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CARTIS

Iron Mountain CHN-2 Chennai Data Center

Chennai, Tamil Nadu, IndiaPreconstruction
Evidence
Planned critical IT
19 MW
Updated
Oct 28, 2026

CHN-2 is the separate second Ambattur building, planned for 19 MW across eight data halls from 2028. It shares the 68 MVA campus feed with CHN-1; the utility feed and 42 MW campus total are not treated as CHN-2 operating capacity. Customer utilization, private contract terms and unreported project financing remain outside the verified public record.

Capacity

Reported capacity

Design

19 MW

Source

Reported capacity

Planned / design or future potential

19 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

Development, permitting and phased deliveryAnnounced or preconstruction

CHN-2 is the separate second Ambattur building, planned for 19 MW across eight data halls from 2028. It shares the 68 MVA campus feed with CHN-1; the utility feed and 42 MW campus total are not treated as CHN-2 operating capacity. 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

CHN-2 | Chennai | TN | IN

Source

Location context

Actual

CHN-2 | Chennai | TN | IN

Source

Project location

Actual

Chennai, TN, IN

Source

Building area

Design

396,075 square feet

Source

Technical specifications

Renewable energy matching

Actual

Operator states 100% matched renewable energy where applicable

Source

Additional project facts

Lifecycle status

Actual

Preconstruction

Source

Capacity basis

Actual

Iron Mountain publishes 19 MW for the CHN-2 facility record boundary.

Source

Lifecycle status

Actual

Preconstruction

Source

Capacity basis

Actual

19 MW is the published future facility or full build design boundary;

Source

Operator or developer

Actual

Iron Mountain Data Centers

Source

Current lifecycle

Actual

Under development

Source

Capacity classification

Actual

Future potential

Source

Capacity basis

Actual

19 MW is the published future facility or full build design boundary;

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

Data halls

Design

8 halls

Source

Target opening

Forecast

2028

Source

Infrastructure & permits

Technical details (3)
Electric grid

Planned or represented

19 MW

19 MW is the published future facility or full-build design boundary; it is not operating IT load.

Fiber

Planned or represented

AI-ready facility planned with N+2C redundancy, A/B underground feeds, liquid-cooling support and a dedicated campus substation.

Cooling system

Planned or represented

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.

Related projects (4)
Iron Mountain CHN-1 Chennai Data Center

Under construction · Chennai, Tamil Nadu, India

Same locality: Chennai · Shared participant: Iron Mountain Data Centers

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AirTrunk MAA1 Campus

Proposed · Chennai, Tamil Nadu, India

Same locality: Chennai

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Digital Connexion Chennai Campus / MAA10

Partially operational · Chennai, Tamil Nadu, India

Same locality: Chennai

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NTT DATA Chennai 1 Data Center

Partially operational · Chennai, Tamil Nadu, India

Same locality: Chennai

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