What it costs to charge a 2026 Porsche Macan 4S Electric in Tennessee

A 2026 Porsche Macan 4S Electric draws 36.8 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.11 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 68.1% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Porsche Macan 4S Electric in Tennessee runs about $767 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,636 saved annually, at this mileage.

Cost of a full charge

$14.83 — that's what Tennessee's 13.9¢/kWh rate puts on the 106.7 kWh a 2026 Porsche Macan 4S Electric needs for its full 290-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Macan 4S Electric in Tennessee ranks 5,067 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Macan 4S Electric ranks 185 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Porsche Macan 4S Electric's cost in Tennessee. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.