2026 Rivian R1S Dual Large (20in): home charging cost in Alabama

In Alabama, home electricity runs 16.58¢/kWh — put a 2026 Rivian R1S Dual Large (20in)'s EPA-rated 42.9 kWh/100mi against that and 100 miles costs $7.11, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 55.6% 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 2026 Rivian R1S Dual Large (20in) charged at home in Alabama costs about $1,066/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,337 a year.

Cost of a full charge

A 2026 Rivian R1S Dual Large (20in) needs roughly 128.6 kWh to reach its EPA-rated 300-mile range, which runs about $21.32 at 16.58¢/kWh in Alabama.

How this compares nationally

This combination ranks 13,273 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Dual Large (20in) alone ranks 316 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

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Alabama's 16.58¢/kWh compares? The guide to charging cost by state ranks every state side by side.