Publications and resources

Transpower is committed to complying with the Privacy Act 2020 for all personal information.

This guide is to help you plan your work around Transpower transmission lines.

To protect tower foundations from corrosion we may employ cathodic protection as an alternative to encasing foundations in concrete.  This work overview explains how this is undertaken...

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...

This information sheet provides important information on Mycoplasma bovis and best practice measures in its containment.

This information sheet details Transpower's measures around biosecurity.

This factsheet provides information on the issues surrounding the growing and harvesting of forestry near transmission lines.

The methodology to allocate the HVDC costs to South Island (SI) generators was changed in 2015.