Explore the largest battery storage projects expected to come online in Iowa and see all proposed battery storage projects on a map.
Last updated: September 2026
On this page, you can explore our database of planned battery storage projects in Iowa. Each month, we track projects in development and update our list of the largest battery storage projects expected to come online in Iowa.
As of September 2026, there are 15 battery storage projects in development in Iowa, according to Cleanview's project tracker. Their total planned capacity is 2,120 MW. See also: operating battery storage projects in Iowa→
Planned Projects
15
Planned Capacity
2,120 MW
Unique Developers
2
300 MW
Expected Online: October 2027
Location: Linn, Iowa
205 MW
Expected Online: June 2028
Location: Buchanan, Iowa
200 MW
Expected Online: September 2027
Location: Mahaska, Iowa
200 MW
Expected Online: March 2028
Location: Clinton, Iowa
200 MW
Expected Online: August 2026
Location: Franklin, Iowa
170 MW
Expected Online: May 2027
Location: Polk, Iowa
170 MW
Expected Online: May 2026
Location: Polk, Iowa
100 MW
Expected Online: December 2022
Location: Henry, Iowa
100 MW
Expected Online: June 2025
Location: Linn, Iowa
170 MW
Expected Online: May 2027
Location: Polk, Iowa
100 MW
Expected Online: June 2027
Location: Marshall, Iowa
100 MW
Expected Online: June 2027
Location: Cerro Gordo, Iowa
100 MW
Expected Online: June 2027
Location: Dubuque, Iowa
200 MW
Expected Online: September 2027
Location: Mahaska, Iowa
300 MW
Expected Online: October 2027
Location: Linn, Iowa
200 MW
Expected Online: March 2028
Location: Clinton, Iowa
Cleanview