Charging a 2026 Porsche Taycan 4S Performance Battery at home in South Carolina

At South Carolina's residential electricity rate of 16.04¢/kWh, a 2026 Porsche Taycan 4S Performance Battery (rated 38.4 kWh per 100 miles by the EPA) costs $6.17 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 61.5% cheaper per mile than gasoline in South Carolina — charging at home is much cheaper than gas here.

What a year of driving costs

South Carolina owners putting 15,000 annual miles on a 2026 Porsche Taycan 4S Performance Battery spend about $925 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,478 saved annually, at this mileage.

Filling up the 2026 Porsche Taycan 4S Performance Battery, in dollars

At South Carolina's rate, fully covering this 2026 Porsche Taycan 4S Performance Battery's 252-mile EPA range costs about $15.54 (96.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Taycan 4S Performance Battery in South Carolina ranks 10,217 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Taycan 4S Performance Battery ranks 225 of 400 EV models for raw efficiency, and South Carolina ranks 27 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.

Get quotes from local electricians for Level 2 charger installation in South Carolina before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Porsche Taycan 4S Performance Battery's cost in South Carolina. South Carolina's 16.04¢/kWh rate ranks 27 of 51 states; the state rate guide lays out the full spread.