Illinois Data Center Permits Tracker
Illinois has 1 data center and substation permit on record, 47,727 MW of generation and storage requested in the interconnection queue and 5,137 MW of generation planned within 36 months. Every row below links to its primary source.
Last checked Sep 18, 2026
Where the activity is
Ranked by row count. Counts are never mixed with the MW figures above.
Permits in Illinois
1 building and land-use permit tracked in Illinois.
| Date | Category | Address | Applicant | Source |
|---|---|---|---|---|
| Sep 16, 2026 | Data center$151,112,046 | 400 S LA SALLE STCity of Chicago building permits | LEGACY GI TC 400 LASALLE LLC |
Interconnection queue in Illinois
47,727 MW requested across 146 active generation and storage positions. Withdrawn and in-service rows are left out, matching the national page.
| ISO | Project | Fuel | MW | Status | Source |
|---|---|---|---|---|---|
| PJM | Braidwood 345 kV AH1-698Will County | Nuclear | 2,584 MW | Active | |
| PJM | Byron 345 kV AH1-702Ogle County | Nuclear | 2,530 MW | Active | |
| PJM | Lasalle 345 kV AH1-714Lasalle County | Nuclear | 1,360 MW | Active | |
| PJM | Jackson GenerationWill County | Natural gas | 1,261 MW | Partially in service - under construction | |
| PJM | Aurora E.C. 138kV AH1-563N/A County | Battery storage | 1,206 MW | Active | |
| PJM | Nelson-Electric Junction 345 kV AH1-151Lee County | Solar | 1,200 MW | Active | |
| PJM | Aurora Battery StorageWill County | Battery storage | 1,056 MW | Suspended | |
| PJM | Nelson-Electric Junction 345 kV AH1-150Lee County | Solar | 1,000 MW | Active | |
| PJM | Heritage Prairie WindKankakee County | Onshore wind | 850 MW | Under construction | |
| MISO | Ipava-Maple Ridge 345kV (4573)AMEREN ILLINOISFulton County | Solar | 821 MW | Active; not started | |
| PJM | Nelson - Electric Junction 345 kV AH1-044Lee County | Solar | 800 MW | Active | |
| PJM | Zion Energy Center - BESSLake County | Battery storage | 635 MW | Engineering and procurement | |
| PJM | Steward Creek SolarLee County | Solar | 600 MW | Engineering and procurement | |
| PJM | Nelson-Electric Junction 345 kV AG2-660Lee County | Battery storage | 600 MW | Active | |
| PJM | Nelson-Lee County 345 kV II AF2-182Lee County | Solar | 500 MW | Engineering and procurement | |
| PJM | Bright Stalk Generating FacilityMcLean County | Solar | 500 MW | Engineering and procurement | |
| MISO | Aster to CommodoreAMEREN ILLINOISPerry County | Solar | 500 MW | Pending transfer; not started | |
| MISO | Other_Washington County | Other hybrids | 500 MW | Active; not started | |
| MISO | 7COFFEEN - 7PANA 345.0kVChristian County | Other hybrids | 500 MW | Active; not started | |
| MISO | 08GIBSON (PSI) - 7ALBION 345.0kVAMEREN ILLINOISWabash County | Other hybrids | 500 MW | Pending revision approval; not started | |
| MISO | 7FARGO - 7SANDBURG 345.0kVAMEREN TRANSMISSION COMPANY OF ILLINOISPeoria County | Onshore wind | 500 MW | Active | |
| PJM | Panther Grove 2Woodford County | Onshore wind | 400 MW | Under construction | |
| PJM | Panther Grove WindWoodford County | Onshore wind | 400 MW | Under construction | |
| PJM | Steward Creek SolarLee County | Solar | 400 MW | Engineering and procurement | |
| PJM | Top Crop Generating FacilityLasalle County | Battery storage | 400 MW | Engineering and procurement | |
| PJM | Silver Lake 345 kV AG2-545McHenry County | Battery storage | 400 MW | Active | |
| MISO | Gilman - Watseka 138kVIroquois County | Other hybrids | 400 MW | Active; not started | |
| PJM | Nelson 345 kV AH1-718Lee County | Natural gas | 391 MW | Active | |
