Charging a 2026 Rivian R1S Quad Max (20in AT) at home in Arizona

A 2026 Rivian R1S Quad Max (20in AT) draws 50.1 kWh per 100 miles per the EPA; at Arizona's 15.45¢/kWh residential rate that's $7.74 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 51.7% cheaper per mile than gasoline in Arizona — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Arizona owners putting 15,000 annual miles on a 2026 Rivian R1S Quad Max (20in AT) spend about $1,161 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,242 saved annually, at this mileage.

What one full charge costs

At Arizona's rate, fully covering this 2026 Rivian R1S Quad Max (20in AT)'s 325-mile EPA range costs about $25.16 (162.8 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Quad Max (20in AT) in Arizona ranks 14,626 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad Max (20in AT) ranks 392 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.

Get quotes from local electricians for Level 2 charger installation in Arizona before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 15.45¢/kWh, Arizona sits in the middle of the national range — the guide to why charging cost varies by state shows where.