Data Centers in Illinois
54 verified facilities · about 157 estimated ·
Illinois data centers at a glance
As of September 2026, Illinois has 54 data centers verified in OpenStreetMap and an estimated 157 in total. That ranks 10th among the 48 states and territories in the directory and is 3% of all verified US facilities. Facilities cluster in Chicago (11), Elk Grove Village (11), and Itasca (4). The largest operators by mapped sites are Digital Realty (6), CyrusOne (4), and NTT (4), out of 22 named operators. Malachi.Energy also tracks 2 mega projects in Illinois totaling 2.4 GW of planned capacity and about $21 billion in announced investment, led by Joliet Technology Center (Hillwood / PowerHouse Data Centers) in Joliet, IL, 1.8 GW and about $20 billion, announced, targeted for 2028.
Facility counts: OpenStreetMap contributors (ODbL), scaled to Baxtel data center market directory totals. Mega projects: Malachi.Energy tally of public filings and announcements. Method notes on the methodology page. See also Illinois electricity rates.
Verified
54
OSM-mapped facilities
Estimated
~157
Scaled to industry totals
Top hub
Chicago
11 verified facilities
Mega projects
2.4 GW
2 tracked, $21B announced
Map of data centers in Illinois
County boundaries, every verified facility, and tracked mega projects sized by planned capacity. Downloads carry the source line and dataset date for citation.
Top operators in Illinois
By OSM-verified facility count
- 1.Digital Realty6
- 2.CyrusOne4
- 3.NTT4
- 4.Centersquare3
- 5.Equinix3
Key hubs in Illinois
Cities with the most verified facilities
- 1.Chicago11
- 2.Elk Grove Village11
- 3.Itasca4
- 4.Northlake3
- 5.Aurora2
Mega projects in Illinois
2 tracked projects · 2.4 GW planned capacity · $20.5B announced
Joliet Technology Center (Joliet, IL)
Hillwood / PowerHouse Data Centers
795-acre campus in Will County approved 8-1 by the Joliet City Council in March 2026; first sub-campus targeted for 2028, full build by 2032.
Target: 2028Source: Shaw Local (Mar 2026)
CyrusOne Illinois (Sangamon County, IL)
CyrusOne
CyrusOne's planned 600 MW campus near Springfield. Sangamon County approved zoning 17-10 in April 2026; site plan and permits still pending.
Source: NPR Illinois (Apr 2026)
All verified data centers in Illinois
54 facilities mapped in OpenStreetMap, sorted by city. Unnamed entries are mapped buildings tagged as data centers without a public name.
| Name | Operator | City | Address |
|---|---|---|---|
| CyrusOne CHI3 | CyrusOne | Aurora | 2725 Bilter Road |
| Unnamed facility | CyrusOne | Aurora | 2805 Diehl Road |
| NCSA Petascale Computing Facility | Unknown | Champaign | 1725 South Oak Street |
| Centersquare Chicago Data Center - ORD1 | Centersquare | Chicago | 350 East Cermak Road |
| CoreSite Chicago Data Center (CH1) | CoreSite | Chicago | 427 South LaSalle Street |
| CoreSite Chicago Data Center (CH2) | CoreSite | Chicago | 1432 South Clinton Street |
| Digital Realty ORD10 | Digital Realty | Chicago | 350 East Cermak Road |
| Digital Realty ORD11 | Digital Realty | Chicago | 600 South Federal Street |
| Equinix Chicago Data Center - CH1 | Equinix | Chicago | 350 East Cermak Road |
| Iron Mountain Data & Record Storage | Iron Mountain | Chicago | 2425 South Halsted Street |
| Lakeside Technology Center | Unknown | Chicago | 350 East Cermak Road |
| Netrality | Netrality | Chicago | 717 South Wells Street |
| QTS Chicago | Quality Technology Services | Chicago | 2800 South Ashland Avenue |
| Serverfarm CH1 | Serverfarm | Chicago | 840 South Canal Street |
| Centersquare Elk Grove Village Data Center Campus ORD2 | Centersquare | Elk Grove Village | 2425 Busse Road |
| Digital Realty CH1 | Digital Realty | Elk Grove Village | 2200 Busse Road |
| Digital Realty CH2 | Digital Realty | Elk Grove Village | 2299 Busse Road |
| Digital Realty CH3 | Digital Realty | Elk Grove Village | 1400 Devon Avenue |
| EdgeConneX CHI01 | EdgeConneX | Elk Grove Village | 1800 Nicholas Boulevard |
| EdgeConneX CHI02 | EdgeConneX | Elk Grove Village | 2021 Lunt Avenue |