| PJM | Panther Grove WindWoodford County | Onshore wind | 350 MW | Under construction | |
| PJM | Bright Stalk Generating FacilityMcLean County | Onshore wind | 350 MW | Engineering and procurement | |
| PJM | Top Crop Generating FacilityLasalle County | Battery storage | 350 MW | Engineering and procurement | |
| MISO | Ipava 138kVAMEREN TRANSMISSION COMPANY OF ILLINOISFulton County | Other hybrids | 350 MW | Active; not started | |
| MISO | NeogaAMEREN ILLINOISShelby County | Onshore wind | 350 MW | Active | |
| MISO | 7FARGO - 7SANDBURG 345.0kVAMEREN TRANSMISSION COMPANY OF ILLINOISPeoria County | Onshore wind | 350 MW | Active | |
| MISO | 7MEREDOSIA - 7TURNER 345.0kVAMEREN TRANSMISSION COMPANY OF ILLINOISScott County | Solar | 343 MW | Active | |
| MISO | Other_AMEREN ILLINOISMcLean County | Onshore wind | 340 MW | Active | |
| PJM | Rockford II 138 kV AH1-564Winnebago County | Battery storage | 330 MW | Active | |
| PJM | Black Diamond SolarChristian County | Battery storage | 329 MW | Engineering and procurement | |
| PJM | University Park 138 kV AH1-567Will County | Natural gas | 328 MW | Active | |
| MISO | 4PURO - 4HAVANA3 138.0kVMason County | Solar | 320 MW | Active; not started | |
| MISO | MORO 345 kV SubstationAMEREN ILLINOISMacoupin County | Onshore wind | 305 MW | Active | |
| PJM | Panther Grove 2Woodford County | Onshore wind | 300 MW | Under construction | |
| PJM | Heritage Prairie SolarKankakee County | Solar | 300 MW | Engineering and procurement | |
| PJM | Steward Creek SolarLee County | Solar | 300 MW | Engineering and procurement | |
| PJM | Pleasant Grove SolarMcHenry County | Solar | 300 MW | Engineering and procurement | |
| PJM | Sugar Grove-Waterman 138kV AG1-118DeKalb County | Solar | 300 MW | Engineering and procurement | |
| PJM | Blue Mound 345 kV AG1-374McLean County | Solar | 300 MW | Pending termination | |
| PJM | Powerton 345 kV AG2-363Tazewell County | Solar | 300 MW | Active | |
| MISO | 7ARLAND - 7FARADAY 345.0kVAMEREN ILLINOISColes County | Other hybrids | 300 MW | Active; not started | |
| MISO | 7CLINTON - 7BROKAW 345.0kVAMEREN ILLINOISPeoria County | Battery storage | 300 MW | Active; not started | |
| MISO | SUB 39 - CORDOVA 345.0kVMIDAMERICAN ENERGY CO. MECWhiteside County | Solar | 300 MW | Active; not started | |
| MISO | West Frankfort East 345 kV (7E W FKFT)AMEREN ILLINOISFranklin County | Battery storage | 300 MW | Active; not started | |
| MISO | 7FARGO - 7SANDBURG 345.0kVStark County | Other hybrids | 300 MW | Active; not started | |
| MISO | Bloomington BrokawAMEREN ILLINOISPeoria County | Battery storage | 300 MW | Active; not started | |
| MISO | Other_AMEREN ILLINOISFord County | Solar | 300 MW | Active | |
| MISO | OreanaAMEREN ILLINOISMacon County | Battery storage | 300 MW | Active | |
| MISO | SUB 47MIDAMERICAN ENERGY CO. MECRock Island County | Battery storage | 300 MW | Active | |
| MISO | RisingAMEREN TRANSMISSION COMPANY OF ILLINOISChampaign County | Battery storage | 300 MW | Active | |
| MISO | 7CLINTON - 7BROKAW 345.0kVAMEREN ILLINOISMcLean County | Onshore wind | 300 MW | Active | |
| MISO | SUB 39 - OAK GROVE 345.0kVMIDAMERICAN ENERGY CO. MECHenry County | Onshore wind | 300 MW | Active | |
| MISO | Other_AMEREN TRANSMISSION COMPANY OF ILLINOISIroquois County | Onshore wind | 300 MW | Active | |
| MISO | TazewellAMEREN ILLINOISTazewell County | Battery storage | 300 MW | Active | |
| PJM | Black Diamond SolarChristian County | Solar | 299 MW | Engineering and procurement | |
| PJM | Lasalle - Plano 345 kV AG2-453Kendall County | Solar | 280 MW | Active | |
| PJM | Broomstick Solar Energy Centergy CenterChristian County | Solar | 260 MW | Suspended | |
