Publications and resources

On 11 December Transpower’s HVDC equipment suffered a bi-pole trip while transferring 90 MW to the North Island. The cause was unexpected and, while an explanation was&nbsp...

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

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

The 2015 Asset Management Plan explains how we undertake asset management and describes our plans for 16 different asset classes.

The Electricity Industry Participation Code (the Code) requires Transpower to publish the Grid Reliability Report (GRR), Grid Economic Investment Report (GEIR) and the ten year forecast fault...

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

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 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....

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 fact sheet provides the international and national consensus on safety guidelines for electric and magnetic field exposures.