Explore the largest battery storage projects in Iowa and see all the utility-scale battery storage projects in Iowa on a map.
Last updated: May 2026
On this page, you can explore our real-time database of battery storage projects in Iowa. Each month, we track battery storage projects and update our list of the largest battery storage projects in Iowa.
As of May 2026, there are 6 utility-scale battery storage projects in Iowa, according to Cleanview's project tracker. Their total operating capacity is 110 MW. See also: planned battery storage projects in Iowa→
Total Battery Storage Projects
6
Total Capacity
110 MW
Built in 2025
0
Map of battery storage projects in Iowa. Marker size reflects capacity — only facilities with reported capacity data are shown.
99 MW
Year Operational: February 2026
Location: Lee, Iowa
Developer: Alliant Energy
5 MW
Year Operational: January 2023
Location: Linn, Iowa
3 MW
Year Operational: June 2021
Location: Winneshiek, Iowa
2 MW
Year Operational: November 2022
Location: Franklin, Iowa
1 MW
Year Operational: December 2018
Location: Marion, Iowa
0 MW
Year Operational: October 2020
Location: Marshall, Iowa
99 MW
Year Operational: February 2026
Location: Lee, Iowa
Developer: Alliant Energy
5 MW
Year Operational: January 2023
Location: Linn, Iowa
2 MW
Year Operational: November 2022
Location: Franklin, Iowa
3 MW
Year Operational: June 2021
Location: Winneshiek, Iowa
0 MW
Year Operational: October 2020
Location: Marshall, Iowa
1 MW
Year Operational: December 2018
Location: Marion, Iowa
Cleanview