Anthropic is six weeks from a final investment decision on 1.4GW of Australian data centre capacity, with a $15bn construction price tag that would make it one of the largest AI infrastructure commitments globally.
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Anthropic is roughly six weeks from a final investment decision on a massive Australian data centre build-out, the Australian Financial Review reported, citing a confidential tender from the AI company.
The project would add 1.4 gigawatts of capacity at a construction cost of as much as $US15 billion ($21.6 billion). That is a scale that would make it one of the largest single data centre commitments globally, and a significant bet on Australia as a compute hub for frontier AI models.
The tender, circulated privately, signals Anthropic is moving beyond the cloud-rental model that dominates early-stage AI infrastructure. Building dedicated capacity gives the company direct control over chip deployment, cooling systems, and power supply – all of which become binding constraints at the scale required for training and running large language models.
Australia has been courting hyperscale data centre investment, offering streamlined approvals and access to renewable energy zones. The country's grid, however, faces its own capacity questions. A 1.4GW load would represent roughly 3% of the National Electricity Market's current peak demand, concentrated in a single facility or campus. That will require either dedicated transmission infrastructure or co-location with large-scale solar and wind farms.
Anthropic has not publicly confirmed the project's location or timeline. The six-week FID window suggests site selection, power purchase agreements, and construction partners are largely locked in. A positive decision would trigger a multi-year build phase, with the first tranche of capacity likely coming online in 2027 or 2028.
The $15 billion price tag is a construction estimate, not the total cost of ownership. Once built, the facility will need ongoing power, cooling, and hardware refresh cycles that could double or triple the lifetime investment. For context, that is roughly the same order of magnitude as the total capital expenditure Microsoft has committed across its entire global AI infrastructure build-out in a single year.
For the Australian market, the project would be a direct test of whether the country can deliver industrial-scale compute infrastructure on the timeline AI companies demand. Delays in grid connection, equipment supply, or regulatory sign-off would ripple through the broader data centre pipeline.
Anthropic declined to comment on the tender or the FID timeline.
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