NEXTDC S4 Sydney (Horsley Park)
365 MW AI data center in Horsley Park, Australia: under construction.
- Capacity: 365 MW
- Location: Horsley Park, Australia
- Developer: NEXTDC
- Status: under construction
NEXTDC S4 Sydney (Horsley Park) is a 365 MW AI data center project located in Horsley Park, Australia, currently under construction. It is being built by NEXTDC. This project is one of thousands of data-center facilities tracked by Data Center Index across Australia, covering operational, under-construction, announced, and permitted sites.
Project description
NEXTDC's S4 page lists the Horsley Park site as in development with 124,000 m2 of technical space and 365MW of IT capacity. Multiplex started construction in March 2026 with completion due mid-2027 (IT Brief).
Related data center projects
- NEXTDC S7 Sydney (Eastern Creek), 550 MW, Eastern Creek, Australia · announced
- NEXTDC M3 Melbourne (West Footscray), 225 MW, West Footscray, Australia · operational
- NEXTDC M4 Melbourne 'AI Factory', 150 MW, Melbourne, Australia · permitted
- NEXTDC M2 Melbourne (Tullamarine), 120 MW, Tullamarine, Australia · operational
- NEXTDC S3 Sydney (Artarmon), 80 MW, Artarmon, Australia · operational
- Microsoft Australia AI Expansion, 1 GW, Sydney, Melbourne, Canberra, Australia · operational
- CDC Marsden Park Campus (Sydney), 504 MW, Marsden Park, Australia · under construction
- AirTrunk SYD3 Sydney West, 400 MW, Western Sydney, Australia · under construction
Frequently asked questions
- What is NEXTDC S4 Sydney (Horsley Park)?
- NEXTDC S4 Sydney (Horsley Park) is an AI data center project in Horsley Park, Australia tracked by Data Center Index. Its status is under construction.
- Where is NEXTDC S4 Sydney (Horsley Park)?
- NEXTDC S4 Sydney (Horsley Park) is in Horsley Park, Australia.
- How big is NEXTDC S4 Sydney (Horsley Park)?
- Data Center Index tracks NEXTDC S4 Sydney (Horsley Park) at 365 MW. The developer or the press states that capacity, in a source dated November 5, 2026.
- Who is building NEXTDC S4 Sydney (Horsley Park)?
- NEXTDC is developing NEXTDC S4 Sydney (Horsley Park).
- When will NEXTDC S4 Sydney (Horsley Park) come online?
- The next building at NEXTDC S4 Sydney (Horsley Park) is expected online 2027. That date is the first building going live, not the full build-out.
Sources
- S4 Sydney Data Centre (nextdc.com · press · 2026-11-05)
- IT Brief Australia (itbrief.com.au · press · 2026-11-05)