This canonical record consolidates 6 source-backed observations without discarding aliases, limitations or unresolved dimensions.
| Operator / developer | Not established in current evidence |
|---|---|
| Jurisdiction | Will County / Joliet, IL |
| Address | 795 ac surrounding S. Rowell Road and Bernhard Road |
| Location precision | street address |
| Coordinates | null, null |
| Capacity | 800 MW |
| Aliases | Joliet Technology Center Subdivision · Joliet Technology Center Subdivision (file 178-26 / A-4-25) |
| Project profile | 5 rows |
|---|---|
| Intent / permits | 0 rows |
| Civic / infrastructure | 1 rows |
The City of Joliet staff report describes roughly 795 acres surrounding South Rowell Road and Bernhard Road.
Key data: ~795 ac surrounding S. Rowell Road and Bernhard Road; ~1,800 MW at buildout
Limitation: PINs listed in the report were not individually extracted; file number confirmed as 178-26, correcting the earlier 179-26.
The staff report names PowerHouse Hillwood Holding, LLC as applicant/contract purchaser and lists the Bernhard-family record owners of the assembled parcels.
Key data: Applicant/contract purchaser: PowerHouse Hillwood Holding, LLC (Hillwood Investment Properties + PowerHouse Data Centers). Owners: Bernhard Farms Inc; Bernhard Family Land Trust; Leo E. & Lois I. Bernhard; Leonard E. Bernhard; Jean R. Smith; Joan E. Long; Joy C. & Ray M. Garza; James E. Bernhard
Limitation: Hillwood/PowerHouse joint-venture structure is inferred from the entity name plus trade reporting, not stated in the report.
The staff report provides for a 25-acre switching station on Lot 3 to be conveyed to ComEd, plus roughly 6-acre substations for each development phase, with PJM interconnection.
Key data: 25-ac ComEd switching station (Lot 3, to be conveyed to ComEd); ~6-ac substation per phase; PJM interconnection
Limitation: No interconnection queue number or large-load contract reference published.
Joliet Public Utilities director Alison Swisher describes a water agreement with the data center company containing specific average and maximum daily caps; the average committed use is 120,000 gallons per day (3.6 million per month), much of it for irrigation, with closed-loop cooling. Joliet is transitioning from its aquifer to Lake Michigan water by 2030 via the Grand Prairie Water Commission.
Key data: 120,000 gpd average cap; Joliet Public Utilities; Lake Michigan transition by 2030 via Grand Prairie Water Commission ($224.4M)
Limitation: The written water service agreement itself was not retrieved; the article does not name the company.
Approval authority is the City of Joliet (Plan Commission and City Council) with Joliet Public Utilities for water/sewer; the county layer is Will County and state siting/air is Illinois EPA. Joliet's news release quotes City Manager Beth Beatty and the projected $310M in property taxes over 30 years.
Key data: City Manager Beth Beatty; $310M property taxes over 30 years; Joliet Public Utilities director Alison Swisher
Limitation: No named planner/case manager for file 178-26 published.
The Joliet campus block group screens below national median on most EJ indexes; however, the resident lawsuit alleges burdens fall disproportionately on the city's District 5.
Key data: BG 171978833072: 16.2% people of color, $119,057 median HH income; US pctiles 41/34/43/44/22/22; state PM2.5 pctile 40
Status date: 2026-08-29
Limitation: Block-group screening may understate impacts on adjacent unincorporated Elwood/Jackson Township residents who are the actual plaintiffs.