2026 Porsche Macan Electric 20in Wheels: home charging cost in Rhode Island

A 2026 Porsche Macan Electric 20in Wheels draws 32.1 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $9.45 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 41% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Porsche Macan Electric 20in Wheels charged at home in Rhode Island costs about $1,418/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $985 a year.

Cost of a full charge

A 2026 Porsche Macan Electric 20in Wheels needs roughly 106.6 kWh to reach its EPA-rated 332-mile range, which runs about $31.39 at 29.45¢/kWh in Rhode Island.

Where this ranks

This combination ranks 16,915 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Porsche Macan Electric 20in Wheels alone ranks 92 of 400 models for efficiency; Rhode Island alone ranks 47 of 51 states for electricity price.

Getting set up to charge a 2026 Porsche Macan Electric 20in Wheels at home

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Line up a few Rhode Island electrician quotes for Level 2 install before you commit either way.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Rhode Island has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.