| PJM | Cordova 345 kV AG1-553Rock Island County | Solar | 260 MW | Engineering and procurement | |
| PJM | Cordova 345 kV AG1-462Whiteside County | Solar | 255 MW | Engineering and procurement | |
| PJM | Plano Skies Energy CenterKendall County | Solar | 250 MW | Engineering and procurement | |
| MISO | 4HUTSONVL - 4HEATH 138.0kVAMEREN ILLINOISCrawford County | Solar | 250 MW | Active | |
| MISO | 7AUSTIN - 7PANA 345.0kVAMEREN TRANSMISSION COMPANY OF ILLINOISChristian County | Solar | 250 MW | Active | |
| MISO | Other_AMEREN ILLINOISFord County | Onshore wind | 250 MW | Active | |
| MISO | Radbourn 345kV (LRTP-41)AMEREN ILLINOISMcLean County | Battery storage | 250 MW | Active | |
| MISO | Pana 138 kVAMEREN TRANSMISSION COMPANY OF ILLINOISChristian County | Battery storage | 250 MW | Active | |
| PJM | Twin Groves Storage IMcLean County | Battery storage | 248 MW | Engineering and procurement | |
| PJM | Twin Groves Storage IIMcLean County | Battery storage | 248 MW | Engineering and procurement | |
| MISO | 7MEREDOSIA - 7TURNER 345.0kVAMEREN TRANSMISSION COMPANY OF ILLINOISScott County | Solar | 245 MW | Active | |
| MISO | 7MEREDOSIA - 7TURNER 345.0kVAMEREN TRANSMISSION COMPANY OF ILLINOISScott County | Solar | 245 MW | Active | |
| MISO | 08GIBSON (PSI) - 7ALBION 345.0kVAMEREN ILLINOISWabash County | Onshore wind | 235 MW | Active | |
| MISO | ShockeyMenard County | Solar | 220 MW | Pending revision approval | |
| PJM | Shady Oaks Wind Power ProjectLee County | Onshore wind | 215 MW | Partially in service - under construction | |
| PJM | Broomstick Solar Energy Centergy CenterChristian County | Solar | 210 MW | Suspended | |
| PJM | Lower Crossing WindKankakee County | Onshore wind | 200 MW | Suspended | |
| PJM | Blooming Grove Solar Energy CenterLivingston County | Solar | 200 MW | Engineering and procurement | |
| PJM | Rolling Farms Wind ProjectChristian County | Onshore wind | 200 MW | Engineering and procurement | |
| PJM | South Dixon SolarLee County | Solar | 200 MW | Engineering and procurement | |
| PJM | Burnham 138kV AF2-441Cook County | Battery storage | 200 MW | Engineering and procurement | |
| PJM | Dana 345 kV AG2-061Lasalle County | Battery storage | 200 MW | Active | |
| PJM | Powerton 345 kV AG2-364Tazewell County | Solar | 200 MW | Active | |
| PJM | Silver Lake 345 kV AG2-544McHenry County | Battery storage | 200 MW | Active | |
| MISO | 4BUREAU - 4EKEWANEE N 138.0kVAMEREN ILLINOISStark County | Other hybrids | 200 MW | Active | |
| MISO | 7FARADAY - 7PANA 345.0kVAMEREN TRANSMISSION COMPANY OF ILLINOISShelby County | Battery storage | 200 MW | Active | |
| MISO | 7KANSAS - 08SUGCRK 345.0kVAMEREN TRANSMISSION COMPANY OF ILLINOISEdgar County | Battery storage | 200 MW | Active | |
| MISO | 7KANSAS - 08SUGCRK 345.0kVAMEREN TRANSMISSION COMPANY OF ILLINOISEdgar County | Solar | 200 MW | Active | |
| MISO | Other_AMEREN ILLINOISPulaski County | Battery storage | 200 MW | Active | |
| MISO | Canton SouthAMEREN ILLINOISFulton County | Battery storage | 200 MW | Active | |
| MISO | South BellevilleAMEREN ILLINOISMarion County | Battery storage | 200 MW | Active | |
| MISO | 7ASTER - 7CMDR 345.0kVAMEREN TRANSMISSION COMPANY OF ILLINOISPerry County | Battery storage | 200 MW | Active | |
| MISO | 7JORD - 7CMDR 345.0kVAMEREN ILLINOISPerry County | Battery storage | 200 MW | Active | |
| PJM | Gipper Wind FarmWhiteside County | Onshore wind | 191 MW | Engineering and procurement | |
| PJM | Crego Rd 138 kV AG1-127DeKalb County | Solar | 190 MW | Engineering and procurement |
Showing the 100 largest of 146.
