What it costs to charge a 2026 Rivian R1T Tri Max (22in) in Illinois

At Illinois's residential electricity rate of 19.22¢/kWh, a 2026 Rivian R1T Tri Max (22in) (rated 44.6 kWh per 100 miles by the EPA) costs $8.57 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 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 2026 Rivian R1T Tri Max (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.

Cost of a full charge

$31.78 — that's what Illinois's 19.22¢/kWh rate puts on the 165.4 kWh a 2026 Rivian R1T Tri Max (22in) needs for its full 371-mile EPA range.

2026 Rivian R1T Tri Max (22in) in Illinois, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Tri Max (22in) in Illinois ranks 15,866 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Tri Max (22in) ranks 357 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

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T Tri Max (22in)'s cost in Illinois. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.