Explore the largest hydro power plants in Illinois and see all the utility-scale hydro projects in Illinois on a map.
Last updated: May 2026
On this page, you can explore our real-time database of hydro power plants in Illinois. Each month, we track hydro projects and update our list of the largest hydro power plants in Illinois.
As of May 2026, there are 8 utility-scale hydro power plants in Illinois, according to Cleanview's project tracker. Their total operating capacity is 38 MW.
Total Hydro Power Plants
8
Total Capacity
38 MW
Built in 2025
0
Map of hydro power plants in Illinois. Marker size reflects capacity — only facilities with reported capacity data are shown.
16 MW
Year Operational: December 2001
Location: Will, Illinois
8 MW
Year Operational: September 1996
Location: Lasalle, Illinois
4 MW
Year Operational: January 1925
Location: LaSalle, Illinois
4 MW
Year Operational: January 1942
Location: Rock Island, Illinois
3 MW
Year Operational: June 1925
Location: Lee, Illinois
2 MW
Year Operational: June 1988
Location: Whiteside, Illinois
1 MW
Year Operational: July 1991
Location: Kankakee, Illinois
1 MW
Year Operational: January 1929
Location: Winnebago, Illinois
16 MW
Year Operational: December 2001
Location: Will, Illinois
8 MW
Year Operational: September 1996
Location: Lasalle, Illinois
1 MW
Year Operational: July 1991
Location: Kankakee, Illinois
2 MW
Year Operational: June 1988
Location: Whiteside, Illinois
4 MW
Year Operational: January 1942
Location: Rock Island, Illinois
1 MW
Year Operational: January 1929
Location: Winnebago, Illinois
3 MW
Year Operational: June 1925
Location: Lee, Illinois
4 MW
Year Operational: January 1925
Location: LaSalle, Illinois
Cleanview