2026 Tesla Model 3 Premium RWD: home charging cost in North Carolina

At North Carolina's residential electricity rate of 14.9¢/kWh, a 2026 Tesla Model 3 Premium RWD (rated 24.6 kWh per 100 miles by the EPA) costs $3.67 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: 77.1% 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 3 Premium RWD charged at home in North Carolina costs about $551/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,852 a year.

Filling up the 2026 Tesla Model 3 Premium RWD, in dollars

A 2026 Tesla Model 3 Premium RWD needs roughly 89.4 kWh to reach its EPA-rated 363-mile range, which runs about $13.33 at 14.9¢/kWh in North Carolina.

Where this ranks

This combination ranks 338 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model 3 Premium RWD alone ranks 4 of 400 models for efficiency; North Carolina alone ranks 18 of 51 states for electricity price.

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

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.

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

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. North Carolina's 14.9¢/kWh rate ranks 18 of 51 states; the state rate guide lays out the full spread.