Publications and resources
Resources search
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HVDC bi-pole trip and change to under frequency reserve risk: technical commentary
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 ...
- 01 March 2016
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3190 HVDC Bipole Trip 11 Dec 2015 Technical Commentary.pdf [ pdf 541.39 KB ]
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2015 / 16 Interim Report
This Interim Report outlines the results of the first financial year (2015/16) of the second Regulatory Control Period (RCP2).
- 23 March 2016
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Interim report FINAL.pdf [ pdf 773.58 KB ]
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Irrigators and Transmission Lines
This brochure provides guidance to operating large irrigators near existing overhead high voltage transmission lines, and suggests ways to avoid electrical hazards.
- 01 April 2016
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Irrigators and Transmission Lines.pdf [ pdf 211.97 KB ]
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2015 Asset Management Plan
The 2015 Asset Management Plan explains how we undertake asset management and describes our plans for 16 different asset classes.
- 14 April 2016
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2015 Transpower Asset Management Plan [ pdf 2.42 MB ]
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Grid Reliability, Economic Investment and Fault Level Report
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...
- 01 May 2016
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2016 GRR GEIR April update.pdf [ pdf 1 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 ]
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Statement of Corporate Intent 2016/17
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. ...
- 11 July 2016
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Transpower Statement of Corporate Intent 2016/17 [ pdf 603.48 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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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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Factsheet 5: safety guidelines for electric and magnetic fields
This fact sheet provides the international and national consensus on safety guidelines for electric and magnetic field exposures.
- 17 July 2017
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EMF Factsheet 5: Safety guidelines for electric and magnetic fields [ pdf 637.37 KB ]
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