Updates

Keep track of recent changes we have made to Illinois Solar Map.

May 08, 2025 - Data update, hotlinks, and new map buckets

As of May 8, 2025, an additional 327 megawatts (MW) of solar have been energized in the State of Illinois, bringing the total to 4,648 MW. 83,542 solar projects have been energized in our state.

Apr 11, 2025 - Data update

As of Apr 11, 2025, an additional 86 megawatts (MW) of solar have been energized in the State of Illinois, bringing the total to 4,321 MW.

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).

Feb 12, 2025 - Data update

As of Feb 12, 2025, an additional 546 megawatts (MW) of solar have been energized in the State of Illinois. One large utility-scale solar project came online in December 2024: Hickory Solar in Jersey County (110 MW).

Jan 03, 2025 - Data update

As of jan 3, 2025, an additional 833 megawatts (MW) of solar have been energized in the State of Illinois. This increase is attributed to two very large utility-scale solar projects coming online in November 2024: the 592MW Double Black Diamond in Sangamon County and 140MW Wolf Run Solar in Morgan County.

Dec 02, 2024 - Data update

As of Dec 2, 2024, an additional 100 megawatts (MW) of solar have been energized in the State of Illinois. An additional 498 megawatts have been added to the planned queue.

Nov 02, 2024 - Data update

As of Nov 2, 2024, an additional 26 megawatts (MW) of solar have been energized in the State of Illinois. An additional 505 megawatts have been added to the planned queue.

Sep 27, 2024 - Top 10 largest solar projects

Illinois Solar Map is now showing the top 10 energized and top 10 planned solar projects in Illinois by megawatt on the Reference Tables page.

Sep 20, 2024 - Data update

As of Sept 20, 2024, an additional 136 megawatts (MW) of solar have been energized in the State of Illinois. An additional 393 megawatts have been added to the planned queue.

May 29, 2024 - Planned solar projects

Illinois Solar Map is now planned solar projects, in addition to energized projects.