Explore the largest battery storage projects expected to come online in Iowa and see all proposed battery storage projects on a map.
Last updated: October 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 October 2026, there are 15 battery storage projects in development in Iowa, according to Cleanview's project tracker. Their total planned capacity is 2,170 MW. See also: operating battery storage projects in Iowa→
Planned Projects
15
Planned Capacity
2,170 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
150 MW
Expected Online: June 2028
Location: Story, 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