Charging a 2026 Tesla Model 3 Performance at home in South Carolina

A 2026 Tesla Model 3 Performance draws 29.6 kWh per 100 miles per the EPA; at South Carolina's 16.04¢/kWh residential rate that's $4.75 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 70.4% cheaper per mile than gasoline in South Carolina — charging at home costs a fraction of what gas would here.

What a year of driving costs

South Carolina owners putting 15,000 annual miles on a 2026 Tesla Model 3 Performance spend about $712 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,691 saved annually, at this mileage.

Cost of a full charge

At South Carolina's rate, fully covering this 2026 Tesla Model 3 Performance's 309-mile EPA range costs about $14.66 (91.4 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 Tesla Model 3 Performance in South Carolina ranks 3,398 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model 3 Performance ranks 52 of 400 EV models for raw efficiency, and South Carolina ranks 27 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Tesla Model 3 Performance at home

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

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 16.04¢/kWh, South Carolina sits in the middle of the national range — the guide to why charging cost varies by state shows where.