NEXTDC S4 Horsley Park
NEXTDC · Sydney West
- Planned IT
- 350 MW
- Free to lease
- 350 MW
- $ / kW·mo
- $122
- White space
- 729k ft²
Inventory
0% occupiedPower
350 MWlive
350 MW to lease · 0 MW in use
White space
729k ft²total
729k ft² free · — occupied
68k m² · 68k m² free
Free power is unsold critical IT at this building, not utility headroom. Space is computer-room white space.
Power
Power cost
$122/kW·mo
14.2¢ industrial · 16.8¢ after PUE 1.18
- Per MW·year
- $1.5M
- This site · 350 MW
- $514M/yr
- 50 kW rack
- $6,116/mo
4.4× the cheapest market (Iceland Landsvirkjun). Same IT load there is $398M/yr less.
NSW NEM · utility tariff × PUE, not colo list price.
- Redundancy
- N+1
- Opened
- 2028
- Renewable match
- 80%
- Rack density
- 50 kW
- PUE
- 1.181.00 ideal · 1.60 typical
- Power source
- Endeavour Energy. Part of NEXTDC A$2.2bn capital plan.
Cooling
Plant
Hybrid
Liquid
Deployed
Rack density
50 kW
H100-eq
—
WUE
2.40 L/kWh
fleet avg · 2026 · 7.4M m³/yr at 350 MW
Operator fleet average applied to this hall — not a site meter. NEXTDC FY26 sustainability report.
350 MW AI-ready campus.
Network carriers
6On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.
Clouds
4Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.
Location
Horsley Park, New South Wales, Australia
Horsley Park, NSW
-33.840°, 150.850° · Oceania
Tenants / users
Hyperscale, AI
Notes
S4 Horsley Park — 350 MW planned, underwriting NEXTDC's Sydney west buildout.
Compiled from public filings, operator pages, and reporting. Not an official operator specification.