Arizona home charging cost for the 2026 Rivian R1S Performance Dual Large (20in)

At Arizona's residential electricity rate of 15.45¢/kWh, a 2026 Rivian R1S Performance Dual Large (20in) (rated 42.9 kWh per 100 miles by the EPA) costs $6.62 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. Charging at home is much cheaper than gas here: 58.7% 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 2026 Rivian R1S Performance Dual Large (20in) costs roughly $994 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 $1,409 a year.

Cost of a full charge

Covering the 2026 Rivian R1S Performance Dual Large (20in)'s EPA-rated 300-mile range takes about 128.6 kWh, which costs about $19.87 at Arizona's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 11,864 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Large (20in) alone ranks 317 of 400 models for efficiency; Arizona alone ranks 25 of 51 states for electricity price.

Before you install a home charger in Arizona

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 2026 Rivian R1S Performance Dual Large (20in)'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.