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Data Center Registry

CyrusOne CHI1-CHI3 (Aurora)

Aurora, Kane County, Illinois · All 35 CyrusOne sites · Every CyrusOne case on our tracker

OperatingNo reception on recordAI likelyRecord updated October 15, 2026

CyrusOne CHI1-CHI3 (Aurora) is an operating data center in Aurora, Illinois (Kane County), operated by CyrusOne. The public record puts it at 109 MW operating.

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

Operating

Operator
CyrusOne
Facility type
Data center, AI use likely
Location
Aurora, Kane County, IL
Coordinates
41.7966, -88.2438
Power capacity
109 MW operating
Land
Not established from a public source
Investment
Not established from a public source
Announced
Not established from a public source
Utility
ComEd
Power source
Grid
Cooling
Closed loop
Water use
Not established from a public source
Jobs
Not established from a public source
Public subsidy
Illinois Data Center Investment Program sales and use tax exemption (MOU: CyrusOne (C1 Chicago), $250M commitment; estimated value), Illinois, 2022 | Illinois Data Center Investment Program sales and use tax exemption (MOU: C1 Chicago Aurora III LLC, $250M commitment; estimated value), Illinois, 2024
Community reception
No reception on record
Source confidence
Reported by at least one credible outlet or filing

Opposition and litigation at this site

Nothing on record as of October 15, 2026. No lawsuit, organized opposition, or contested hearing over CyrusOne CHI1-CHI3 (Aurora) in Aurora, Kane County, Illinois appears in the sources this registry tracks. That is an absence in our sources rather than a finding that none exists, and local opposition often predates any coverage a national dataset would pick up.

If you live near this site and something is happening that this page does not show, that is worth telling us. Send us the document and it goes in the record with the source attached. For sites where opposition is already established, see every contested site we track.

A new status, a permit, a reception finding, or a lawsuit. Nothing else, ever.

Power and water

CHI1-CHI3 in Aurora, IL run on the standard ComEd grid. CyrusOne's own back-up generation schedule page describes working with ComEd to reduce diesel generator run time (standard backup/demand-response practice, not a defining clean-energy procurement). No site-specific solar/wind/nuclear PPA found for this campus.

Public money on the record

ProgramAmountGranted byYear
Illinois Data Center Investment Program sales and use tax exemption (MOU: CyrusOne (C1 Chicago), $250M commitment; estimated value)$16 millionIllinois2022
Illinois Data Center Investment Program sales and use tax exemption (MOU: C1 Chicago Aurora III LLC, $250M commitment; estimated value)$16 millionIllinois2024

Notes on the record

Confirmed at 2905 Diehl Road, Aurora, IL via aggregator cross-reference; operator directory page also lists Aurora IL: CHI1-CHI3. AI/HPC (likely): Aurora campus AI-optimized via CyrusOne Intelliscale high-density design.

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.

  • Permanent jobs promised
  • Land area
  • How the community has received it
Which document closes each gap
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.
How the community has received it
Planning commission and governing body minutes, public comment records, and any petition or lawsuit filed in the county.

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.

Tell us about your situation

Living near CyrusOne CHI1-CHI3 (Aurora)?

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Questions people ask about this site

Is there opposition to the CyrusOne CHI1-CHI3 (Aurora) data center in Aurora?

Nothing on record as of October 15, 2026. No lawsuit, organized opposition, or contested hearing over CyrusOne CHI1-CHI3 (Aurora) in Aurora, Kane County, Illinois appears in the sources this registry tracks. That is an absence in our sources rather than a finding that none exists, and local opposition often predates any coverage a national dataset would pick up.

Has anyone filed a lawsuit over the CyrusOne CHI1-CHI3 (Aurora) data center?

No lawsuit over CyrusOne CHI1-CHI3 (Aurora) appears in the record we track as of October 15, 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 CyrusOne CHI1-CHI3 (Aurora) use?

No water withdrawal figure for CyrusOne CHI1-CHI3 (Aurora) is on record here. Cooling is recorded as closed_loop, which is the strongest available clue: closed loop and air cooled plant draw far less than evaporative cooling. We leave the number blank rather than estimate one.

Who operates CyrusOne CHI1-CHI3 (Aurora), and how big is it?

CyrusOne is the operator on record. We hold 35 sites for that company across the registry. Capacity on record is 109 MW.

How to cite this page

SueDataCenters.org Data Center Registry, "CyrusOne CHI1-CHI3 (Aurora)," updated October 15, 2026, https://suedatacenters.org/data-centers/cyrusone-chi1-chi3-aurora-il.

Facility data from Compute Atlas (E. Kubiak), version 1.34.1 (October 4, 2026), licensed CC BY 4.0, record https://www.compute-atlas.com/facilities/cyrusone-chi1-chi3-aurora-il, retrieved October 29, 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. 1.CyrusOne facility directory · CyrusOne · retrieved September 21, 2026
  2. 2.OpenStreetMap way/199252950 · OpenStreetMap · retrieved July 22, 2026
  3. 3.CyrusOne AI/HPC, Aurora campus AI-optimized via CyrusOne Intelliscale high-density desi · cyrusone.com · retrieved July 23, 2026
  4. 4.HIFLD Electric Retail Service Territories (ORNL/DOE-CESER, 2023-08 vintage) · Oak Ridge National Laboratory (ORNL) / HIFLD · retrieved July 23, 2026
  5. 5.CyrusOne Aurora IL back-up generator schedule (ComEd coordination) · retrieved July 24, 2026
  6. 6.Data Center Investment Program 2025 Annual Report · Illinois Department of Commerce and Economic Opportunity · retrieved October 15, 2026

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