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How much does it cost to run an electric car?

At the U.S. average residential price of 18.34¢ per kilowatt-hour (June 2026), running an electric car costs about $697 a year. Your own bill depends on your state's rate, which ranges from 13.11¢ to 52.72¢ across the country.

Per day
$1.91
Per month
$58.08
Per year
$697

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.

Cost by state

Same appliance, same usage, 51 different prices. Sorted cheapest first.

StateRatePer monthPer year
Nevada13.11¢$41.51$498
Nebraska13.25¢$41.96$504
Utah13.37¢$42.34$508
Louisiana13.49¢$42.72$513
Tennessee14.07¢$44.55$535
North Dakota14.12¢$44.71$537
Arkansas14.12¢$44.71$537
Kentucky14.26¢$45.16$542
Oklahoma14.33¢$45.38$545
Idaho14.37¢$45.50$546
North Carolina14.74¢$46.68$560
Mississippi14.88¢$47.12$565
Washington14.91¢$47.22$567
New Mexico15.06¢$47.69$572
Florida15.10¢$47.82$574
Montana15.14¢$47.94$575
Arizona15.18¢$48.07$577
Wyoming15.24¢$48.26$579
South Dakota15.36¢$48.64$584
West Virginia15.45¢$48.93$587
South Carolina15.55¢$49.24$591
Kansas15.71¢$49.75$597
Iowa15.93¢$50.45$605
Texas15.94¢$50.48$606
Missouri16.22¢$51.36$616
Oregon16.32¢$51.68$620
Georgia16.36¢$51.81$622
Alabama16.40¢$51.93$623
Colorado17.13¢$54.24$651
Virginia17.22¢$54.53$654
Indiana17.51¢$55.45$665
Minnesota17.52¢$55.48$666
Ohio19.19¢$60.77$729
Delaware19.29¢$61.09$733
Wisconsin19.56¢$61.94$743
Illinois19.89¢$62.98$756
Pennsylvania21.73¢$68.81$826
Maryland21.84¢$69.16$830
Michigan22.99¢$72.80$874
Connecticut24.32¢$77.01$924
District of Columbia24.39¢$77.23$927
Vermont24.44¢$77.39$929
New Jersey24.95¢$79.01$948
New Hampshire27.01¢$85.53$1,026
Alaska28.21¢$89.33$1,072
Rhode Island29.23¢$92.56$1,111
New York29.49¢$93.38$1,121
Maine29.59¢$93.70$1,124
Massachusetts29.61¢$93.76$1,125
California34.74¢$110$1,320
Hawaii52.72¢$167$2,003

Cutting the number down

Questions

How many watts does an electric car use?
Usage is better expressed as 3,800 kWh a year.
How much does an electric car cost per month?
About $58.08 a month at the U.S. average rate, or $697 a year.
Where is it cheapest to run?
Nevada, at $498 a year, versus $2,003 in Hawaii — a spread of $1,505.