Our Network

Our Infrastructure

Learn more about the critical infrastructure including substations, transmission lines and supporting systems that work together to deliver a safe, reliable electricity supply across Queensland's transmission network.

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Energy explainers

Transmission networks rely on a range of technical factors to operate safely and reliably, so we've broken down some common complex electrical concepts into simple energy explainers. From system strength to inertia, learn why they matter for maintaining a secure power system in Queensland.

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Next Generation Network Operations

The Next Generation Network Operations (NGNO) Project is evolving the way we operate our network, improving Queensland's transmission network performance to better adapt to changes in the energy environment.

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National Electricity Market

The National Electricity Market (NEM) is one of the world's longest interconnected power systems and connects five regional market jurisdictions for the wholesale supply and purchase of electricity in Queensland, New South Wales (including ACT), South Australia, Victoria and Tasmania.

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Transmission Ratings

Our transmission ratings derive from a jointly developed approach with other Transmission Network Service Providers (TNSPs) in the National Electricity Market (NEM), ensuring we all use the same equations to calculate the thermal rating of transmission lines.

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