WHY IS LIFE SO HARD?Data-center field guide
By state

Data centers in Illinois

42 source-backed data-center dossier pages for Illinois, with local news and links to each record.

This guide lists 42 dossier pages for Illinois. Records are dated and sourced. Counts show dossier pages in this guide, not every data center in the state.

By the numbers

Record types: 39 facility, 2 campus, 1 proposal.

Most listed operators: Digital Realty (9), CyrusOne (7), Equinix (6), Aligned Data Centers (4), DataBank (4), EdgeConneX (4).

Dossiers by place

Chicago

Elk Grove Village

Aurora

Northlake

Franklin Park

Coal City (Grundy County)

Mount Prospect

Oak Brook

Sangamon County

Westmont (DuPage County)

Yorkville

What the records show

42 of 42 dossier records in this state list at least one source. The tables count records by their recorded status and by how precisely each one is placed on the map.

By recorded status

StatusRecords
Operator-listed or operating39
Other or unclear3

By map precision

PrecisionRecords
Street address30
City-level12

A city or metro pin marks a place, not a parcel. Status labels come from each record’s source and are not a check of current operation.

Recent local news

Local and regional headlines from a public news search for the past year, newest first. National trade, law-firm and aggregator items are left out. Each link goes to the outlet; headlines are not summaries.

Related pages

All state dossiers · Find nearby records

Where to check in Illinois

  • The county or city planning office, for zoning cases, site plans, hearing dates, and staff reports.
  • The building and fire agency, for permit numbers, generator details, and inspections.
  • The utility and state utility regulator, for power and interconnection filings.
  • The water or environmental agency, for cooling water and discharge permits.

These are the usual places to look. Local names and portals vary by county, so start from the records in each dossier.