Data update
Published on Mar 08, 2025 by Derek Eder
Congratulations to Illinois for energizing over 4 gigawatts of solar! As of Mar 8, 2025, 4,235 megawatts (MW) of solar have been energized in the State of Illinois.
One large utility-scale solar project came online in January 2024: Eldorado Solar I in Saline County (150 MW).
| Category | Feb 12, 2025 | Mar 8, 2025 | Change |
|---|---|---|---|
| Energized | 3,978 MW | 4,235 MW | +257 MW |
| Planned | 4,890 MW | 4,683 MW | -207 MW |
Data from our 3 primary sources are updated at different intervals, so the above data is valid as of the following the dates:
- Illinois Adjustable Block Program (ABP) March 2025
- Illinois Solar for All (ILSFA) March 2025
- US EIA-860M (Utility scale projects) January 2024