2026 Rivian R1S Dual Max (22in): home charging cost in Arizona
A 2026 Rivian R1S Dual Max (22in) draws 39.9 kWh per 100 miles per the EPA; at Arizona's 15.45¢/kWh residential rate that's $6.17 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: 61.5% less than gas per mile, here specifically.
2026 Rivian R1S Dual Max (22in): yearly cost in Arizona
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Dual Max (22in) charged at home in Arizona costs about $926/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,477 a year.
Cost of a full charge
A 2026 Rivian R1S Dual Max (22in) needs roughly 163.7 kWh to reach its EPA-rated 410-mile range, which runs about $25.3 at 15.45¢/kWh in Arizona.
How this compares nationally
This combination ranks 10,162 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Dual Max (22in) alone ranks 265 of 400 models for efficiency; Arizona alone ranks 25 of 51 states for electricity price.
Before you install a home charger in Arizona
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 Max (22in)'s cost in Arizona. Arizona's 15.45¢/kWh rate ranks 25 of 51 states; the state rate guide lays out the full spread.