Publications and resources

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Work we’re doing now to futureproof Auckland’s electricity grid.

A best practice guide on the management of trees around transmission lines.

Flying near power lines is dangerous as the conductors (wires) can be difficult to see.

Our 2019/20 Annual Report is a print-friendly PDF file that includes our corporate governance and financial statements,...

In the rare event of a lightning strike or fault on the transmission line, towers or poles may transfer high voltage and dangerous currents into the ground for a very short instant. This is...

Transpower is playing a key role is determining how best to protect vulnerable power grids from devastating geomagnetic storms caused by extreme solar activity.

The performance of our HVDC link directly affects our Grid and wholesale electricity market. Anything we do to improve the efficiency and robustness of this link provides value to all...

Transpower regularly publishes a Transmission Planning Report (TPR) which details the grid asset capability over the next 15 years. ...

Over the last year, our Enterprise Services Support (ESS) team has used Kanban to significantly reduce incident turnaround times.