DataSentinelIntelligence for the physical infrastructure of compute

SITE-AU-NSW-LIDDELL-001

REQUIRES VERIFICATIONModerate confidence

Liddell / Muswellbrook — Hunter Energy Hub

Former Liddell Power Station · AGL Hunter Energy Hub · Bayswater / Liddell landholding

Retired ~2 GW thermal plant.

hunter locationCompare

Site zoom

Sentinel-2 and live meteo

Cloudless mosaic on the pad, latest L2A granule, and Open-Meteo dry/wet bulb. Live weather is not a design-day and does not replace a climate study.

Sentinel-2 cloudless 2024 · Liddell / Muswellbrook — Hunter Energy Hub

Approximate pad · not a cadastral survey

Deliverable MW

Announced is not deliverable

Today

High confidence

0 MW

The 500 MW battery is storage. It is not a verified 500 MW supply to a compute tenant.

3 years

Preliminary

50–250 MW

A first load is conceivable if AGL and Transgrid actually offer a connection. Not a forecast.

5 years

Preliminary

100–500 MW

500 MW is a scenario aligned to the battery's scale, not an offtake.

10 years

Preliminary

250–1000 MW

1 GW would require a dedicated generation/firming and transmission story after Bayswater closes (by 2033).

  • This is the flagship 'find the next Liddell' object: retired thermal plant, retained transmission, water, land, industrial buffer.
  • Infrastructure exists. Commercially connectable capacity for a new large load is not published.
  • Bayswater (2,715 MW) still operates until 2033. Shared site services and water are not automatically surplus.
  • The battery (500 MW / 2 h, commercial June 2026) firms the NEM. It does not, on published evidence, feed a campus.

Time to power

Earliest is not likely

Earliest plausible energisation

Preliminary

2029

Assumes AGL actually contracts a tenant and Transgrid can connect a first block without major new lines.

Likely energisation

Preliminary

2032

Likely later because partner process, studies and fibre are not started as a published DC project.

Earliest plausible treats retained transmission as usable. Likely treats studies, partner process and fibre as the real path. Neither is a grid offer.

Why here

  • Retired ~2 GW thermal plant.
  • Retained transmission.
  • 10,000 ha landholding.
  • 500 MW battery now operating.
  • AGL has named data centres as a possible partner class.

What is missing

  • A published connectable MW figure.
  • A DC planning application.
  • Diverse fibre to the pad.
  • A water allocation that does not assume Bayswater surplus.

Workload fit

  • AI training / HPCConditionalThe textbook energy-seeking training site — if and only if MW is actually connectable.
  • Industrial / mining AIConditionalHunter industrial and mine-region adjacency.
  • Cloud / hyperscaleConditionalPossible as a large campus if fibre to Sydney is diverse. Latency is higher than metro.
  • AI inferenceFailsUpper Hunter is the wrong geography for metro inference.
  • Sovereign / defenceUnknownNo special defence adjacency evidenced.
  • Edge / regionalFailsWrong product. This is a bulk-energy site.

Energy

Transmission connections are being retained. That is not a published MW figure a developer can take to a bank.

Grid / NSP
NEM NSW — Transgrid · Transgrid / AGL Macquarie site
Substation / voltage
Liddell 33 kV switching station rearrangement completed as Stage 1 (Jan 2024) for Bayswater and potential third-party industrial users — AGL published. Spare MVA for a DC is not published. · Transmission-connected power station site. Exact kV for a new load not offered.
Generation
Bayswater 2,715 MW coal until 2033. Liddell retired April 2023.
BESS / gas / RE
500 MW / 2 h operational June 2026. Hunter Valley gas turbines associated with the site have been part of demolition scope — confirm residual plant. Hunter Energy Hub vision includes solar, wind, waste-to-energy and hydrogen as exploration, not committed campus supply.

Required for scale

  • 100 MWPreliminary

    A connection offer at the retained Liddell switchyard or an agreed Bayswater/Liddell rearrangement; fibre laterals.

  • 250 MWPreliminary

    System-strength and thermal studies; possible transformer works; confirmed water for cooling that does not starve Bayswater.

  • 500 MWUnverified

    A firming and transmission plan at battery scale; likely dedicated transformers; two fibre routes.

  • 1000 MWUnverified

    New generation and/or major transmission augmentation; post-Bayswater water and landform; not evidenced.

  • 2000 MWUnverified

    Replacement of the historic Liddell export scale with new generation plus load. Speculative.

Fibre

Upper Hunter is not a subsea landing and is not a Sydney metro fibre dense zone. Diverse long-haul to Sydney must be evidenced before a training campus is claimed as network-ready.

  • Sydney: 15 ms · Order-of-magnitude regional estimate, not measured.
  • Newcastle: 8 ms · Regional estimate.
  • Singapore: — ms · Via Sydney.

Thermal / hazards

Upper Hunter — hot summers, industrial water assets.

Lake Liddell and closed-loop liquid are the thermal hypothesis. Evaporative towers exist at Bayswater for generation, not for a campus.

Cyclone: Not a cyclone geography.

Development

landControl
AGL. Controlled.
planning
Demolition consent 31 Jan 2025. Battery approved and built. No DC SSD evidenced.
environmental
Power-station demolition, ash dam, asbestos cells in the published enabling-works scope.
approvalStatus
Hub enabling works underway. Compute not approved.
remediation
In programme through 2027+ landform stages.
contamination
Expect power-station residues. RAP-level detail not extracted here.
tenure
AGL freehold/industrial energy landholding.
construction
Battery complete. Station demolition in progress (stacks felled May 2026).

Risk

  • power

    Retired nameplate is not a connection offer.

  • fibre

    Upper Hunter fibre diversity is the quiet failure mode for a training campus.

  • water

    Lake Liddell still serves Bayswater.

Graph

  • liddell — OWNED_BY → AGL Energy
  • liddell — CONNECTED_TO → Transgrid
  • liddell — NEAR → Bayswater Power Station
  • liddell — CANDIDATE_FOR → AI training / HPC

Evidence

  • VerifiedExisting

    Liddell Power Station shut down in April 2023. Neighbouring Bayswater is 2,715 MW coal, scheduled to close by 2033. Combined landholding is 10,000 hectares.

    AGL Energy · AGL in the Hunter Region · published n/a · accessed 2026-09-18

  • VerifiedExisting

    The Liddell Battery is 500 MW / 2-hour and became commercially available in June 2026. This is storage, not a verified offtake for a data-centre tenant.

    AGL Energy · Liddell Battery · published 2026-09-18 · accessed 2026-09-18

  • Moderate confidenceSpeculative

    AGL has stated that data centres are among potential partners under consideration at the Hunter Energy Hub. No data-centre project is approved or power-contracted on the evidence assembled here.

    pv magazine Australia · AGL begins commissioning first 250 MW of Liddell battery · published 2026-03-20 · accessed 2026-09-18

  • High confidenceExisting

    AGL states critical infrastructure such as transmission connections will be retained as the site becomes the Hunter Energy Hub. Retention of assets is not equivalent to spare commercially connectable capacity.

    AGL Energy · Liddell future land use and enabling works · published 2026-08-04 · accessed 2026-09-18