Illinois Electricity Rates (2026)

16.5¢/kWhstate average

Near national average

Utilities in Illinois

Commonwealth Edison (ComEd)

17.2¢/kWh~$127/mo

+12.1%6.2% above avg

Rate Outlook for Illinois

How Accurate Were Past Forecasts?

EIA projections for Illinois vs. actual observed rates

Data Sources: U.S. Energy Information Administration — Annual Energy Outlook (AEO2010, AEO2015, AEO2020, AEO2025) and Monthly Energy Review.

Methodology: State-level projections are derived by applying national rate trends from EIA's Annual Energy Outlook to Illinois's current observed rate. EIA does not publish state-level projections.

Freshness: This data is checked weekly against EIA's open data APIs. The Monthly Energy Review updates monthly with observed rates. The Annual Energy Outlook publishes new projections annually.

View source data at EIA Open Data