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State electricity cost benchmarks and appliance budgets.

Hawaii Electricity Rate

$0.4280 / kWh

US Rank: #1 most expensive

Comparison: +154.8% above US average ($0.168)

Market Status: Regulated Utility

Calculate Your Bill with Hawaii's Rate →

Appliance Running Costs in Hawaii

Calculated using Hawaii's average residential rate of $0.4280 per kWh:

Appliance Active Power Hourly Cost Monthly Cost
1500W Space Heater 1500W $0.417 $100.15
Window AC (10,000 BTU) 1200W $0.282 $67.80
Portable Air Conditioner (12k BTU) 1350W $0.404 $97.07
Central Air Conditioner (3-Ton) 3500W $0.749 $202.23
Dehumidifier (50-Pint) 420W $0.117 $42.06
Gaming PC (Under Load) 550W $0.235 $28.25
Desktop PC (Office / Idle) 90W $0.039 $9.24
EV Level 1 Charger (120V / 12A) 1440W $0.616 $184.90
EV Level 2 Charger (240V / 32A) 7680W $3.287 $493.06
Modern Refrigerator (22 cu. ft.) 150W $0.026 $18.49
Chest Freezer 110W $0.024 $16.95
Electric Water Heater (50 Gal) 4500W $0.289 $208.01
Electric Clothes Dryer 3000W $0.963 $28.89
Pool Pump (Single Speed 1.5 HP) 1500W $0.642 $154.08
Hot Tub Heater 4000W $0.428 $308.16
Countertop Microwave 1100W $0.471 $4.24
Air Fryer / Convection Toaster 1700W $0.618 $9.28
Hair Dryer (High Heat) 1800W $0.770 $5.78
Bitcoin Miner (Antminer S19 Pro) 3250W $1.391 $1,001.52
Aquarium (Heater + Filter 55 Gal) 200W $0.043 $30.82
65-inch OLED TV (Active) 120W $0.051 $7.70
Entertainment Standby / Vampire Draw 35W $0.015 $10.79

Electricity Bill Factors in Hawaii

While the statewide average is $0.4280/kWh, your actual cost may vary depending on municipal utility boundaries, investor-owned utility (IOU) delivery riders, and seasonal volumetric rate adjustments. Enter your exact 5-digit ZIP code on our homepage to resolve hyper-local utility rates.

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