Explore the largest battery storage projects in Illinois and see all the utility-scale battery storage projects in Illinois on a map.
Last updated: May 2026
On this page, you can explore our real-time database of battery storage projects in Illinois. Each month, we track battery storage projects and update our list of the largest battery storage projects in Illinois.
As of May 2026, there are 7 utility-scale battery storage projects in Illinois, according to Cleanview's project tracker. Their total operating capacity is 100 MW. See also: planned battery storage projects in Illinois→
Total Battery Storage Projects
7
Total Capacity
100 MW
Built in 2025
0
Map of battery storage projects in Illinois. Marker size reflects capacity — only facilities with reported capacity data are shown.
36 MW
Year Operational: March 2015
Location: LaSalle, Illinois
20 MW
Year Operational: November 2014
Location: DeKalb, Illinois
20 MW
Year Operational: February 2016
Location: McHenry, Illinois
20 MW
Year Operational: December 2018
Location: McHenry, Illinois
2 MW
Year Operational: December 2024
Location: Montgomery, Illinois
Developer: Vistra
2 MW
Year Operational: December 2024
Location: Randolph, Illinois
Developer: Vistra
0 MW
Year Operational: May 2017
Location: Champaign, Illinois
2 MW
Year Operational: December 2024
Location: Montgomery, Illinois
Developer: Vistra
2 MW
Year Operational: December 2024
Location: Randolph, Illinois
Developer: Vistra
20 MW
Year Operational: December 2018
Location: McHenry, Illinois
0 MW
Year Operational: May 2017
Location: Champaign, Illinois
20 MW
Year Operational: February 2016
Location: McHenry, Illinois
36 MW
Year Operational: March 2015
Location: LaSalle, Illinois
20 MW
Year Operational: November 2014
Location: DeKalb, Illinois
Cleanview