EV Charging Cost in Illinois: 18.86¢ per kWh
▼ 2% below US averageLatest EIA data: March 2026 Published May 24, 2026 Source: U.S. Energy Information Administration
Illinois Electricity Price Trend (24 Months)
Charging Cost by Battery Size in Illinois
| Battery | Example EV | Est. range | Full charge (0–100%) |
|---|---|---|---|
| 40 kWh | Nissan Leaf | 140 mi | $7.54 |
| 60 kWh | Typical EV | 210 mi | $11.32 |
| 80 kWh | Tesla Model 3 LR | 280 mi | $15.09 |
| 100 kWh | Tesla Model S | 350 mi | $18.86 |
Estimated range and charge cost assume 3.5 mi/kWh efficiency at Illinois's 18.86¢/kWh residential rate. *Annual savings assumes 1,000 miles/month vs a 25 MPG gas car at $3.50/gallon.
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Frequently Asked Questions
How much does electricity cost in Illinois?
Residential electricity in Illinois costs 18.86¢/kWh as of March 2026, according to the U.S. Energy Information Administration. That is 2% below the US average of 19.16¢/kWh, ranking Illinois the 16th most expensive of all 50 states and DC.
How much does it cost to charge an EV in Illinois?
At 18.86¢/kWh, a full 0–100% charge costs about $7.54 for a 40 kWh battery, $11.32 for a typical 60 kWh EV, and $18.86 for a 100 kWh battery. That works out to roughly 5.4¢ per mile of driving.
Is it cheaper to drive an EV than a gas car in Illinois?
Yes. Driving 1,000 miles a month on electricity in Illinois costs about $647 a year, versus roughly $1,680 for a 25 MPG gas car at $3.50/gallon — an annual saving of about $1,033.
Electricity price from the U.S. Energy Information Administration (Form EIA-861), March 2026.