What it costs to charge a 2027 Rivian R1T Performance (22in) in Illinois
In Illinois, home electricity runs 19.22¢/kWh — put a 2027 Rivian R1T Performance (22in)'s EPA-rated 44.6 kWh/100mi against that and 100 miles costs $8.57, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 46.5% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.
What a year of driving costs
Home charging this 2027 Rivian R1T Performance (22in) in Illinois runs about $1,285 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,118 saved annually, at this mileage.
What one full charge costs
$31.78 — that's what Illinois's 19.22¢/kWh rate puts on the 165.4 kWh a 2027 Rivian R1T Performance (22in) needs for its full 371-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Performance (22in) in Illinois ranks 15,864 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance (22in) ranks 355 of 400 EV models for raw efficiency, and Illinois ranks 36 of 51 for cheapest residential electricity.
Getting set up to charge a 2027 Rivian R1T Performance (22in) at home
Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.
Get quotes from local electricians for Level 2 charger installation in Illinois before deciding.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.