Overview
Joliet Technology Center is a proposed hyperscale data center campus at South Rowell Road and West Bernhard Road in Joliet, Illinois, United States. Current project and municipal material describe a 795-acre, 1.8 GW campus planned as 24 two-story data center buildings across four future phases. The project received conditional annexation and preliminary development approvals in March 2026 but is not an operational campus.
Location
Open in Data Center MapMap precision: Street address. The marker does not identify an exact building.
Facility details
- Entity Type
- Campus
- Facility Type
- Data center
Physical location
- Street Address
- S Rowell Rd & W Bernhard Rd
- City
- Joliet
- State / Region
- Illinois
- Postal Code
- 60421
- Country
- United States
- Country Code
- US
- Location Precision
- Street address
Development timeline
- Development Status
- Proposed
Capacity and scale
- Power Capacity (MW)
- 1800 MW
- Site Area
- 795 acres
Relationships
- Operator
- PowerHouse Data Centers Checked 2026-09-04
- Owner / parent organization
- PowerHouse Hillwood Holding LLC Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center A1 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center A2 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center A3 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center A4 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center A5 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center A6 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center B1 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center B2 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center B3 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center B4 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center B5 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center B6 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center C1 Checked 2026-09-04
- Child facility / phase
- Joliet Technology Center C2 Checked 2026-09-04
Relationships without an Evidence link are normalized from the canonical directory record. They should not be interpreted as independent proof of physical presence or request origin.
Changes
-
Power capacity Added: 1800Recorded 2026-09-04 21:01:04 UTC
-
Development status operational proposedRecorded 2026-09-04 21:01:04 UTC
-
Region Added: IllinoisRecorded 2026-09-04 21:01:04 UTC
-
Operator Hillwood Development Company PowerHouse Data CentersRecorded 2026-09-04 21:01:04 UTC
-
Owner Added: PowerHouse Hillwood Holding LLCRecorded 2026-09-04 21:01:04 UTC
This timeline records selected public-field transitions after Botcrawl established the 4.28 history baseline. It is not a complete reconstruction of changes made before that baseline.