Planned generation in Illinois
5,137 MW across 143 EIA-860M generators scheduled to enter service within 36 months.
| Plant | Technology | MW | Planned | Status | Source |
|---|---|---|---|---|---|
| Illinois Generation LLCLivingston County | Onshore Wind Turbine | 616 MW | Apr 2028 | Regulatory approvals received. Not under construction | |
| Panther Grove 2Livingston County | Onshore Wind Turbine | 472 MW | Dec 2027 | Under construction, less than or equal to 50 percent complete | |
| Panther Grove Wind, LLCWoodford County | Onshore Wind Turbine | 423 MW | Dec 2026 | Under construction, less than or equal to 50 percent complete | |
| Pulaski SolarPulaski County | Solar Photovoltaic | 417 MW | Dec 2026 | Under construction, more than 50 percent complete | |
| Coles WindColes County | Onshore Wind Turbine | 300 MW | May 2027 | Under construction, less than or equal to 50 percent complete | |
| Heritage Prairie Solar LLCKankakee County | Solar Photovoltaic | 300 MW | Sep 2028 | Regulatory approvals received. Not under construction | |
| Prairie Oak SolarShelby County | Solar Photovoltaic | 250 MW | Sep 2027 | Planned for installation, but regulatory approvals not initiated | |
| Pike Creek WindLogan County | Onshore Wind Turbine | 202 MW | Dec 2027 | Planned for installation, but regulatory approvals not initiated | |
| Osagrove Flats WindLaSalle County | Onshore Wind Turbine | 150 MW | Dec 2026 | Under construction, less than or equal to 50 percent complete | |
| Meadow Springs Renewable Energy (Hybrid)White County | Batteries | 150 MW | Jun 2028 | Planned for installation, but regulatory approvals not initiated | |
| Meadow Springs Renewable Energy (Hybrid)White County | Solar Photovoltaic | 150 MW | Jun 2028 | Planned for installation, but regulatory approvals not initiated | |
| Casey Fork Solar, LLCJefferson County | Solar Photovoltaic | 150 MW | Oct 2026 | Construction complete, but not yet in commercial operation | |
| Bee Hollow Solar, LLCSt Clair County | Solar Photovoltaic | 150 MW | Nov 2026 | Under construction, less than or equal to 50 percent complete | |
| Allen Acres SolarLaSalle County | Solar Photovoltaic | 150 MW | May 2029 | Planned for installation, but regulatory approvals not initiated | |
| Austin Creek SolarAdams County | Solar Photovoltaic | 140 MW | Sep 2027 | Planned for installation, but regulatory approvals not initiated | |
| Flora SolarClay County | Solar Photovoltaic | 125 MW | Dec 2027 | Planned for installation, but regulatory approvals not initiated | |
| Great Plains Solar, LLCPerry County | Solar Photovoltaic | 100 MW | Dec 2026 | Under construction, more than 50 percent complete | |
| Switchgrass Plains Solar, LLCFayette County | Solar Photovoltaic | 100 MW | Dec 2026 | Under construction, more than 50 percent complete | |
| Red Maple LREDeKalb County | Solar Photovoltaic | 95 MW | Sep 2028 | Regulatory approvals pending. Not under construction | |
| Big Muddy SolarJackson County | Solar Photovoltaic | 95 MW | Oct 2026 | Under construction, more than 50 percent complete | |
| Ruby Solar, LLCClinton County | Solar Photovoltaic | 50 MW | Aug 2026 | Under construction, more than 50 percent complete | |
| Station SolarMercer County | Solar Photovoltaic | 40 MW | Aug 2027 | Under construction, less than or equal to 50 percent complete | |
| Two Blues Solar, LLCPerry County | Solar Photovoltaic | 40 MW | Jan 2027 | Under construction, more than 50 percent complete | |
| Blue Branch SolarJohnson County | Solar Photovoltaic | 36 MW | Jan 2027 | Under construction, less than or equal to 50 percent complete | |
| Snapdragon Solar, LLCPerry County | Solar Photovoltaic | 28 MW | Dec 2026 | Construction complete, but not yet in commercial operation | |
| PIKE SolarFayette County | Solar Photovoltaic | 18 MW | Nov 2026 | Under construction, less than or equal to 50 percent complete | |
