Illinois Electricity Price History

Dataset last updated May 28, 2026 (UTC). The U.S. Energy Information Administration (EIA) publishes monthly state data with a reporting lag, so the series above reflects March 2026 activity. · Methodology

This monthly series shows the state-level average residential electricity price in cents per kWh and is intended for trend context.

Trend: Up from 2024-04 (16.51¢/kWh) to 2026-03 (18.86¢/kWh)

Source: U.S. Energy Information Administration (EIA).

Showing 24 of 303 months. All history