Charging a 2026 Rivian R1T Dual Large Plus (20in) at home in Arizona
At Arizona's residential electricity rate of 15.45¢/kWh, a 2026 Rivian R1T Dual Large Plus (20in) (rated 43.1 kWh per 100 miles by the EPA) costs $6.66 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 58.4% cheaper per mile than gasoline in Arizona — charging at home is much cheaper than gas here.
What a year of driving costs
Arizona owners putting 15,000 annual miles on a 2026 Rivian R1T Dual Large Plus (20in) spend about $999 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,404 saved annually, at this mileage.
Filling up the 2026 Rivian R1T Dual Large Plus (20in), in dollars
At Arizona's rate, fully covering this 2026 Rivian R1T Dual Large Plus (20in)'s 317-mile EPA range costs about $21.12 (136.7 kWh) — the energy the EPA test actually used, not the battery's rated size.
2026 Rivian R1T Dual Large Plus (20in) in Arizona, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Large Plus (20in) in Arizona ranks 12,042 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Large Plus (20in) ranks 329 of 400 EV models for raw efficiency, and Arizona ranks 25 of 51 for cheapest residential electricity.
Next step: home charger installation
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
See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T Dual Large Plus (20in)'s cost in Arizona. Curious how Arizona's 15.45¢/kWh compares? The guide to charging cost by state ranks every state side by side.