Data Center Registry
Karis Critical Naperville Data Center
Naperville, DuPage County, Illinois · All 3 Karis Critical sites
Karis Critical Naperville Data Center is a cancelled data center in Naperville, Illinois (DuPage County), operated by Karis Critical. The public record puts it at 36 MW planned. It faces documented, organized local opposition.
Every line on this page traces to a public source listed at the bottom. Where a figure was looked for and not found, the row says so. A blank is never a zero.
Facility record
Cancelled
- Operator
- Karis Critical
- Facility type
- Data center
- Location
- Naperville, DuPage County, IL
- Coordinates
- 41.8090, -88.1174 (approximate)
- Power capacity
- 36 MW planned
- Land
- Not established from a public source
- Investment
- Not established from a public source
- Announced
- Not established from a public source
- Utility
- Not established from a public source
- Cooling
- Not established from a public source
- Water use
- Not established from a public source
- Jobs
- Not established from a public source
- Public subsidy
- Not established from a public source
- Community reception
- Opposed
- Source confidence
- Reported by at least one credible outlet or filing
Timeline from the record
Newest first. Record entries come from the filings and reports the registry cites. Coverage entries are headlines from publisher feeds we monitor daily, linked to the outlet; last checked September 14, 2026.
- January 21, 2026CancelledNaperville City Council rejected the proposal 6-1 with two abstentions after months of opposition; a revised single-facility plan was also voted down. Source: CBS News Chicago
Opposition and litigation at this site
Yes. Organized local opposition to Karis Critical Naperville Data Center in Naperville, DuPage County, Illinois is documented in the public record, without a lawsuit on file in the sources we track. Residents objected over utility costs, cooling water use, diesel generator emissions and proximity to homes and schools; the council rejected both the original two-building plan and a reduced single-building version.
How the community has taken it
Reception is a sourced signal, not an editorial judgment: opposed means documented, organized local opposition is the dominant signal on record.
Residents objected over utility costs, cooling water use, diesel generator emissions and proximity to homes and schools; the council rejected both the original two-building plan and a reduced single-building version.
Notes on the record
36 MW, 130,000+ sq ft, sited on Naperville's I-88 corridor. ⚠ The source names only the I-88 corridor, not a street address; coordinates are an approximate corridor pin and must be verified before the site is treated as located.
What the record does not establish, and the document that would
In every fight on our tracker the decisive fact came out of a public records request. These are the requests for this site.
- Cooling method and water use
- Tax abatements or other public subsidy
- Permanent jobs promised
- Land area
- Which utility serves it
Which document closes each gap
- Cooling method and water use
- The water service agreement, any groundwater appropriation permit, and the mechanical narrative in the site plan.
- Tax abatements or other public subsidy
- The abatement, PILOT, or development agreement approved by the county, city, or development authority, and the state's data center sales tax exemption certificate if one was issued.
- Permanent jobs promised
- The economic development application or incentive agreement, which usually states a job commitment and a clawback.
- Land area
- The rezoning application, the plat, or the deed recorded with the county.
- Which utility serves it
- The electric service agreement or the utility's filing with the state public utility commission.
Have one of these documents? Send it to us and we will add it to the record with attribution.
Other sites within 30 miles
Distances are between recorded coordinates, many of which are a city or county centroid, so treat them as approximate. Cumulative load on one utility and one aquifer is the question a planning commission rarely asks.
- Centersquare ORD4 (Lisle) · Lisle · Centersquare (Csquare)1 mi · Operating · 88.9 MW
- CyrusOne CHI1-CHI3 (Aurora) · Aurora · CyrusOne7 mi · Operating · 109 MW
- Equinix CH7 · Westmont · Equinix7 mi · Operating
- Edged Chicago Campus, Aurora (ORD01) · Aurora · Edged US9 mi · Under construction · 72 MW · Mixed reception
- Hut 8 Batavia Data Center · Batavia · Batavia DC Corp (Hut 8 Corp subsidiary)9 mi · Under construction · 50 MW · Mixed reception
- Aligned ORD-01 · Northlake · Aligned Data Centers13 mi · Operating · 48 MW
- Microsoft Northlake Data Center · Northlake · Microsoft13 mi · Operating · 158 MW
- Digital Realty ORD23 · Northlake · Digital Realty13 mi · Operating
Questions people ask about this site
Is there opposition to the Karis Critical Naperville Data Center in Naperville?
Yes. Organized local opposition to Karis Critical Naperville Data Center in Naperville, DuPage County, Illinois is documented in the public record, without a lawsuit on file in the sources we track. Residents objected over utility costs, cooling water use, diesel generator emissions and proximity to homes and schools; the council rejected both the original two-building plan and a reduced single-building version.
Has anyone filed a lawsuit over the Karis Critical Naperville Data Center?
No lawsuit over Karis Critical Naperville Data Center appears in the record we track as of September 25, 2026. Residents most often reach a lawyer over water supply, well drawdown, noise from cooling plant, property value, or a rezoning approved without the notice the ordinance required. If any of that is happening near this site, it is worth a review whether or not a case has been filed yet.
How much water does Karis Critical Naperville Data Center use?
No water withdrawal figure for Karis Critical Naperville Data Center is on record here. Water use is rarely published voluntarily; it usually surfaces through a utility service agreement or a state withdrawal permit, both of which are public records. We leave the number blank rather than estimate one.
Who operates Karis Critical Naperville Data Center, and how big is it?
Karis Critical is the operator on record. We hold 3 sites for that company across the registry. Capacity on record is 36 MW.
How to cite this page
SueDataCenters.org Data Center Registry, "Karis Critical Naperville Data Center," updated September 25, 2026, https://suedatacenters.org/data-centers/karis-critical-naperville-il.
Facility data from Compute Atlas (E. Kubiak), version 1.34.0 (September 21, 2026), licensed CC BY 4.0, record https://www.compute-atlas.com/facilities/karis-critical-naperville-il, retrieved October 1, 2026.
Corrections with a public source are welcome at the Compute Atlas record or through our contact page. The whole registry is available as CSV and JSON under CC BY 4.0.
Sources for this record
As compiled and cited by Compute Atlas, with our own reporting appended. Archived links are used where the original has moved.
- 1.Naperville City Council votes against proposed data center plan · CBS News Chicago · retrieved September 25, 2026
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