| Cherry ValleyBoone County | Solar Photovoltaic | 12 MW | Dec 2027 | Under construction, less than or equal to 50 percent complete | |
| GillardGrundy County | Solar Photovoltaic | 5 MW | Sep 2026 | Under construction, less than or equal to 50 percent complete | |
| Cherry Solar 1Bureau County | Solar Photovoltaic | 5 MW | Aug 2026 | Construction complete, but not yet in commercial operation | |
| Bluestar Solar Project, LLCMontgomery County | Solar Photovoltaic | 5 MW | Aug 2026 | Under construction, less than or equal to 50 percent complete | |
| Horseshoe Solar Project, LLCMontgomery County | Solar Photovoltaic | 5 MW | Aug 2026 | Under construction, more than 50 percent complete | |
| Spillertown CSG 1 LLCWilliamson County | Solar Photovoltaic | 5 MW | Aug 2026 | Under construction, more than 50 percent complete | |
| AlliumLivingston County | Solar Photovoltaic | 5 MW | Aug 2026 | Under construction, more than 50 percent complete | |
| SolitudeLaSalle County | Solar Photovoltaic | 5 MW | Nov 2026 | Under construction, less than or equal to 50 percent complete | |
| VarnsenWinnebago County | Solar Photovoltaic | 5 MW | Jul 2027 | Regulatory approvals pending. Not under construction | |
| SV CSG East St LouisSt Clair County | Solar Photovoltaic | 5 MW | Dec 2026 | Under construction, less than or equal to 50 percent complete | |
| Washington Street Solar 1 LLCMclean County | Solar Photovoltaic | 5 MW | Oct 2026 | Under construction, less than or equal to 50 percent complete | |
| SV CSG Reeder SolarKnox County | Solar Photovoltaic | 5 MW | Apr 2027 | Under construction, less than or equal to 50 percent complete | |
| SV CSG Diel 1Richland County | Solar Photovoltaic | 5 MW | Oct 2026 | Under construction, more than 50 percent complete | |
| KA 340Kankakee County | Solar Photovoltaic | 5 MW | Oct 2026 | Under construction, more than 50 percent complete | |
| SV CSG Sun Trust SolarKane County | Solar Photovoltaic | 5 MW | Feb 2027 | Regulatory approvals received. Not under construction | |
| SV CSG Kingston Solar 1DeKalb County | Solar Photovoltaic | 5 MW | Nov 2026 | Under construction, less than or equal to 50 percent complete | |
| SV CSG Wilson School SolarKane County | Solar Photovoltaic | 5 MW | Apr 2027 | Regulatory approvals received. Not under construction | |
| SV CSG St Anne 1Kankakee County | Solar Photovoltaic | 5 MW | Jul 2027 | Regulatory approvals received. Not under construction | |
| SV CSG South RoxanaMadison County | Solar Photovoltaic | 5 MW | Sep 2027 | Regulatory approvals pending. Not under construction | |
| Madden Creek SolarPiatt County | Solar Photovoltaic | 5 MW | Apr 2027 | Regulatory approvals received. Not under construction | |
| Falconhead Solar, LLCWill County | Solar Photovoltaic | 5 MW | Oct 2026 | Under construction, less than or equal to 50 percent complete | |
| Spillertown CSG 2 LLCWilliamson County | Solar Photovoltaic | 5 MW | Sep 2026 | Under construction, more than 50 percent complete | |
| McCray Solar 1, LLCBond County | Solar Photovoltaic | 5 MW | Sep 2026 | Under construction, less than or equal to 50 percent complete | |
| Murphysboro 1Jackson County | Solar Photovoltaic | 5 MW | Mar 2027 | Regulatory approvals received. Not under construction | |
| USS Middle SolarGrundy County | Solar Photovoltaic | 5 MW | Dec 2026 | Under construction, less than or equal to 50 percent complete | |
| E 1300 Street Solar LLCHenry County | Solar Photovoltaic | 5 MW | Sep 2027 | Regulatory approvals pending. Not under construction | |
| SV CSG MantenoKankakee County | Batteries | 5 MW | Aug 2027 | Regulatory approvals received. Not under construction | |
| SV CSG MantenoKankakee County | Solar Photovoltaic | 5 MW | Aug 2027 | Regulatory approvals received. Not under construction | |
