Publications and resources

Our strategy to support the future growth of our country's largest city.

This 2017 Annual Review (online only) is an integrated report of our activities and their alignment to our strategic priorities. The 2017 Annual Report is a print-friendly PDF file that...

This information sheet details Transpower's measures around biosecurity.

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 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.