2027 Rivian R1S Performance (20in AT): home charging cost in Alabama

At Alabama's residential electricity rate of 16.58¢/kWh, a 2027 Rivian R1S Performance (20in AT) (rated 49.8 kWh per 100 miles by the EPA) costs $8.26 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: 48.4% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1S Performance (20in AT) charged at home in Alabama costs about $1,239/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,164 a year.

What one full charge costs

A 2027 Rivian R1S Performance (20in AT) needs roughly 164 kWh to reach its EPA-rated 329-mile range, which runs about $27.18 at 16.58¢/kWh in Alabama.

How this compares nationally

This combination ranks 15,437 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance (20in AT) alone ranks 386 of 400 models for efficiency; Alabama alone ranks 29 of 51 states for electricity price.

Before you install a home charger in Alabama

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.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Performance (20in AT)'s cost in Alabama. Alabama's 16.58¢/kWh rate ranks 29 of 51 states; the state rate guide lays out the full spread.