Electricity rates in Illinois
See the latest average electricity prices in Illinois and estimate your bill with a calculator prefilled with the local residential rate.
$0.20
per kWh · EIA, Apr 2026
Residential
$0.20
per kWh
Commercial
$0.14
per kWh
Industrial
$0.10
per kWh
vs US average
+9%
more expensive
Price rank
#16
of 51 (1 = highest)
How Illinois compares
Residential price per kWh vs the national average and the cheapest/most expensive states.
Sample monthly bills in Illinois
Estimated energy cost at Illinois's average residential rate (before fixed charges and tax).
500 kWh / month
$102.35
≈ $1,228.2/year
900 kWh / month
$184.23
≈ $2,210.76/year
1200 kWh / month
$245.64
≈ $2,947.68/year
Illinois electricity bill calculator
Prefilled with Illinois's average residential rate. Adjust usage, add fixed charges, or switch to a tiered tariff.
$132.82
600 kWh · ≈ $4.36/day
Per day
$4.36
Per year
$1,593.84
7,200 kWh/yr
Cost breakdown
- Energy92%
- Fixed charge8%
Estimate only. Check your official utility bill for exact charges.
About electricity prices in Illinois
What the rate includes
The figures above are EIA average retail prices — the total revenue utilities collect divided by kWh sold. Your own rate depends on your utility, plan, and usage tier, so treat this as a Illinois benchmark.
Lowering your bill
The fastest wins are usually heating, cooling, and water heating. Use the appliance calculator to find your biggest energy users, then shift heavy usage off-peak if your plan supports it.