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CARTIS

NTT Chennai 2 Data Center Campus

Ambattur, Chennai, Tamil Nadu, IndiaPartially operational
Evidence
Planned critical IT
34.8 MW
Updated
Oct 28, 2026

NTT Chennai 2 Data Center Campus is one two-building campus; the 34.8 MW plan is separated from Building A's 17.4 MW operating capacity. NTT Chennai 2 Data Center Campus is located in Ambattur, Chennai, TN, IN and is a data center campus in partially operational status.

Capacity

Planned campus critical IT load

Planned / design or future potential

34.8 MW

Source

Building b planned critical IT load

Planned / design or future potential

17.4 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

Chennai 2AOperational

1 building

First nine-storey building; 17.4 MW critical IT load and up to 2,500 racks.

Chennai 2BPlanned

1 building

Second nine-storey building; current location page retains future-language scope.

Milestones (1)
NTT launches Chennai 2A and MIST cable system

Jun 29, 2023 · Recorded actual event

Completed · Event type not stated

Source not linked

Participants

Japan ICT Fund

Investor

Sources by role
Investor (1)
NTT Global Data Centers India

Developer · Operator

Sources by role
Developer / Operator (1)
Developer / Operator (1)
WEN Capital

Investor

Sources by role
Investor (1)
Other participants (1)
Orient Link

Supplier

Sources by role
Supplier (1)

Site & development

Campus site area

Actual

6 acres

Source

Planned building count

Actual

2 buildings

Source

Building storeys

Actual

9 storeys per building

Source

Technical specifications

Planned rack capacity

Actual

5,000 racks

Source

Additional project facts

Mist cable length

Actual

8,100 kilometres

Source

Mist design capacity greater than

Actual

200 Tbps

Source

Infrastructure & permits

Technical details (3)
Fiber

Operational

200 Tbps

Greater-than 200 Tbps design capacity on an 8,100 km system; network capacity, not campus compute capacity.

Electric grid

Partially operational

34.8 MW

17.4 MW is live in Building A; the second 17.4 MW remains planned.

Cooling system

Partially operational

Water-cooled systems, CRAC units and cold-aisle containment; building-level commissioning beyond 2A is unresolved.

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