PlugCosts

Electricity cost in Hawaii

Avg residential price · May 2026
52.00¢/kWh
vs U.S. average (18.44¢)
+182%
Rank (1 = cheapest of 51)
#51+26.7% vs year ago

What typical appliances cost per month in Hawaii

AppliancePresetEst. monthly cost
Central air conditioner3,500 W · 8h/day$443
Window air conditioner900 W · 8h/day$114
Portable air conditioner1,100 W · 8h/day$139
Ductless mini-split800 W · 8h/day$101
Central heat pump3,000 W · 6h/day$285
Space heater1,500 W · 6h/day$142
Electric baseboard heater1,500 W · 8h/day$190
Infrared heater1,500 W · 6h/day$142
Oil-filled radiator1,200 W · 7h/day$133
Furnace blower fan500 W · 6h/day$47
Ceiling fan60 W · 8h/day$8
Whole-house fan400 W · 3h/day$19
Attic fan300 W · 6h/day$28
Humidifier40 W · 10h/day$6
Electric fireplace1,400 W · 4h/day$89
Dehumidifier500 W · 10h/day$79
Refrigerator150 W · 8h/day$19
Garage refrigerator200 W · 10h/day$32
Upright freezer120 W · 8h/day$15
Chest freezer90 W · 8h/day$11
Microwave1,100 W · 0.25h/day$4
Electric oven2,400 W · 1h/day$38
Electric stove burner2,000 W · 1h/day$32
Induction cooktop1,800 W · 0.75h/day$21
Air fryer1,500 W · 0.5h/day$12
Toaster oven1,200 W · 0.5h/day$9
Coffee maker1,000 W · 0.3h/day$5
Electric kettle1,500 W · 0.2h/day$5
Countertop ice maker120 W · 8h/day$15
Dishwasher1,500 W · 1h/day$24
Electric water heater4,500 W · 3h/day$214
Heat pump water heater550 W · 4h/day$35
Electric tankless water heater18,000 W · 1h/day$285
Washing machine500 W · 0.75h/day$6
Electric clothes dryer3,000 W · 1h/day$47
Heat pump dryer900 W · 1.5h/day$21
Well pump1,000 W · 2h/day$32
Sump pump800 W · 1h/day$13
Pool pump1,100 W · 6h/day$104
Hot tub3,000 W · 3h/day$142
Electric sauna6,000 W · 1h/day$95
Heated floor1,200 W · 6h/day$114
Garage heater5,000 W · 4h/day$316
Aquarium100 W · 12h/day$19
Grow lights400 W · 14h/day$89
E-bike charging150 W · 3h/day$7
Electric scooter charging120 W · 4h/day$8
Gaming PC450 W · 4h/day$28
Television100 W · 5h/day$8
Home server100 W · 24h/day$38
NAS (network storage)40 W · 24h/day$15
Wi-Fi router & modem15 W · 24h/day$6
Security camera system30 W · 24h/day$11
Standby (vampire) power75 W · 24h/day$28
EV home charging7,200 W · 2h/day$228

Monthly cost while the appliance is in use; seasonal equipment (AC, heaters, pool pumps) won't run all 12 months. Presets are typical values — open a calculator to enter your own wattage and hours.

Calculate any appliance at the Hawaii average price

Per hour
$0.78
Per day used
$3.12
Per month
$94.97
Per year
$1,139.58

6.00 kWh/day used · 183 kWh/month in use · 2192 kWh/year at 52.00¢ per kWh

Source: EIA Electric Power Monthly, Table 5.6.A, May 2026. EIA averages are computed from utility revenue divided by kilowatt-hours sold — they include delivery and taxes but are not any specific tariff. Check your bill for your exact rate.