What it costs to charge a 2026 Rivian R1S Dual Standard (20in) in Rhode Island

At Rhode Island's residential electricity rate of 29.45¢/kWh, a 2026 Rivian R1S Dual Standard (20in) (rated 42.9 kWh per 100 miles by the EPA) costs $12.62 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 21.2% cheaper per mile than gasoline in Rhode Island — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2026 Rivian R1S Dual Standard (20in) in Rhode Island runs about $1,894 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $509 saved annually, at this mileage.

Cost of a full charge

$32.57 — that's what Rhode Island's 29.45¢/kWh rate puts on the 110.6 kWh a 2026 Rivian R1S Dual Standard (20in) needs for its full 258-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Standard (20in) in Rhode Island ranks 19,354 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Standard (20in) ranks 312 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S Dual Standard (20in) 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.

Line up a few Rhode Island electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Dual Standard (20in)'s cost in Rhode Island. 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.