Illinois Electricity Price History

Dataset last updated Aug 17, 2026 (UTC). The U.S. Energy Information Administration (EIA) publishes monthly state data with a reporting lag, so the series above reflects May 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 2024-06 (16.01¢/kWh) to 2026-05 (23.85¢/kWh)

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

Showing 24 of 305 months. All history · Price changelog