Microsoft Hoffman Estates Data Center
Operating
Operating
The Microsoft Hoffman Estates Data Center is an operating campus at 2045 Lakewood Boulevard in Hoffman Estates, Cook County, Illinois. An October 2026 Illinois EPA notice describes three data centers, CHI05, CHI06 and CHI07, with 55 emergency generators among the permitted equipment. Normal power is purchased from the grid, and ComEd is building a substation for the campus. No campus MW figure has been published, and the village describes a 93-acre campus.