Charging a 2026 Tesla Model S at home in Rhode Island

At Rhode Island's residential electricity rate of 29.45¢/kWh, a 2026 Tesla Model S (rated 27.1 kWh per 100 miles by the EPA) costs $7.99 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 50.1% cheaper per mile than gasoline in Rhode Island — charging at home is much cheaper than gas here.

2026 Tesla Model S: yearly cost in Rhode Island

Rhode Island owners putting 15,000 annual miles on a 2026 Tesla Model S spend about $1,199 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,204 saved annually, at this mileage.

What one full charge costs

At Rhode Island's rate, fully covering this 2026 Tesla Model S's 410-mile EPA range costs about $32.76 (111.2 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 S in Rhode Island ranks 15,052 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model S ranks 20 of 400 EV models for raw efficiency, and Rhode Island ranks 47 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 Rhode Island 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. Rhode Island 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.