| SV CSG BloomingtonMcLean County | Batteries | 5 MW | Aug 2027 | Regulatory approvals received. Not under construction | |
| SV CSG BloomingtonMcLean County | Solar Photovoltaic | 5 MW | Aug 2027 | Regulatory approvals received. Not under construction | |
| Fast Ave Solar LLCTazewell County | Solar Photovoltaic | 5 MW | Dec 2026 | Under construction, less than or equal to 50 percent complete | |
| Harper Creek Solar, LLCJefferson County | Solar Photovoltaic | 5 MW | Dec 2026 | Under construction, less than or equal to 50 percent complete | |
| Willis Solar 1, LLC - (IL)Macoupin County | Solar Photovoltaic | 5 MW | Jan 2027 | Under construction, less than or equal to 50 percent complete | |
| Cincinnati CSG 1 LLCTazewell County | Solar Photovoltaic | 5 MW | Oct 2026 | Under construction, less than or equal to 50 percent complete | |
| Cincinnati CSG 2 LLCTazewell County | Solar Photovoltaic | 5 MW | Oct 2026 | Under construction, less than or equal to 50 percent complete | |
| Pivot Energy IL 70 LLCBoone County | Solar Photovoltaic | 5 MW | Jan 2027 | Under construction, more than 50 percent complete | |
| KieserMcLean County | Solar Photovoltaic | 5 MW | Sep 2026 | Under construction, more than 50 percent complete | |
| Allen CSGPeoria County | Solar Photovoltaic | 5 MW | Jan 2027 | Under construction, more than 50 percent complete | |
| NL IL 2700 EastLivingston County | Solar Photovoltaic | 5 MW | Nov 2026 | Construction complete, but not yet in commercial operation | |
| NL IL LakeLake County | Solar Photovoltaic | 5 MW | Dec 2026 | Construction complete, but not yet in commercial operation | |
| Pivot Energy IL 52McHenry County | Solar Photovoltaic | 5 MW | Nov 2026 | Under construction, more than 50 percent complete | |
| IL2 - W109Will County | Solar Photovoltaic | 5 MW | Sep 2026 | Construction complete, but not yet in commercial operation | |
| Arlington 1Bureau County | Solar Photovoltaic | 4 MW | Sep 2026 | Under construction, more than 50 percent complete | |
| Arlington 2Bureau County | Solar Photovoltaic | 4 MW | Sep 2026 | Under construction, more than 50 percent complete | |
| Gilman Solar LLCIroquois County | Solar Photovoltaic | 4 MW | Sep 2027 | Under construction, less than or equal to 50 percent complete | |
| Osman TrustMcHenry County | Solar Photovoltaic | 4 MW | Oct 2026 | Under construction, more than 50 percent complete | |
| ITT Cogen FacilityCook County | Natural Gas Internal Combustion Engine | 4 MW | Mar 2027 | Regulatory approvals received. Not under construction | |
| ITT Cogen FacilityCook County | Natural Gas Internal Combustion Engine | 4 MW | Mar 2027 | Regulatory approvals received. Not under construction | |
| Little CreekMcDonough County | Solar Photovoltaic | 4 MW | Oct 2026 | Under construction, more than 50 percent complete | |
| SV CSG NaplateLaSalle County | Solar Photovoltaic | 4 MW | Sep 2026 | Under construction, more than 50 percent complete | |
| SV CSG Angelly 1Saline County | Solar Photovoltaic | 4 MW | Nov 2026 | Under construction, more than 50 percent complete | |
| Copenhagen CtCook County | Solar Photovoltaic | 4 MW | Aug 2026 | Under construction, less than or equal to 50 percent complete | |
| SV CSG MahometChampaign County | Solar Photovoltaic | 4 MW | Sep 2027 | Regulatory approvals pending. Not under construction | |
| AC IL - Lockport WestWill County | Solar Photovoltaic | 3 MW | Aug 2026 | Construction complete, but not yet in commercial operation | |
| Norris City 2White County | Solar Photovoltaic | 3 MW | Mar 2027 | Regulatory approvals received. Not under construction | |
| AC IL - Lockport EastWill County | Solar Photovoltaic | 3 MW | Aug 2026 | Construction complete, but not yet in commercial operation | |
| Pivot Energy IL 55 LLCMcHenry County | Solar Photovoltaic | 3 MW | Oct 2026 | Under construction, more than 50 percent complete | |
