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 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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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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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 334.78 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 629.67 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 654 KB ]
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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 464.99 KB ]
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