Charging a 2026 Tesla Model Y Long Range RWD at home in Illinois

At Illinois's residential electricity rate of 19.22¢/kWh, a 2026 Tesla Model Y Long Range RWD (rated 25.2 kWh per 100 miles by the EPA) costs $4.85 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 69.7% cheaper per mile than gasoline in Illinois — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Illinois owners putting 15,000 annual miles on a 2026 Tesla Model Y Long Range RWD spend about $727 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,676 saved annually, at this mileage.

Cost of a full charge

At Illinois's rate, fully covering this 2026 Tesla Model Y Long Range RWD's 357-mile EPA range costs about $17.31 (90.1 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model Y Long Range RWD in Illinois ranks 3,831 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model Y Long Range RWD ranks 6 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.

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

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.