Arizona home charging cost for the 2027 Rivian R1S Premium (22in)

In Arizona, home electricity runs 15.45¢/kWh — put a 2027 Rivian R1S Premium (22in)'s EPA-rated 39.5 kWh/100mi against that and 100 miles costs $6.1, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 61.9% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1S Premium (22in) costs roughly $915 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 $1,488 a year.

Filling up the 2027 Rivian R1S Premium (22in), in dollars

Covering the 2027 Rivian R1S Premium (22in)'s EPA-rated 329-mile range takes about 129.9 kWh, which costs about $20.06 at Arizona's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2027 Rivian R1S Premium (22in) in Arizona, ranked

This combination ranks 9,862 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium (22in) alone ranks 249 of 400 models for efficiency; Arizona alone ranks 25 of 51 states for electricity price.

Next step: home charger installation

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.

Ask a licensed Arizona electrician to quote the install before this math becomes a real decision.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium (22in)'s cost in Arizona. At 15.45¢/kWh, Arizona sits in the middle of the national range — the guide to why charging cost varies by state shows where.