What it costs to charge a 2026 Rivian R1T Performance Dual Large Plus (20in) in Illinois

A 2026 Rivian R1T Performance Dual Large Plus (20in) draws 43.1 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $8.29 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 48.3% 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 Performance Dual Large Plus (20in) in Illinois runs about $1,243 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,160 saved annually, at this mileage.

Filling up the 2026 Rivian R1T Performance Dual Large Plus (20in), in dollars

$26.27 — that's what Illinois's 19.22¢/kWh rate puts on the 136.7 kWh a 2026 Rivian R1T Performance Dual Large Plus (20in) needs for its full 317-mile EPA range.

2026 Rivian R1T Performance Dual Large Plus (20in) in Illinois, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Performance Dual Large Plus (20in) in Illinois ranks 15,474 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance Dual Large Plus (20in) ranks 330 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 Performance Dual Large Plus (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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T Performance Dual Large Plus (20in)'s cost in Illinois. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.