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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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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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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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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