How many planned solar farms are in Illinois?

There are 282 planned solar farms in Illinois.

What is the total planned solar capacity in Illinois?

The total planned solar capacity in Illinois is 39,210 MW.

What is the largest planned solar farm in Illinois?

The largest planned solar farm in Illinois is Steward Creek Solar Phase 1 at 1,200 MW, located in Lee, Illinois.

How many developers have planned solar farms in Illinois?

There are 43 unique developers with planned solar farms in Illinois.

Planned Solar Farms in Illinois

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

Last updated: August 2026

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

As of August 2026, there are 282 solar farms in development in Illinois, according to Cleanview's project tracker. Their total planned capacity is 39,210 MW. See also: operating solar farms in Illinois→

Planned Projects

282

Planned Capacity

39,210 MW

Unique Developers

Planned Illinois Solar Map

Map of planned solar farms in Illinois. Marker size reflects planned capacity.

Largest Planned Solar Farms in Illinois

Steward Creek Solar Phase 1

1,200 MW

Expected Online: December 2029

Location: Lee, Illinois

Developer: Hexagon Energy

Nelson-Electric Junction 345 kV

1,200 MW

Expected Online: December 2025

Location: Lee, Illinois

Nelson-Electric Junction 345 kV

1,200 MW

Expected Online: TBD

Location: Lee, Illinois

Nelson-Electric Junction 345 kV

1,000 MW

Expected Online: December 2025

Location: Lee, Illinois

Nelson-Electric Junction 345 kV

1,000 MW

Expected Online: TBD

Location: Lee, Illinois

Ipava-Maple Ridge 345kV (4573)

821 MW

Expected Online: October 2024

Location: Fulton, Illinois

Nelson - Electric Junction 345 kV

800 MW

Expected Online: December 2024

Location: Lee, Illinois

Nelson - Electric Junction 345 kV

800 MW

Expected Online: TBD

Location: Lee, Illinois

Steward Creek Solar

600 MW

Expected Online: March 2031

Location: Lee, Illinois

Developer: Hexagon Energy