Data update
Published on Nov 11, 2025 by Derek Eder
In the last 3 months, an additional 144 megawatts (MW) of solar across 4,116 projects have been energized in the State of Illinois, bringing the total to 4,944 MW. We look to be on track to have over 5 Gigawatts of solar energized by the end of 2025.
| Category | Aug 20, 2025 | Nov 11, 2025 | Change |
|---|---|---|---|
| Energized | 4,800 MW | 4,944 MW | +144 MW |
| Planned | 5,067 MW | 5,318 MW | +251 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) Nov 2025
- Illinois Solar for All (ILSFA) Nov 2025
- US EIA-860M (Utility scale projects) Sep 2025