Cost to Charge a Subaru Solterra in Delaware

$15.56 for a full charge at 19.29¢/kWh — $5.40 per 100 miles, about $648 a year.

Subaru Solterra in Delaware

$15.56 for a full charge

Per 100 miles: $5.40
Per mile: $0.05
Per year: $648
vs petrol / yr: $986

Electricity per year
Petrol per year

The full picture

Charging cost breakdown for a Subaru Solterra
Item	Energy	Cost
This charge	80.6 kWh	$15.56
Full charge (0–100%)	80.6 kWh	$15.56
Per 100 miles	28.0 kWh	$5.40
Per year (12,000 mi)	3360.0 kWh	$648
Same year on petrol (30 mpg)	—	$1,634
Difference	—	$986

What charging actually costs here

Filling a Subaru Solterra from empty in Delaware costs $15.56. The car draws 80.6 kWh from the wall for a full 288-mile charge, and Delaware residential electricity averages 19.29¢ per kWh. That works out at $5.40 per 100 miles, or $0.05 a mile.

Against a petrol car doing 30 mpg at $4.09 a gallon, electricity here is 2.5× cheaper per mile: $5.40 versus $13.62 per 100 miles. Over 12,000 miles a year that is $986 saved.

Similar EVs in Delaware

Charging cost of comparable EVs in Delaware
Vehicle	Per 100 mi	Full charge	Per year
Hyundai Ioniq 6	28 kWh	$17.07	$648
Toyota bZ	28 kWh	$15.56	$648
Tesla Model Y	27.5 kWh	$17.35	$637
BMW iX	28.6 kWh	$23.94	$662
BMW i5	28.9 kWh	$18.29	$669
Tesla Model S	27.1 kWh	$21.43	$627

The same car in nearby-priced states

Charging a Subaru Solterra in states with similar electricity prices
State	¢/kWh	Full charge	Per year
Indiana	17.51	$14.12	$588
Minnesota	17.52	$14.13	$589
Ohio	19.19	$15.47	$645
Wisconsin	19.56	$15.77	$657
Illinois	19.89	$16.04	$668
Pennsylvania	21.73	$17.52	$730

Frequently asked questions

How much does it cost to charge a Subaru Solterra in Delaware?

$15.56 for a full charge from empty. The car needs 80.6 kWh at the wall and Delaware residential electricity averages 19.29¢ per kWh.

How much does a Subaru Solterra cost per mile in Delaware?

About $0.05 a mile, or $5.40 per 100 miles. Over 12,000 miles a year that is roughly $648 of electricity.

Is charging a Subaru Solterra cheaper than petrol in Delaware?

Yes — 2.5 times cheaper per mile. Electricity costs $5.40 per 100 miles here against $13.62 for a 30 mpg petrol car at $4.09 a gallon, a saving of about $986 a year.

How long does a full charge last?

The EPA rates the Subaru Solterra at 288 miles combined. Cold weather, motorway speeds and a loaded car all reduce that; the EPA number is a standardised test, not a guarantee.

Does this include charging losses?

Yes. The EPA's 28 kWh/100 mi figure is measured at the wall socket, so the energy lost in the charger and cabling is already in the number. No extra efficiency factor is applied.

Vehicle data: EPA fueleconomy.gov, model years 2025-2027. Electricity: EIA Electric Power Monthly Table 5.6.A, residential, June 2026. Petrol: EIA weekly retail gasoline price, 24 August 2026.

Estimates for informational purposes only. Real charging cost depends on your tariff, time of use, charger efficiency, temperature, driving style and state of charge. EPA figures are a standardised test result, not a promise about your car.