Charging a 2026 Rivian R1T Dual Standard (22in) at home in Illinois

At Illinois's residential electricity rate of 19.22¢/kWh, a 2026 Rivian R1T Dual Standard (22in) (rated 39.9 kWh per 100 miles by the EPA) costs $7.67 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 52.1% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Illinois owners putting 15,000 annual miles on a 2026 Rivian R1T Dual Standard (22in) spend about $1,150 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,253 saved annually, at this mileage.

Filling up the 2026 Rivian R1T Dual Standard (22in), in dollars

At Illinois's rate, fully covering this 2026 Rivian R1T Dual Standard (22in)'s 270-mile EPA range costs about $20.7 (107.7 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 2026 Rivian R1T Dual Standard (22in) in Illinois ranks 14,518 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Standard (22in) ranks 263 of 400 EV models for raw efficiency, and Illinois ranks 36 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1T Dual Standard (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.

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

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.