Microsoft will invest $25 billion in Australian data centre, cybersecurity and AI skills infrastructure by 2029, in what the company is calling its largest-ever commitment to the country, as US tech giants race to lock in compute capacity across the Indo-Pacific region.
Announced on Thursday in Sydney by Microsoft chief executive Satya Nadella alongside Prime Minister Anthony Albanese, the investment aims to strengthen national cyber defences, boost economic productivity, and deliver workforce-ready AI skills to three million Australians by 2028.
Business Council Australia chief executive Bran Black called the commitment a “global game-changer,” noting the scale of the investment will support long-term economic growth and productivity. The $25 billion capital and operational expenditure builds on a previous $5 billion injection in October 2023, which expanded Microsoft’s local data centre footprint to 29 sites across three Azure public cloud regions.
“Australia has an enormous opportunity to translate AI into real economic growth and societal benefit,” Nadella said. Albanese said the investment would “strengthen our cyber defences and create opportunity for Australian workers and businesses”.
The announcement was noticeably light on physical details, however, most notably where these new data centres will be located and how they will actually be powered.
Data centres are massive, energy-intensive facilities, and the rapid deployment of advanced AI processors requires substantially more electricity and cooling than traditional cloud computing. The government anticipates data centres will consume around 6 per cent of grid-supplied electricity by 2030, up from roughly 2 per cent today.
The announcement also lands amid mounting questions about how much of the foreign capital flowing into Australia’s data centre boom actually stays in the local economy, and how many Australian jobs these hyperscale facilities truly support once construction crews pack up.
As this masthead previously reported, industry analysis shows that for every $100 a multinational tech giant invests in an Australian facility, up to $80 leaves the country almost immediately. Because Australia manufactures no chips, servers, or networking racks, the vast majority of capital flows straight to semiconductor giants in Taiwan, hardware manufacturers in the US, and cooling equipment suppliers in Europe. The physical footprint of these AI mega-factories also poses a significant burden on local resources.
The entire Australian data centre sector directly employs just 11,500 people. For the massive capital poured into these sites – roughly $3.1 million per permanent operational job – the roles created locally are predominantly in facilities management, such as security, HVAC maintenance, and electrical work, rather than high-end software engineering.
Microsoft’s announcement does not specify how many permanent Australian jobs the $25 billion investment will create, how much of the capital expenditure will flow to local contractors and suppliers versus offshore hardware vendors, or how Microsoft’s Australian tax contribution will scale with the expanded footprint.
Microsoft Australia reported a 4.5 per cent profit margin on $5 billion in local revenue in its most recent disclosed filings, well below the company’s global margin of more than 40 per cent, following related-party transactions with offshore entities.
Former industry minister Ed Husic said that as communities across America start to actively oppose the rush to build data centres, Big Tech is scrambling to find new places to build these facilities.
“Australia’s become their big target for this, but Australians are starting to also question the data centre frenzy and governments here haven’t picked up on that,” he told this masthead.
“Flashy, ‘easy money’ announcements by US tech are not the way to build Australian AI capability. We have to invest in growing our own local AI strengths, not coast off the back of a multinational’s media release.”
The growing friction and community unrest has prompted the NSW Legislative Council to launch a first-of-its-kind parliamentary inquiry – due to report in September 2026 – scrutinising the sector’s land use, water demands, energy drain, and genuine economic benefits.
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David Swan is the technology editor for The Age and The Sydney Morning Herald. He was previously technology editor for The Australian newspaper.Connect via X or email.
