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STT Johor Campus

Iskandar Puteri (Gelang Patah), Johor, Malaysia · Johor market · location approximate to district level

STT Johor Campus is a data center project in Iskandar Puteri (Gelang Patah), Malaysia, operated by ST Telemedia Global Data Centres. It is under construction. It is planned for 166 MW of IT load.

Latest change on record: entered the record as under construction on 24 February 2025.

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Stage
Under construction
Planned IT load
166 MW
Running now
Not disclosed
Operator
ST Telemedia Global Data Centres
Colocation
AI workloads
Confirmed
Evidence grade
Corroborated
Will it get built?Leaning yes5 of 7 gates passed
✓ Land secured✓ Power arranged✓ Approvals granted✓ Money committed○ Tenant or own use○ Builder appointed✓ Construction started

Next gate to watch: Tenant or own use.

Your call. Will it be built?

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 Malaysia approves, powers and taxes data centers is on Data center rules in Malaysia.

How well evidenced is it

Construction or financing is evidenced, or several independent signals agree. On record: named funder, dated, sized phase, three or more sources, dated source in the last 24 months. Criteria.

AI workloads

StatusConfirmed

HPC campus, liquid-cooling support (MIDA)

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.

Phases

STT Johor 1 · Under construction16 MW, target 2026

Stage history

2025-02-24Under construction · sttgdc.com

Who is behind it

OperatorST Telemedia Global Data Centres · Colocation
Funder, DebtUOB Malaysia
Funder, DebtOCBC
Funder, DebtStandard Chartered
Funder, DebtCIMB
Funder, EquityKKR
Funder, EquitySingtel

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.

Money at this site

ArusGrid estimate, building costabout US$1.6bn to US$2.4bn

No figure has been announced. This range is 166 MW of planned IT load times a published benchmark of US$11.37 per watt for Malaysia, plus or minus 15 percent, with 10 percent more at the top for liquid cooling because the project is AI-positioned. 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.

Platform deals that include it

STT GDC S$1.75B raise (KKR-led + Singtel)
Platform capital, 2024-06US$1.3bn
KKR + Singtel acquisition of STT GDC (platform M&A)
Platform acquisition, 2026-09-01US$5.1bn
STT GDC Johor campus green loan
Debt, 2026-08-13US$1.4bn

Platform capital spans several sites. It is never added to this project's own figure.

Land
Land sellerCrescendo Corporation (Panoramic Industrial Development) · 22.4 acres · RM117m (≈US$26m) · leasehold · Nov 2023 Confirmed source ↗
99-year leasehold on at least one parcel
Industrial estateNusa Cemerlang Industrial Park (operator not named in source) · 22 acres · Mar 2025 Reported source ↗
Campus spans over 22 acres in Nusa Cemerlang Industrial Park, Iskandar Puteri. Seller not named.
Power supply
Grid supplyTNB · Feb 2025 Reported source ↗
Renewable supply talks with Ditrolic Energy, not final
Grid supplyUtility not named (two diverse 33kV supplies) · 33kV · Dec 2025 Confirmed source ↗
STT Johor 1 has two diverse, redundant 33kV utility supplies from diverse substations nearby, distributed redundant UPS and underground fuel storage for at least 24 hours at full load.
Water and cooling
CoolingAir cooled · design PUE 1.3 Confirmed source ↗
N+1 high-efficiency air-cooled chillers, N+2 fan wall units (facility factsheet)
Possibly linked
The source does not name the project, and more than one project we track fits. We show it on each of them and pin it to none.
UnconfirmedLeighton Asia · Main contractor · Feb 2026 source ↗
This project is one of 3 that fit. The others are NTT Johor Bahru Campus, Princeton Digital Group JH1.

Sources

  1. ST Telemedia Global Data Centres breaks ground for high-performance computing data centre campus in Johor (MIDA, 2025-02-24)
  2. datacenterdynamics.com
  3. STT GDC secures RM5.6bil financing for Johor data centre campus (New Straits Times, 2026-08-13)
  4. KKR-Singtel Consortium Completes Acquisition of STTGDC; Company Launches Refreshed Global Brand for Next Phase of Growth (STT GDC via Access Newswire, 2026-09-01)
  5. STT GDC Breaks Ground on STT Johor 1, Advancing Malaysia's Data Center Expansion (STT GDC via HPCwire, 2025-02-24)
  6. ST Telemedia Global Data Centres Breaks Ground for High-Performance Computing Data Centre Campus in Johor, Signs MOU for Talent Development (STT GDC, 2025-02-24)
  7. STT GDC begin works on data centre in Johor, Malaysia (World Construction Network, 2025-02-25)
  8. Kerjaya Prospek bags RM858mil data centre contract in Johor (The Star, 2026-09-03)
  9. Singapore Entity Secures Green Financing For Johor Data Centre Campus (Bernama, 2026-08-13)
  10. STT GDC obtains $1.37B green loan for Malaysia data center expansion (Light Reading, 2026-08-13)
  11. STT Johor 1 Factsheet (ST Telemedia Global Data Centres, 2025-12-01)

More in Johor

Also run by STT GDC

All projects in Johor · All projects in Malaysia · All STT GDC projects · All projects under construction · Data center rules in Malaysia · Full directory

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