EV vs Gas Cost in Illinois (2026)
Illinois electricity averages 14.9¢/kWh. Gas is $3.55/gallon. Driving an EV 12,000 miles costs $511/year vs $1,420/year for a 30 MPG gas car.
Annual savings
$909
per year
5-year savings
$4,545
fuel only
EV/mile
4.3¢
vs 11.8¢ gas
State rebate
$4,000
available
Illinois beats the national average
National average EV fuel savings: $728/year. Illinois comes in $181/year higher. Cheap electricity (14.9¢/kWh) and high gas ($3.55/gal) — strong combination for EV owners.
Illinois: EV vs gas full breakdown
| EV | Gas car (30 MPG) | |
|---|---|---|
| Fuel rate | 14.9¢/kWh | $3.55/gal |
| Cost per mile | 4.3¢/mile | 11.8¢/mile |
| Annual fuel (12,000 mi) | $511 | $1,420 |
| 5-year fuel | $2,555 | $7,100 |
| Annual fuel savings | $909/yr · $4,545 over 5 years | |
3.5 mi/kWh EV efficiency · 30 MPG gas car · home charging · 2026 EIA electricity rates and GasBuddy gas prices
Illinois savings calculator — adjust for your situation
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Electricity: 14.9¢/kWh · Gas: $3.55/gal · Illinois 2026 rates
Illinois EV incentives (2026)
State rebate: up to $4,000
Illinois Electric Vehicle Rebate Program: $4,000 for new BEV purchase. Income limit of $80K single / $160K joint. Apply at ev-rebate.ilgov.com.
Utility rebates
ComEd offers $750 EV charger rebate.
Electricity: 14.9¢/kWh
1.2¢ below the national average of 16.1¢/kWh. A full 75 kWh battery charge costs $11.18.
Source: EIA 2026 residential rates
Gas: $3.55/gallon
$0.35 above the national average of $3.2/gal. Filling a 15-gallon tank costs $53.25 in Illinois.
Source: GasBuddy 2026 state averages
EV charging availability in Illinois
Decent coveragePublic charging in Illinois covers major metro areas and interstate corridors. Rural coverage is improving. Home charging handles most daily needs.
Compare other states
More Illinois EV data