Datacenter Projects in Illinois

Chicago is the largest Midwest datacenter hub and a top-five US market. The cluster around Elk Grove Village and Northlake serves the financial, advertising, and content delivery industries with low-latency colocation.

Illinois is currently tracking roughly 105 active datacenter projects across operational sites, builds under construction, and recently announced campuses, representing an estimated 2,000 MW of IT load capacity. Over the last 24 months, 22 new large-scale projects have been announced statewide, with approximate aggregate investment of $24B. The state is categorized as a primary market for North American datacenter activity.

Top Datacenter Markets in Illinois

Datacenter construction in Illinois is concentrated in Chicago, Elk Grove Village, Aurora, Hoffman Estates, DeKalb. These submarkets attract activity because of available high-voltage transmission capacity, large industrial-zoned land parcels, favorable tax abatements, and existing fiber routes connecting to major peering hubs.

Major Operators and Hyperscalers Building in Illinois

Operators with significant presence or active builds in Illinois include Digital Realty, Equinix, QTS, CyrusOne, Meta, Microsoft. Each operator runs a distinct procurement model — hyperscalers (AWS, Microsoft, Google, Meta) typically award national MSAs to a short list of general contractors and self-perform commissioning, while colocation providers (Digital Realty, Equinix, QTS, Aligned) source more locally and award trade-by-trade.

Notable named projects and campuses in Illinois include: Digital Realty Franklin Park, Meta DeKalb, Microsoft Hoffman Estates, QTS Itasca.

Who Sells Into Illinois Datacenter Projects

A typical 100 MW datacenter campus in Illinois involves dozens of supplier categories. Companies actively pursuing Illinois datacenter work include:

• General contractors and construction managers— DPR, Holder, Fortis, Clayco, Whiting-Turner, JE Dunn, Brasfield & Gorrie, Turner, Mortenson
• Electrical contractors and switchgear suppliers — Rosendin, Faith Technologies, Cupertino Electric, Eaton, ABB, Schneider Electric, Vertiv, Powell, Siemens Energy
• Mechanical, HVAC and cooling suppliers — Stulz, Vertiv, Trane, Munters, Carrier, Johnson Controls, Nortek, Stellar
• Power equipment and backup generation — Caterpillar, Cummins, Kohler, Generac, MTU, ABB UPS, Mitsubishi Power, Bloom Energy
• Structural, civil and site work — Concrete, steel erection, sitework grading, paving, fencing and security perimeter
• Fiber, structured cabling and BMS integrators — Corning, CommScope, Panduit, Belden, Honeywell BMS, Schneider EcoStruxure

How to Find Datacenter Projects in Illinois

Datacenter projects in Illinoisare best identified through a combination of public and private signals: state and county building permit filings, economic development authority press releases and incentive announcements, utility interconnection queues and substation upgrade petitions, environmental (NPDES, air permit) filings, FAA notices for construction cranes, and hyperscaler real estate filings. SUPPLYCO's AI agents aggregate these signals continuously and surface them to sales reps inside their existing CRM, so contractors and suppliers in Illinois can engage before bid lists close.