Charging a 2026 Rivian R1T Performance Dual Large Plus (22in) at home in Illinois

In Illinois, home electricity runs 19.22¢/kWh — put a 2026 Rivian R1T Performance Dual Large Plus (22in)'s EPA-rated 40.9 kWh/100mi against that and 100 miles costs $7.86, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 50.9% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.

What a year of driving costs

Illinois owners putting 15,000 annual miles on a 2026 Rivian R1T Performance Dual Large Plus (22in) spend about $1,179 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,224 saved annually, at this mileage.

Filling up the 2026 Rivian R1T Performance Dual Large Plus (22in), in dollars

At Illinois's rate, fully covering this 2026 Rivian R1T Performance Dual Large Plus (22in)'s 330-mile EPA range costs about $25.94 (135 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1T Performance Dual Large Plus (22in) in Illinois, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Performance Dual Large Plus (22in) in Illinois ranks 14,852 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance Dual Large Plus (22in) ranks 281 of 400 EV models for raw efficiency, and Illinois ranks 36 of 51 for cheapest residential electricity.

Before you install a home charger in Illinois

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

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.