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Joliet, Will County, IL41.525, -88.082

Joliet Technology Center

PermittingData Center

Hillwood / PowerHouse Data Centers

Joliet, Will County, IL

Verification76/100

How corroborated this project is, 0 to 100, built from primary evidence: permits, utility interconnection filings, procurement notices and hiring activity. Higher means more independent sources confirm it.

Approved March 2026: a 795-acre, 24-building hyperscale campus near Chicago, the largest data center approved in Illinois at ~1.8 GW and a cited $20B. Construction targeted for early 2027. Illinois paused its Data Center Investment Program tax incentive for new agreements effective July 1, 2026, a headwind for further in-state announcements.

Investment$20B
Power demand1,800 MW
Jobs·
Serving utilityComEd

Development stage

  1. Site Selection
  2. Pre-Construction
  3. Permitting
  4. Construction

Project timeline

Every detected update, newest first

  1. Sitework procurement openedProcurement+4 evidence

    Early sitework and civil scopes appeared for bid on the Joliet campus.

    Jul 17, 2026Local reporting / county records
  2. Joliet campus approvedPermit+4 evidence

    Will County approved a 795-acre, 24-building ~1.8GW campus, the largest data center approved in Illinois.

    Mar 20, 2026DatacenterDynamics

Procurement opportunities

Paid plan

  • No opportunities detected yet.