Publications and resources

In Transmission Tomorrow, we predicted that in the future battery technologies will change the operation and role of the National Grid. Learn how we...

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

This Statement of Corporate Intent (SCI) is submitted by the Board of Directors of Transpower New Zealand Limited, in accordance with Section 14 of the State-Owned Enterprises Act 1986.&nbsp...

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

The Electricity Code of Practice provides minimum approach distances in and around transmission structures and conductors.  These diagrams provide quick guidance and reference on minimum...

This guide provides information on the types of issues that development near National Grid lines can have on the lines and, conversely, the issues National Grid lines can have on development....

This Statement of Corporate Intent (SCI) is submitted by the Board of Directors of Transpower New Zealand Limited, in accordance with Section 14 of the State-Owned Enterprises Act 1986.&nbsp...

This booklet provides rural landowners/occupiers with information about how to work with transmission lines on your land.

This brochure provides guidance to operating large irrigators near existing overhead high voltage transmission lines, and suggests ways to avoid electrical hazards.

This Interim Report outlines the results of the first financial year (2015/16) of the second Regulatory Control Period (RCP2).