EV vs Gas Savings in Illinois (2026)
Illinois electricity averages 13.8¢/kWh and gas runs $3.68/gallon. Driving an EV 12,000 miles costs $473/year in fuel. A 30 MPG gas car costs $1472/year.
Annual savings
$999
per year
5-year savings
$4,995
fuel only
EV fuel/yr
$473
13.8¢/kWh
Gas fuel/yr
$1,472
$3.68/gal
Illinois beats the national average
The national average EV fuel savings is $728/year. Illinois comes in $271/year higher. Cheap electricity (13.8¢/kWh) plus high gas ($3.68/gal) is a strong combination.
Illinois EV vs gas: the full cost breakdown
| EV | Gas car | |
|---|---|---|
| Fuel rate | 13.8¢/kWh | $3.68/gal |
| Efficiency | 3.5 mi/kWh | 30 MPG |
| Annual fuel cost (12,000 mi) | $473 | $1,472 |
| 5-year fuel cost | $2,365 | $7,360 |
| EV fuel savings | $999/yr · $4,995 over 5 years | |
12,000 mi/yr · 3.5 mi/kWh EV · 30 MPG gas car · 2026 EIA and GasBuddy data · home charging only
Electricity: 13.8¢/kWh
2.3¢ below the national average of 16.1¢/kWh. At this rate, charging a 75 kWh battery pack from empty costs $10.35.
Source: EIA 2026 residential rates
Gas: $3.68/gallon
$0.48 above the national average of $3.2/gal. Filling a 15-gallon tank costs $55.2 in Illinois.
Source: GasBuddy 2026 state averages
More EV data for Illinois