Electricity Generation Aggregated by Illinois City

State Rank	City	(Past Year)">Net Generation (Past Year)	Power Plants
#2	Marseilles, IL	20.0 TWh	5
#79	Pontiac, IL	68.0 GWh	5
#99	Rochelle, IL	21.2 GWh	5
#125	Beecher, IL	6.7 GWh	5
#135	DeKalb, IL	5.0 GWh	5
#159	Harvard, IL	3.8 GWh	5
#37	Springfield, IL	663.6 GWh	6
#60	Champaign, IL	267.3 GWh	6
#136	Joliet, IL	4.9 GWh	6
#12	Rock Falls, IL	3.6 TWh	7
#1	Morris, IL	22.1 TWh	8
#114	Freeport, IL	9.9 GWh	8
#45	Lena, IL	464.2 GWh	12
#67	Rockford, IL	186.6 GWh	17
#71	Chicago, IL	135.1 GWh	20

Net Generation data is based on the last 12 months since Mar 2025

Totals are based on the most recent 12 months net generation

List of All Illinois Cities