What it costs to charge a 2026 Tesla Model S in Tennessee

A 2026 Tesla Model S draws 27.1 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $3.77 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 76.5% 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 Tesla Model S in Tennessee runs about $566 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,837 saved annually, at this mileage.

What one full charge costs

$15.46 — that's what Tennessee's 13.9¢/kWh rate puts on the 111.2 kWh a 2026 Tesla Model S needs for its full 410-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model S in Tennessee ranks 485 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model S ranks 20 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Tesla Model S 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 Tennessee 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. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.