What it costs to charge a 2026 Tesla Model X in Illinois

A 2026 Tesla Model X draws 32.2 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $6.19 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 61.4% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Tesla Model X in Illinois runs about $928 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,475 saved annually, at this mileage.

What one full charge costs

$21.79 — that's what Illinois's 19.22¢/kWh rate puts on the 113.4 kWh a 2026 Tesla Model X needs for its full 352-mile EPA range.

2026 Tesla Model X in Illinois, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model X in Illinois ranks 10,274 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model X ranks 95 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.

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.