What it costs to charge a 2026 Rivian R1S All-Terrain Tri Max (20in) in Arizona

In Arizona, home electricity runs 15.45¢/kWh — put a 2026 Rivian R1S All-Terrain Tri Max (20in)'s EPA-rated 49.8 kWh/100mi against that and 100 miles costs $7.7, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 51.9% 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 All-Terrain Tri Max (20in) in Arizona runs about $1,155 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,248 saved annually, at this mileage.

Filling up the 2026 Rivian R1S All-Terrain Tri Max (20in), in dollars

$25.33 — that's what Arizona's 15.45¢/kWh rate puts on the 164 kWh a 2026 Rivian R1S All-Terrain Tri Max (20in) needs for its full 329-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S All-Terrain Tri Max (20in) in Arizona ranks 14,573 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S All-Terrain Tri Max (20in) ranks 388 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.

Line up a few Arizona electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Arizona's 15.45¢/kWh rate ranks 25 of 51 states; the state rate guide lays out the full spread.