Firmus · Melbourne, Victoria, Australia

Southgate Melbourne

57MW

The power of 46,000 US homes.

Drawing power since Aug 2026.

Capital cost
$1.6B
Chips
B300
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Power over time

facility power · 4 milestones
Every milestone
  1. 26 Dec 2022 — Building 1 site is cleared/vacant land; no construction visible yet (based on Google Earth historical imagery).
  2. 28 Oct 2025 — Satellite imagery shows 30 fully installed air-cooled chillers (20 fans each) on the roof, with room for many more. In the same month, Firmus reported that Project Southgate's "first stages are under construction in Tasmania and Melbourne". So we don't think the Southgate part of the building is operational yet.
  3. 11 May 2026 — Building 1's cooling capacity increased to 53 air-cooled chillers (20 fans each), up from 30 in Oct 2025. This is more than enough for the announced 18,400 GB300 GPUs, but construction does not quite look complete, so we expect another 3 months until it's operational.
  4. 9 Aug 2026 57 MW Building 1 is operational (estimate). No additional chip deployment beyond the 18,400 GB300 GPUs has been publicly confirmed, so we continue to report the disclosed capacity allocated to Project Southgate, rather than speculate on further buildout.

Coal made 48% of the power in Australia

share of generation · Oct 2025 to Sep 2026

Australia World

  1. Gas 6%
  2. Coal 48%
  3. Other fossil <1%
  4. Nuclear 0%
  5. Wind 16%
  6. Solar 23%
  7. Hydro 6%
  8. Bio & other <1%

Fossil 54% (−4 pts on a year earlier) · nuclear 0% · renewables 46% · 516 g CO2e per kWh, life cycle · Oct 2025 to Sep 2026. Generation for all of Australia, without imports; the data does not show which grid feeds the site. Every country behind an AI site.

Sources

selected by Epoch AI
  1. Firmus Expands Project Southgate Across Australia
  2. Firmus Signs Multi-Year Agreement with Global Hyperscale Customer at Project Southgate
  3. CDC Melbourne

Data: Epoch AI, “AI data centers”, CC BY 4.0, retrieved 22 Oct 2026. Facility power adds cooling and other overhead to the IT power the servers draw. Placed at the centre of Melbourne. Grid: Ember, “Monthly Electricity Data and Yearly Electricity Data”, CC BY 4.0, retrieved 11 Oct 2026; shares computed here. All sources.