Publications and resources
Resources search
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Asset Management Plan 2021
A supporting document to our Integrated Transmission Plan, the Asset Management Plan explains how we undertake asset management.
- 15 December 2021
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2021 Asset Management Plan [ pdf 8.53 MB ]
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Transmission Planning Report 2021
Transpower regularly publishes a Transmission Planning Report (TPR) which details the grid asset capability over the next 15 years. ...
- 01 October 2021
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Transmission Planning Report 2021.pdf [ pdf 7.91 MB ]
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Managing Electrical Hazards
...
- 28 September 2021
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Info Sheet Civil EHMP.pdf [ pdf 384.4 KB ]
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Grid Outputs Report 2020
Each year, Transpower publishes a Grid Outputs Report which provides our customers and stakeholders with a summary of the performance of our regulated transmission business over the past...
- 10 May 2021
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Grid Outputs Report 2020 [ pdf 1.27 MB ]
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A design guide for kiwifruit orchards
This guide is to help you plan your work around Transpower transmission lines.
- 22 April 2021
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Kiwifruit growers guide (digital) [ pdf 3.11 MB ]
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Transmission Tower Cathodic Protection
To protect tower foundations from corrosion we may employ cathodic protection as an alternative to encasing foundations in concrete. This work overview explains how this is undertaken...
- 15 February 2021
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Cathodic Protection Info Sheet.pdf [ pdf 380.26 KB ]
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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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Transmission Planning Report 2020
Transpower regularly publishes a Transmission Planning Report (TPR) which details the grid asset capability over the next 15 years. ...
- 02 October 2020
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Transmission Planning Report 2020 [ pdf 9.78 MB ]
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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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