Publications and resources

Our 2020/21 Integrated Annual Report provides a comprehensive analysis and commentary on Transpower’s strategy, governance and range of environmental, social and...

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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.

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

Transmission Tomorrow - Our Strategy 2018 sets out our vision of New Zealand's electricity industry over the next 5 - 40 years.

The Sun Rises on a Solar Energy Future is an addendum to Te Mauri Hiko and sits alongside our more technical papers on battery storage.

Auckland is changing. Rapidly. Roads, housing, technology, industry and electricity. ...