Charging a 2026 Tesla Model 3 Standard RWD at home in Massachusetts
In Massachusetts, home electricity runs 30.06¢/kWh — put a 2026 Tesla Model 3 Standard RWD's EPA-rated 24.3 kWh/100mi against that and 100 miles costs $7.31, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 54.4% cheaper per mile than gasoline in Massachusetts — charging at home is much cheaper than gas here.
2026 Tesla Model 3 Standard RWD: yearly cost in Massachusetts
Massachusetts owners putting 15,000 annual miles on a 2026 Tesla Model 3 Standard RWD spend about $1,096 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,307 saved annually, at this mileage.
Cost of a full charge
At Massachusetts's rate, fully covering this 2026 Tesla Model 3 Standard RWD's 321-mile EPA range costs about $23.45 (78 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model 3 Standard RWD in Massachusetts ranks 13,791 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 Massachusetts ranks 49 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 Tesla Model 3 Standard RWD at home
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 Massachusetts electrician to quote the install before this math becomes a real decision.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Massachusetts has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.