Rhode Island home charging cost for the 2026 Rivian R1S Dual Large Plus (20in)
A 2026 Rivian R1S Dual Large Plus (20in) draws 43.1 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $12.7 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is cheaper than gas here: 20.7% less than gas per mile, here specifically.
2026 Rivian R1S Dual Large Plus (20in): yearly cost in Rhode Island
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Dual Large Plus (20in) costs roughly $1,905 a year to charge at home in Rhode Island, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $498 a year.
Filling up the 2026 Rivian R1S Dual Large Plus (20in), in dollars
Covering the 2026 Rivian R1S Dual Large Plus (20in)'s EPA-rated 317-mile range takes about 136.7 kWh, which costs about $40.26 at Rhode Island's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
How this compares nationally
This combination ranks 19,387 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Dual Large Plus (20in) alone ranks 327 of 400 models for efficiency; Rhode Island alone ranks 47 of 51 states for electricity price.
Getting set up to charge a 2026 Rivian R1S Dual Large Plus (20in) at home
The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.
Ask a licensed Rhode Island electrician to quote the install before this math becomes a real decision.
Where these figures come from
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.