2026 Tesla Model S Plaid: home charging cost in Tennessee

At Tennessee's residential electricity rate of 13.9¢/kWh, a 2026 Tesla Model S Plaid (rated 30.6 kWh per 100 miles by the EPA) costs $4.25 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. Charging at home costs a fraction of what gas would here: 73.5% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Tesla Model S Plaid charged at home in Tennessee costs about $638/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,765 a year.

What one full charge costs

A 2026 Tesla Model S Plaid needs roughly 112.6 kWh to reach its EPA-rated 368-mile range, which runs about $15.65 at 13.9¢/kWh in Tennessee.

Where this ranks

This combination ranks 1,591 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model S Plaid alone ranks 70 of 400 models for efficiency; Tennessee alone ranks 13 of 51 states for electricity price.

Next step: home charger installation

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Tesla Model S Plaid's cost in Tennessee. At 13.9¢/kWh, Tennessee sits in the middle of the national range — the guide to why charging cost varies by state shows where.