Publications and resources
Resources search
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Factsheet 1: electric and magnetic fields and Transpower
Electricity transmission, as well as many electrical appliances, produces electric and magnetic fields (EMF) of extremely low frequency.
- 17 July 2017
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EMF Factsheet 1 - Electric and Magnetic Fields and Transpower [ pdf 628.64 KB ]
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Factsheet 2: the nature of electric and magnetic fields
This factsheet describes the nature of electric and magnetic fields particularly as they relate to electricity transmission.
- 17 July 2017
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EMF Factsheet 2: The nature of electric and magnetic fields [ pdf 722.7 KB ]
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Factsheet 3: electric and magnetic field strengths
This fact sheet provides information on typical electric and magnetic field levels found in the environment including around transmission facilities.
- 17 July 2017
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EMF Factsheet 3: Electric and magnetic field strengths [ pdf 1.19 MB ]
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Factsheet 4: health effects and electric and magnetic fields
This fact sheet discusses the health effects of electric and magnetic fields.
- 17 July 2017
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EMF Factsheet 4: Health effects and electric and magnetic fields [ pdf 634.26 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 682.56 KB ]
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Market impact assessment from changes to HVDC cost allocation
The methodology to allocate the HVDC costs to South Island (SI) generators was changed in 2015.
- 12 June 2017
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Scientia_Market_Impact_HAMI_SIMI.pdf [ pdf 1.49 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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Asset Management Plan 2016
A supporting document to our 2016 Integrated Transmission Plan, the Asset Management Plan explains how we undertake asset management.
- 01 September 2016
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Asset Management Plan 2016.pdf [ pdf 1.67 MB ]
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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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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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