How many planned battery storage projects are in MISO?

There are 285 planned battery storage projects in MISO.

What is the total planned battery storage capacity in MISO?

The total planned battery storage capacity in MISO is 48,049 MW.

What is the largest planned battery storage project in MISO?

The largest planned battery storage project in MISO is Stein - Rapson 345 kV line at 500 MW, located in Huron, Michigan.

How many developers have planned battery storage projects in MISO?

There are 14 unique developers with planned battery storage projects in MISO.

Planned Battery Storage Projects in MISO

Explore the largest battery storage projects expected to come online in MISO and see all proposed battery storage projects on a map.

Last updated: June 2026

On this page, you can explore our database of planned battery storage projects in MISO. Each month, we track projects in development and update our list of the largest battery storage projects expected to come online in MISO.

As of June 2026, there are 285 battery storage projects in development in MISO, according to Cleanview's project tracker. Their total planned capacity is 48,049 MW. See also: operating battery storage projects in MISO→

Planned Projects

285

Planned Capacity

48,049 MW

Unique Developers

Largest Planned Battery Storage Projects in MISO

Stein - Rapson 345 kV line

500 MW

Expected Online: April 2025

Location: Huron, Michigan

Cedar Mountain - Lyon County 345.0kV

500 MW

Expected Online: September 2028

Location: Redwood, Minnesota

ADAMS

500 MW

Expected Online: June 2030

Location: Mower, Minnesota

Other_

500 MW

Expected Online: June 2030

Location: Jefferson, Arkansas

SHERBURNE CO

500 MW

Expected Online: December 2028

Location: Meeker, Minnesota

Columbia - Rockdale 345.0kV

400 MW

Expected Online: December 2028

Location: Columbia, Wisconsin

Reynolds 345 kV Substation

400 MW

Expected Online: March 2026

Location: White, Indiana

MAJESTIC - ONEIDA 345.0kV

400 MW

Expected Online: April 2028

Location: Eaton, Michigan

PERE MARQUETTE

400 MW

Expected Online: June 2030

Location: Mason, Michigan

Battery Storage Projects Coming Online Soon in MISO

Quinn

200 MW

Expected Online: August 2026

Location: Franklin, Iowa

Murphy to Nelson Road 345 kV

120 MW

Expected Online: August 2026

Location: Saginaw, Michigan

4HULL - 4HERLEMAN 138.0kV

50 MW

Expected Online: August 2026

Location: Adams, Illinois

South Valparaiso 138 kV Substation

50 MW

Expected Online: August 2026

Location: Porter, Indiana