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Data Center Construction in Illinois

192active signals

Chicago-area market shows 190 active signals with Equinix, Google, and EdgeConneX leading development, supported by Walsh Construction and Clayco as primary GCs.

Key metros

Chicago38Cook25Dupage10Cook County5Ogle3Ottawa1Jacksonville1New York / Northern NJ1

Recent signals from Illinois

CyrusOne gets go-ahead for data center in Sangamon, Illinois

Article
CyrusOneยท Sangamon, Illinoisยท Apr 9, 2026

CyrusOne secured regulatory approval for a 634MW data center campus in Sangamon, Illinois. The project ranks among the largest single-site data center developments announced in the Midwest. The campus is hyperscale-class, targeting cloud providers and enterprises. No general contractor or project value has been disclosed yet. GCs, mechanical/electrical subs, and infrastructure vendors should pursu

Sangamon County approves data center - Illinois Times, the capital city's weekly source of ...

Article
CyrusOneยท Sangamon County, Illinoisยท Apr 9, 2026

Sangamon County approved CyrusOne's zoning proposal for a data center development in the Illinois county that includes Springfield. The project cleared initial regulatory hurdles before gaining local approval. CyrusOne is planning a greenfield build, though capacity and investment figures have not been disclosed. Zoning approval signals active development planning is underway. GCs, electrical subs

Google Enters Data Center Market in Chicago Tribune coverage area, likely Indiana or Illinois

New Entrant
Googleยท Chicago Tribune coverage area, likely Indiana or Illinoisยท Apr 10, 2026

A suspected Google data center project in the Indiana/Illinois market is drawing local opposition, with anti-data center signs reportedly removed by Blue Chip Casino. The project carries a Development Corporation sales tax exemption, signaling substantial public incentives. Local 150 union is involved in the dispute over signage removal, highlighting community tensions. The end user remains offici

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