2026 Tesla Model 3 Standard RWD: home charging cost in Illinois

At Illinois's residential electricity rate of 19.22¢/kWh, a 2026 Tesla Model 3 Standard RWD (rated 24.3 kWh per 100 miles by the EPA) costs $4.67 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 costs a fraction of what gas would here: 70.8% less than gas per mile, here specifically.

2026 Tesla Model 3 Standard RWD: yearly cost in Illinois

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Tesla Model 3 Standard RWD charged at home in Illinois costs about $701/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,702 a year.

What one full charge costs

A 2026 Tesla Model 3 Standard RWD needs roughly 78 kWh to reach its EPA-rated 321-mile range, which runs about $14.99 at 19.22¢/kWh in Illinois.

How this compares nationally

This combination ranks 3,085 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model 3 Standard RWD alone ranks 2 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.

Before you install a home charger in Illinois

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.

Ask a licensed Illinois electrician to quote the install before this math becomes a real decision.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Tesla Model 3 Standard RWD's cost in Illinois. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.