Publications and resources
Resources search
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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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2019/20 Annual Report and Review
Our 2019/20 Annual Report is a print-friendly PDF file that includes our corporate governance and financial statements,...
- 29 September 2020
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Transpower Annual Report 2019-20.pdf [ pdf 5.16 MB ]
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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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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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2018 Transmission Planning Report
Transpower regularly publishes a Transmission Planning Report (TPR) which details the grid asset capability over the next 15 years. ...
- 04 February 2019
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Transmission Planning Report 2018 - FINAL - 22 Nov 2018.pdf [ pdf 16.9 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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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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Stakeholder Forum presentation- May 2018
As part of our commitment to our stakeholders we regularly hold industry forums to focus on topical issues, to help us identify and set out our priorities.
- 03 May 2018
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Stakeholder Forum 3 May 2018 - presentation.pdf [ pdf 8.06 MB ]
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Stakeholder Forum presentation- December 2017
As part of our commitment to our stakeholders we regularly hold industry forums to focus on topical issues, to help us identify and set out our priorities. Presentations and other materials...
- 12 December 2017
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Stakeholder Forum 17 December 2017 - presentation.pdf [ pdf 4.8 MB ]
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