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Iron Mountain Chennai (CHN-1 and CHN-2) data center

Chennai (Ambattur), Tamil Nadu, India · Chennai market · location approximate to district level

Iron Mountain Chennai (CHN-1 and CHN-2) is a data center project in Chennai (Ambattur), India, operated by Iron Mountain Data Centers (Web Werks JV). It is under construction. It is planned for 42 MW of IT load.

Latest change on record: entered the record as under construction on 13 April 2026. Record last checked against its sources on 2 October 2026.

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Stage
Under construction
Planned IT load
42 MW
Running now
Not disclosed
Operators rarely publish this
Operator
Iron Mountain Data Centers (Web Werks JV)
Joint venture
AI workloads
No signal either way
Evidence grade
Corroborated

Where it sits

Chennai holds 14 active projects with 699 MW of planned IT load between them, and Iron Mountain Chennai (CHN-1 and CHN-2) ranks 8th by planned capacity. Of those, 9 are operational, 1 is operational and expanding, 2 are under construction, 1 is at the land and permitting stage and 1 is announced only. Published colocation vacancy in Chennai was 24.2% as of June 2025. Vacancy excludes hyperscaler self-build.

Iron Mountain has 1 other in India tracked by ArusGrid, including Iron Mountain MUM-3. No tenant has been disclosed, which is normal for colocation and says nothing about occupancy.

The build is phased. CHN-1 at 23 MW is under construction with a 2026 target; CHN-2 at 19 MW is announced. The stage was recorded as under construction on 13 April 2026.

The US export control position for advanced AI chips in India, as of 27 September 2026, is recorded as “No US destination-based licence requirement as enforced”. ArusGrid holds 1 public source for this project, the latest dated 13 April 2026, and last checked the record on 2 October 2026.

How well evidenced is it

Construction or financing is evidenced, or several independent signals agree. The rules are fixed and published on the Methodology page.

Reaching this stage requires a dated construction source, which corroborates the project on its own.

Named funderNo
Disclosed clientNo
Committed or approved capitalNo
Dated, sized phaseYes
Three or more sourcesNo
Dated source in the last 24 monthsYes

AI workloads

StatusNo signal either way

Marketed as AI ready with liquid cooling readiness, no tenant named.

Access to AI chips

GradeNo US licence required

This country carries no US destination-based licence requirement for advanced AI chips as the rules are enforced today. Access is a commercial matter between the project and its vendors. Criteria are published on the Methodology page.

US licence required for this destination as enforcedNo
A party headquartered in China or Macau on the projectNo
Country-level export frameworkNo
A party named in a government authorisationNo
US approved operator or confirmed client on the projectNo
Named chip-vendor partnershipNo

No US destination-based licence requirement as enforced · No US destination-based licence requirement as enforced (2026-09-27) source

Phases

CHN-1 · Under construction23 MW, target 2026
CHN-2 · Announced19 MW

Stage history

2026-04-13Under construction · datacenterdynamics.com

Who is behind it

OperatorIron Mountain Data Centers (Web Werks JV) · Joint venture

Who uses the compute

No tenant disclosed. Most colocation leases are confidential, so this says nothing about occupancy. Not yet checked against second-order sources.

Build, land, power and water
Nothing found in public sources yet. Most contractors and utilities never name their data centre clients. Know who built it or where its power comes from? Tell us.

Sources checked 2026-10-02

  1. Iron Mountain tops out Chennai data center, India (DCD, 2026-04-13)

More in Chennai

Also run by Iron Mountain

All projects in Chennai · All projects in India · All Iron Mountain projects · All projects under construction · Full directory

Planned MW is IT load, the power available to servers, unless marked otherwise. Running capacity is rarely published, so a missing figure means undisclosed. Definitions, sourcing standards and evidence rules are on the Methodology page. Data is CC BY-NC 4.0. Corrections go to [email protected]. Dataset updated 2026-10-02.