GreenSquareDC SYD1 Sydney Expansion: AI-Ready Hyperscale Campus Specs
Status: Under Construction / Phased Greenfield Expansion & Revitalization | Location: 3 Brookhollow Avenue, Norwest Business Park, Baulkham Hills, NSW 2153, Sydney, Australia
Project Overview
GreenSquareDC SYD1 is a major AI-ready hyperscale data centre campus located within Norwest Business Park in Greater Western Sydney, Australia, representing a significant transformation of an existing enterprise computing site into a next-generation high-density digital infrastructure platform. Originally acquired as an established data centre formerly associated with Kyndryl and IBM, the facility is undergoing extensive revitalization alongside a broader campus expansion designed to increase its long-term capacity to as much as 110 MW of IT power. The redevelopment is focused on meeting the rapidly growing requirements of artificial intelligence, high-performance computing, cloud platforms, and other power-intensive digital workloads that require substantially greater rack densities than traditional enterprise environments. SYD1 is being engineered to accommodate a wide range of thermal management architectures, from conventional air-cooled deployments supporting approximately 14 kW per rack to advanced direct liquid cooling and immersion configurations capable of supporting workloads exceeding 200 kW per rack. This flexibility allows the campus to support different generations of computing hardware while providing a pathway for customers to deploy increasingly dense AI and HPC clusters. The development also places strong emphasis on energy efficiency and environmental performance, with ESG targets incorporated into the campus’s operational and infrastructure strategy. Its location within Norwest Business Park provides access to established telecommunications networks, enterprise customers, transport infrastructure, and the broader Sydney digital ecosystem. By combining the reuse of existing data centre infrastructure with large-scale campus expansion, high-density cooling capabilities, substantial future IT capacity, and sustainability-focused design, GreenSquareDC SYD1 is positioned to become an important AI and HPC infrastructure hub in Australia. The development reflects the broader evolution of data centres toward higher rack densities, advanced liquid cooling, and infrastructure specifically optimized for next-generation accelerated computing.
Quick Facts
| Field | Value |
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| Project Name | GreenSquareDC SYD1 Sydney Expansion: AI-Ready Hyperscale Campus Specs |
| Location | 3 Brookhollow Avenue, Norwest Business Park, Baulkham Hills, NSW 2153, Sydney, Australia |
| Status | Under Construction / Phased Greenfield Expansion & Revitalization |
| Commissioning | Stage 1 Active (Revitalized facility); Greenfield Master-planned expansion rollout |
| Total IT Load | 100MW+ / 110MW Total Critical IT Load Capacity |
| Total Capacity | Multi-building hyperscale campus; Stage 1 whitespace ~2,400 m² (~25,830 sq ft) with substantial greenfield expansion land |
| Tier Level | Tier III / Tier IV Equivalent AI-Ready Concurrently Maintainable Standards |
| Project Type | Brownfield Revitalization & Greenfield Hyperscale, Cloud & High-Density AI Data Centre Campus |
City Profile
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| City Name | Sydney |
| Population | 5.3 million |
| Urban Agglomeration | 5.6 million |
| City GDP | ~AUD 605 billion (approx. USD 400 billion) |
| Per Capita Income | ~AUD 80,000 per year (approx. USD 53,000) |
| City Tier | Tier-1 |
| Key Strengths | Financial and business hub of Australia (headquarters for major banks, corporations) |
Companies Involved
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| Developer / Operator | GreenSquareDC |
| Strategic Infrastructure Partner | Endeavour Energy / Regional Electrical Utility & Global AI Hardware Vendors |
| Construction Contractor | Specialized Mission-Critical General Contractors & Engineering Partners |
| MEP Engineering | GreenSquareDC Design & Mission-Critical Engineering Teams |
| Network Connectivity | Carrier-neutral facility with path-diverse underground fiber duct banks, Meet-Me-Rooms (MMRs), ultra-low latency routes to Sydney CBD, subsea cable landing points, and major cloud exchange points. |
| Power Infrastructure | Direct dedicated 132kV dual-path high-voltage transmission substation feeds, N+1 / 2N UPS architecture, fast-acting static transfer switches, and N+1 back-up diesel generators with low-emissions fuel options and on-site fuel reserve. |
Technical Specifications
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| Power Capacity | 132kV Grid Connection Allocation supporting 100MW+ IT Load |
| UPS Redundancy | N+1 / 2N High-Efficiency Modular Static UPS Architecture |
| Cooling System | AI-optimized hybrid cooling infrastructure offering low-water/zero-water air cooling options, Rear Door Heat Exchangers (RDHx), Direct-to-Chip Liquid Cooling (DLC), and Immersion Cooling readiness capable of supporting rack densities over 200kW. |
| Connectivity | Millisecond fiber links connecting Western Sydney to the Sydney financial district, global subsea networks, and trans-Tasman fiber lines. |
| PUE Target | < 1.23 Annualized Operational Design PUE |
| Energy Mix | 100% Renewable Energy matching targets, zero-carbon options, and rainwater harvesting for minimal environmental footprint. |
Milestones
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| Announcement | April 2025 / September 2025 Approvals |
| Construction Start | Early 2026 Groundbreaking / Expansion Start |
| Phase 1 Go-Live | Operational (Revitalized Stage 1); Phased Expansion Deliveries |
| Full Buildout | Multi-Phase Master-Planned Campus Expansion |
Investment Details
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| Total Investment | ~$600,000,000 – $1,000,000,000+ AUD (Estimated Full Greenfield & Revitalization Capex) |
| Funding | Private Equity / Institutional Infrastructure Capital (Partners Group & GreenSquareDC Investment Partners) |