2026 Tesla Model 3 Premium AWD: home charging cost in Maryland

In Maryland, home electricity runs 21.27¢/kWh — put a 2026 Tesla Model 3 Premium AWD's EPA-rated 26.4 kWh/100mi against that and 100 miles costs $5.61, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 65% 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 AWD charged at home in Maryland costs about $842/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,561 a year.

What one full charge costs

A 2026 Tesla Model 3 Premium AWD needs roughly 91.3 kWh to reach its EPA-rated 346-mile range, which runs about $19.41 at 21.27¢/kWh in Maryland.

Where this ranks

This combination ranks 7,466 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model 3 Premium AWD alone ranks 12 of 400 models for efficiency; Maryland alone ranks 39 of 51 states for electricity price.

Getting set up to charge a 2026 Tesla Model 3 Premium AWD 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 Maryland electrician to quote the install before this math becomes a real decision.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Maryland's 21.27¢/kWh rate ranks 39 of 51 states; the state rate guide lays out the full spread.