Charging a 2027 Rivian R1T Performance (20in) at home in Illinois
A 2027 Rivian R1T Performance (20in) draws 47 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $9.03 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 43.6% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.
2027 Rivian R1T Performance (20in): yearly cost in Illinois
Illinois owners putting 15,000 annual miles on a 2027 Rivian R1T Performance (20in) spend about $1,355 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,048 saved annually, at this mileage.
Filling up the 2027 Rivian R1T Performance (20in), in dollars
At Illinois's rate, fully covering this 2027 Rivian R1T Performance (20in)'s 348-mile EPA range costs about $31.43 (163.5 kWh) — the energy the EPA test actually used, not the battery's rated size.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Performance (20in) in Illinois ranks 16,427 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance (20in) ranks 370 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 (20in) 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. Illinois's 19.22¢/kWh rate ranks 36 of 51 states; the state rate guide lays out the full spread.