PlugCosts

Electricity cost in Illinois

Avg residential price · May 2026
23.85¢/kWh
vs U.S. average (18.44¢)
+29%
Rank (1 = cheapest of 51)
#40+28.4% vs year ago

What typical appliances cost per month in Illinois

AppliancePresetEst. monthly cost
Central air conditioner ~3,500 W · 8h/day$203
Window air conditioner ~900 W · 8h/day$52
Portable air conditioner ~1,100 W · 8h/day$64
Ductless mini-split ~800 W · 8h/day$46
Central heat pump ~3,000 W · 6h/day$131
Space heater ~1,500 W · 6h/day$65
Electric baseboard heater ~1,500 W · 8h/day$87
Infrared heater ~1,500 W · 6h/day$65
Oil-filled radiator ~1,200 W · 7h/day$61
Furnace blower fan ~500 W · 6h/day$22
Ceiling fan ~60 W · 8h/day$3
Whole-house fan ~400 W · 3h/day$9
Attic fan ~300 W · 6h/day$13
Humidifier ~40 W · 10h/day$3
Electric fireplace ~1,400 W · 4h/day$41
Dehumidifier ~500 W · 10h/day$36
Refrigerator ~150 W · 8h/day$9
Garage refrigerator ~200 W · 10h/day$15
Upright freezer ~120 W · 8h/day$7
Chest freezer ~90 W · 8h/day$5
Microwave ~1,100 W · 0.25h/day$2
Electric oven ~2,400 W · 1h/day$17
Electric stove burner ~2,000 W · 1h/day$15
Induction cooktop ~1,800 W · 0.75h/day$10
Air fryer ~1,500 W · 0.5h/day$5
Toaster oven ~1,200 W · 0.5h/day$4
Coffee maker ~1,000 W · 0.3h/day$2
Electric kettle ~1,500 W · 0.2h/day$2
Countertop ice maker ~120 W · 8h/day$7
Dishwasher ~1,500 W · 1h/day$11
Electric water heater ~4,500 W · 3h/day$98
Heat pump water heater ~550 W · 4h/day$16
Electric tankless water heater ~18,000 W · 1h/day$131
Washing machine ~500 W · 0.75h/day$3
Electric clothes dryer ~3,000 W · 1h/day$22
Heat pump dryer ~900 W · 1.5h/day$10
Well pump ~1,000 W · 2h/day$15
Sump pump ~800 W · 1h/day$6
Pool pump ~1,100 W · 6h/day$48
Hot tub ~3,000 W · 3h/day$65
Electric sauna ~6,000 W · 1h/day$44
Heated floor ~1,200 W · 6h/day$52
Garage heater ~5,000 W · 4h/day$145
Aquarium ~100 W · 12h/day$9
Grow lights ~400 W · 14h/day$41
E-bike charging ~150 W · 3h/day$3
Electric scooter charging ~120 W · 4h/day$3
Gaming PC ~450 W · 4h/day$13
Television ~100 W · 5h/day$4
Home server ~100 W · 24h/day$17
NAS (network storage) ~40 W · 24h/day$7
Wi-Fi router & modem ~15 W · 24h/day$3
Security camera system ~30 W · 24h/day$5
Standby (vampire) power ~75 W · 24h/day$13
EV home charging 1,000 mi/month · 28 kWh/100 mi · 12% charging losses$76

Monthly cost while the appliance is in use; seasonal equipment (AC, heaters, pool pumps) won't run all 12 months. EV home charging uses 1,000 miles/month at 28 kWh/100 mi with 12% charging losses — not charger wattage. Open any calculator to enter your own numbers.

Calculate any appliance at the Illinois average price

Per hour
$0.36
Per day used
$1.43
Per month
$43.56
Per year
$522.67

6.00 kWh/day used · 183 kWh/month in use · 2192 kWh/year at 23.85¢ 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.