Charging a 2026 Porsche Taycan 4 Perf Battery Plus 19in All-Season (M+S) at home in Tennessee

At Tennessee's residential electricity rate of 13.9¢/kWh, a 2026 Porsche Taycan 4 Perf Battery Plus 19in All-Season (M+S) (rated 36.2 kWh per 100 miles by the EPA) costs $5.04 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 68.6% 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

Tennessee owners putting 15,000 annual miles on a 2026 Porsche Taycan 4 Perf Battery Plus 19in All-Season (M+S) spend about $756 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,647 saved annually, at this mileage.

What one full charge costs

At Tennessee's rate, fully covering this 2026 Porsche Taycan 4 Perf Battery Plus 19in All-Season (M+S)'s 315-mile EPA range costs about $15.87 (114.2 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Taycan 4 Perf Battery Plus 19in All-Season (M+S) in Tennessee ranks 4,686 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Taycan 4 Perf Battery Plus 19in All-Season (M+S) ranks 172 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

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.