (July 2026 rates)

At 48.00¢ per kilowatt-hour — Hawaii's average residential price in July 2026 — running a garage refrigerator costs $432 a year. That is 162% more than the national average of $165. Hawaii's residential rate is up 22.0% from July 2025, which moves this appliance from $354 to $432 a year.

Per day: $1.18
Per month: $36.00
Per year: $432

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 Hawaii compares

Hawaii pays 48.00¢/kWh, the most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $267 more a year than the typical U.S. household pays for the same use. Running the same garage refrigerator costs $114 a year in Louisiana and $432 in Hawaii, so where you live changes this bill by $318 a year.

State	Rate	Per month	Per year
New York	29.90¢	$22.42	$269
Massachusetts	30.49¢	$22.87	$274
Maine	32.41¢	$24.31	$292
California	33.61¢	$25.21	$302
Hawaii	48.00¢	$36.00	$432

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

What else costs about the same in Hawaii

Space heater$415 a year in HI Portable air conditioner$406 a year in HI Electric clothes dryer$374 a year in HI

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 Hawaii?: About $36.00 a month, assuming 900 kWh a year at 48.00¢/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?: Hawaii has the most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $165 a year.