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

At Rhode Island's residential electricity rate of 29.45¢/kWh, a 2026 Rivian R1S Performance Dual Large Plus (20in) (rated 43.1 kWh per 100 miles by the EPA) costs $12.7 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 20.7% 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 Performance Dual Large Plus (20in) in Rhode Island runs about $1,905 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $498 saved annually, at this mileage.

Cost of a full charge

$40.26 — that's what Rhode Island's 29.45¢/kWh rate puts on the 136.7 kWh a 2026 Rivian R1S Performance Dual Large Plus (20in) needs for its full 317-mile EPA range.

2026 Rivian R1S Performance Dual Large Plus (20in) in Rhode Island, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Large Plus (20in) in Rhode Island ranks 19,388 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Large Plus (20in) ranks 328 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 Performance Dual Large Plus (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.

Ask a licensed Rhode Island 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. 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.