Joliet Technology Center
HW Technology Park (Hillwood Investment Properties / PowerHouse Data Centers) · Joliet, IL · United States
Facility record
- Lifecycle
- PermittedSource-reported lifecycle
- Location precision
- approximate
- Address as listed
- Not published
- Coordinates
- 41.432, -88.128
- Serving utility, source-reported
- ComEd
- Operational capacity, source-reported
- Not published
- Planned capacity, source-reported
- 1800 MW
- Source record updated
- 2026-10-22
Source-reported capacity; not metered consumption. Review underlying documents and notes. Planned capacity may include future phases and is not added to operational capacity here. The source may use facility, grid-feed or IT capacity definitions; consult the linked documents.
Coordinate precision is a source label, not an independent parcel survey. A marker does not confirm utility territory or establish an effect on residential bills.
Reported lifecycle history
- Proposed
Hillwood announced 795-acre data center campus planned on south Joliet farmland; Plan Commission recommendation scheduled October 16, 2025
Underlying source - Permitted
Joliet City Council voted 8-1 to approve annexation and development plan on March 19, 2026
Underlying source
Source notes
Coordinates approximate Jackson Township at Rowell and Bernhard Rds, south Joliet (~40 mi SW of Chicago), near Chicagoland Speedway. 24 two-story buildings planned. No confirmed hyperscale tenant as of permit date. Construction start targeted early 2027; first sub-campus by 2028. Construction jobs range reported as 7,000-10,000; permanent approximately 700.
ComEd substation to be built at site, funded by HW Technology Park; developer seeking own electricity supply independently
Sources and provenance
- Data center planned on 795 acres of farmland in south Joliet, Illinois · source retrieved 2026-07-06
- City of Joliet approves plans for what could be the largest data center in Illinois · source retrieved 2026-07-06
- Joliet City Council approves plans for Illinois' largest data center · source retrieved 2026-08-03
- Joliet Approves Illinois' Largest Data Center, 795-Acre Project Moves Forward · source retrieved 2026-08-03
Power Wars capture: 2026-11-02. Compute Atlas, CC BY 4.0. Entries are not independently verified by Power Wars unless stated.