Maryland home charging cost for the 2026 Tesla Model 3 Performance
In Maryland, home electricity runs 21.27¢/kWh — put a 2026 Tesla Model 3 Performance's EPA-rated 29.6 kWh/100mi against that and 100 miles costs $6.29, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 60.7% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Tesla Model 3 Performance costs roughly $944 a year to charge at home in Maryland, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,459 a year.
Filling up the 2026 Tesla Model 3 Performance, in dollars
Covering the 2026 Tesla Model 3 Performance's EPA-rated 309-mile range takes about 91.4 kWh, which costs about $19.44 at Maryland's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
2026 Tesla Model 3 Performance in Maryland, ranked
This combination ranks 10,678 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model 3 Performance alone ranks 52 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 Performance 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.
Line up a few Maryland electrician quotes for Level 2 install before you commit either way.
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.