Charging a 2026 Toyota bZ LIMITED (energy capacity 191 Ah) at home in Illinois

At Illinois's residential electricity rate of 19.22¢/kWh, a 2026 Toyota bZ LIMITED (energy capacity 191 Ah) (rated 26.9 kWh per 100 miles by the EPA) costs $5.16 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 67.8% cheaper per mile than gasoline in Illinois — charging at home costs a fraction of what gas would here.

What a year of driving costs

Illinois owners putting 15,000 annual miles on a 2026 Toyota bZ LIMITED (energy capacity 191 Ah) spend about $774 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,628 saved annually, at this mileage.

Filling up the 2026 Toyota bZ LIMITED (energy capacity 191 Ah), in dollars

At Illinois's rate, fully covering this 2026 Toyota bZ LIMITED (energy capacity 191 Ah)'s 299-mile EPA range costs about $15.44 (80.3 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 Toyota bZ LIMITED (energy capacity 191 Ah) in Illinois ranks 5,242 for cost savings versus gas — 1 being the best deal nationally. Separately, the Toyota bZ LIMITED (energy capacity 191 Ah) ranks 17 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

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.