What it costs to charge a 2026 Rivian R1S Dual Standard (20in) in Arizona

In Arizona, home electricity runs 15.45¢/kWh — put a 2026 Rivian R1S Dual Standard (20in)'s EPA-rated 42.9 kWh/100mi against that and 100 miles costs $6.62, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 58.7% cheaper per mile than gasoline in Arizona — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2026 Rivian R1S Dual Standard (20in) in Arizona runs about $993 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,409 saved annually, at this mileage.

Filling up the 2026 Rivian R1S Dual Standard (20in), in dollars

$17.09 — that's what Arizona's 15.45¢/kWh rate puts on the 110.6 kWh a 2026 Rivian R1S Dual Standard (20in) needs for its full 258-mile EPA range.

2026 Rivian R1S Dual Standard (20in) in Arizona, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Standard (20in) in Arizona ranks 11,863 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Standard (20in) ranks 312 of 400 EV models for raw efficiency, and Arizona ranks 25 of 51 for cheapest residential electricity.

Before you install a home charger in Arizona

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 Arizona 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. Curious how Arizona's 15.45¢/kWh compares? The guide to charging cost by state ranks every state side by side.