Illinois electric utilities

Residential electricity data by utility in Illinois

These 2 provider pages passed our first-publication quality rules: finalized 2024 EIA data, bundled residential service, observed data, at least 100,000 customers, and a reported service territory.

Commonwealth Edison Co Investor Owned · EIA 4110 15.22¢/kWh 2,922,223 residential customers Ameren Illinois Company Investor Owned · EIA 56697 15.26¢/kWh 520,498 residential customers

Important

Provider averages are historical—not tariff sheets.

EIA annual provider averages are useful for understanding reported residential revenue and sales. Actual customer bills depend on the current tariff and other bill components. For newer statewide context, see the Illinois electricity-rate page.