Cost to Charge a Polestar 3 in New Hampshire

$31.60 for a full charge at 27.01¢/kWh — $10.13 per 100 miles, about $1,215 a year.

Polestar 3 in New Hampshire

$31.60 for a full charge

Per 100 miles: $10.13
Per mile: $0.10
Per year: $1,215
vs petrol / yr: $419

Electricity per year
Petrol per year

The full picture

Charging cost breakdown for a Polestar 3
Item	Energy	Cost
This charge	117.0 kWh	$31.60
Full charge (0–100%)	117.0 kWh	$31.60
Per 100 miles	37.5 kWh	$10.13
Per year (12,000 mi)	4500.0 kWh	$1,215
Same year on petrol (30 mpg)	—	$1,634
Difference	—	$419

What charging actually costs here

Filling a Polestar 3 from empty in New Hampshire costs $31.60. The car draws 117.0 kWh from the wall for a full 312-mile charge, and New Hampshire residential electricity averages 27.01¢ per kWh. That works out at $10.13 per 100 miles, or $0.10 a mile.

New Hampshire is more expensive than average: 27.01¢ against a national mean of 19.42¢, which ranks it 44 of 51 for electricity price. The same car costs $15.34 to fill in Nevada and $61.68 in Hawaii — a 4.0× spread across the country for identical driving.

Against a petrol car doing 30 mpg at $4.09 a gallon, electricity here is 1.3× cheaper per mile: $10.13 versus $13.62 per 100 miles. Over 12,000 miles a year that is $419 saved.

Similar EVs in New Hampshire

Charging cost of comparable EVs in New Hampshire
Vehicle	Per 100 mi	Full charge	Per year
Ford Mustang Mach-E	37.4 kWh	$28.28	$1,212
Acura ZDX	37.7 kWh	$32.89	$1,222
Genesis Electrified GV70	37.3 kWh	$25.19	$1,209
Hyundai Ioniq 9	38 kWh	$32.84	$1,232
Cadillac Lyriq	36.8 kWh	$32.40	$1,193
Volvo EX90	36.8 kWh	$27.43	$1,193

The same car in nearby-priced states

Charging a Polestar 3 in states with similar electricity prices
State	¢/kWh	Full charge	Per year
District of Columbia	24.39	$28.54	$1,098
Vermont	24.44	$28.59	$1,100
New Jersey	24.95	$29.19	$1,123
Alaska	28.21	$33.01	$1,269
Rhode Island	29.23	$34.20	$1,315
New York	29.49	$34.50	$1,327

Frequently asked questions

How much does it cost to charge a Polestar 3 in New Hampshire?

$31.60 for a full charge from empty. The car needs 117.0 kWh at the wall and New Hampshire residential electricity averages 27.01¢ per kWh.

How much does a Polestar 3 cost per mile in New Hampshire?

About $0.10 a mile, or $10.13 per 100 miles. Over 12,000 miles a year that is roughly $1,215 of electricity.

Is charging a Polestar 3 cheaper than petrol in New Hampshire?

Yes — 1.3 times cheaper per mile. Electricity costs $10.13 per 100 miles here against $13.62 for a 30 mpg petrol car at $4.09 a gallon, a saving of about $419 a year.

How long does a full charge last?

The EPA rates the Polestar 3 at 312 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 37.5 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.