Home › States › Illinois
EV vs gas cost in Illinois: $899 a year saved at 12,000 miles
With Illinois electricity at 19.22¢/kWh and regular gasoline at $4.14/gal, a typical EV (0.3 kWh/mile, charged 80% at home) costs about 7.3¢ per mile to run versus 14.8¢ per mile for a 28 mpg gas car. That beats gas by $899 a year at 12,000 miles. Illinois ranks #31 of 51 (50 states + DC) for annual savings and #36 for lowest residential electricity price.
Your numbers
Defaults are the latest EIA averages for the state you pick; overwrite any box with your own bill or pump price. Everything runs in your browser; nothing is sent anywhere.
What the Illinois numbers say
- Electricity: Illinois residential average is 19.22¢/kWh year-to-date through July 2026, 6% above the U.S. average of 18.19¢. It is up 10.7% from the same period in 2025. Latest single month (July 2026): 19.22¢.
- Gasoline: $4.14/gal (EIA regional series: Midwest (PADD2)), up $1.34 from a year ago. The U.S. average is $4.28.
- Cost-equivalent MPG: a gas car would need about 57 mpg to cost the same per mile as this EV in Illinois.
- If prices move: at 20% cheaper gas ($3.32) the yearly EV saving would be $544; at 20% higher electricity (23.06¢) it would be $788.
What this leaves out: purchase price, tax credits, insurance, maintenance, depreciation, home charger installation, time-of-use rates and cold-weather range loss. Your utility's own rate may differ from the state average. See the methodology.
Cost to run common things in Illinois
- Space heater (1,500 W): $0.29 per hour
- Electric blanket (200 W): $0.31 per 8-hour night
- Window air conditioner (1,000 W): $0.19 per hour
- Electric clothes dryer: $0.58 per load
- Dishwasher: $0.19 per load
- Refrigerator: $86 per year
- Gaming PC (300 W under load): $0.06 per hour
- EV home charging (per 100 miles): $5.77 per 100 miles
Heating this winter? In Illinois a heat pump costs about $22.53 per million BTU of heat vs $11.62 for a gas furnace and $22.36 for propane. Heat pump vs furnace in Illinois.