How much does an electric car cost per month in Delaware?

About $58.52 a month, assuming 3,800 kWh a year at 18.48¢/kWh.

How many kilowatt-hours does an electric car use?

Roughly 3,800 kWh a year under these assumptions.

Is that expensive compared with other states?

Delaware has the 19th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $696 a year.

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Cost to run an electric car in Delaware (July 2026 rates)

At 18.48¢ per kilowatt-hour — Delaware's average residential price in July 2026 — running an electric car costs $702 a year. That is about the same as the national average. Delaware's residential rate is up 11.5% from July 2025, which moves this appliance from $630 to $702 a year.

Per day: $1.92
Per month: $58.52
Per year: $702

Assumption: 3,800 kWh a year. 12,000 miles a year at roughly 3.5 miles per kWh, plus about 10% charging losses, on home Level 2 charging. Use the calculator to swap in the numbers from your own model.

How Delaware compares

Delaware pays 18.48¢/kWh, the 19th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $6.46 more a year than the typical U.S. household pays for the same use. Running the same electric car costs $483 a year in Louisiana and $1,824 in Hawaii, so where you live changes this bill by $1,341 a year.

State	Rate	Per month	Per year
Minnesota	17.45¢	$55.26	$663
Virginia	17.55¢	$55.58	$667
Delaware	18.48¢	$58.52	$702
Wisconsin	19.06¢	$60.36	$724
Illinois	19.22¢	$60.86	$730

States ranked by average residential price, cheapest first. See all 51 states for an electric car.

What else costs about the same in Delaware

Electric water heater$647 a year in DE Hot tub$462 a year in DE Central air conditioner$435 a year in DE

Cutting the number down

Charging on an off-peak or EV rate plan is usually the single largest lever, and it costs nothing but a schedule setting.
Charging losses are real: the meter sees noticeably more than the battery receives, especially in cold weather.
Cost per mile, not cost per charge, is the number that compares cleanly against a tank of gasoline.

Questions

How much does an electric car cost per month in Delaware?: About $58.52 a month, assuming 3,800 kWh a year at 18.48¢/kWh.
How many kilowatt-hours does an electric car use?: Roughly 3,800 kWh a year under these assumptions.
Is that expensive compared with other states?: Delaware has the 19th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $696 a year.