| Melrose Park 2-SLCHI547Cook County | Solar Photovoltaic | 3 MW | Oct 2026 | Under construction, less than or equal to 50 percent complete | |
| SV CSG Ottawa 1LaSalle County | Solar Photovoltaic | 3 MW | Sep 2027 | Regulatory approvals pending. Not under construction | |
| Menard 1Menard County | Solar Photovoltaic | 3 MW | Sep 2027 | Under construction, less than or equal to 50 percent complete | |
| Pivot Energy IL 55b LLCMcHenry County | Solar Photovoltaic | 3 MW | Oct 2026 | Under construction, more than 50 percent complete | |
| Marseilles Lock and Dam HydroLaSalle County | Conventional Hydroelectric | 3 MW | Dec 2027 | Under construction, less than or equal to 50 percent complete | |
| Marseilles Lock and Dam HydroLaSalle County | Conventional Hydroelectric | 3 MW | Dec 2027 | Under construction, less than or equal to 50 percent complete | |
| Marseilles Lock and Dam HydroLaSalle County | Conventional Hydroelectric | 3 MW | Dec 2027 | Under construction, less than or equal to 50 percent complete | |
| Marseilles Lock and Dam HydroLaSalle County | Conventional Hydroelectric | 3 MW | Dec 2027 | Under construction, less than or equal to 50 percent complete | |
| Clinton Solar 5Clinton County | Solar Photovoltaic | 3 MW | Nov 2026 | Under construction, more than 50 percent complete | |
| Northlake 5-SLCHI305Cook County | Solar Photovoltaic | 2 MW | Dec 2026 | Under construction, more than 50 percent complete | |
| SV CSG Roxana 1Madison County | Solar Photovoltaic | 2 MW | Nov 2026 | Under construction, less than or equal to 50 percent complete | |
| Bonacci 1Champaign County | Solar Photovoltaic | 2 MW | Feb 2027 | Under construction, more than 50 percent complete | |
| Bonacci 2Champaign County | Solar Photovoltaic | 2 MW | Feb 2027 | Under construction, more than 50 percent complete | |
| Zebrawood Solar, LLCHancock County | Solar Photovoltaic | 2 MW | Oct 2026 | Under construction, less than or equal to 50 percent complete | |
| Bureau Solar 2 LLCBureau County | Solar Photovoltaic | 2 MW | Sep 2026 | Under construction, more than 50 percent complete | |
| BushnellMcDonough County | Petroleum Liquids | 2 MW | Jun 2027 | Under construction, less than or equal to 50 percent complete | |
| Lowe's - 1440 - Rockford, IL RDC (POI 1)Winnebago County | Solar Photovoltaic | 2 MW | Sep 2026 | Under construction, more than 50 percent complete |
Showing the 100 largest of 143.
Other filings in Illinois
State air permits (8)
| Facility | Agency | Generators | Status | Source |
|---|---|---|---|---|
| 2425 Busse Road LLCDuPage County | Illinois EPA | Operating - FESOP, Renewal, public notice | ||
| Equinix CH-5 Data CenterCook County | Illinois EPA | Operating - FESOP, New, public notice | ||
| Elk Grove Village (CHI10-11-12) Data CenterCook County | Illinois EPA | Operating - FESOP, New, public notice | ||
| T5@Chicago II LPCook County | Illinois EPA | Operating - FESOP, New, public notice | ||
| Aligned Data Center (EGV) PropCo LLCCook County | Illinois EPA | Construction, New, public notice | ||
| Stream Data CentersCook County | Illinois EPA | Operating - FESOP, New, public notice | ||
| Ensono Data CenterDuPage County | Illinois EPA | Operating - FESOP, New, public notice | ||
| Compass Datacenters ORD I LLCCook County | Illinois EPA | Construction, New, public notice |
NRC reactor projects (1)
| Project | Stage | Date | Source |
|---|---|---|---|
| University of Illinois Urbana-Champaign, KRONOS Micro Modular Reactor (KRONOS MMR™)Champaign County, Illinois | Construction permit | Mar 31, 2026 |
Where Illinois stands
Across the whole tracker, 533 data center and substation permits are on record in 51 states and DC. Illinois accounts for 1 of them, ranking #11 by that count. Ranking measures documented permit activity, not the size of the eventual buildout.