Illinois home charging cost for the 2027 Rivian R1T Quad (20in AT)

In Illinois, home electricity runs 19.22¢/kWh — put a 2027 Rivian R1T Quad (20in AT)'s EPA-rated 50.1 kWh/100mi against that and 100 miles costs $9.63, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 39.9% less than gas per mile, here specifically.

2027 Rivian R1T Quad (20in AT): yearly cost in Illinois

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1T Quad (20in AT) costs roughly $1,444 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 $958 a year.

What one full charge costs

Covering the 2027 Rivian R1T Quad (20in AT)'s EPA-rated 325-mile range takes about 162.8 kWh, which costs about $31.3 at Illinois's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 17,088 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Quad (20in AT) alone ranks 391 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.

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

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.