Charging a 2026 Tesla Model S Plaid (21in wheels) at home in Illinois

In Illinois, home electricity runs 19.22¢/kWh — put a 2026 Tesla Model S Plaid (21in wheels)'s EPA-rated 36.2 kWh/100mi against that and 100 miles costs $6.96, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 56.6% 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 Tesla Model S Plaid (21in wheels) spend about $1,044 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,359 saved annually, at this mileage.

Filling up the 2026 Tesla Model S Plaid (21in wheels), in dollars

At Illinois's rate, fully covering this 2026 Tesla Model S Plaid (21in wheels)'s 309-mile EPA range costs about $21.51 (111.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Tesla Model S Plaid (21in wheels) in Illinois, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model S Plaid (21in wheels) in Illinois ranks 12,942 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model S Plaid (21in wheels) ranks 171 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.

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. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.