Cost to Charge a Porsche Macan Electric in Rhode Island

$31.25 for a full charge at 29.23¢/kWh — $10.11 per 100 miles, about $1,214 a year.

Porsche Macan Electric in Rhode Island

$31.25 for a full charge

Per 100 miles: $10.11
Per mile: $0.10
Per year: $1,214
vs petrol / yr: $420

Electricity per year
Petrol per year

The full picture

Charging cost breakdown for a Porsche Macan Electric
Item	Energy	Cost
This charge	106.9 kWh	$31.25
Full charge (0–100%)	106.9 kWh	$31.25
Per 100 miles	34.6 kWh	$10.11
Per year (12,000 mi)	4152.0 kWh	$1,214
Same year on petrol (30 mpg)	—	$1,634
Difference	—	$420

What charging actually costs here

Filling a Porsche Macan Electric from empty in Rhode Island costs $31.25. The car draws 106.9 kWh from the wall for a full 309-mile charge, and Rhode Island residential electricity averages 29.23¢ per kWh. That works out at $10.11 per 100 miles, or $0.10 a mile.

Rhode Island is more expensive than average: 29.23¢ against a national mean of 19.42¢, which ranks it 46 of 51 for electricity price. The same car costs $14.02 to fill in Nevada and $56.37 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 1.4× cheaper per mile: $10.11 versus $13.62 per 100 miles. Over 12,000 miles a year that is $420 saved.

Similar EVs in Rhode Island

Charging cost of comparable EVs in Rhode Island
Vehicle	Per 100 mi	Full charge	Per year
Mini Cooper SE	34.6 kWh	$21.85	$1,214
Nissan Ariya	34.4 kWh	$29.06	$1,207
Honda Prologue	34.1 kWh	$29.30	$1,196
Cadillac Optiq	34 kWh	$30.11	$1,193
Mercedes-Benz EQS	34 kWh	$38.76	$1,193
Lexus RZ	35.3 kWh	$23.63	$1,238

The same car in nearby-priced states

Charging a Porsche Macan Electric in states with similar electricity prices
State	¢/kWh	Full charge	Per year
New Jersey	24.95	$26.68	$1,036
New Hampshire	27.01	$28.88	$1,121
Alaska	28.21	$30.16	$1,171
New York	29.49	$31.53	$1,224
Maine	29.59	$31.64	$1,229
Massachusetts	29.61	$31.66	$1,229

Frequently asked questions

How much does it cost to charge a Porsche Macan Electric in Rhode Island?

$31.25 for a full charge from empty. The car needs 106.9 kWh at the wall and Rhode Island residential electricity averages 29.23¢ per kWh.

How much does a Porsche Macan Electric cost per mile in Rhode Island?

About $0.10 a mile, or $10.11 per 100 miles. Over 12,000 miles a year that is roughly $1,214 of electricity.

Is charging a Porsche Macan Electric cheaper than petrol in Rhode Island?

Yes — 1.4 times cheaper per mile. Electricity costs $10.11 per 100 miles here against $13.62 for a 30 mpg petrol car at $4.09 a gallon, a saving of about $420 a year.

How long does a full charge last?

The EPA rates the Porsche Macan Electric at 309 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 34.6 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.