A data centre must do more than find enough power.

Buying electricity is not the whole job of joining a power system. A large computing load also has to behave predictably when the surrounding grid is disturbed. Australia's Energy Market Commission has finalized technical rules for large inverter-based loads, including relevant data-centre connections. The final determination brings loads of 30 megawatts or more within the full Schedule 5.3 requirements across transmission and distribution connections, rather than leaving the draft's intermediate size band to discretion. The framework addresses matters such as disturbance response and monitoring. That is not a blanket instruction to retrofit every existing facility overnight. Transitional provisions protect specified advanced connection processes, including a transition window to May 12, 2027; connections already offered or agreed have separate treatment. The final document, not a simplified headline, determines applicability. For households and businesses sharing the network, this is a welcome change in the question being asked. The debate is not only how fast a project can secure capacity. It is what obligations accompany using that capacity. A facility's private backup arrangements do not by themselves settle its interaction with a shared system. There are limits to what this rule accomplishes. Technical compatibility is not the same as affordable electricity, clean generation, or a fair allocation of network costs. Those issues require their own decisions and evidence. Nor does a published rule establish that every future connection will comply successfully. The practical next test is implementation: connection agreements, performance evidence and enforcement when behavior falls short. Sensible standards can make expansion more dependable without treating every proposed data centre as either a public benefit or a public nuisance in advance.