How many planned battery storage projects are in Illinois?

There are 133 planned battery storage projects in Illinois.

What is the total planned battery storage capacity in Illinois?

The total planned battery storage capacity in Illinois is 35,085 MW.

What is the largest planned battery storage project in Illinois?

The largest planned battery storage project in Illinois is Aurora E.C. 138kV at 1,206 MW, located in Illinois.

How many developers have planned battery storage projects in Illinois?

There are 8 unique developers with planned battery storage projects in Illinois.

Planned Battery Storage Projects in Illinois

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

Last updated: May 2026

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

As of May 2026, there are 133 battery storage projects in development in Illinois, according to Cleanview's project tracker. Their total planned capacity is 35,085 MW. See also: operating battery storage projects in Illinois→

Planned Projects

133

Planned Capacity

35,085 MW

Unique Developers

Planned Illinois Battery Storage Map

Map of planned battery storage projects in Illinois. Marker size reflects planned capacity.

Largest Planned Battery Storage Projects in Illinois

Aurora E.C. 138kV

1,206 MW

Expected Online: June 2025

Location: Illinois

Aurora E.C. 138kV

1,206 MW

Expected Online: TBD

Location: Illinois

Nelson-Electric Junction 345 kV

1,200 MW

Expected Online: TBD

Location: Lee, Illinois

Nelson-Electric Junction 345kV

1,200 MW

Expected Online: TBD

Location: Lee, Illinois

Nelson-Electric Junction 345kV

1,200 MW

Expected Online: TBD

Location: Lee, Illinois

Zion Energy Center - BESS

635 MW

Expected Online: August 2027

Location: Lake, Illinois

Developer: Calpine

Silver Lake 345 kV

600 MW

Expected Online: November 2024

Location: McHenry, Illinois

Nelson-Electric Junction 345 kV

600 MW

Expected Online: November 2023

Location: Lee, Illinois

Nelson-Electric Junction 345 kV

600 MW

Expected Online: TBD

Location: Lee, Illinois

Battery Storage Projects Coming Online Soon in Illinois

Redhawk 138 kV - MTEP Project (17976)

200 MW

Expected Online: June 2026

Location: Montgomery, Illinois

Putnam

110 MW

Expected Online: June 2026

Location: Putnam, Illinois

Aster 138kV Station

100 MW

Expected Online: June 2026

Location: Perry, Illinois

Ramsey

100 MW

Expected Online: June 2026

Location: Fayette, Illinois

SUB 39 - CORDOVA 345.0kV

80 MW

Expected Online: June 2026

Location: Rock Island, Illinois

4HULL - 4HERLEMAN 138.0kV

50 MW

Expected Online: August 2026

Location: Adams, Illinois

4WLTNVL TP 138 kV

200 MW

Expected Online: October 2026

Location: Jefferson, Illinois

7JORD - 7CMDR 345.0kV

143 MW

Expected Online: October 2026

Location: Perry, Illinois

Xenia

200 MW

Expected Online: November 2026

Location: Clay, Illinois

Frequently Asked Questions

How many planned battery storage projects are in Illinois?: There are 133 planned battery storage projects in Illinois.
What is the total planned battery storage capacity in Illinois?: The total planned battery storage capacity in Illinois is 35,085 MW.
What is the largest planned battery storage project in Illinois?: The largest planned battery storage project in Illinois is Aurora E.C. 138kV at 1,206 MW, located in Illinois.
How many developers have planned battery storage projects in Illinois?: There are 8 unique developers with planned battery storage projects in Illinois.

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