Explore the largest solar farms in Illinois and see all the utility-scale solar projects in Illinois on a map.
Last updated: June 2026
On this page, you can explore our real-time database of solar farms in Illinois. Each month, we track solar projects and update our list of the largest solar farms in Illinois.
As of June 2026, there are 357 utility-scale solar farms in Illinois, according to Cleanview's project tracker. Their total operating capacity is 4,660 MW. In 2025, there were 117 solar farms built in Illinois. See also: planned solar farms in Illinois→
Total Solar Farms
357
Total Capacity
4,660 MW
Built in 2025
117
Map of solar farms in Illinois. Marker size reflects capacity — only facilities with reported capacity data are shown.
593 MW
Year Operational: November 2024
Location: Sangamon, Illinois
Developer: Swift Current Energy
274 MW
Year Operational: December 2025
Location: Cumberland, Illinois
Developer: RWE
250 MW
Year Operational: November 2024
Location: Clay, Illinois
Developer: Invenergy
200 MW
Year Operational: November 2021
Location: Coles, Illinois
165 MW
Year Operational: December 2023
Location: Clark, Illinois
150 MW
Year Operational: January 2025
Location: Saline, Illinois
Developer: Sol Systems
150 MW
Year Operational: December 2024
Location: White, Illinois
Developer: Ameren Missouri
150 MW
Year Operational: December 2024
Location: Cass, Illinois
Developer: Ameren Missouri
150 MW
Year Operational: November 2025
Location: Fulton, Illinois
Developer: EDP Renewables
99 MW
Year Operational: April 2026
Location: Coles, Illinois
Developer: Tyr Energy
99 MW
Year Operational: April 2026
Location: Marion, Illinois
Developer: TED Renewables
5 MW
Year Operational: April 2026
Location: Macoupin, Illinois
Developer: Green Key Solar
3 MW
Year Operational: April 2026
Location: Macoupin, Illinois
Developer: Green Key Solar
2 MW
Year Operational: April 2026
Location: Cook, Illinois
Developer: Catalyze
52 MW
Year Operational: March 2026
Location: Jasper, Illinois
Developer: Vistra
5 MW
Year Operational: March 2026
Location: Macoupin, Illinois
Developer: BayWa r.e.
135 MW
Year Operational: January 2026
Location: Champaign, Illinois
Developer: BayWa r.e.
4 MW
Year Operational: January 2026
Location: Cass, Illinois
Developer: US Solar
Cleanview