Explore the largest solar farms expected to come online in Illinois and see all proposed solar projects on a map.
Last updated: June 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 June 2026, there are 303 solar farms in development in Illinois, according to Cleanview's project tracker. Their total planned capacity is 42,348 MW. See also: operating solar farms in Illinois→
Planned Projects
303
Planned Capacity
42,348 MW
Unique Developers
40
Map of planned solar farms in Illinois. Marker size reflects planned capacity.
1,200 MW
Expected Online: December 2029
Location: Lee, Illinois
Developer: Hexagon Energy
1,200 MW
Expected Online: December 2025
Location: Lee, Illinois
1,200 MW
Expected Online: TBD
Location: Lee, Illinois
1,000 MW
Expected Online: December 2025
Location: Lee, Illinois
1,000 MW
Expected Online: TBD
Location: Lee, Illinois
800 MW
Expected Online: December 2024
Location: Lee, Illinois
800 MW
Expected Online: TBD
Location: Lee, Illinois
600 MW
Expected Online: March 2031
Location: Lee, Illinois
Developer: Hexagon Energy
593 MW
Expected Online: March 2024
Location: Macoupin County,Morgan County,Sangamon County, Illinois
Developer: Swift Current Energy
150 MW
Expected Online: July 2026
Location: Sangamon, Illinois
5 MW
Expected Online: July 2026
Location: Kankakee, Illinois
Developer: Generate Capital
5 MW
Expected Online: July 2026
Location: Kane, Illinois
5 MW
Expected Online: July 2026
Location: Macoupin, Illinois
5 MW
Expected Online: July 2026
Location: Jackson, Illinois
5 MW
Expected Online: July 2026
Location: Williamson, Illinois
5 MW
Expected Online: July 2026
Location: Williamson, Illinois
5 MW
Expected Online: July 2026
Location: Bond, Illinois
5 MW
Expected Online: July 2026
Location: McHenry, Illinois
Developer: Generate Capital
Cleanview