Publications and resources
Resources search
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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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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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Stay safe around transmission lines
A guide to help keep safe when working around transmission lines. Contact your landowner liaison officer if you wish to obtain copies of safety stickers for your mobile plant or signage...
- 16 December 2015
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Safety around transmission lines - keep your distance [ pdf 446.03 KB ]
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Recreation Information Sheet
This information sheet details keeping safe during recreational activities near transmission lines.
- 05 August 2014
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Recreation Information Sheet [ pdf 2.61 MB ]
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AUFLS activation 12 November 2013
Transpower's report to the industry on the 12 November Auto Under Frequency Load Shedding Activation (AUFLS).
- 23 December 2013
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AUFLS Activation 12 Nov 2013 Grid Owner Report [ pdf 498.31 KB ]
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Horticulture work around transmission lines
A factsheet on the hazards of trees and vegetation around transmission lines with reference to the horticulture industry
- 04 November 2013
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Horticulture work around transmission lines [ pdf 485.09 KB ]
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Hazards From Trees Notice
General information notice in relation to the Electricity (Hazards from Trees) Regulations 2003.
- 28 June 2013
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Hazard from Trees Notice [ pdf 39.61 KB ]
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Underground cable safety guidelines
This brochure is a guide to safe working practices when working near our underground electricity and associated communication networks.
- 20 May 2013
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Underground cable safety guidelines [ pdf 1.06 MB ]
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Annual Planning Report 2013
Each year Transpower publishes an Annual Planning Report which details the status of all projects that Transpower considers possible over the next 15 years.
- 04 April 2013
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Annual Planning Report 2013.pdf [ pdf 12.69 MB ]
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Tower Foundation Replacement
Tower foundation replacement involves replacing the steel at and below the level of the ground, to ensure they continue to maintain the structural integrity of the tower.
- 21 March 2013
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Tower Foundation Replacement [ pdf 407.02 KB ]
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