West Monroe Operator not disclosed
300 West Adams Street Data Center Conversion
Operator not disclosed. Approved
A plan to convert part of a landmark office building at 300 West Adams Street in the Chicago Loop into a data center won City Council committee approval, one of the projects cited as Chicago works out how to regulate data centers within city limits. Mayor Brandon Johnson signed an executive order on August 11, 2026 creating new data center review steps and a task force, and separately asked the City Council to consider a temporary citywide moratorium while rules are drafted.
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- Status
- Approved
- Operator
- Not disclosed
- Location
- 300 W Adams St, Chicago, IL, Cook County, IL
- Size
- MW not reported
- Cooling
- Not reported
- Utility
- ComEd
- Last updated
- August 12, 2026
What happens next
Still to come: permits and construction. Builders do not always announce a construction start date in advance.
Sources
- Mayor Brandon Johnson signs executive order aimed at creating new regulations for data centers, ABC7 Chicago, 2026-08-11
- Data Centers Are Popping Up All Over Chicago. Here's Where, And Why They're Controversial, Block Club Chicago, 2026-08-12
What it would mean nearby
This case does not change what a household pays today, but it is the main tool Illinois regulators are using to try to stop the cost of new grid equipment for data centers from landing on residential bills. ComEd annual reconciliation rate case (docket 25-0383) adds about $3.10 a month to a typical bill from January 2026. PJM capacity auction price spike hits ComEd supply charges adds about $10.50 a month to a typical bill from June 2025.
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Other tracked projects within 25 miles
Digital Realty ORD11 Digital Realty
Netrality Netrality
Serverfarm CH1 Serverfarm
CoreSite Chicago Data Center (CH2) CoreSite
Common questions
Where is the 300 West Adams Street Data Center Conversion?
It is in Chicago, Cook County, IL.
Has the 300 West Adams Street Data Center Conversion been approved?
Yes, it has been approved.
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