Publications and resources

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

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

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 publication presents an update to the ten year forecast fault levels report. The Connection Code contained in Schedule 8 to the Benchmark Agreement requires Transpower to publish a...

A supporting document to our 2016 Integrated Transmission Plan, the Asset Management Plan explains how we undertake asset management.

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.

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...