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CARTIS

Iron Mountain CHI-1 Chicago Data Center

Des Plaines, Illinois, United StatesOperating
Evidence
Planned critical IT
36 MW
Updated
Oct 28, 2026

CHI-1 is an operating Des Plaines facility with 12 MW of current leaseable capacity. Iron Mountain markets a 36 MW facility boundary, and the SEC reports a further 24 MW fully pre-leased but not yet in construction. The available sources support the documented development context. Customer utilization, private contract terms and unreported project financing remain outside the verified public record.

Capacity

Reported capacity

Design

36 MW

Source

Reported capacity

Design

12 MW

Source

Operating IT capacity: Not established in published records

A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.

Development

Operating facility and documented expansionOperational

CHI-1 is an operating Des Plaines facility with 12 MW of current leaseable capacity. Iron Mountain markets a 36 MW facility boundary, and the SEC reports a further 24 MW fully pre-leased but not yet in construction. The available sources support the documented development context. Customer utilization, private contract terms and unreported project financing remain outside the verified public record.

Milestones (1)
Project-specific evidence refreshed and reconciled

Aug 29, 2026 · Recorded actual event

Completed · Status changed

Source not linked

Participants

Iron Mountain Data Centers

Developer

Sources by role
Developer (1)

Site & development

Location context

Actual

CHI-1 | Des Plaines | IL | US

Source

Location context

Actual

CHI-1 | Des Plaines | IL | US

Source

Project location

Actual

Des Plaines, IL, US

Source

Technical specifications

Renewable energy matching

Actual

Operator states 100% matched renewable energy where applicable

Source

Additional project facts

Lifecycle status

Actual

Operating

Source

Capacity basis

Actual

Iron Mountain publishes 36 MW for the CHI-1 facility record boundary.

Source

Lifecycle status

Actual

Operating

Source

Capacity basis

Actual

12 MW is Q2 2026 leaseable operating capacity. The 36 MW marketed facility boundary includes a 24 MW future phase that was fully pre leased but not reported as construction started.

Source

Operator or developer

Actual

Iron Mountain Data Centers

Source

Current lifecycle

Actual

Operating or in phased operation

Source

Capacity classification

Actual

It load

Source

Capacity basis

Actual

12 MW is Q2 2026 leaseable operating capacity. The 36 MW marketed facility boundary includes a 24 MW future phase that was fully pre leased but not reported as construction started.

Source

Customer utilization

Actual

Not publicly disclosed

Source

Source refresh date

Actual

2026-08-29

Source

Sec capacity comparison

Actual

Q2 2026 leaseable and development schedules reviewed

Source

Infrastructure & permits

Technical details (3)
Electric grid

Operational

12 MW

12 MW is Q2 2026 leaseable operating capacity. The 36 MW marketed facility boundary includes a 24 MW future phase that was fully pre-leased but not reported as construction started.

Fiber

Operational

Carrier-neutral facility with diverse fiber connectivity, N+1 redundancy and scalable colocation infrastructure.

Cooling system

Operational

Cooling and resilience architecture is described at facility or campus level; instantaneous draw and tenant utilization remain undisclosed.

Public-source research. Plans may change. See Evidence for sources and qualifications.