All industries › States › Illinois
Illinois · 3 industries
Solar, battery storage and data center projects in Illinois
274 utility solar, 137 battery storage and 28 data center projects are in development in Illinois, 42 of them under construction, with 461 already operating. 38 counties with 5 or more have a page of their own. Who is building each one, and who to call, is in the app.
By industry
Illinois, industry by industry.
Breaking ground next
Next to start work in Illinois.
Each industry’s three projects in Illinois most likely to start work next.
Utility solar
- Panther Solar B912Perry CountyPre-construction · 200 MW · start Sep 2026, permit on fileBuilder: in the app
- Heritage Prairie Solar LLCKankakee CountyPre-construction · 300 MW · est. 2027 Q1Builder: in the app
- Broomstick Solar Energy Centergy CenterChristian CountyFinanced · 210 MW · est. 2027 Q2Builder: not yet named
Battery storage
- Twin Groves Storage IMcLean CountyFinanced · 248 MW · est. 2027 Q1Builder: not yet named
- Aurora Battery StorageWill CountyQueued · 1,056 MW · est. 2027 Q2Builder: not yet named
- Unnamed 1,200 MW storage projectLee CountyQueued · 1,200 MW · est. 2026 Q4Builder: not yet named
Data centers
- CyrusOne Sangamon CountyPre-construction · start Oct 2026, permit on fileBuilder: in the app
- Damac Digital Pontoon BeachMadison CountyPre-construction · start Aug 2026, permit on fileBuilder: not yet named
- 901 Busse RoadCook CountyPre-construction · start Jan 2026, permit on fileBuilder: not yet named
By county
Illinois, county by county.
Counties with 5 or more projects in development, most first. Each has a page with every project in development there.
| County | Utility solar | Battery storage | Data centers | In development | Under construction |
|---|---|---|---|---|---|
| Lee County | 10 | 11 | — | 21 | 0 |
| DeKalb County | 17 | 2 | — | 19 | 0 |
| Cook County | 1 | 7 | 8 | 16 | 6 |
| McHenry County | 7 | 9 | — | 16 | 0 |
| McLean County | 8 | 6 | — | 14 | 0 |
| Kankakee County | 13 | — | — | 13 | 0 |
| Will County | 5 | 8 | — | 13 | 0 |
| Ogle County | 9 | 3 | — | 12 | 0 |
| Perry County | 8 | 4 | — | 12 | 3 |
| Christian County | 9 | 2 | — | 11 | 1 |
| Livingston County | 9 | 2 | — | 11 | 0 |
| Adams County | 5 | 5 | — | 10 | 0 |
| Fayette County | 8 | 2 | — | 10 | 2 |
| Kendall County | 6 | 3 | 1 | 10 | 0 |
| Stephenson County | 6 | 4 | — | 10 | 0 |
| Tazewell County | 5 | 5 | — | 10 | 1 |
| Clark County | 5 | 3 | — | 8 | 2 |
| DuPage County | — | — | 8 | 8 | 7 |
| Grundy County | 6 | 2 | — | 8 | 0 |
| Saline County | 8 | — | — | 8 | 1 |
| Sangamon County | 5 | 3 | — | 8 | 0 |
| LaSalle County | 4 | 3 | — | 7 | 0 |
| Macon County | 2 | 3 | 2 | 7 | 2 |
| Rock Island County | 3 | 4 | — | 7 | 0 |
| Winnebago County | 4 | 3 | — | 7 | 0 |
| Ford County | 6 | — | — | 6 | 0 |
| Johnson County | 5 | 1 | — | 6 | 1 |
| Lake County | 1 | 4 | 1 | 6 | 1 |
| Champaign County | 2 | 3 | — | 5 | 0 |
| Clay County | 3 | 2 | — | 5 | 0 |
| Edgar County | 3 | 2 | — | 5 | 0 |
| Fulton County | 4 | 1 | — | 5 | 0 |
| Jasper County | 5 | — | — | 5 | 0 |
| Logan County | 4 | 1 | — | 5 | 0 |
| Pulaski County | 3 | 2 | — | 5 | 1 |
| Shelby County | 3 | 2 | — | 5 | 0 |
| St Clair County | 3 | 2 | — | 5 | 1 |
| Washington County | 3 | 2 | — | 5 | 1 |
Fewer than 5 in development: Marion County (4), Montgomery County (4), Putnam County (4), Scott County (4), Stark County (4), Vermilion County (4), Whiteside County (4), Iroquois County (3), Jefferson County (3), Kane County (3), Knox County (3), Mason County (3), Peoria County (3), White County (3), Boone County (2), Clinton County (2), Coles County (2), Cumberland County (2), De Witt County (2), Edwards County (2), Franklin County (2), Hamilton County (2), Henry County (2), Jackson County (2), Madison County (2), Mercer County (2), Williamson County (2), Woodford County (2), Bond County (1), Crawford County (1), DeWitt County (1), Effingham County (1), Macoupin County (1), Menard County (1), Piatt County (1), Pike County (1), Randolph County (1), Wabash County (1).
Questions
Illinois, in short.
How many construction projects are in development in Illinois?
439 solar, battery storage and data center projects are in development in Illinois: 274 utility solar, 137 battery storage and 28 data center projects. 42 of them are under construction, and 461 more are already operating.
Which counties in Illinois have the most projects in development?
Lee County (21), DeKalb County (19), Cook County (16), McHenry County (16) and McLean County (14).
Where does the Illinois data come from?
From public records read daily for each industry (17 sources for utility solar, 11 sources for data center and 13 sources for battery storage): grid interconnection queues, construction permits, county records, state siting and procurement filings, and satellite imagery. Each value links to its record.
Pricing
Free to explore. Subscribe for the full record.
Usage-based, no seats, cancel any time. Pay for what your team and your assistant actually use.
Explore
Free
- The map, by state and industry
- The next projects to break ground, per state
- How it works
Team
From $750 per month2,000 records included, then $0.25 per record. Month to month.
- Every project in development, with timelines
- Builders, developers and trade subcontractors
- Work contacts
- App, API and MCP server
Enterprise
Custom
- Everything in Team
- Watchlists and alerts
- New states and industries on request
- Dedicated support
Request access
Tell us what you sell. We set you up the same day.
Email us your name, company and what you sell. We answer within one working day.