Charging a 2026 Rivian R1S Quad Max (22in UHP) at home in Rhode Island

A 2026 Rivian R1S Quad Max (22in UHP) draws 47.3 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $13.94 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 13% cheaper per mile than gasoline in Rhode Island — charging at home costs a little less than gas here.

Annual cost, at 15 thousands miles a year

Rhode Island owners putting 15,000 annual miles on a 2026 Rivian R1S Quad Max (22in UHP) spend about $2,092 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $311 saved annually, at this mileage.

What one full charge costs

At Rhode Island's rate, fully covering this 2026 Rivian R1S Quad Max (22in UHP)'s 338-mile EPA range costs about $47.13 (160 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 Rivian R1S Quad Max (22in UHP) in Rhode Island ranks 19,807 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad Max (22in UHP) ranks 373 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.

Before you install a home charger in Rhode Island

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 Quad Max (22in UHP)'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.