Illinois home charging cost for the 2027 Rivian R2 Performance AWD (21in)

In Illinois, home electricity runs 19.22¢/kWh — put a 2027 Rivian R2 Performance AWD (21in)'s EPA-rated 32.2 kWh/100mi against that and 100 miles costs $6.18, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 61.4% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R2 Performance AWD (21in) costs roughly $928 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 $1,475 a year.

What one full charge costs

Covering the 2027 Rivian R2 Performance AWD (21in)'s EPA-rated 330-mile range takes about 106.2 kWh, which costs about $20.41 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 10,272 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R2 Performance AWD (21in) alone ranks 94 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.

Ask a licensed Illinois electrician to quote the install before this math becomes a real decision.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.