Illinois home charging cost for the 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in)

A 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in) draws 46.9 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $9.01 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 43.7% less than gas per mile, here specifically.

2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in): yearly cost in Illinois

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in) costs roughly $1,352 a year to charge at home in Illinois, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,051 a year.

Filling up the 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in), in dollars

Covering the 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in)'s EPA-rated 292-mile range takes about 136.9 kWh, which costs about $26.31 at Illinois's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in) in Illinois, ranked

This combination ranks 16,398 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Performance Dual Large Plus (20in) alone ranks 366 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 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in)'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.