What it costs to charge a 2026 Tesla Model 3 Standard RWD in Tennessee

In Tennessee, home electricity runs 13.9¢/kWh — put a 2026 Tesla Model 3 Standard RWD's EPA-rated 24.3 kWh/100mi against that and 100 miles costs $3.38, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 78.9% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

2026 Tesla Model 3 Standard RWD: yearly cost in Tennessee

Home charging this 2026 Tesla Model 3 Standard RWD in Tennessee runs about $507 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,896 saved annually, at this mileage.

Cost of a full charge

$10.84 — that's what Tennessee's 13.9¢/kWh rate puts on the 78 kWh a 2026 Tesla Model 3 Standard RWD needs for its full 321-mile EPA range.

2026 Tesla Model 3 Standard RWD in Tennessee, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model 3 Standard RWD in Tennessee ranks 97 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model 3 Standard RWD ranks 2 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Before you install a home charger in Tennessee

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.

Ask a licensed Tennessee electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.