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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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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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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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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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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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Value of Lost Load (VoLL) study
We have undertaken an investigation of the Value of Lost Load (VoLL) to inform our expenditure decisions and regulatory applications. ...
- 21 November 2018
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Value of Lost Load (VoLL) Study - June 2018.pdf [ pdf 2.23 MB ]
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Distributed BESS in New Zealand – Power System Operational Implications – Technical Report
Advances in battery technology are expected to play an important role in enabling our energy future. Distributed Battery Energy Storage Systems (BESS) in New Zealand examines the operational...
- 02 July 2019
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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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