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

About $77.61 a month, assuming 3,800 kWh a year at 24.51¢/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?

Connecticut has the 11th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $690 a year.

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Cost to run an electric car in Connecticut (August 2026 rates)

At 24.51¢ per kilowatt-hour — Connecticut's average residential price in August 2026 — running an electric car costs $931 a year. That is 35% more than the national average of $690. Connecticut's residential rate is down 18.8% from August 2025, which moves this appliance from $1,146 to $931 a year.

Per day: $2.55
Per month: $77.61
Per year: $931

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 Connecticut compares

Connecticut pays 24.51¢/kWh, the 11th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $241 more a year than the typical U.S. household pays for the same use. Running the same electric car costs $483 a year in Nevada and $1,793 in Hawaii, so where you live changes this bill by $1,309 a year.

State	Rate	Per month	Per year
Michigan	22.99¢	$72.80	$874
Vermont	23.84¢	$75.49	$906
Connecticut	24.51¢	$77.61	$931
New Jersey	24.61¢	$77.93	$935
District of Columbia	25.98¢	$82.27	$987

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

What else costs about the same in Connecticut

Electric water heater$858 a year in CT Hot tub$613 a year in CT Central air conditioner$576 a year in CT

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 Connecticut?: About $77.61 a month, assuming 3,800 kWh a year at 24.51¢/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?: Connecticut has the 11th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $690 a year.