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

At Wisconsin's residential electricity rate of 18.99¢/kWh, a 2026 Rivian R1S Dual Large (20in) (rated 42.9 kWh per 100 miles by the EPA) costs $8.14 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: 49.2% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Dual Large (20in) charged at home in Wisconsin costs about $1,221/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,182 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 $24.42 at 18.99¢/kWh in Wisconsin.

Where this ranks

This combination ranks 15,271 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; Wisconsin alone ranks 35 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S Dual Large (20in) 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 Wisconsin before deciding.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Dual Large (20in)'s cost in Wisconsin. Curious how Wisconsin's 18.99¢/kWh compares? The guide to charging cost by state ranks every state side by side.