STT Chennai 4 Ambattur
STT GDC · Ambattur
- Planned IT
- 18 MW
- Free to lease
- 14.4 MW
- $ / kW·mo
- $97
- White space
- 75k ft²
Inventory
20% occupiedPower
18 MWlive
14.4 MW to lease · 3.6 MW in use
White space
75k ft²total
60k ft² free · 15k ft² occupied
6,968 m² · 5,574 m² free
Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.
Power
Power cost
$97/kW·mo
9.6¢ industrial · 13.2¢ after PUE 1.38
- Per MW·year
- $1.2M
- This site · 18 MW
- $21M/yr
- 20 kW rack
- $1,934/mo
3.0× the cheapest market (Iceland Landsvirkjun). Same IT load there is $14M/yr less.
TANGEDCO · utility tariff × PUE, not colo list price.
- Redundancy
- N+1
- Opened
- 2027
- Renewable match
- 30%
- Rack density
- 20 kW
- PUE
- 1.381.00 ideal · 1.60 typical
- Power source
- TANGEDCO plus on-site generators. Dual feeds.
Cooling
Plant
Hybrid
Liquid
Deployed
Rack density
20 kW
H100-eq
—
WUE
—
Operator has not published WUE. Blank, not zero — air-cooled sites still use some water.
Hybrid CRAH plus CDU-fed direct-to-chip loops for high-density AI cabinets.
Network carriers
6On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.
Clouds
4Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.
Location
Chennai, Tamil Nadu, India
Ambattur campus, Chennai
13.116°, 80.156° · Asia
Tenants / users
Hyperscale, AI, cloud
Notes
Broke ground 2026. Pushes Ambattur campus toward 130 MW with Chennai 2/3.
Compiled from public filings, operator pages, and reporting. Not an official operator specification.