Charging a 2026 Tesla Model 3 Premium RWD at home in Maine

At Maine's residential electricity rate of 29.67¢/kWh, a 2026 Tesla Model 3 Premium RWD (rated 24.6 kWh per 100 miles by the EPA) costs $7.31 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. That works out to 54.4% cheaper per mile than gasoline in Maine — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Maine owners putting 15,000 annual miles on a 2026 Tesla Model 3 Premium RWD spend about $1,097 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,306 saved annually, at this mileage.

What one full charge costs

At Maine's rate, fully covering this 2026 Tesla Model 3 Premium RWD's 363-mile EPA range costs about $26.54 (89.4 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model 3 Premium RWD in Maine ranks 13,795 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model 3 Premium RWD ranks 4 of 400 EV models for raw efficiency, and Maine ranks 48 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

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

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Maine 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.