Arizona 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 Arizona's 15.45¢/kWh residential rate that's $6.66 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 58.4% less than gas per mile, here specifically.
2026 Rivian R1S Dual Large Plus (20in): yearly cost in Arizona
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Dual Large Plus (20in) costs roughly $999 a year to charge at home in Arizona, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,404 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 $21.12 at Arizona's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
Where this ranks
This combination ranks 12,040 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; Arizona alone ranks 25 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 Arizona electrician to quote the install before this math becomes a real decision.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Dual Large Plus (20in)'s cost in Arizona. At 15.45¢/kWh, Arizona sits in the middle of the national range — the guide to why charging cost varies by state shows where.