Electricity Cost Calculator for Illinois

Estimate your monthly electric bill in Illinois using deterministic statewide residential pricing. This page connects fixed usage scenarios, bill interpretation, appliance calculators, and canonical usage-cost routes.

Illinois average rate
16.36 ¢/kWh
900 kWh estimate
$163.60
U.S. benchmark rate
17.86 ¢/kWh
Difference vs U.S. (900 kWh)
+$2.86

Key metrics

MetricValue
Illinois average rate16.36 ¢/kWh
900 kWh estimate$163.60
U.S. benchmark rate17.86 ¢/kWh
Difference vs U.S. (900 kWh)+$2.86

Illinois monthly bill context

Illinois rate
16.36 ¢/kWh
U.S. average rate
17.86 ¢/kWh
900 kWh in Illinois
$163.60
Average bill benchmark (900 kWh)
$147.24

Usage scenario calculator outputs

Monthly usageEstimated monthly costEstimated annual costCanonical usage page
500 kWh$81.80$981.60Open 500 kWh page
1,000 kWh$163.60$1963.20Open 1,000 kWh page
1,500 kWh$245.40$2944.80Open 1,500 kWh page
2,000 kWh$327.20$3926.40Open 2,000 kWh page

Calculator-to-bill interpretation

This calculator page focuses on usage-based scenarios. The average-bill page for Illinois keeps usage fixed at 900 kWh to help compare states cleanly, while usage pages let you change the load profile.

Compare options

Compare electricity options in Illinois

Compare retail electricity plans and provider options available in Illinois.

View plans in Illinois · Illinois calculator

Stay informed

Track Illinois electricity changes

Get notified about electricity costs rate changes and savings opportunities in Illinois.

Join the newsletter · Illinois alerts

Illinois appliance calculator pages

State cost and bill pathways for Illinois

Historical and trend pages

Fixed-usage and calculator pathways

Appliance and estimator pathways

State comparison pathways for Illinois

Discovery and navigation hubs

Consumer electricity drivers

Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: January 2026. Estimates are energy-only and exclude delivery charges, taxes, and fixed utility fees. For how rates and estimates are defined, see the methodology hub.

Disclaimers