How much does an electric kettle cost per month in Hawaii?

About $4.38 a month, assuming 1,500 W, 12 minutes a day, 365 days a year at 48.00¢/kWh.

How many kilowatt-hours does an electric kettle use?

Roughly 110 kWh a year under these assumptions, or 1.50 kWh for every hour it runs.

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 $20.05 a year.

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Cost to run an electric kettle in Hawaii (July 2026 rates)

At 48.00¢ per kilowatt-hour — Hawaii's average residential price in July 2026 — running an electric kettle costs $52.56 a year. That is 162% more than the national average of $20.05. Hawaii's residential rate is up 22.0% from July 2025, which moves this appliance from $43.10 to $52.56 a year.

Per hour: 72.0¢
Per day of use: 14.4¢
Per month: $4.38
Per year: $52.56

Assumption: 1,500 W, 12 minutes a day, 365 days a year — 110 kWh a year. About 12 minutes of boiling a day, roughly four or five kettles. 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 $32.51 more a year than the typical U.S. household pays for the same use. Running the same electric kettle costs $13.93 a year in Louisiana and $52.56 in Hawaii, so where you live changes this bill by $38.63 a year.

State	Rate	Per month	Per year
New York	29.90¢	$2.73	$32.74
Massachusetts	30.49¢	$2.78	$33.39
Maine	32.41¢	$2.96	$35.49
California	33.61¢	$3.07	$36.80
Hawaii	48.00¢	$4.38	$52.56

States ranked by average residential price, cheapest first. See all 51 states for an electric kettle.

What else costs about the same in Hawaii

Microwave$52.56 a year in HI Incandescent bulb$52.56 a year in HI Box fan$54.00 a year in HI

Cutting the number down

Boiling only the water you need is the whole game. Filling a full kettle for one cup roughly triples the cost of that cup.
An electric kettle beats a stovetop electric burner because almost none of the heat escapes around the vessel.

Questions

How much does an electric kettle cost per month in Hawaii?: About $4.38 a month, assuming 1,500 W, 12 minutes a day, 365 days a year at 48.00¢/kWh.
How many kilowatt-hours does an electric kettle use?: Roughly 110 kWh a year under these assumptions, or 1.50 kWh for every hour it runs.
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 $20.05 a year.