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NEXTDC S7 Sydney

Eastern Creek / Blacktown, New South Wales, AustraliaPreconstruction
Capacity
550 MW
Planned / design
Lead participant
NEXTDC Limited
Developer
Last updated
Aug 25, 2026
Most recent public record update

About NEXTDC S7 Sydney

Single Eastern Creek campus in State Significant Development review; distinct from S4 and not yet approved or operating. NEXTDC S7 Sydney is in Eastern Creek / Blacktown, NSW, AU and is a data center campus with preconstruction status. Participants include NEXTDC Limited as developer, OpenAI as prospective customer, Transgrid as grid operator, Sydney Water as utility. Published specifications include 612 MW planned capacity. Development comprises Site acquisition and settlement (completed), SSD planning and EIS (preconstruction), Initial delivery phase (planned). Key milestones include Recycled-water concept dropped for waterless heat rejection. (2026-07-22) and First phase targeted for H2 2027 subject to approvals. (2027-12-31). onsite substation — 612 MW planning design: Planning concept; final grid-connection arrangements remain unresolved. standby diesel generation — 340 generator units: Backup fleet count from planning register; electrical rating not yet encoded. Permitting includes state significant development for SSD-113934740 (prepare eis) and environmental agency advice for Environmental protection licensing pathway (pre application). Capital records include land acquisition consideration of 353000000 AUD for Approximate purchase price before taxes and transaction costs, with progressive parcel settlement across FY25. This is an acquisition transaction, not construction financing or total project cost. | Canonical amount normalized from AUD 353 million to 353,000,000 AUD; original unit wording retained in the audit manifest.

Projects sharing a market, utility, or organization.

1 related
Site · Shared context

CDC Marsden Park Campus

Under construction · Marsden Park, Sydney, New South Wales, Australia

Shared participant: Blacktown City CouncilShared participant: NSW Department of Planning, Housing and InfrastructureSame market: New South Wales, Australia

Capacity

Planned / design
Operating capacityAn operating IT-capacity figure has not been publicly disclosed.
Future Potential550 MWFact · NEXTDC S7 Sydney

Development

3 phases · 6 milestones
Site acquisition and settlementAnnounced Or Preconstruction

Land transaction, not data center construction.

SSD planning and EISAnnounced Or Preconstruction

Three two-storey data-storage buildings in current planning register.

3 buildings

Initial delivery phasePlanned

No phase MW or binding customer commitment disclosed.

Oct 17, 2024
NEXTDC agrees to purchase S7 site
Completed
Dec 5, 2025
NEXTDC and OpenAI announce MoU
Completed
Apr 9, 2026
S7 predevelopment application filed
Completed
Jun 1, 2026
Project enters Prepare EIS stage
Completed
Jul 22, 2026
Recycled-water concept dropped for waterless heat rejection
Completed
Dec 31, 2027
First phase targeted for H2 2027 subject to approvals
Forecast

Infrastructure

Electric GridPlanned Or Represented

612 MW planning design

Planning concept; final grid-connection arrangements remain unresolved.

Onsite GenerationPlanned Or Represented

340 generator units

Backup fleet count from planning register; electrical rating not yet encoded.

Cooling SystemPlanned Or Represented

Closed-loop chip cooling with fan heat rejection after recycled-water pipeline was abandoned.

Project map

1 of 1 project point mapped
Infrastructure facts
3
Mapped records
1
Capacity figures
2
Power & interconnection: 1Generation & storage: 1Cooling & water: 1

Facts & sources

Published claims and their source links.

13 facts
Site Purchase Price
353 AUD millions
Fact
Developable Site Area Announcement
258,000 square metres
Fact
Site Area Planning
255,157 square metres
Fact
Marketed It Capacity
550 MW+
Fact
Planning Building Count
3
Fact
Backup Generator Count
340 generators
Fact
Estimated Development Cost
7,154.56 AUD millions
Fact
Construction Jobs
2,000 jobs
Fact
Operational Jobs
425 jobs
Fact
First Phase Target
H2 2027
Fact
Cooling Design Initial
Closed loop high density liquid cooling without ongoing potable water
Fact
Cooling Design Current
Closed loop chip liquid cooling with waterless fan heat rejection
Fact
Ssd Status
Prepare EIS
Fact