Billowatt

Rates updated April 2026 · EIA data

What's actually driving your electric bill?

What every plug in your home really costs. Most cost guides assume a national-average rate — but real rates run from 12.4¢/kWh in North Dakota to 46.6¢ in Hawaii. We compute every number with your state's current rate.

Estimated appliance total

$285/mo

1,515 kWh · typical home in your state ≈ $166

Most-searched running costs

All 157 appliances →

Your state's real rate

The same space heater costs nearly 4× more to run in Hawaii than North Dakota. Every number on this site uses current state-level rates, refreshed monthly from U.S. Energy Information Administration data.

Real appliance data

157 appliances with measured wattage ranges, duty cycles, and realistic usage patterns — not the label maximums that overstate half of what's in your house.

Answers, then math

Every page leads with the number you came for, then shows the assumptions so you can adjust them to your home with the built-in calculators. See our methodology.

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Electricity costs in your state

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