Planned

T5 @ Chicago IV - Grayslake Campus

Illinois — Grayslake , Lake County
Mega-Project Northern Illinois
$250M
Investment
1.2 GW
Power Capacity
5.00M sq ft
Total Area
2
Sponsors

Sponsors & Partners

Project Timeline

Announced
2024-05
Construction Start
2027
Expected Completion
2029

Current canonical record

18-20 buildings planned, 100-400 MW each. 1.55 GW secured from ComEd.

One of the largest data center campuses planned in the US. Initially announced at 480 MW, expanded to 1.2 GW. AI-ready infrastructure designed for hyperscale and commercial cloud providers. Illinois DCEO 2025 Data Center Investment Program annual report lists T5@Chicago IV, LP in Grayslake as a 2025 signed MOU with a $250,000,000 investment commitment, an estimated $15,625,000 value of tax benefits, and 20 new jobs; treat $250M as an official investment floor.

Record provenance

This page is generated from the reviewed project database snapshot. The record was last reviewed on 2026-07-17. Blank fields mean the value was not publicly disclosed or could not be reconciled safely; they do not mean zero.