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DataCentersExposed
Operatingcolocation

CyrusOne Chicago Aurora CME

2805 Diehl Road · Aurora, DuPage County, IL

Source: OpenStreetMap

CyrusOne Chicago Aurora CME is an operating data center in DuPage County, IL, operated by CyrusOne LLC. DataCentersExposed has documented 58.4 MW of reported power capacity and a 483,103 sq ft footprint at this site.

Reporting by · Updated Jun 18, 2026

Real parent
CyrusOne LLC
Operator
CyrusOne LLC
Power
58.4 MW
Footprint
483,103 sq ft
Interconnection
~175 MW
Utility
Commonwealth Edison Co
Grid
PJM
Attribution & capacity confidence:mediumprimary source

Overview

source: link

CyrusOne Chicago Aurora CME is an operating colocation data center in Aurora, DuPage County, Illinois, run by CyrusOne LLC. The site spans 483,103 square feet, drawing power from Commonwealth Edison Co within the PJM grid. It is one of CyrusOne's data center properties.

Operator chain

Grid & water — why here

source: HIFLD · EPA
Nearest substation
541 ft
Unknown156623 · 138 kV
Transmission line
541 ft
138 kV line
Municipal water
Served
Aurora

The closest existing grid infrastructure and the municipal water system this location sits in — the same constraints the buildout model screens on (it won't site a campus more than ~2 km from a substation or ~5 km from municipal water). Distances are straight-line to public HIFLD/EPA features, not a metered connection.

In the news

source: GDELT

Data-center discussions in DuPage County

source: LocalView (CC0)

Local-government meetings in this county that discussed data centers, each cued to the moment. From the public LocalView corpus of government meetings on YouTube — a county-level signal, not necessarily about this specific site.

Aurora City Council
Dec 8, 2020 · 1 data-center mention

Tax breaks & subsidies

source: Good Jobs First / GASB 77

No per-deal tax break is linked to this site yet. No state discloses the recipient of a data-center abatement at the facility level, so per-site deals are rare in the public record. If you have a development agreement or board resolution for this site, send it to us.

Statewide cost of this incentive

Illinois reported $983.2M in Data Center Investment Program — state & local sales/use tax exemption (20 ILCS 605/605-1025; administered by DCEO) (2019-2024 (27 certified data centers; cumulative estimated exemption value)) (Illinois Department of Commerce and Economic Opportunity (DCEO)). Program-wide, not attributable to this site.

source · All Illinois subsidies →

Water use

No public record of this facility's water use. We check state withdrawal reporting for self-supplied sites; municipally supplied sites only become visible through a public-records request to the local water utility — a per-facility request tool is coming. If you have a utility document for this site, send it to us.

EPA permits & violations

source: EPA ECHO

No reported violations as of last sync.

Environmental permits

source: Permit register
  • Clean Air Act permitted sourceIL000043407ACW
    NAICS 518210; ECHO compliance status: No Violation Identified

What this site costs the grid

source: PJM RPM auction reports
ComEd (Illinois) · 2027/28 auction
$333 /MW-day
Peaked at $188/MW-day in 2020/21 2.46× the rest of PJM

PJM's capacity auction sets a $/MW-day price that utilities pass on to every household and business in the zone. This site sits in PJM's COMED pricing zone, where soaring data-center demand is a documented driver. See the full zone-by-zone breakdown →

This site's capacity-market cost
$7.1M/yr

58.4 MW of load at the zone's $333/MW-day, annualized — the capacity charge a load this size carries at the current auction price.

Separately, a typical home in this zone pays an estimated $4 to $10/mo more on the capacity portion of its bill that PJM's market monitor attributes to data-center demand. See your address's full impact →

Air quality near this site

source: AirNow
55
PM2.5
Moderate

Air Quality Index from the nearest AirNow reporting area (Aurora and Elgin), as of 2026-06-10. Regional context — not this facility's own emissions.

Who lives nearby

source: Census ACS 2023
Median household income
$177.8K
People of color
41%
Below poverty
2%
Tract population
4,293

Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.

Nearest school

source: HIFLD / NCES

The nearest public school, Metea Valley High School in Aurora, is 0.4 mi from this site (2,715 students). 2 public schools sit within a mile of the site.

Schools are sensitive receptors for the noise, backup-generator exhaust, and traffic a large data center brings. Straight-line distance to the nearest public school (HIFLD/NCES, US public schools only).

Hearings timeline

No public-hearing records linked to this site yet. We surface planning-commission and board-of-supervisors dates when a record names a facility. If you know of a hearing on this site, tell us.

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