How much does a refrigerator cost per month in Hawaii?

About $17.57 a month, assuming 400 kWh a year at 52.72¢/kWh.

How many kilowatt-hours does a refrigerator use?

Roughly 400 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 $73.36 a year.

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Cost to run a refrigerator in Hawaii (June 2026 rates)

At 52.72¢ per kilowatt-hour — Hawaii's average residential price in June 2026 — running a refrigerator costs $211 a year. That is 187% more than the national average of $73.36. Hawaii's residential rate is up 28.7% from June 2025, which moves this appliance from $164 to $211 a year.

Per day: 57.8¢
Per month: $17.57
Per year: $211

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 Hawaii compares

Hawaii pays 52.72¢/kWh, the most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $138 more a year than the typical U.S. household pays for the same use. Running the same refrigerator costs $52.44 a year in Nevada and $211 in Hawaii, so where you live changes this bill by $158 a year.

State	Rate	Per month	Per year
New York	29.49¢	$9.83	$118
Maine	29.59¢	$9.86	$118
Massachusetts	29.61¢	$9.87	$118
California	34.74¢	$11.58	$139
Hawaii	52.72¢	$17.57	$211

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

What else costs about the same in Hawaii

Desktop computer$211 a year in HI Air purifier$231 a year in HI Electric oven$175 a year in HI

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 Hawaii?: About $17.57 a month, assuming 400 kWh a year at 52.72¢/kWh.
How many kilowatt-hours does a refrigerator use?: Roughly 400 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 $73.36 a year.