T5 Chicago IV Data Center
Data center project in Grayslake, Illinois
T5 Chicago IV Data Center is a data center project in Grayslake, Illinois, announced, developed by T5 Data Centers, with a stated size of 1.2 GW. Last reported June 4, 2026, from 2 sources.
- Status
- Announced
- Developer
- T5 Data Centers
- Location
- Grayslake, Illinois
- Stated size
- 1.2 GW
- Last reported
- ·
- Sources
- 2 sources
- Other companies on the job
- 2 companies named, on Ultra
Is it moving?
Every record shows two dates: the one the source gives, and the day Spezia last checked it. How the dates work
FAA crane filings
1 filing, 0 of them cranes, 1 with work scheduled now
Latest work from July 27, 2026 to December 27, 2027, up to 150 feet.
- Building 2026-AGL-11407-OE ↗ · work July 27, 2026 to December 27, 2027 ·
1 builder named on the filings, on Ultra.
EPA construction stormwater
1 permit, 1 active
Coverage since March 19, 2025. A site of an acre or more needs this before grading starts.
- EPA record ↗ · Active ·
1 operator named on the permits, on Ultra.
What the sources say
Reported
“T5 @ Chicago IV, the second-largest data center project ongoing in Illinois”
Status
“the data center campus could include up to 20 buildings, with the first going up as soon as 2027”
Reported
“This data center, being built by T5, is a hyperscale data center.”
Status
“As of April, 2026, no permits have been issued. The campus is still in the architectural review stage.”
Size
“The campus will require up to 1.2 GW of IT capacity, supported by ~1.6 GW of utility power.”
Reports behind this page
What the full file adds
- General contractorOpen: not named yet
- Electrical contractorOpen: not named yet
- Mechanical contractorOpen: not named yet
- Engineering and commissioningOpen: not named yet
- Power and cooling equipmentOpen: not named yet
- Utility and power supply1 named
- TenantOpen: not named yet
- Investors and lendersOpen: not named yet
- Named builders, suppliers and partners2 companies named on this job besides the developer, each with its source.Ultra
- Buying stage by tradeWhen the electrical, mechanical and other trade work on this job is likely to be bought.Ultra
- ContactsSenior people at the companies on this job, where public pages name them.Ultra
- Who pays whom1 deal on file: equity, loans, leases, power or equipment, each with its source.Ultra
- Video and satellite readingsHow busy the site looks, wherever public drone or news footage or a satellite image of it is found.Ultra
- Spezia's read of the projectIts construction phase, how likely it is to be built and what is holding it back.Ultra
- AlertsAn email the day this project moves.Ultra
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- CyrusOne Yorkville Technology Campus (CHI-11)Under construction · YorkvilleCyrusOneSize not stated
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