| Equinix Chicago CH3 | Equinix | Elk Grove Village | 1905 Lunt Avenue |
| Skybox Chicago I | Skybox | Elk Grove Village | 800 Devon Avenue |
| Stream Chicago I | Stream | Elk Grove Village | 2080 Lunt Avenue |
| Stream Chicago II | Stream | Elk Grove Village | 1925 Busse Road |
| T5 Chicago II | T5 Data Centers | Elk Grove Village | 200 Innovation Drive |
| Digital Realty Chicago ORD12 | Digital Realty | Franklin Park | 9333 West Grand Avenue |
| NTT Chicago CH1 | NTT | Itasca | 255 East Pierce Road |
| NTT Chicago CH2 | NTT | Itasca | 275 East Pierce Road |
| NTT Chicago CH3 | NTT | Itasca | 235 East Pierce Road |
| NTT Chicago CH4 | NTT | Itasca | 1200 Arlington Heights Road |
| Centersquare Lisle ORD4 Data Center | Centersquare | Lisle | 4513 Western Avenue |
| Aligned Data Center - Chicago ORD-01 | Aligned | Northlake | 505 North Northwest Avenue |
| Aligned Data Center - Chicago ORD-02 | Aligned | Northlake | 501 North Northwest Avenue |
| Microsoft - Azure Datacenter | Microsoft | Northlake | 601 Northwest Avenue |
| VISA | VISA | Vernon Hills | 475 Corporate Woods Parkway |
| Unnamed facility | Unknown | West Chicago | 1215 Carolina Drive |
| Element Critical CH1 | Element Critical | Wood Dale | 711 North Edgewood Avenue |
| Element Critical CH2 | Element Critical | Wood Dale | 341 Haynes Drive |
| Datacenter (386) | UChicago Argonne LLC | Unknown | Not listed |
| Edged Chicago ORD01 | Edged | Unknown | Not listed |
| Equinix Chicago Data CH7 | Equinix | Unknown | Not listed |
| Lincoln Rackhouse | Unknown | Unknown | Not listed |
| STACK Chicago CHI01 | Stack Infrastructure | Unknown | Not listed |
| West Monroe | Unknown | Unknown | Not listed |
| Unnamed facility | Unknown | Unknown | Not listed |
| Unnamed facility | Unknown | Unknown | Not listed |
| Unnamed facility | Meta | Unknown | Not listed |
| Unnamed facility | Meta | Unknown | Not listed |
| Unnamed facility | Meta | Unknown | Not listed |
| Unnamed facility | Unknown | Unknown | Not listed |
| Unnamed facility | CyrusOne | Unknown | Not listed |
| Unnamed facility | CyrusOne | Unknown | Not listed |
| Unnamed facility | Unknown | Unknown | Not listed |
| Unnamed facility | Unknown | Unknown | Not listed |
Frequently asked questions
How many data centers are in Illinois?
Illinois has 54 data centers verified in OpenStreetMap as of September 2026, and an estimated 157 in total once unmapped facilities are scaled in against Baxtel's industry count. That places it 10th of 48 states and territories by verified count.
Where are the data centers in Illinois?
The largest concentrations in Illinois are Chicago with 11 verified facilities, Elk Grove Village with 11 verified facilities, Itasca with 4 verified facilities, Northlake with 3 verified facilities, and Aurora with 2 verified facilities. The full table below lists every verified facility in the state with its operator and address.
Who operates the most data centers in Illinois?
By number of OSM-verified facilities, the largest data center operators in Illinois are Digital Realty (6), CyrusOne (4), NTT (4), Centersquare (3), and Equinix (3). This ranks mapped sites, not megawatts, so a hyperscaler with many small buildings can outrank a colocation provider with one large campus.
What large data centers are being built in Illinois?
Malachi.Energy tracks 2 mega projects in Illinois as of September 2026: Joliet Technology Center (Hillwood / PowerHouse Data Centers) in Joliet, IL, 1.8 GW and about $20 billion, announced, targeted for 2028 and CyrusOne Illinois in Sangamon County, IL, 600 MW and about $1 billion, announced. Together they total 2.4 GW of planned capacity and about $21 billion in announced investment. Figures are planned capacity from public filings and announcements, not delivered power.
Facility data sourced from OpenStreetMap contributors (ODbL). Estimated totals scaled to Baxtel industry counts. Mega project data from public filings and announcements. Dataset last updated . Built by Malachi.Energy.