2026 Tesla Model 3 Performance AWD: home charging cost in Illinois

At Illinois's residential electricity rate of 19.22¢/kWh, a 2026 Tesla Model 3 Performance AWD (rated 30.2 kWh per 100 miles by the EPA) costs $5.81 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. Charging at home is much cheaper than gas here: 63.7% 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 Tesla Model 3 Performance AWD charged at home in Illinois costs about $872/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,531 a year.

Filling up the 2026 Tesla Model 3 Performance AWD, in dollars

A 2026 Tesla Model 3 Performance AWD needs roughly 95 kWh to reach its EPA-rated 314-mile range, which runs about $18.25 at 19.22¢/kWh in Illinois.

2026 Tesla Model 3 Performance AWD in Illinois, ranked

This combination ranks 8,522 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model 3 Performance AWD alone ranks 63 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.

Getting set up to charge a 2026 Tesla Model 3 Performance AWD at home

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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.