2027 Rivian R1S Premium Long Range (22in): home charging cost in Illinois

At Illinois's residential electricity rate of 19.22¢/kWh, a 2027 Rivian R1S Premium Long Range (22in) (rated 39.9 kWh per 100 miles by the EPA) costs $7.68 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: 52.1% less than gas per mile, here specifically.

2027 Rivian R1S Premium Long Range (22in): yearly cost in Illinois

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1S Premium Long Range (22in) charged at home in Illinois costs about $1,151/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,252 a year.

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

A 2027 Rivian R1S Premium Long Range (22in) needs roughly 163.7 kWh to reach its EPA-rated 410-mile range, which runs about $31.47 at 19.22¢/kWh in Illinois.

2027 Rivian R1S Premium Long Range (22in) in Illinois, ranked

This combination ranks 14,514 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium Long Range (22in) alone ranks 264 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.

Before you install a home charger in Illinois

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 Illinois before deciding.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium Long Range (22in)'s cost in Illinois. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.