Charging a 2026 Rivian R1T All-Terrain Performance Dual Large Plus (20in) at home in Illinois

A 2026 Rivian R1T All-Terrain Performance Dual Large Plus (20in) draws 46.9 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $9.01 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 43.7% 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 All-Terrain Performance Dual Large Plus (20in) spend about $1,352 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,051 saved annually, at this mileage.

Cost of a full charge

At Illinois's rate, fully covering this 2026 Rivian R1T All-Terrain Performance Dual Large Plus (20in)'s 292-mile EPA range costs about $26.31 (136.9 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 All-Terrain Performance Dual Large Plus (20in) in Illinois ranks 16,400 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T All-Terrain Performance Dual Large Plus (20in) ranks 368 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.

Get quotes from local electricians for Level 2 charger installation in Illinois before deciding.

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.