Last updated: 12 Dec 2023
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Last updated: 12 Dec 2023
Developing, prioritising and updating NZGP scenarios
In 2020-21, we consulted with industry to consider whether variations to MBIE's 2019 EDGS were needed for our NZGP thinking. We later developed, prioritised and updated scenarios with industry support
Last updated: 23 Nov 2022
NZGP Phase Two: 2035-50
Phase Two: The likely need for greater capacity of the grid backbone as well as meeting the needs of high growth regional networks with new interconnections beyond 2035.
Last updated: 01 Jul 2024
NZGP Phase One
Phase One: Enhancing the existing grid backbone between now and 2035
Last updated: 28 Feb 2024
Net Zero Grid Pathways
Net Zero Grid Pathways is a multi-year programme of work to deliver the transmission system New Zealand will need to electrify our economy and meet decarbonisation targets in the future.
Last updated: 14 Nov 2022
Sports sponsorship request form
Last updated: 01 Dec 2025
System and market insights
Topical information published for market participants and other stakeholders.
Last updated: 12 Dec 2023
Maps and GIS Data
Last updated: 10 Dec 2025
Industry updates
Each month we release an e-newsletter with the latest information from Transpower.
04 Nov 2022
News from Transpower — November 2022