Publications and resources
Resources search
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Best practice forest management – trees and transmission lines
A best practice guide on the management of trees around transmission lines.
- 19 January 2021
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Best practice forest management.pdf [ pdf 590.72 KB ]
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Public Helicopter Use around Transmission Lines
Flying near power lines is dangerous as the conductors (wires) can be difficult to see.
- 14 December 2020
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Helicopter user near transmission lines [ pdf 513.59 KB ]
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Earth Potential Rise (EPR) Mitigation Information Sheet
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...
- 05 May 2020
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Earth Potential Rise Info Sheet.pdf [ pdf 1.46 MB ]
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Mycoplasma bovis Information sheet
This information sheet provides important information on Mycoplasma bovis and best practice measures in its containment.
- 09 April 2018
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Mycoplasma Bovis Information Sheet [ pdf 577.9 KB ]
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Powering Auckland's Future
Our strategy to support the future growth of our country's largest city.
- 21 November 2017
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Auckland Strategy Foundation document.pdf [ pdf 10.33 MB ]
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Biosecurity Information Sheet
This information sheet details Transpower's measures around biosecurity.
- 28 September 2017
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Biosecurity Information Sheet [ pdf 636.53 KB ]
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Plantation forestry near transmission lines
This factsheet provides information on the issues surrounding the growing and harvesting of forestry near transmission lines.
- 29 August 2017
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Plantation Forestry Information Sheet [ pdf 693.27 KB ]
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Minimum Approach Distance Guidelines
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...
- 22 March 2017
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Minimum Approach Distances for 220 kV Towers [ pdf 220.62 KB ]
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The Development Guide
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....
- 14 July 2016
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The Development Guide - Full [ pdf 13.74 MB ]
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Working on Your Land
This booklet provides rural landowners/occupiers with information about how to work with transmission lines on your land.
- 01 July 2016
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Working on Your Land [ pdf 6.68 MB ]