AirTrunk JHB3 Johor: 138MW Malaysia AI Campus
Status: Under Development / Announced | Location: 5.4-hectare campus, Iskandar Puteri, Johor Bahru, 79200 Johor, Malaysia
Project Overview
AirTrunk’s JHB3 campus in Iskandar Puteri, Johor Bahru, represents the company’s third hyperscale data center development in Malaysia, delivering over 138 MW of total IT and facility capacity across 8 high-density data halls. Spanning a 5.4-hectare footprint, the facility forms part of AirTrunk’s multi-billion-dollar digital infrastructure platform in Johor alongside JHB1, JHB2, and JHB4, creating an interconnected regional megahub to serve global cloud providers and artificial intelligence platforms. Engineered specifically to support ultra-dense compute environments, generative AI model training, and GPU server clusters, JHB3 incorporates flexible liquid-cooling infrastructure designed to use 100% recycled water to minimize environmental impact and conserve potable municipal water. Baseline power reliability is secured via a permanent 275kV dual feed interconnected directly with the adjacent JHB2 campus substation network tapping into Tenaga Nasional Berhad’s (TNB) high-voltage transmission grid. The development supports Malaysia’s national strategy to establish itself as a premier APAC digital and AI hub. Featuring a design Power Usage Effectiveness (PUE) of 1.30, carrier-neutral subterranean fiber routing, and multi-layered physical security, JHB3 provides hyperscale customers with rapid, resilient, and sustainable compute scaling across Southeast Asia.
Quick Facts
| Field | Value |
|---|
| Project Name | AirTrunk JHB3 Johor: 138MW Malaysia AI Campus |
| Location | 5.4-hectare campus, Iskandar Puteri, Johor Bahru, 79200 Johor, Malaysia |
| Status | Under Development / Announced |
| Commissioning | H1 2027 (Phase 1 Target Go-Live) |
| Total IT Load | 110 MW |
| Total Capacity | 138+ MW (8 high-density data halls across 5.4 hectares) |
| Tier Level | Tier III Equivalent System Architecture |
| Project Type | Greenfield Hyperscale Cloud & AI-Ready Data Center Campus |
City Profile
| Header | Details |
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| City Name | Johor Bahru |
| Population | ~1.7 Million |
| Urban Agglomeration | ~2.5 Million (Iskandar Malaysia region) |
| City GDP | RM 150 Billion (State of Johor) |
| Per Capita Income | ~RM 42,000 |
| City Tier | Tier 1 (Malaysia) / Global Secondary Hub |
| Key Strengths | Proximity to Singapore, abundant land, favorable power costs |
Companies Involved
| Header | Details |
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| Developer / Operator | AirTrunk |
| Strategic Infrastructure Partner | Tenaga Nasional Berhad (TNB), Johor State Government, Ministry of Energy Transition & Water Transformation |
| Construction Contractor | Leading Regional APAC EPC Prime Contractors & Civil Engineering Partners |
| MEP Engineering | AirTrunk Global Infrastructure Design & Specialized Mission-Critical Engineering Partners |
| Network Connectivity | Carrier-neutral architecture with four physically separated subterranean concrete fiber entry vaults and dual fortified Meet-Me-Rooms. |
| Power Infrastructure | Permanent 275kV high-voltage dual feed interconnected directly via the JHB2 transmission switchyard and TNB national grid. |
Technical Specifications
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| Power Capacity | 138+ MW gross utility design capacity |
| UPS Redundancy | 2N power redundancy with block-isolated static UPS modules and containerized emergency standby generators with bulk fuel reserves. |
| Cooling System | Direct-to-chip liquid cooling manifolds paired with closed-loop cooling systems utilizing 100% recycled water. |
| Connectivity | Carrier-neutral design featuring four subterranean fiber vaults, direct dark fiber loops, and dual Meet-Me-Rooms. |
| PUE Target | 1.30 |
| Energy Mix | Integrated with Malaysia’s Green Lane Pathway, regional Virtual Power Purchase Agreements (VPPAs), and renewable power tariffs. |
Milestones
| Header | Details |
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| Announcement | April 2026 |
| Construction Start | Late 2026 |
| Phase 1 Go-Live | H1 2027 |
| Full Buildout | 2029 (Phased commissioning across all 8 planned data halls) |
Investment Details
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| Total Investment | $800,000,000 USD (Part of MYR 12B combined JHB3/JHB4 regional expansion) |
| Funding | Multi-billion-dollar green debt financing and corporate equity backed by Macquarie Asset Management and Blackstone |