Arizona home charging cost for the 2027 Rivian R1S Premium (20in AT)

A 2027 Rivian R1S Premium (20in AT) draws 44.4 kWh per 100 miles per the EPA; at Arizona's 15.45¢/kWh residential rate that's $6.85 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: 57.2% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1S Premium (20in AT) costs roughly $1,028 a year to charge at home in Arizona, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,375 a year.

Cost of a full charge

Covering the 2027 Rivian R1S Premium (20in AT)'s EPA-rated 289-mile range takes about 128.2 kWh, which costs about $19.81 at Arizona's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 12,637 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium (20in AT) alone ranks 342 of 400 models for efficiency; Arizona alone ranks 25 of 51 states for electricity price.

Getting set up to charge a 2027 Rivian R1S Premium (20in AT) at home

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.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium (20in AT)'s cost in Arizona. Arizona's 15.45¢/kWh rate ranks 25 of 51 states; the state rate guide lays out the full spread.