Wattbill

What does it cost to run?

Every appliance and electric car here is priced with the latest official residential electricity rate for your state from the U.S. Energy Information Administration, currently June 2026, with the assumptions shown next to each number.

What common appliances cost a month

Typical use at the US average of 18.3¢ per kWh
ApplianceTypical useA month
Electric water heater3 hours a day of element heating time (tank type)$83.68
Space heater8 hours a day on its high setting, November to March$66.94*
Dehumidifier12 hours a day of running time, May to September$52.55*
Whole-house fan6 hours a day in the evening, May to September$16.57*
Clothes dryerone 1-hour load, 4 days a week$10.84
Electric oven1 hour a day of cooking$10.06
Dishwasherone 1-hour cycle, 5 days a week$7.17
Computer monitor8 hours a day$6.69
Refrigeratorplugged in all year, using the ENERGY STAR typical annual consumption$6.07
Upright freezerplugged in all year, using the ENERGY STAR typical annual consumption$6.04
Ceiling fan8 hours a day, May to September$5.36*
Desktop computer8 hours a day (tower only, no monitor)$5.36

* A month while in use (seasonal appliances).

All appliances

What electric cars cost to charge at home

At the US average rate
CarPer 100 miles1,000 mi a month
Tesla Model Y Premium AWD$5.03$50.25
Tesla Model 3 Standard RWD$4.44$44.38
Hyundai Ioniq 5$5.43$54.29
Chevrolet Bolt$5.15$51.54
Cadillac Lyriq$6.71$67.12
Ford Mustang Mach-E$6.05$60.52

All electric cars

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