Publications and resources
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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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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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Distributed Energy Resources (DER) Report
In our role as system operator, Transpower has commissioned an external report to investigate the potential value of DER in a New Zealand context. This report broadly considers the value of...
- 31 August 2020
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Distributed Energy Resources Report - Overview [ pdf 674.67 KB ]
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Report on 2 March 2017 South Island AUFLS Event
On 2 March 2017, New Zealand experienced a major and complex power system event. The event resulted in the South Island power system splitting into two separate systems.
- 09 July 2018
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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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Ten Year Forecast of Fault Levels
This publication presents an update to the ten year forecast fault levels report. The Connection Code contained in Schedule 8 to the Benchmark Agreement requires Transpower to publish a...
- 30 September 2016
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2016 ten year forecast fault level report.pdf [ pdf 2.16 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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Transmission Pricing 2012
From April 2008, Transpower is required to use the Electricity Authority's Transmission Pricing Methodology (TPM) to allocate Transpower's revenue requirement via connection,...
- 23 November 2011
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Transmission Pricing 2012 [ pdf 61.7 KB ]
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Transmission Pricing 2011
From April 2008, Transpower is required to use the Electricity Authority's Transmission Pricing Methodology (TPM) to allocate Transpower's revenue requirement via connection,...
- 19 November 2010
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Transmission Pricing 2011 [ pdf 28.73 KB ]
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Transmission Pricing 2010
From April 2008, Transpower is required to use the Electricity Authority's Transmission Pricing Methodology (TPM) to allocate Transpower's revenue requirement via connection,...
- 01 April 2010
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Transmission Pricing 2010 [ pdf 16.55 KB ]
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