Cost to run appliances in Illinois
Updated August 2026 · average residential rates
Quick answer: Illinois pays 16.4¢/kWh on average — 3% below the US average, #34 cheapest of 51. A space heater costs about $44.87/month here (6 h/day); every other appliance is in the table below at local rates.
Run your own numbers
typically 750–1,500 W (most run at 1,500 W on high) · default assumes 6 hours/day on high during cold months
24.6¢
per hour running
$1.48
per day
$44.87
per month
$539
per year
Uses about 9.0 kWh/day at 16.4¢/kWh (Illinois). National average would be $46.24/month.