2026 Rivian R1T Dual Max (22in): home charging cost in Illinois
In Illinois, home electricity runs 19.22¢/kWh — put a 2026 Rivian R1T Dual Max (22in)'s EPA-rated 38.8 kWh/100mi against that and 100 miles costs $7.47, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 53.4% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T Dual Max (22in) charged at home in Illinois costs about $1,120/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,283 a year.
Filling up the 2026 Rivian R1T Dual Max (22in), in dollars
A 2026 Rivian R1T Dual Max (22in) needs roughly 163.1 kWh to reach its EPA-rated 420-mile range, which runs about $31.35 at 19.22¢/kWh in Illinois.
How this compares nationally
This combination ranks 14,124 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Dual Max (22in) alone ranks 234 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.
Before you install a home charger in Illinois
The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.
Get quotes from local electricians for Level 2 charger installation in Illinois before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.