Also listed as Colt Chennai Ambattur.
Colt DCS Chennai 1 (Ambattur) is a data center project in Chennai, India, operated by Colt Data Centre Services. It is at the land and permitting stage. It is planned for 70 MW of IT load.
Latest change on record: entered the record as land and permitting on 7 March 2024. Record last checked against its sources on 19 October 2026.
Next gate to watch: Land secured.
Build odds is ArusGrid's reading of the public record, not a forecast, a rating or advice. It counts the gates this project has passed in public sources. Private progress does not show, a passed gate can be undone, and projects that pass every gate still stop. The method has not yet been tested against outcomes. How it works.
How India approves, powers and taxes data centers is on Data center rules in India.
Chennai holds 16 active projects with 819 MW of planned IT load between them, and Colt DCS Chennai 1 (Ambattur) ranks 4th by planned capacity. Of those, 10 are operational, 1 is operational and expanding, 2 are under construction, 2 are 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.
It is the only Colt DCS / RMZ JV project ArusGrid tracks. It sits on the Colt DCS Chennai Ambattur campus. Named funding comes from RMZ. No tenant has been disclosed, which is normal for colocation and says nothing about occupancy.
The stage was recorded as at the land and permitting stage on 7 March 2024.
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 3 public sources for this project, the latest dated 18 October 2026, and last checked the record on 19 October 2026.
Construction or financing is evidenced, or several independent signals agree. The rules are fixed and published on the Methodology page.
No public signal either way.
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.
No US destination-based licence requirement as enforced · No US destination-based licence requirement as enforced (2026-09-27) source
No tenant disclosed. Most colocation leases are confidential, so this says nothing about occupancy. Not yet checked against second-order sources.
No figure has been announced. This range is 70 MW of planned IT load times a published benchmark of US$6.64 per watt for Mumbai, plus or minus 15 percent. It covers the building and its mechanical and electrical plant. It excludes land, grid works, servers and fees.
Benchmark: Turner & Townsend Data Centre Construction Cost Index 2025, as reported by Data Storage Asia. An estimate is never added to any total on the site.
ArusGrid estimate, grade C. Published band for this country. Priced on the hyperscale band, which already reflects anchor deals. No usable capex for this site. Electricity unstated in the band. An estimate, never a quote, computed by fixed rules published on the Colo prices page and never counted in any total.
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