Charging a 2027 Rivian R1T Premium Long Range (22in) at home in Illinois
In Illinois, home electricity runs 19.22¢/kWh — put a 2027 Rivian R1T Premium Long Range (22in)'s EPA-rated 38.8 kWh/100mi against that and 100 miles costs $7.47, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 53.4% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.
2027 Rivian R1T Premium Long Range (22in): yearly cost in Illinois
Illinois owners putting 15,000 annual miles on a 2027 Rivian R1T Premium Long Range (22in) spend about $1,120 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,283 saved annually, at this mileage.
What one full charge costs
At Illinois's rate, fully covering this 2027 Rivian R1T Premium Long Range (22in)'s 420-mile EPA range costs about $31.35 (163.1 kWh) — the energy the EPA test actually used, not the battery's rated size.
2027 Rivian R1T Premium Long Range (22in) in Illinois, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Premium Long Range (22in) in Illinois ranks 14,123 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Premium Long Range (22in) ranks 233 of 400 EV models for raw efficiency, and Illinois ranks 36 of 51 for cheapest residential electricity.
Next step: home charger installation
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.
Line up a few Illinois electrician quotes for Level 2 install before you commit either way.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Illinois's 19.22¢/kWh rate ranks 36 of 51 states; the state rate guide lays out the full spread.